阅读说明：本技术 塑钢门窗型材及其生产工艺 (Plastic-steel door and window section bar and production process thereof ) 是由 耿鑫娟 于 2020-03-28 设计创作，主要内容包括：本发明涉及一种塑钢门窗型材及其生产工艺,涉及门窗型材技术领域,塑钢门窗型材包括型材基体,型材基体内部设有空腔,所述型材基体的装饰面贴合设置有金属防护层,所述型材基体内部空腔中固定有与空腔轮廓配合的金属支撑和塑料材质的防火支撑件,金属防护层、型材基体、金属支撑以及防火支撑件熔固为一体；生产工艺包括配料、混料加热、挤出定型、组装、加热固化。该发明具有延长塑钢门窗使用寿命的优点。(The invention relates to a plastic-steel door and window profile and a production process thereof, and relates to the technical field of door and window profiles, wherein the plastic-steel door and window profile comprises a profile base body, a cavity is arranged in the profile base body, a metal protective layer is attached to the decorative surface of the profile base body, a metal support matched with the outline of the cavity and a fireproof support piece made of plastic material are fixed in the cavity in the profile base body, and the metal protective layer, the profile base body, the metal support and the fireproof support piece are fused into a whole; the production process comprises the steps of material proportioning, material mixing and heating, extrusion and shaping, assembly and heating and curing. The invention has the advantage of prolonging the service life of the plastic-steel door and window.)

1. The utility model provides a plastic-steel door and window section bar, includes the section bar base member, the inside cavity that is equipped with of section bar base member, its characterized in that: the decorative surface of the profile base body is provided with a metal protective layer in an attaching mode, a metal support matched with the outline of the cavity and a fireproof support piece made of plastic are fixed in the cavity in the profile base body, and the metal protective layer, the profile base body, the metal support and the fireproof support piece are fused into a whole.

2. The plastic-steel door and window profile of claim 1, wherein: the wall thickness of the profile base body positioned at the periphery of the cavity is 1.5-2.5mm, the wall thickness of the fireproof support piece is 0.7-1.5mm, the wall thickness of the metal support 5 is 1-1.5mm, and the thickness of the protective layer is 0.3-1 mm; the thickness ratio of the protective layer, the profile base body, the metal support and the fireproof support piece is 1: 2-5: 1-3: 1 to 2.

3. The plastic-steel door and window profile of claim 2, wherein: the metal support is a porous steel plate.

4. A process for producing a plastic-steel door and window profile according to any one of claims 1 to 3, wherein: the method comprises the following steps:

s1: preparing materials: preparing the following raw materials, by weight, 60-70 parts of polyvinyl chloride, 10-15 parts of silicon nitride, 10-20 parts of ethyl acetate, 10-20 parts of silicon carbide whisker, 5-10 parts of calcium carbonate, 10-24 parts of a composite plasticizer, 3-5 parts of mica powder, 2-6 parts of glass fiber, 5-8 parts of nano silicon dioxide, 2-4 parts of a titanate coupling agent and 5-8 parts of diethylene glycol dibenzoate;

s2: mixing and heating:

s21: heating the polyvinyl chloride and the silicon nitride at the temperature of 240 ℃ at 220 ℃, adding the silicon carbide crystal whisker, the calcium carbonate, the mica powder and the nano-silica after the polyvinyl chloride and the silicon nitride are completely melted, and uniformly stirring to obtain a mixture A;

s22: adding the magnesium hydroxide and the aluminum hydroxide into ethyl acetate, then ultrasonically dispersing uniformly, adding the titanate coupling agent with the weight, and continuously dispersing uniformly to obtain a mixture B;

s23: adding the mixture B obtained in the step S22 into the mixture A obtained in the step S21, adding the diethylene glycol dibenzoate with the weight, and uniformly stirring at the temperature of 190 ℃ and 200 ℃ and under the pressure of 8-10MPa to obtain a mixture C;

s3: extrusion and shaping: extruding the mixture C obtained in the step S22 into a section with a required shape through a die head by using an extruder at the temperature of 170-175 ℃ and under the pressure of 18-22MPa, and cooling to obtain a section matrix;

s4: assembling: clamping a prefabricated protective layer on the exposed surface of the profile base body during installation, and respectively inserting a metal support and a fireproof support piece into a cavity of the profile base body to form a semi-finished product of the plastic-steel door and window profile;

s5: heating and curing: and (5) heating and fusing the semi-finished product of the plastic-steel door and window profile obtained in the step (S4) into a whole under vacuum, and then discharging and cooling to room temperature.

