A kind of preparation method of door pocket
Technical field
The invention belongs to door pocket manufacture technology field, relate to a kind of mould making door pocket frame, particularly a kind of mould being made door pocket by cast or painting way, the invention still further relates to the preparation method adopting above-mentioned Mold Making door pocket.
Background technology
At present, building is installed door pocket great majority that door uses all with wooden, common door pocket is all comprise two side edge frame and a top frame, is usually all to link together in mode such as employing mortise and tenon, bonding etc. after first making respectively.Because the accuracy of manufacture of carpenter is all lower, the door pocket made often easily is out of shape, and therefore the installation specification of door pocket is higher.In addition, due to the characteristic of timber itself, through long-term expose to the weather after, be easily out of shape, damage by worms and inflammable, these are all the shortcomings that wooden door pocket is difficult to overcome.
For this reason, occurred that some adopt inorganic material or composite material to make the technique of door and door pocket at present, be all first composite material is made slurry substantially, then make according to production technology in a model, make after slurry curing.As Chinese patent " a kind of mould for making door pocket or window frame profile " that provide, its Authorization Notice No. is CN201559247U, this mould comprises substrate, is fixed on the clamping plate of substrate side surfaces, clamping plate have four, be arranged at four sides of substrate respectively and form core rod, in core rod, inserting corresponding material to make door pocket or window frame profile.But the size of this mould, shape are all changeless, that is mould can only make door pocket or the window frame of single size, and the door pocket of difformity, size or window frame need multiple mould to carry out one_to_one corresponding, and resource utilization is low.
Further, the entirety of door pocket all adopts composite mortar to solidify and forms, and overall structural stability need to improve, and nail-holding ability when installing hinge is not enough, easily loosens in use procedure.
Summary of the invention
First object of the present invention is for the problems referred to above existing for the mould of existing making door pocket or window frame, and proposes a kind of slurry curing moulding process that adopts to make door pocket frame, and the mould that size can regulate arbitrarily.
First object of the present invention realizes by following technical proposal: a kind of door pocket of size adjustable makes mould, it is characterized in that, it comprises the inside casing of annular and is arranged on the housing of inside casing periphery, described inside casing by some independently the body of rod be spliced, and enclose and form the injection molding framework that is used for making door pocket frame, the seam mould of a strip is provided with in injection molding framework, described seam mould and the inside wall of injection molding framework are close to, position-limit mechanism is provided with between described inside casing and housing, above-mentioned position-limit mechanism can make injection molding framework keep stable state in manufacturing process.
Use some bodies of rod to be spliced into inside casing, after being provided with seam mould, can form the core rod of " L " type in the injection molding framework of inside casing, the shape of core rod is identical with the frame shape size that will make.To adopt pouring type to make door pocket, when slurry is poured into, the form trait of injection molding framework is stablized constant, is the frame that will make after slurry curing, and owing to being provided with seam mould, the seam therefore on frame also can be formed in the lump.Because injection molding framework is spliced by some independent bodies of rod, therefore can be spliced into the injection molding framework of difformity, size as required, with the making of applicable difformity size frame.
Make in mould at the door pocket of above-mentioned a kind of size adjustable, the adjusting rod that comprise the described body of rod fixed bar and some groups of length differ, between described fixed bar and adjusting rod, or fixed bar, between adjusting rod and housing, all can enclose above-mentioned injection molding framework, described adjusting rod can move back and forth along fixed bar after above-mentioned position-limit mechanism unlocks.
When adjusting rod moves along fixed bar, the length of adjustable injection molding framework, selects the adjusting rod of different group then can reach the object changing injection molding frame width.
Make in mould at the door pocket of above-mentioned a kind of size adjustable, described adjusting rod is " L " type and has a right-angle notch matched with above-mentioned seam mould.Seam mould can pass from the right-angle notch of adjusting rod, can not hamper the adjustment movement of adjusting rod.
Make in mould at the door pocket of above-mentioned a kind of size adjustable, described position-limit mechanism comprises some packet sizes limited block not of uniform size, any one group of limited block all can be placed between inside casing and housing, and two ends can lean with the inner side of housing and the outside of inside casing respectively.Select corresponding limited block group according to the size of injection molding framework, shape, be placed between inside casing and housing, and inside casing is propped up, prevent injection molding framework from the process of cast slurry or brushing, deformation occurring.
Second object of the present invention is for the problems referred to above existing during existing pure slurry curing moulding process making door pocket, and proposes a kind of overall structure stability that improves, the door pocket preparation method of nail-holding ability when can ensure that hinge is installed.
