CN205112068U - Two -sided extrusion mould of gypsum board - Google Patents

Abstract

The utility model discloses two -sided extrusion mould of gypsum board, die body are non -operculate hollow cuboid from top to bottom, are equipped with the slip casting mouth on the lateral wall of die body, have set up cope match -plate pattern and lower bolster in the die body, and the cross sectional shape with the die body inner chamber is the same with the size respectively for the shape and the size of cope match -plate pattern and lower bolster, and the cope match -plate pattern upper end is fixed with a last depression bar that stretches out the die body, and the lower bolster lower extreme is fixed with a lower depression bar that stretches out the die body. Non -operculate structure about changing traditional closed die body into wherein having increased cope match -plate pattern and lower bolster, before gypsum slip casting, will go up the lower bolster to die body extrusion in the middle of, can be through the air escape of slip casting mouth in with the die cavity, and prevent that too many air from remaining and result in gassing in fashioned gypsum. Moreover, after gypsum slip casting, can extrude gypsum slurry through cope match -plate pattern and lower bolster. Comparing traditional gravity and condensing, the effect that pressure condenses is better, can improve the compactness of gypsum, increases the finish and the bulk strength of product.

Description

Plasterboard two-sided extrusion shaping mould

Technical field

The utility model designs a kind of mould, is specifically related to a kind of plasterboard two-sided extrusion shaping mould.

Background technology

Plasterboard because its quality is light, environmental protection, ventilative and be widely used on building decoration.The preparation method of current plasterboard is that calcium plaster is injected mould, after gypsum sets is shaping, deviates from mould and namely obtains plasterboard.Be generally employing bed die in this preparation method, the calcium plaster mixing up ratio be injected into coagulation forming in the die cavity of bed die, after deviating from bed die, can plasterboard be obtained.The shaping shortcoming of this method is that the surface of plasterboard does not have direct ingress of air, and its surface configuration is difficult to control.Very easily form rough surface, surface pores, cause the bulk strength of plasterboard little, stressed easy fracture.

For the problems referred to above, proposing improved plan, is single bottom modeling is transformed into upper and lower two moulds.Before the forming by upper and lower two mould matched moulds, afterwards by high-pressure injection, in die cavity, inject slurry, final molding plasterboard.Due to the gypsum slurry be full of in whole shape chamber, therefore, the inner cavity surface of mold is often made into rough pattern, make shaping after plasterboard on also can form corresponding pattern.Owing to wherein there is air when pouring into gypsum slurry in shape chamber, surface and the inside of the plasterboard produced in this way still have a lot of pores, cause whole gypsum board surface of low quality, and whole plasterboard solidifies under gravity, when environment for use effects on surface fineness and bulk strength have higher requirements, this mould still cannot meet instructions for use.

Utility model content

The purpose of this utility model is to provide a kind of plasterboard two-sided extrusion shaping mould, overcomes existing mould and effectively cannot discharge air in die cavity when molding of gypsum plate, causes the surface smoothness of plasterboard and the poor problem of bulk strength.

For achieving the above object, the technical solution of the utility model is: plasterboard two-sided extrusion shaping mould, comprise die body, described die body is the hollow cuboid of upper and lower uncovered, the sidewall of described die body is provided with grouting port, cope match-plate pattern and lower bolster is provided with in described die body, described cope match-plate pattern is identical with size with the cross sectional shape of die body inner chamber respectively with size with the shape of lower bolster, described cope match-plate pattern upper end is fixed with the upperpush rod that is stretched out die body, and described lower bolster lower end is fixed with the down-pressed pole that is stretched out die body.

When adopting technique scheme, traditional enclosed die body is changed into the structure of upper and lower uncovered, cope match-plate pattern and lower bolster is added wherein, before gypsum slip casting, bolster is extruded in the middle of die body, by grouting port, the air in die cavity can be discharged, prevent too many air residual from causing producing bubble in shaping gypsum.Moreover, after gypsum slip casting, can be extruded gypsum slurry by cope match-plate pattern and lower bolster.Compare traditional gravitational coagulation, the better effects if of pressure condensation, can improve the compactness of gypsum, increases surface smoothness and the bulk strength of product.