5. The production process of the plastic-steel door and window profile according to claim 4, wherein the production process comprises the following steps: further comprising the steps of:

s6: film pasting and cutting: and (5) pasting a PVC (polyvinyl chloride) film on the surface of the protective layer of the discharged plastic-steel door and window profile in the step S5, and then cutting the protective layer on a cutting machine according to the required size.

6. The production process of the plastic-steel door and window profile according to claim 4, wherein the production process comprises the following steps: the composite plasticizer consists of magnesium hydroxide and aluminum hydroxide in a ratio of 1: 1.

7. The production process of the plastic-steel door and window profile according to claim 4, wherein the production process comprises the following steps: in the step S21, the stirring speed is 250-300r/min, and the stirring time is 50-70 min.

8. The production process of the plastic-steel door and window profile according to claim 4, wherein the production process comprises the following steps: and in the step S3, the section is cooled at the vacuum value of 0.03-05 MPa.

Technical Field

The invention relates to the technical field of door and window profiles, in particular to a plastic-steel door and window profile and a production process thereof.

Background

The plastic-steel door and window is made up by using polyvinyl chloride (UPVC) resin as main raw material, adding a certain proportion of stabilizing agent, colouring agent, filling agent and UV-ray absorbent, extruding and forming into material, then cutting, welding or screw-jointing so as to obtain the door and window frame sash.

Disclosure of Invention

One of the objectives of the present invention is to provide a plastic-steel door/window profile, which has the advantage of increasing the service life of the door/window.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a mould steel door and window section bar, includes the section bar base member, the inside cavity that is equipped with of section bar base member, the decorative cover laminating of section bar base member is provided with the metal protection layer, be fixed with in the inside cavity of section bar base member with cavity profile complex metal support and the fire prevention support piece of plastics material, metal protection layer, section bar base member, metal support and fire prevention support piece melt and solidify as an organic whole.

Through adopting above-mentioned technical scheme, the compressive strength of section bar base member has been increased to the metal support, and the inoxidizing coating has increased the ultraviolet resistance ability of section bar base member, is difficult for ageing, prolongs the life of door and window section bar. The protective layer and the metal support are respectively fused with the base body of the profile base body into a whole, so that the overall strength is improved by 20%. The protective layer and the metal support improve the fire-resistant time of the door and window section bar, the door and window can keep the stability for a long time when a fire disaster happens, and precious time is won for escaping. The metal support is covered by the profile base body and the fireproof support piece, still looks like a plastic steel piece from the outside, is not easily influenced by the external damp environment when being stored and used, and prolongs the service life.

The present invention in a preferred example may be further configured to: the wall thickness of the profile base body positioned at the periphery of the cavity is 1.5-2.5mm, the wall thickness of the fireproof support piece is 0.7-1.5mm, the wall thickness of the metal support 5 is 1-1.5mm, and the thickness of the protective layer is 0.3-1 mm; the thickness ratio of the protective layer, the profile base body, the metal support and the fireproof support piece is 1: 2-5: 1-3: 1 to 2.

By adopting the technical scheme, the door and window section bar has thinner wall thickness under the conditions of higher strength and ultraviolet resistance, the plastic material consumption is reduced, and the raw material is saved.

The present invention in a preferred example may be further configured to: the metal support is a porous steel plate.

Through adopting above-mentioned technical scheme, when section bar base member and fire prevention support piece fuse with porous steel sheet respectively, the section bar base member passes through the jogged joint of steel sheet with fire prevention support piece and is in the same place, further avoids door and window to receive external force at porous steel sheet department fracture.

The invention also aims to provide a production process of the plastic-steel door and window profile, and the manufactured door and window has the advantage of long service life.