Second object of the present invention realizes by following technical proposal: a kind of preparation method of door pocket, is characterized in that, it comprises the steps:
The magnesium chloride brine of step 1, preparation 22 ~ 27 Baume degrees;
Step 2, prepare chloro-magnesium cement slurry: by magnesia and magnesium chloride brine Homogeneous phase mixing, the ratio of weight and number of magnesia and magnesium chloride brine is 0.5 ~ 1.2:1;
The preparation of step 3, modifier;
Step 4, prepare mixed slurry: in chloro-magnesium cement slurry, add modifier, be stirred to Homogeneous phase mixing, the addition of modifier is 5 ~ 20% of magnesium chloride brine weight in step 2;
Step 5, prepare inserts;
Step 6, make flaggy below: the layer of glass that tiles bottom counterdie grid cloth, the edge of grid cloth extends counterdie, then adopt painting way on this layer of fiberglass gridding cloth, brush the mixed slurry of preparation in one deck step 4, then to re-lay after layer of glass grid cloth brushing one deck mixed slurry again, so repeat certain number of times;
Step 7, placement wooden frame; Being pressed in by the wooden frame made in advance below on flaggy, aligns with flaggy edge below in the periphery of wooden frame;
Step 8, crimping: each layer fiberglass gridding cloth turnup to the inside of counterdie will be extended in step 6, the periphery of wooden frame is wrapped;
Step 9, filling: inserts obtained in step 5 is filled in the gap of wooden frame;
Step 10, make flaggy above: after taking out the seam mould in patrix, the layer of glass that tiles bottom patrix grid cloth, then adopt painting way on this layer of fiberglass gridding cloth, brush the mixed slurry of preparation in one deck step 4, then to re-lay after layer of glass grid cloth brushing one deck mixed slurry again, so repeat certain number of times;
Step 11, matched moulds; Flaggy above obtained for step 10 is moved in step 9 and is filled with below inserts on flaggy, and align;
Step 12, pressing mold; Upper and lower panel lamination is tightly bonded together securely;
The demoulding after step 13, curing conservation, makes frame;
Step 14, repetition above-mentioned steps, obtained all the other several frames;
Step 15, assembled connection, can form door pocket by the side edge frame adopting said method to make successively and assembled the linking together of top frame.
Fiberglass gridding cloth is as enhancing skeleton, and fiberglass gridding cloth and mixed slurry layer are arranged alternately and both can be made fully to contact bonding, improve overall bonding fastness.By the outer peripheral portion of wooden frame with after fiberglass gridding cloth parcel, flaggy does not reach wooden frame above, but contact with the fiberglass gridding cloth in flaggy below and bond, bond effect is good, and wooden frame then keeps connectivity robustness under the intensive filling extruding of the parcel of fiberglass gridding cloth and inserts.In step 6 and step 10, the number of plies of fiberglass gridding cloth controls the thickness of door pocket, and can suitably increase as required or reduce number of repetition, step 5,6,10 then there is no permanent order, can carry out simultaneously or change sequencing.
In the manufacture method of above-mentioned a kind of door pocket, the modifier in described step 3 is made up of (parts by weight) following composition and proportioning:
Barium silicate 2 ~ 4.5;
Silicate of soda 1.5 ~ 3.5, can block capillary porosity duct, the compactness improving material, intensity, impermeability and water resistance;
Macromolecule waterproof adhesive powder 10 ~ 25;
Plaster of Paris 250 ~ 400, the CL of withhold excessive
-;
Bentonite 110 ~ 140, improves adhesion stress;
Mica powder 60 ~ 100;
Lithium metasilicate 2 ~ 3.8, solution has from dryness, can generate a kind of water-fast dry film;
Polyvinyl alcohol 2 ~ 8, the aqueous solution has good caking property and film forming;
Flocculant 2.5 ~ 8;
French chalk 150 ~ 300;
Pozzolan 200 ~ 300.
Adding in magnesia cement by preparing the improver obtained, after magnesia cement solidification, forming one deck hydrophobic membrane at the inner surface of goods with inner capillary porosity and empty inwall, preventing the intrusion of moisture, reducing water to the erosion of goods.Magnesite modification agent simultaneously contains the surface active ingredient of a great deal of, can magnesia be made at short notice fully to contact with magnesium chloride, react, unnecessary magnesium chloride shielding is got up, it is made to lose the chance absorbing moisture in air dielectric, compensate under large output, slip mixing time is shorter and the defect easily causing mixing of materials insufficient.Eliminate in urethane cure process, the product defect produced because of excess water evaporation significantly increases the early stage of goods and longterm strength, increases surface and inner compactness, eliminates and return halogen and whiting, strengthen the hydrophobicity of product, and and CO
2in conjunction with activity, reduce and generate shepardite, increase magnesium carbonate and generate, improve stability and intensity.