Further improvement project, the upper surface of described lower bolster is provided with rough pattern.By the upper surface of pattern setting at lower bolster, change the principle of traditional pattern forming.Traditional pattern forming is the top being arranged on internal chamber wall, and the pressure acted on gypsum slurry is far smaller than the pressure in this programme, therefore, the deadweight of gypsum slurry and the pressure of bolster can be made full use of in this programme, make shaping pattern effect better.

Further improvement project, described grouting port is positioned at the centre position of die body height.Grouting port is arranged on the centre position of die body height, can be identical to the position of movement when the extruding of centre at cope match-plate pattern and lower bolster, and the better effects if of exhaust.

Further improvement project, described cope match-plate pattern and lower bolster are respectively equipped with sealing ring.Cope match-plate pattern and lower bolster arrange sealing ring respectively and can increase sealing effectiveness between bolster and die body inwall, prevent the phenomenon of gas leakage and spillage.

Further improvement project, described upperpush rod is provided with the spacing ring of annular.Spacing ring is set, the depth capacity in cope match-plate pattern insertion die body can be limited by spacing ring, prevent cope match-plate pattern transition from inserting, lower bolster is ejected.

Further improvement project, the distance between described spacing ring and cope match-plate pattern equals the distance of grouting port and die body end face.This setting, in the stage of exhaust, by the effect of spacing ring, just can be pressed in the position of grouting port in die body, repeatedly need not adjust the position of cope match-plate pattern and lower bolster by cope match-plate pattern, make operation more convenient and quick.

Accompanying drawing explanation

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:

Fig. 1 is the structural representation of the utility model plasterboard two-sided extrusion shaping mould embodiment.

Reference numeral: die body 1, grouting port 11, cope match-plate pattern 2, lower bolster 3, upperpush rod 21, down-pressed pole 31, spacing ring 22.

Detailed description of the invention

As shown in Figure 1, the utility model plasterboard two-sided extrusion shaping mould, comprises die body 1, and die body 1 is the cuboid box body of about one uncovered.The sidewall of die body 1 is provided with a grouting port 11 near the position at middle part, the inner space of grouting port 11 and die body 1.In die body 1, cope match-plate pattern 2 and lower bolster 3 are equipped with, wherein, cope match-plate pattern 2 is all identical with size with the cross sectional shape of the inner chamber of die body 1 with size with the shape of lower bolster 3, and cope match-plate pattern 2 and lower bolster 3 can slide up and down along the internal chamber wall of die body 1 respectively.Above cope match-plate pattern 2, be fixed with a upperpush rod 21, upperpush rod 21 stretches out die body 1, cope match-plate pattern 2 can be driven to slide up and down in die body 1 by upperpush rod 21.Same, be fixed with a down-pressed pole 31 in the below of lower bolster 3, down-pressed pole 31 stretches out die body 1, lower bolster 3 can be driven to slide up and down in die body 1 by down-pressed pole 31.Further, as improvement, rough pattern can be set at the inner bottom surface of lower bolster 3, by this setting, pattern and lines can be formed on shaping plasterboard face, play the effect of decoration.Especially, upperpush rod 21 is provided with an annular spacing ring 22.By spacing ring 22, cope match-plate pattern 2 can be limited and insert distance in die body 1, prevent cope match-plate pattern 2 from excessively inserting in die body 1, lower bolster 3 is ejected.Of course, the position of spacing ring 22 is the centre positions making cope match-plate pattern 2 just be positioned at die body 1, grouting port 11 place.Of coursing, in order to prevent the problem of spillage and gas leakage further, sealing ring can be set on cope match-plate pattern 2 and lower bolster 3, increase the sealing effectiveness between die body 1 inwall.

