CN202137832U - Extrusion molding mold for dry hanging ceramic plate - Google Patents

Abstract

The utility model discloses an improvement of an extrusion molding mold for preparing a dry hanging ceramic plate, which is characterized in that a molding finish mold is provided with a left molding opening and a right molding opening which are axisymmetric, and non-cutting-off cutting knives are arranged on an upper surface and a lower surface at the position of a symmetry axis. Further, a regulating plate stretches in a radial direction on an adjustable mud discharge cross regulating section; at least one surface of a width surface consists of a plurality of independent regulating blocks; a conical mud extrusion transitional section is arranged between the adjustable mud discharge section regulating section and a mud extruding barrel; and the mud extrusion caliber of the conical mud extrusion transitional section becomes smaller and smaller gradually. With the extrusion molding mold, the extrusion of two paratactic blocks can be realized once, the production efficiency is increased by one time, double sheets are used for extruding, the outlet width of a finish mold is enlarged, the extrusion of a mud material is smooth, the return flow is reduced, further, the double sheets enable the shapes of two sides to be eudipleural, the mud discharge amounts on the two sides are equalized, furthermore, the specific value of extrusion length to extrusion width is decreased, and the mud discharge amounts are stable, therefore, the extrusion deformation is effectively reduced, and the percent of pass of products is improved and can be increased by about 20-50%. The mud discharge is regulated in a sectional way, so that the regulation of the mud discharge is refined more accurately; and the mudflow extruded by the conical extrusion transitional section is stable, and the mud discharge amount of a section is equalized, so that the percent of pass of the products is also improved.

Description

Cladding pottery plate extrusion molding mould

Technical field

Utility model is to preparing the improvement of cladding pottery plate extrusion molding mould, relate in particular to a kind of production efficiency height, can extruding cladding pottery plate extrusion molding mould arranged side by side two simultaneously.

Background technology

The pottery plate is as a kind of novel cladding installation curtain wall decoration material, and pottery plate not only size is relatively large, and plate face change in size is bigger, and mostly again is the asymmetric hollow structure in the left and right sides (wall thickness 6-15mm), and prior art adopts the wet method extrusion molding to produce basically.Existing extrusion molding mould adopts the tradition bricks die of riving, and at the front end that squeezes the mud tube, is provided with the adjusting section and the embedded molding port mould (going out veneer) of extruding an ejecting plate of front end in adjustable mud extraction cross section.Yet because cladding pottery plate is originally as dissymmetrical structure (left and right sides became uneven is even); Add that the pottery plate adopts cladding mounting means, be connected between plate and the plate and belong to chelated forms that this mounting means requires high to the straight degree of pottery edges of boards; Monolithic is extruded and is asymmetricly caused easily that both sides are dry shrinks different and deform; And this distortion increases along with pottery plate Aspect Ratio and increases length: width ratio was greater than 2.5 o'clock, and the distortion probability reaches 10～40%; The distortion probability is higher when production length pottery plate, causes product percent of pass low; It is also low to extrude monolithic production efficiency in addition.

In addition, existing extrusion molding mould adopts the tradition bricks die structure of riving, and is squeezing mud tube and molding port intermode than major diameter, be provided with the adjusting section in adjustable mud extraction cross section, but its mud extraction is adjusted to whole structure of length and width degree.Regulating mud extraction can only whole adjusting; Can not local modulation, the mud extraction degree of regulation is not high, causes mud volume unstable easily; And because of pug density soft or hard inhomogeneous; Make that mud extraction cross section each point mud extraction density is inconsistent, be prone to also cause that asymmetric both sides are dry shrinks different and deform, and influence extrusion molding pottery plate quality.

Besides, extrude pug and squeeze mud tube (width 450mm), directly extrude by narrow mud mouth (width has only a 200-300mm usually) mouthful mould through broad; Also can be because of the mud extraction abrupt change of cross-section; Cause that easily mud extraction is not smooth, cause the left, center, right mud volume unbalanced, can cause moulding not accurate equally.Add that institute of pottery plate producer uses the make-up machine great majority to be the import make-up machine; Extruding force is bigger; And that the pottery plate is extruded width is less, the mud extraction abrupt change of cross-section also make make-up machine in the running pug at the mould mouth backflow phenomenon is arranged, cause that extruded product left and right sides density is inconsistent to deform when dry.

