CN205466680U

CN205466680U - A mould for preparing magnesium oxide stand

Info

Publication number: CN205466680U
Application number: CN201620266053.2U
Authority: CN
Inventors: 李成生; 姚凯
Original assignee: SHENYANG RUNDA CHEMICAL INDUSTRY Co Ltd
Current assignee: SHENYANG RUNDA CHEMICAL INDUSTRY Co Ltd
Priority date: 2016-04-03
Filing date: 2016-04-03
Publication date: 2016-08-17
Anticipated expiration: 2026-04-03

Abstract

The utility model provides a mould for preparing magnesium oxide stand which the technical essential is: the mould is located bottom plate and L shape roof between curb plate I and the curb plate II including relative curb plate I and the curb plate II who sets up, but curb plate I in between the bottom plate, between curb plate II and the bottom plate, be equipped with the corner fittings I and the corner fittings II of a pair of relative rotation of mutually supporting between L shape roof and the curb plate II respectively, the curb plate I, bottom plate, curb plate II and the L shape roof that set gradually through corner fittings I and corner fittings II enclose into hollow columnar structure, are free stem to describe silica gel through magnet is spacing on the hollow columnar structure inner wall, constitute the fastening end between L shape roof and the curb plate I, the fastening end is through the magnet fastening. Fundamentally has solved present stand of the same kind artificial preparation process complicacy, low, relatively poor, the not high scheduling problem of toughness of intensity of productivity.

Description

For preparing the mould of magnesium oxide column

Technical field

This utility model relates to a kind of artificial column, specifically one flower corridor column and production method thereof.

Background technology

It is known that magnesite product is air hardening cementitious materials, its three prominent big defects are: the easy damp suction surface halide accumulation of goods, Resistance to water buckling deformation poor, easy, especially this problem of damp suction surface halide accumulation, seriously constrain sending out of product quality and industry Exhibition.MgO/MgCl due to magnesite board slip₂Mass ratio is 4～6, inevitably contains the free of excess in such system MgCl₂, and free MgCl₂Being strong hygroscopic agent, it meets the wet moisture being absorbed by air, makes the surface of goods get wet, bear water Pearl, globule trickling time serious, here it is so-called damp suction surface halide accumulation.Damp suction surface halide accumulation not only can affect the decorative effect of indoor, more main Want is the intensity reducing goods, shortens the service life of goods.For solving problem above, prior art once used water soaking Technique removes the free MgCl in goods₂.But, this production technology not only can accelerate the early stage hydrolysis of goods, destroys goods Mineral structure, reduces the intensity of goods；And, the sewage after immersion is (containing free MgCl₂) externally directly discharge can pollute ring Border.Additionally, due to add immersion operation, increase labor intensity, make complex manufacturing, reduce production efficiency.Especially At the plum rain season in the south of the River, a run of wet weather, the dry in the sun of goods is little to realize.

As disclosed in the patent of invention that Authorization Notice No. is CN102733332B " preparation method of a kind of isolated gate column ", Comprise the following steps: 1) it is configured to, with water dissolution halogen powder, the MgCl that concentration is 23 ~ 30wt%₂；2) toward salt adds sawdust and Magnesium oxide, is uniformly mixing to obtain slip, and wherein salt and magnesium oxide mass ratio are 0.48 ~ 0.66:1；3) by bamboo reinforcement by step 1 The salt of preparation soaks more than 2 hours, loose to gained bamboo reinforcement and sponge stick is wrapped in glass-fiber-fabric, then outside glass-fiber-fabric Wrap non-woven fabrics, obtain compound bar；4) compound bar and slip are filled in crust, slip glass-fiber-fabric to be full of, bamboo reinforcement and sea Space between continuous rod, stands, obtains cylinder；5) silk screen fixed position is fixedly connected on cylinder lateral surface；6) be dried 7 days with On.But, the method processing step is the most loaded down with trivial details, and drying time is long, is unfavorable for improving production efficiency.

Utility model content

The purpose of this utility model is to provide a kind of flower corridor column, fundamentally solves the problems referred to above, and it has preparation Process is simple, preparation efficiency is high, prepare gained column strength big toughness advantages of higher.

For achieving the above object, this utility model provides following technical scheme: this mould being used for preparing magnesium oxide column Tool, is characterized in that: described mould includes side plate I and the side plate II being oppositely arranged, the end between side plate I and side plate II Plate and L-shaped top board；At side plate I between base plate, between side plate II and base plate, be respectively equipped with between L-shaped top board and side plate II The corner fittings I rotated against cooperated for a pair and corner fittings II；The side plate I that set gradually by corner fittings I and corner fittings II, the end Plate, side plate II and L-shaped top board surround open column shape structure, and open column shape inner structural wall has open column shape by Magnet is spacing Silica gel；Constituting fastening end between L-shaped top board and side plate I, magnet fastening is passed through in fastening end.

The beneficial effects of the utility model: by preparing column mould to be opened/closed, substitute original cast molding method, Not only increase preparation efficiency.Can as required, the convenient wall thickness adjusting column and intensity.Controllability is strong, on the one hand can pass through Wall thickness adjusts product intensity, on the other hand can control product intensity by the drying time before the demoulding.Many by successively fitting Hole glass fibre, is effectively increased the toughness of finished product column.Mould structure is simple, by cooperating of can rotating against for a pair Corner fittings I and corner fittings II grinding tool four wall is surrounded open column shape structure, eliminate in casting method complicated mould molding.Pass through Mould mouth is sealed by Magnet, facilitates follow-up stripping operation, and preparation efficiency is high, and stripping result is good.