During use, upperpush rod 21 pairs of cope match-plate patterns 2 are utilized to apply downward pressure, same, down-pressed pole 31 pairs of lower bolsters 3 are utilized to apply to upward pressure, spacing between cope match-plate pattern 2 and lower bolster 3 is reduced as far as possible, form piston effect, the air between cope match-plate pattern 2 and lower bolster 3 is discharged by grouting port 11.After cope match-plate pattern 2 and lower bolster 3 move into place, cope match-plate pattern 2, form one between lower bolster 3 and die body 1 and inject the seal chamber of gypsum slurry.Moreover wherein inject gypsum slurry by grouting port 11, while injection, slow upperpush rod 21 and down-pressed pole 31, in the process pulled, preferably can synchronously pull, and also can intermittently pull if can not synchronously pull.Along with the injection of gypsum slurry, it is identical that the speed as far as possible keeping gypsum slurry to rise in seal chamber and seal chamber become large speed.After injection gypsum slurry reaches the volume of specifying, grouting port 11 is closed, by upperpush rod 21 extruding cope match-plate pattern 2 downwards, or by down-pressed pole 31 upwardly lower bolster 3, also both can extrude simultaneously, can adjust flexibly according to needs of production.By the effect of external force, utilize cope match-plate pattern 2 and lower bolster 3 by gypsum slurry compacting between the two, until solidify formation plastering.After plaster formulation, further by down-pressed pole 31 upwardly lower bolster 3, upwards can pull cope match-plate pattern 2 by upperpush rod 21 simultaneously, plastering deviate from from die body 1.Again cope match-plate pattern 2 is deviate from from plastering after deviating from, obtain the plastering of complete and smooth.In addition, the inner bottom surface due to lower bolster 3 arranges rough pattern, and the plastering after shaping also can form corresponding decorative pattern, and pattern is smooth, and quality is higher.

Traditional enclosed die body 1 is changed into the structure of upper and lower uncovered, cope match-plate pattern 2 and lower bolster 3 is added wherein, before gypsum slip casting, bolster is extruded in the middle of die body 1, by grouting port 11, the air in die cavity can be discharged, prevent too many air residual from causing producing bubble in shaping gypsum.Moreover, after gypsum slip casting, can be extruded by cope match-plate pattern 2 and lower bolster 3 pairs of gypsum slurries.Compare traditional gravitational coagulation, the better effects if of pressure condensation, can improve the compactness of gypsum, increases surface smoothness and the bulk strength of product.

Above-described is only preferred embodiment of the present utility model; should be understood that; for a person skilled in the art; without departing from the concept of the premise utility; some distortion and improvement can also be made; these also should be considered as protection domain of the present utility model, and these all can not affect effect and the practical applicability of the utility model enforcement.

Claims (6)

1. plasterboard two-sided extrusion shaping mould, comprise die body, it is characterized in that, described die body is the hollow cuboid of upper and lower uncovered, the sidewall of described die body is provided with grouting port, is provided with cope match-plate pattern and lower bolster in described die body, and described cope match-plate pattern is identical with size with the cross sectional shape of die body inner chamber respectively with size with the shape of lower bolster, described cope match-plate pattern upper end is fixed with the upperpush rod that is stretched out die body, and described lower bolster lower end is fixed with the down-pressed pole that is stretched out die body.

2. plasterboard two-sided extrusion shaping mould according to claim 1, is characterized in that, the upper surface of described lower bolster is provided with rough pattern.

3. plasterboard two-sided extrusion shaping mould according to claim 1, it is characterized in that, described grouting port is positioned at the centre position of die body height.

4. plasterboard two-sided extrusion shaping mould according to claim 1, is characterized in that, described cope match-plate pattern and lower bolster are respectively equipped with sealing ring.

5. the plasterboard two-sided extrusion shaping mould according to claim 1 or 3, is characterized in that, described upperpush rod is provided with the spacing ring of annular.

6. plasterboard two-sided extrusion shaping mould according to claim 5, it is characterized in that, the distance between described spacing ring and cope match-plate pattern equals the distance of grouting port and die body end face.