Also have, an existing mouthful of mould part is to be embedded into adjustable mud extraction cross section to regulate section, and its matching is strong, changes the extrusion neck ring mold exit width, and the adjusting section in adjustable mud extraction cross section just needs to change, and has increased die cost.

Above-mentioned deficiency still has is worth improved place.

The utility model content

The utility model purpose is to overcome the deficiency of above-mentioned prior art, provides a kind of production efficiency high, can extrude cladding pottery plate extrusion molding mould arranged side by side two simultaneously.

But another purpose of utility model is to provide a kind of cross section each point mud volume independent regulation, and the moulding mud extraction is stable, and it is accurate to extrude the pottery board size, the littler cladding pottery plate extrusion molding mould of distortion probability.

Utility model first purpose realizes, the main improvement is the stomodaeum mould to be extruded monolithic change about axial symmetry two into, and top and bottom, symmetry axis position (centre) are provided with non-cut-out cutter; Mark the indenture that fractures; Burn till the back and fracture, thereby overcome the deficiency of prior art, realize the utility model purpose along this indenture.Specifically, the cladding pottery plate of utility model extrusion molding mould comprises and squeezes mud tube and the adjustable mud extraction of front end cross section adjusting section and end face molding port mould that it is characterized in that the molding port mould has two molding ports about axial symmetry, there is non-cut-out cutter top and bottom, symmetry axis position.

Utility model second purpose realizes that mainly improving one is to change whole adjustable plate of length and width degree of regulating section into a plurality of segmentation regulating blocks, is convenient to each mud extraction point of cross section and regulates mud volume and mud extraction density as required respectively; The 2nd, squeeze mud tube and adjustable mud extraction cross section and regulate and increase by one between the section and squeeze the mud cross section and satisfy the little taper of convergent and squeeze the mud changeover portion, make and extrude pug one gradual change (cross section reduces) extrusion is arranged, thus a stable mouth mould mud volume.Can access the mud cross section and regulate upward radial expansion adjustable plate of section, width face one side at least is made up of a plurality of independent regulation pieces, and adjustable mud extraction cross section is regulated between section and crowded mud tube has the gradually little taper of crowded mud bore to squeeze the mud changeover portion.

The non-cut-out cutter in mouthful mould center, main effect are that indenture is marked on the interface two sides, is one after extruding to two plates about extruding, after burning till simply the equipment of riving fracture into two.Different according to extruding pottery plate single face thickness, the cutter insert plate face degree of depth 1～5mm (employing adjustable structure) reaches after extruding not frangible, and state easily fractures after burning till.Non-cut-out cutter is installed in a mouthful mould inner surface, not only changes than being easier to after the cutter wearing and tearing like this, and can more effectively reduce blade and bring and cut apart stress, and the plate biplate in forming process of also can avoiding making pottery separates into the phenomenon of monolithic.

The independent regulation piece is to regulate the each point mud volume separately with whole adjustable plate main distinction of former length and width degree, realizes the segmented adjusting, makes it to reach the best and extrudes state, and it is consistent to satisfy each position density of shaped article, guarantees Forming Quality.Width is thin more in theory, and it is good more to regulate accuracy, but objectively is difficult to accomplish also do not need mm dimension level, and according to test, independent adjustable width can satisfy with 10-20mm.Width face up-down adjustment can be to change the polylith combination simultaneously into, also can be that one side makes the polylith combining structure into; Another side still keeps en-block construction; False front for example can reduce pottery plate surface because of the trace that adds lustre to of slit rust aquatic products between regulating block, if regulating block adopts stainless steel material; Or the precision machining gap is minimum, also can be that the two sides is the fritter combining form.

