A kind of modified steam molding press
Technical field
The present invention relates to a kind of molding press for the manufacture of founding Mold for Plastics, refer more particularly to a kind of steam molding press.
Background technology
Traditional founding technique have employed manual mould.The uniformity of manual mould is very poor, and the weight of light, the weight that the finished product adopting manual mould cast to obtain is light, can not ensure the quality of finished product.For this reason, a kind of steam molding press arises at the historic moment, its structure comprises: base, base is provided with four columns be parallel to each other, column is provided with elevating bracket, column is movably set with stamper seat between base and elevating bracket, lowering or hoisting gear is provided with between stamper seat and elevating bracket, stamper seat is provided with steam box in the side facing to base, stamper seat is equipped with two steam pipes and two water inlet pipes that communicate with steam box, steam inlet pipe is communicated with steam pipe by inlet valve, water inlet pipe is communicated with cold water pipe by water intaking valve, described base offers pressure-reduction outlet and discharge outlet.In actual use, the steam inlet pipe only logical steam of this steam molding press, water inlet pipe is logical cooling water only, and the utilization rate of pipeline is lower, and in order to meet heating and cooling process conditions, pipeline cost is higher.In addition, this steam molding press suppress some large molds time, due to be only positioned at top steam box on be equipped with steam pipe, cause the temperature distributing disproportionation of whole mold cavity even, thus affect the Forming Quality of founding mould of plastics.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of and can improve the utilization rate of pipeline thus the modified steam molding press of reduction pipeline cost.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of modified steam molding press, comprise: base, base is provided with at least three columns be parallel to each other, column is provided with elevating bracket, column is also movably set with stamper seat between base and elevating bracket, lowering or hoisting gear is provided with between stamper seat and elevating bracket, stamper seat is provided with steam box in the side facing to base, stamper seat is equipped with at least one admission water inlet pipe communicated with steam box, admission water inlet pipe is connected with steam pipe by the first inlet valve, be connected with cold water pipe by water intaking valve, described base offers pressure-reduction outlet and discharge outlet.
Further technical problem to be solved by this invention is: provide a kind of and make the more uniform modified steam molding press of the Temperature Distribution of mold cavity.
For solving above-mentioned further technical problem, the technical solution used in the present invention is: described base is also provided with air intake, and air intake is connected with steam pipe with the second inlet valve by pipeline.
Described molding press also includes uncovered water tank, and water is entered in water tank by drainpipe by described discharge outlet.
Be provided with immersible pump in described water tank, immersible pump is connected with described water intaking valve by feed pipe.
Described pressure-reduction outlet is positioned at the central authorities of base, and described discharge outlet is made up of several osculums.
Several described osculums are evenly arranged along pressure-reduction outlet circumference.
The concrete structure of described lowering or hoisting gear comprises: at least one is arranged on the screw mandrel on stamper seat, elevating bracket is provided with the screw mandrel reductor matched with corresponding screw mandrel and the motor matched with corresponding screw mandrel reductor.
The invention has the beneficial effects as follows: by original steam inlet pipe and water inlet pipe multiplexing, no longer simple for entering steam or cold water, thus meeting under heating and cooling process conditions, only need the pipeline of original half, thus save pipeline cost.In addition, owing to adding bottom steam supply, make when heating, the Temperature Distribution of mold cavity is more even, improves the Forming Quality of founding mould of plastics, thus improves the quality of casting finished product.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In Fig. 1: 1, base, 11, vent, 12, osculum, 13, admission opening, 2, column, 3, stamper seat, 4, elevating bracket, 5, screw mandrel, 52, screw mandrel reductor, 53, driving-belt, 54, motor, 6, steam box, 71, steam pipe, 72, cold water pipe, 73, admission water inlet pipe, 74, steam inlet pipe, 76, drainpipe, the 77, first inlet valve, 78, water intaking valve, the 79, second inlet valve, 8, water tank.
Detailed description of the invention
Below in conjunction with accompanying drawing, describe specific embodiment of the invention scheme in detail.
As shown in Figure 1, a kind of modified steam molding press, comprise: base 1 and uncovered water tank 8, described base 1 is provided with four columns be parallel to each other 2, the top of column 2 is provided with elevating bracket 4, column 2 is movably set with stamper seat 3 between base 1 and elevating bracket 4, lowering or hoisting gear is provided with between stamper seat 3 and elevating bracket 4, its concrete structure comprises: the screw mandrel 51 being fixedly connected with stamper seat 3 for a pair, elevating bracket 4 is provided with the screw mandrel reductor 52 matched with corresponding screw mandrel 51 and the motor 54 matched with corresponding screw mandrel reductor 52, motor 54 drives screw mandrel reductor 52 by driving-belt 53, described stamper seat 3 is provided with steam box 6 in the side facing to base 1, stamper seat 3 is equipped with the four admission water inlet pipes 73 (how many admission water inlet pipes 73 can be determined according to the size of steam box 6) all communicated with steam box 6, it is that two pipelines communicate with steam pipe 71 respectively by the first inlet valve 77 that these four admission water inlet pipes 73 gather rear bifurcated, communicated with cold water pipe 72 by water intaking valve 78, described base 1 is also provided with the air intake be made up of a pair admission opening 13, a pair admission opening 13 is connected to a steam inlet pipe 74, be connected with steam pipe 71 by the second inlet valve 79 after this pair steam inlet pipe 74 gathers, the discharge outlet described base 1 offering pressure-reduction outlet (being made up of a vent 11) and be evenly arranged in the osculum 12 around vent 11 form by four, described vent 11 is positioned at the central authorities of base 1, makes described a pair admission opening 13 be symmetrically distributed in its both sides.In the present embodiment, water enters water tank 8 by drainpipe 76 one to one from the open-mouth of water tank 8 by four described osculums 12, be provided with immersible pump (belonging to routine techniques, not shown) in water tank 8, immersible pump is connected with described water intaking valve 78 by cold water pipe 72.