In the manufacture method of above-mentioned a kind of door pocket, in described step 8, after being wrapped the periphery of wooden frame, be wrapped in the mixed slurry fiberglass gridding cloth on wooden frame periphery brushing preparation in step 4.Brush is this which floor fiberglass gridding cloth thoroughly, makes timber well-bonded, prevents distortion.
In the manufacture method of above-mentioned a kind of door pocket, described inserts is phenolic foam board.The laudatory title that phenol formaldehyde foam have " king of heat insulating material ", is insulated fire sound insulation materials of new generation, after solidification, does not substantially have hazardous substances.Phenolic foam board can be tabular, bulk or strip, can by wooden frame the space that encloses all fill full, also can leave room.
In the manufacture method of above-mentioned a kind of door pocket, described magnesian purity is 80-90%, the light magnesium oxide powder of fineness 180-350 order, active component 60-70%.
In the manufacture method of above-mentioned a kind of door pocket, described glass fiber is alkali-free glass fibre.Toughness is better.
Compared with prior art, the door pocket of this size adjustable makes mould and utilizes some separate adjusting rods and fixed bar to be spliced into required injection molding framework, and structure is simple.Select the adjusting rod of different group and/or slidable adjustment bar can arrive the object changing injection molding framework size, shape, regulate simple and convenient, can be applicable to the making of difformity, size frame, applicability is wide and resource utilization is high.The hinge installation that the preparation method of door pocket can provide the overall structure stability of door pocket, wooden frame wherein to can be in the future greatly provides enough nail-holding abilitys.
Accompanying drawing explanation
Fig. 1 is the structural representation of mould.
Fig. 2 is the structural representation of adjusting rod.
Fig. 3 is the sectional view of composition door pocket frame.
In figure, 1, housing; 2, inside casing; 21, fixed bar; 22, adjusting rod; 22a, breach; 23, injection molding framework; 3, seam mould; 4, limited block; 5, flaggy above; 6, flaggy below; 7, therebetween sandwich layer; 71, wooden frame; 72, phenolic foam board; 8, fiberglass gridding cloth; 8a, clad; 9, mixed slurry.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figure 1, the door pocket of this size adjustable makes mould and comprises the inside casing 2 of annular and be arranged on the housing 1 of inside casing 2 periphery, housing 1 maintains static, inside casing 2 is spliced by separate two fixed bars 21 and an adjusting rod 22, two fixed bars 21 be arranged in parallel, adjusting rod 22 is placed between two fixed bars 21 and two ends and touches with the fixed bar 21 of both sides respectively, the injection molding framework 23 of a strip is enclosed between above-mentioned fixed bar 21 and the inwall of adjusting rod 22 and housing 1, a seam mould 3 is provided with in injection molding framework 23, this seam mould 3 is close to wherein on a fixed bar 21, so just form the core rod of " L " type, the shape of core rod is identical with the frame shape size that will make.Fixed bar 21, adjusting rod 22 are provided with limited block 4 with the gap location of housing 1, are against on fixed bar 21, adjusting rod 22 and housing 1 inside wall.
When slurry is poured among injection molding framework 23, fixed bar 21 and adjusting rod 22 limited piece 4 or housing 1 kept off itself, make injection molding framework 23 form trait stable.The thickness of seam mould 3 is little compared with the thickness of adjusting rod 22, fixed bar 21 and housing 1, and so, when pouring into a mould slurry in injection molding framework 23, slurry can not overflow and after curing molding, frame also can form seam in the lump.
If when the length of the frame made changes, take out the limited block 4 that is resisted against on adjusting rod 22, to slidably reciprocate adjusting rod 22 along fixed bar 21, regulate the length of injection molding framework 23 with this, the limited block 4 again by other groups after having regulated carries out spacing.Now, in order to omit the operation changing seam mould 3, we spy offers a right-angle notch 22a (as shown in Figure 2) on adjusting rod 22, and when adjusting rod 22 rides on a longer seam mould 3, seam mould 3 can just pass from this breach 22a.So, when adjusting rod 22 slidably reciprocates along fixed bar 21, seam mould 3 can remain transfixion state, and whole injection molding framework 23 also can keep its circumferential seal.
If when the width of the frame made changes, now need the adjusting rod 22 selecting other groups, regulate the spacing of two fixed bars 21 to be equipped with suitable limited block 4 again and carry out spacing; Above-mentioned two kinds of control methods combine and can reach the object simultaneously regulating injection molding framework 23 length and width.The side edge frame made and assembled the linking together of top frame can be formed door pocket.