Increasing and squeeze the crowded mud changeover portion of the gradually little taper of mud bore, mainly is to make extrusion molding squeeze the mud tube by the heavy in section to form gradual change extruding transition to small bore molding port mould, guarantees that mud extraction is smooth and easy, and it is balanced more to help the left, center, right mud volume, satisfies the requirement of cladding pottery plate straight flange.Test shows that conical section length is comparatively suitable with 35-55mm, too short then basic not effect, and long do not have this necessity yet.The tapering transition section is squeezed mud bore cross sectional shape, a kind ofly is preferably similar with mouthful mold forming shape, for example extrudes the dull and stereotyped rectangle that is, helps more guaranteeing that the mud volume total cross-section is balanced.

Each mud extraction point is not the point on the ordinary meaning, and is meant a smaller length, for example 10-20mm.

In addition, owing to increased crowded mud changeover portion, make the mud extraction land move forward in crowded mud tube mud extraction direction; Thereby not only can attenuate mouth mold thickness; Be thinned to 45 ± 5 mm, and need not adopt damascene structures, practiced thrift expensive mouth mold materials and processing charges greatly.

The cladding pottery plate of utility model extrusion molding mould, with respect to prior art, employing will have pottery plate extrusion molding mouth mould monolithic now and extrude, and change about axial symmetry two into and extrude; Once extrude out two biplates arranged side by side, not only more made full use of the make-up machine plasticating capacity, the production efficiency that is doubled, and also biplate is extruded; Strengthened a mouthful mould exit width, pug is extruded smooth and easy, has reduced backflow, and biplate makes both sides shape left-right symmetric; Balanced both sides mud volumes, and make and extrude Chang Du ∕ width ratio and reduce, mud volume is stable; These all effectively reduce extrusion deformation, have improved product percent of pass, and qualification rate can improve about 20～50%.The whole piece adjustable plate changes the segmental structure regulative mode into, can make mud extraction regulate more accurately refinement to the mud extraction local modulation; It is consistent to reach each position density of shaped article; The cross section mud extraction is even, has not only reduced extrusion deformation, and wet base density is consistent; Shrink unanimity when dry, also be difficult for producing dry distortion; Increase taper and extrude changeover portion, make that to extrude mudflow steady, the cross section mud volume is balanced, the straight degree of the edges of boards of guaranteeing to make pottery.Improved the qualification rate of extruded product thus greatly, qualification rate improves about 20～50%.This structure simultaneously, mouthful mould thickness of having gone back attenuate can keep not increasing die cost.Besides, aforementioned mould structure improves, and has also improved adjustable mud extraction cross section and has regulated section and the compatibility that changes mouthful mould, and for example a mouthful mould is extruded width dimensions and changed in 50mm, can with one overlap adjustable mud extraction cross section the adjusting section, also reduce the Mold Making cost.

Below in conjunction with two specific embodiments; Utility model essence is further understood in exemplary illustration and help; But the embodiment detail only is in order utility model to be described, not to be represented utility model design whole technical schemes down, therefore should not be construed as the total technical scheme of utility model to be limited; Some are In the view of the technical staff; The unsubstantiality that does not depart from utility model design increases and/or changes, and simple the change or replacement of technical characterictic to have same or similar technique effect for example all truely used novel protected scope.

Description of drawings

Fig. 1 is the utility model first embodiment extrusion die vertical profile structural representation.

Fig. 2 is that Figure 1A-the A section is adjustable, and the segment structure sketch map is regulated in the mud extraction cross section.

Fig. 3 is Figure 1B-B section end face molding port mode structure sketch map.

Fig. 4 is the utility model second embodiment extrusion die vertical profile structural representation.

Fig. 5 is that Fig. 4 C-C section squeezes gradually fine taper changeover portion structural representation of mud bore.

Fig. 6 is that the segment structure sketch map is regulated in the adjustable mud extraction of Fig. 4 D-D section cross section.

