Vertical injection mold
ing machine believe to have a certain degree of understanding of injection molding machine, injection molding machine of species also have several kinds, each type of injection molding machine performance is also different, so the working principle of the injection molding?
A, vertical injection molding machine according to the way of plasticizing divided into plunger type injection molding machine and screw injection molding machine, press machine transmission mode and can be divided into hydraulic, mechanical and hydraulic & ndash;
Type, according to the operation mode is divided into automatic, semi-automatic, manual injection molding machine.
1, horizontal injection molding machine: this is the most common type.
The clamping part and injection part center online at the same level, and the mould is opened along the horizontal direction.
Its characteristic is: the fuselage short, easy to operation and maintenance;
Low center of gravity, installation is relatively stable;
Products out after use gravity fall automatically, easy to realize automatic operation.
At present, the field of injection molding machine with this model.
2, vertical injection molding machine, vertical injection molding machine clamping part and injection parts in the same vertical center line, and the mould is opened along the vertical direction.
As a result, it covers an area of small, easy to put insert, it's convenient to make loading and unloading of the mould, the materials from the hopper into the plasticizing more evenly.
But not easy to automatically after products out, must be removed by hand, not easy to realize automatic operation.
Vertical injection made for small injection molding machine, general is in 60 tons (
60 tons is refer to clamping force)
Use more of the following injection molding machine, large and medium-sized machine should not be used.
3, Angle of injection molding, direction and its injection mold interface in the same plane, it is especially suitable for machining center parts are not allowed to leave the gate marks the plane of the products.
It covers an area smaller than horizontal injection molding machine, but fell into the mould insert is easy to tilt.
This type of injection made for small machine.
4, multimode disc injection molding machine: it is a kind of more special injection molding machine location operation, its characteristic is clamping device used the rotating disc structure, mould around the axis of rotation.
This type of injection molding machine give full play to the plasticizing capacity of injection device, can shorten the production cycle, improve the machine's production capacity, and therefore particularly suitable for cooling to finalize the design or due to put long insert and need more auxiliary time of production of large quantities of products.
But because of the large, complex mold clamping system, mould clamping force of clamping device is often small, so this kind of injection molding machine in plastic soles, etc. Products widely applied in production.
Second, vertical injection molding machine generally include injection device, clamping device, hydraulic system and electric control system and other parts.
Three, vertical injection molding machine injection molding is the basic requirement of plasticizing, injection and molding.
Plasticizing is the precondition for the implementation and ensure the quality of molding products, to meet the requirements of molding, injection must ensure that there is enough pressure and speed.
At the same time, because of the high injection pressure, corresponding to a high pressure in the cavity,
The average pressure inside the cavity generally between 20 ~ 45 mpa)
, so you must have enough clamping force.
Thus, mould device of injection device and is the key to the injection molding machine parts.
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