Accompanying drawing explanation

Fig. 1 is the isometry side-looking structural representation that this utility model mould uses state；

Fig. 2 is isometry side-looking structural representation during Fig. 1 deployed condition；

Fig. 3 is the side-looking structural representation of Fig. 1.

Description of reference numerals:

In Fig. 3: 1 corner fittings I, 2 corner fittings II, 3 side plate I, 4 base plates, 5 side plate II, 6L shape top boards.

Detailed description of the invention

Below in conjunction with Fig. 1 ~ 3, describe particular content of the present utility model in detail by specific embodiment.This flower corridor column by Following components is prepared from:

Magnesium chloride solution (concentration 16 ~ 28wt%) 80 ~ 100 weight portions

Magnesium oxide 100 weight portion

Magnesite modification agent 8 and No. 12 10.8 ~ 12.0 weight portions of magnesite modification agent

Iron sesquioxide is or/and ferroso-ferric oxide 3.8 ~ 25.44 weight portion

Wood flour 1.95 ~ 2.37 weight portion

Emulsified silicone oil 0.97 ~ 3.56 weight portion.

Embodiment 1

Its production method comprises the following steps:

Step 1) makes mould.

Step a) prepares three corner fittings I 1 rotated against to cooperating and corner fittings II 2, wooden standby four pieces of electricity consumption Mould sheet material (side plate I 3, side plate II 5, base plate 4, L-shaped top board 6).

Four blocks of mould sheet materials are arranged by step b) at equal intervals, be respectively mounted between adjacent molds sheet material cooperate can The corner fittings I rotated against and corner fittings II.

Step c) is 90 ° by make corner fittings I and corner fittings II rotate against making the angle between adjacent sheet metal, by four pieces of moulds Sheet material surrounds open column shape structure, arranges fastening end wherein, arrange a pair on fastening end between a pair adjacent molds sheet material Magnet (not shown), fastens mould sheet material.

Step d) arranges open column shape silica gel (not shown), at silica gel inwall at open column shape structure inner close fitting inwall On the column structure outer wall above surrounded with mould sheet material, pair of magnet is set, by spacing for silica gel on mould sheet material inwall.

Step 2) in silica gel inner surface release agent application；If silicon series is (such as silicone compounds, silicone oil, silicones methyl Branched chain silicone, methyl-silicone oil, emulsifying methyl-silicone oil, hydrogeneous methyl-silicone oil, silicone grease, silicones, silicone rubber, silicone rubber toluene are molten Liquid)；Wax series (such as plant animal wax, synthesis paraffin, microcrystalline wax, Tissuemat E etc.)；Fluorine series is (such as politef, fluorine Toner, fluorine resin coating)；Surfactants (such as anionic property metallic soap, EO, nonionic PO derivant)；Poly- Ether series (such as polyethers and fatty oil mixture).

Step 3) modulation magnesia cement.

35 DEG C of warm water are added in container by step a), add magnesium chloride, make the chlorination that concentration is 16wt% under stirring condition Magnesium solution 80kg.

Under step b) stirring condition, 100kg magnesium oxide is joined in 80kg magnesium chloride solution, obtains mixed solution I 180kg。

Under step c) stirring condition, in mixed solution I, add magnesite modification agent 8 (GX-8), magnesite modification agent 12 (GX-12) each 5kg, obtains mixed solution I I.

Under step d) stirring condition, the iron sesquioxide adding mixed solution I I total amount 5.16kg in mixed solution I I is adjusted Color, the emulsified silicone oil (as defoamer) of mixed solution I I total amount 0.97kg and the wood flour of mixed solution I I total amount 1.95kg, Obtain magnesia cement.

The magnesia cement modulated is spread upon on mould inner wall by step 4), is the fiberglass gridding cloth of 1cm by pitch-row Being fitted on mould inner wall, repeatedly smearing magnesia cement and laminating fiberglass gridding cloth, until obtaining required thickness.

Step 5) mould is placed in dry place solidify the demoulding after about 8h (such as maximum intensity to be reached, then need to solidify 7 days with On), get product.

Embodiment 2

In magnesia cement, magnesium chloride solution concentration is 28wt%, and input amount is 100kg；Magnesium oxide input amount is constant is still 100kg；No. 8 input amounts of magnesite modification agent are 3kg, and No. 12 input amounts of magnesite modification agent are 8kg；Wood flour input amount is 2.37kg； Emulsified silicone oil input amount is 3.56kg；Ferric oxide powder replaces with ferroferric oxide powder, and input amount is 15.24kg. Preparation process is with embodiment 1.

As the ferrum oxide (iron sesquioxide or/and ferroso-ferric oxide) of toner, can change according to product needed, profit Product is mixed colours by the color intrinsic with ferrum oxide self, and puts into ferrum oxide and be equally beneficial for improving the intensity of column.As breast SiClx oil also can be replaced other similar defoamer quality with raising product, controls production cost simultaneously.

Claims

1. the mould being used for preparing magnesium oxide column, it is characterised in that: described mould includes side plate I and the side being oppositely arranged Plate II, the base plate between side plate I and side plate II and L-shaped top board；At side plate I between base plate, side plate II and base plate it Between, be respectively equipped with a pair the corner fittings I rotated against and corner fittings II cooperated between L-shaped top board and side plate II；Pass through angle Side plate I, base plate, side plate II and the L-shaped top board that part I and corner fittings II sets gradually surrounds open column shape structure, and open column shape is tied Open column shape silica gel is had by Magnet is spacing on structure inwall；Constituting fastening end between L-shaped top board and side plate I, magnetic is passed through in fastening end Very tight solid.