The second aim of the invention is realized by the following technical scheme:

a production process of a plastic-steel door and window profile comprises the following steps:

s1: preparing materials: preparing the following raw materials, by weight, 60-70 parts of polyvinyl chloride, 10-15 parts of silicon nitride, 10-20 parts of ethyl acetate, 10-20 parts of silicon carbide whisker, 5-10 parts of calcium carbonate, 10-24 parts of a composite plasticizer, 3-5 parts of mica powder, 2-6 parts of glass fiber, 5-8 parts of nano silicon dioxide, 2-4 parts of a titanate coupling agent and 5-8 parts of diethylene glycol dibenzoate;

s2: mixing and heating:

s21: heating the polyvinyl chloride and the silicon nitride at the temperature of 240 ℃ at 220 ℃, adding the silicon carbide crystal whisker, the calcium carbonate, the mica powder and the nano-silica after the polyvinyl chloride and the silicon nitride are completely melted, and uniformly stirring to obtain a mixture A;

s22: adding the magnesium hydroxide and the aluminum hydroxide into ethyl acetate, then ultrasonically dispersing uniformly, adding the titanate coupling agent with the weight, and continuously dispersing uniformly to obtain a mixture B;

s23: adding the mixture B obtained in the step S22 into the mixture A obtained in the step S21, adding the diethylene glycol dibenzoate with the weight, and uniformly stirring at the temperature of 190 ℃ and 200 ℃ and under the pressure of 8-10MPa to obtain a mixture C;

s3: extrusion and shaping: extruding the mixture C obtained in the step S22 into a section with a required shape through a die head by using an extruder at the temperature of 170-175 ℃ and under the pressure of 18-22MPa, and cooling to obtain a section matrix;

s4: assembling: clamping a prefabricated protective layer on the exposed surface of the profile base body during installation, and respectively inserting a metal support and a fireproof support piece into a cavity of the profile base body to form a semi-finished product of the plastic-steel door and window profile;

s5: heating and curing: and (5) heating and fusing the semi-finished product of the plastic-steel door and window profile obtained in the step (S4) into a whole under vacuum, and then discharging and cooling to room temperature.

The present invention in a preferred example may be further configured to: further comprising the steps of:

s6: film pasting and cutting: and (5) pasting a PVC (polyvinyl chloride) film on the surface of the protective layer of the discharged plastic-steel door and window profile in the step S5, and then cutting the protective layer on a cutting machine according to the required size.

Through adopting above-mentioned technical scheme, the door and window of production has good compressive capacity and ultraviolet resistance ability, and average bulk density is lower.

The present invention in a preferred example may be further configured to: the composite plasticizer consists of magnesium hydroxide and aluminum hydroxide in a ratio of 1: 1.

Through adopting above-mentioned technical scheme, structure retentivity is good when the wall thickness attenuate during the shaping of section bar base member, is difficult for taking place to warp, is favorable to follow-up inoxidizing coating card to be fixed and the metal support inserts, reduces the operation degree of difficulty. In addition, the protective layer is high in adhesion with the metal support and the profile base body, residual gas in the middle is less, and the door and window structure is not easy to damage due to the fact that bubbles are not generated when the protective layer is integrally heated and fused.

The present invention in a preferred example may be further configured to: in the step S21, the stirring speed is 250-300r/min, and the stirring time is 50-70 min.

By adopting the technical scheme, the materials are uniformly mixed, and the manufactured profile matrix has uniform performance during extrusion.

The present invention in a preferred example may be further configured to: and in the step S3, the section is cooled at the vacuum value of 0.03-05 MPa.

By adopting the technical scheme, the shape retentivity is good and the sectional material is not easy to deform in the cooling process.

In summary, the invention includes at least one of the following beneficial technical effects:

1. the protective layer and the metal support are respectively fused with the base body of the profile base body into a whole, so that the overall strength is improved by 20%;

2. the fireproof time of the door and window section is prolonged by the protective layer and the metal support, the door and window can keep stability for a long time when a fire disaster happens, and valuable time is saved for escape;

3. the protective layer increases the ultraviolet resistance of the profile base body, is not easy to age, and prolongs the service life of the door and window profile.

Drawings

FIG. 1 is a schematic view of an overall structure of the embodiment;

FIG. 2 is a schematic cross-sectional view of a glass press according to an embodiment;

FIG. 3 is a schematic cross-sectional view of a first frame according to an embodiment;

fig. 4 is a schematic structural cross-sectional view of a second frame in accordance with a first embodiment.

In the figure: 1. a glass press; 11. a pressing member body; 111. positioning a groove; 12. a straight plate; 121. a hook; 13. a clamping end; 14. a seal member clamp groove; 15. a first protective layer; 151. an elastic portion; 152. positioning the convex ribs; 2. a first frame; 21. a first frame body; 22. a second protective layer; 3. a second frame; 31. a second frame body; 32. a third protection layer; 4. a fire-resistant support; 41. a support frame; 42. reinforcing ribs; 5. and (4) supporting by metal.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.