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Static pressure Moulding Line

Static pressure Moulding Line

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Product Detail

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Product Detail:

Static pressure moulding technical refers to airflow with hydraulic multi-piston squeeze compaction technology, according to the difficulty of compaction, can choose only hydraulic multi-piston squeeze compaction or airflow and hydraulic multi-piston squeeze compaction. Static Pressure has following advantages.

● High ability for compaction sand, rigid and dense mould, suitable to manufacture of complex castings.

● Dimensional stability and better surface roughness ,high efficiency of moulding

● Mould plate with high rate of utilization. Good working condition and labour saving

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General Process

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Layout Example

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1   Process  of molding machine

A. Empty Flask is indexed into the molding machine molding station

B. Pattern bolsters rotate or shuttle

C. The lifting cylinder rises, and the formwork, sand box and pre-sand frame rise

D. Quantitative sand adding

E. Move the sand bucket out while moving the multi-contacts in and clean the upper surface of the pre-sand frame

F. The lifting cylinder goes up again to top tight

G. Air pre-compacting and compaction

H. The lifting cylinder falls down while drafting

Components of molding machine

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2  Turnover machine

Turnover machine in molding section

Turn the flask by 180 degrees to make mould joint facing up

Turnover machine in core setting section

Turn the flask by 180 degrees before flask closing

Machine

Consisting of

Adjustable roller blocks with heavy, hardened rollers running in ball bearing

3  Downgate Drilling Device

Used for milling the gate or riser at the specified point in the cope

Consisting of

Hydraulic motor or motor for rotating

Servo motor reducer and servo controller drive, gear and rack drive for X/Y direction

straight line guide mechanism 

Replaceable high hardness metal tool

Cutting tool holder

hydraulic lift cylinder

Valve system and electrical control system

 

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4  Venthole drilling device

Used for drilling holes in sand mould after compaction

Consisting of

Hydraulic motor or motor for rotating

Servo motor reducer and servo controller drive, gear and rack drive for X/Y direction

straight line guide mechanism 

Replaceable high hardness metal tool

Cutting tool holder

hydraulic lift cylinder

Valve system and electrical control system

5  Flask Separating Device

Transfer the flask onto the pallet to close the flask

Consisting of

Guiding device

lifting device

Positioning device for the flask

Flask clamp closing device

Valve system and electrical control system

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6 Pouring machine

Suitable for production of gray iron and ductile iron castings in molding production line (including box and non-box lines)

●Ladle changing: crane or forklift

●Casting capacity:1000kg-2500kg

●Pouring rate:15-22kg/sec

Consisting of

Fan-shaped casting bag,Servo tilting mechanism

Longitudinal and horizontal movement of vehicle and track system

Controlling and operating system

safe system,cable unit,incubation system

7 Transfer car & rail system

Used for transportation of sand mold and pallet  in molding section and cooling section

Consisting of

Gear and rack running device driven by motor reducer with holding brake

22kg/m light rail.Transition car with 4 walking wheels, guide wheels and quenched square steel

Limit device for transfer car.Hydraulic indexing and cushioning device controlled by proportional valve

drag chain.Valve system and electrical control system

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8  Punch-out machine

To punch-out the mould from the flask, operating from the top, designed as stripping device

Consisting of

Lifting device

Travel driving unit

Flask lifting and punch-out  cylinder

Conveying mechanism with hardened roller

Supporting framework

Valve system and electrical control system

9  Flask separating machine

 for lifting the empty flasks off the transfer car, separating cope and drag,  placing cope and drag on the roller conveyor and further transport through the moulding line

Consisting of

●Lifting device

●Guiding device

●Locating device for flask

●Unclamp device

●Valve system and electrical control system

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10  Pallet cleaning device

For cleaning the top surfaces of the pallets from residual moulding sand

Consisting of

●Framework

●Adjustable blade

●Guide slide for heavy roller table with ball bearing

●Weeping brush with adjustable front scraper and capable of swinging up and down

11  Inner wall cleaning device

 Scrape off the residual sand on the inner wall of the sand box to prevent the sand from falling during molding.

Consisting of

Framework.ROSTA torsional spring from Switzerland.Adjustable scraper.Guiding device

Lifting device.Valve system and electrical control system

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12  Roller conveyorindexing rod cushioning rod

To convey flask one by one box on the raceway, one sand box pitch at a time;
To make a sandbox stop slowly for construction
Sand buffering of roll table

Consisting of

●Hydraulic power supply system of oil cylinder with pressure

●Supporting  and guiding roller

13  positioning mechanism

fixing the pallet at the end of the cast conveyor line

Consisting of

●Relocatable base plate

●Hydraulic rotary plate

●Valve system

●electrical control system

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14   Hydraulic system

Provide the main power for the running of molding line

Consisting of

●hydraulic   station

●Valve and valve block

●oil tank 

●Oil temperature control system

●Hydraulic oil heater

●Complete set of valve control panel

15  Electronic control system

For the automatic operation of molding line, and for the repair and maintenance of interlocking manual operation and non-interlocking installation operation

●Siemens PLC

●Human-computer interface c

●Scale plate

●Low-voltage electrical components

●PLC control system

●Remote control system

Customer Picture

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