In the present embodiment, fixed bar 21 has two, and adjusting rod 22 only has one, coordinates the sidewall of housing 1 to form injection molding framework 23.Also can get two fixed bars 21 and two adjusting rods 22 enclose alone injection molding framework 23, or be that a fixed bar 21 and an adjusting rod 22 coordinate two sides of upper housing 1 also can realize.
The manufacture method adopting above-mentioned mould to make door pocket by brushing form comprises the steps:
Step 1, prepare the magnesium chloride brine of 25 Baume degrees;
Step 2, prepare chloro-magnesium cement slurry: by magnesia and magnesium chloride brine Homogeneous phase mixing, the ratio of weight and number of magnesia and magnesium chloride brine is 1:1;
The preparation of step 3, modifier, modifier is made up of (parts by weight) following composition and proportioning: barium silicate 3, silicate of soda 2, macromolecule waterproof adhesive powder 16, plaster of Paris 310, bentonite 130, mica powder 75, lithium metasilicate 3, polyvinyl alcohol 5, flocculant 6, French chalk 200, pozzolan 250;
Step 4, prepare mixed slurry 9: in chloro-magnesium cement slurry, add modifier, be stirred to Homogeneous phase mixing, the addition of modifier is 10% of magnesium chloride brine weight in step 2;
Step 5, prepare phenolic foam board 72;
Step 6, make flaggy 6 below: tile one deck alkali-free glass fibre grid cloth 8 bottom counterdie, the edge of grid cloth extends counterdie, then adopt painting way on this layer of alkali-free glass fibre grid cloth 8, brush the mixed slurry 9 of preparation in one deck step 4, then to re-lay after one deck alkali-free glass fibre grid cloth 8 brushing one deck mixed slurry 9 again, so repeat 6 times.
Step 7, placement wooden frame 71; Being pressed in by the square frame-shaped wooden frame 71 made in advance below on flaggy 6, aligns with flaggy 6 edge below in the periphery of wooden frame 71.Wooden frame 71 not only can provide overall structural stability, and frame portion can also improve nail-holding ability when installing hinge, ensure that the safety in use procedure.
Step 8, crimping: will extend each layer alkali-free glass fibre grid cloth 8 turnup to the inside of counterdie in step 6, wrap the periphery of wooden frame 71 and form clad 8a; And on clad 8a, brush the mixed slurry 9 of preparation in step 4, brush each layer fiberglass gridding cloth 8.
Step 9, filling: phenolic foam board 72 obtained in step 5 is filled in the gap of wooden frame 71, to be positioned on the clad 8a moieties into close extruding frame of scuncheon after tight filling, wooden frame 71 and phenolic foam board 72 constitute the therebetween sandwich layer 7 of door pocket;
Step 10, make flaggy 5 above: the layer of glass that tiles bottom patrix grid cloth 8, then adopt painting way on this layer of fiberglass gridding cloth 8, brush the mixed slurry 9 of preparation in one deck step 4, then to re-lay after layer of glass grid cloth 8 brushing one deck mixed slurry 9 again, so repeat 6 times; Because flaggy 5 above without the need to making " L " shape as flaggy below, therefore need the seam mould in patrix to take out, the flaggy 5 above finally made is for dull and stereotyped;
Step 11, matched moulds; Flaggy 5 above obtained for step 10 is renovated to be filled with to step 9 phenolic foam board 72 below on flaggy 6, above the aliging of flaggy 5 and flaggy 6 below;
Step 12, pressing mold; Above and below flaggy (5,6) is compressed and is bonded together securely, phenolic foam board 72 simultaneously with flaggy 5 above and below flaggy 6 link together, the clad 8a on wooden frame 71 is then bonded together (as shown in Figure 3) with flaggy 5 above;
Step 13, the natural curing Post RDBMS demoulding in 15 hours under the condition of interior temperature 25 DEG C, relative air humidity 50%, an obtained frame;
Step 14, repetition above-mentioned steps, obtained all the other several frames;
Step 15, assembled connection, can form door pocket by the side edge frame adopting said method to make successively and assembled the linking together of top frame.
Flaggy 5 above in the present invention and below flaggy 6 all can adopt above-mentioned mould to make, and according to the size of the door pocket that will make, regulate accordingly, meet the making needs of sizes door pocket.But because seam portion is only present in below on flaggy 6, therefore utilizes during flaggy 5 above above-mentioned Mold Making and need seam film 3 to take out, and replace with the adjusting rod 22 without right-angle notch 22a.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.