The specific embodiment

Embodiment 1: referring to Fig. 1-3; The cladding pottery plate of utility model extrusion molding mould; Comprise and squeeze mud tube 1; The molding port mould 4 of two molding ports 4.1 and 4.2 is regulated about section 3 and end face axial symmetry in the adjustable mud extraction cross section of front end, and mouth mould inner surface top and bottom, symmetry axis position have stretches the non-cut-out cutter 5 of the degree of depth under adjustable, stretches 1-5mm according to extruding pottery plate single face thickness under each.Wherein mud extraction adjusting range is a length and width degree whole piece structure 2.Extrude after dry, burn till, by the equipment of riving at last is divided into two.

Embodiment 2: referring to Fig. 4-6, like embodiment 1, set up long 4cm and the gradually little crowded mud changeover portion 6 of taper of crowded mud bore, its taper mud extraction passage 6.1 cross sections and the basic similar shape of molding port mould (embodiment is a rectangle) at crowded mud tube 1 and 7 of adjustable mud extraction cross section adjusting sections; Wherein adjustable mud extraction cross section is regulated section 7 and is widened; Squeeze the mud passage also for squeezing gradually fine taper of mud bore, radiai adjustment piece around adjustable mud extraction cross section adjusting section goes up, two are a block structure about thickness; Adjustable plate above plate is wide (the pottery plate is positive) is en-block construction 8.1 and 8.2; Following adjustable plate is made up of a plurality of piecemeal independent regulation pieces 9, and mouthful mould thickness 45 mm do not have embedding and are combined in an adjustable mud extraction cross section adjusting section end face.

To those skilled in the art, under this patent design and specific embodiment enlightenment, some distortion that can directly derive or associate from this patent disclosure and general knowledge; Those of ordinary skills will recognize also can adopt additive method, or uses substituting of known technology in the prior art always, and the equivalence of characteristic changes or modification; Mutual various combination between characteristic, the for example change of mouthful mould shape, the tapering transition section is squeezed the mud passage according to molding port mould alteration of form; As extrude the right angle and hang also rectangular structure of brick tapered channel, the partitioned organization that adopts stainless steel to make above the section width is regulated in adjustable mud extraction cross section, or the like unsubstantiality change; Can be employed equally; Can both realize this patent representation function and effect, launch for example no longer one by one to describe in detail, all belong to this patent protection domain.

Claims (9)

1. cladding pottery plate extrusion molding mould comprises and squeezes mud tube and the adjustable mud extraction of front end cross section adjusting section and end face molding port mould that it is characterized in that the molding port mould has two molding ports about axial symmetry, there is non-cut-out cutter top and bottom, symmetry axis position.

2. according to the said cladding pottery plate extrusion molding mould of claim 1, it is characterized in that stretching depth-adjustment under the non-cut-out cutter.

3. according to the said cladding pottery plate extrusion molding mould of claim 1, it is characterized in that non-cut-out cutter is installed in a mouthful mould inner surface.

4. according to claim 1,2 or 3 said cladding pottery plate extrusion molding moulds; It is characterized in that adjustable mud extraction cross section adjusting section goes up the radial expansion adjustable plate; Width face one side at least is made up of a plurality of independent regulation pieces, and adjustable mud extraction cross section is regulated between section and crowded mud tube has the gradually little taper of crowded mud bore to squeeze the mud changeover portion.

5. according to the said cladding pottery plate extrusion molding mould of claim 4, it is characterized in that independent regulation piece width 10-20mm.

6. according to the said cladding pottery plate extrusion molding mould of claim 4, it is characterized in that it is to squeeze gradually fine taper of mud bore that the crowded mud passage of section is regulated in adjustable mud extraction cross section.

7. according to the said cladding pottery plate extrusion molding mould of claim 4, it is characterized in that squeezing the gradually crowded mud transition section length 35-55mm of fine taper of mud bore.

8. according to the said cladding pottery plate extrusion molding mould of claim 4, it is similar with mouthful mold forming shape to it is characterized in that the crowded mud bore cross sectional shape of mud changeover portion is squeezed in taper.

9. according to the said cladding pottery plate extrusion molding mould of claim 4, it is characterized in that mouthful mould thickness 45 ± 5 mm.

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