CN111058565A - Paper-faced concrete prefabricated part free of plastering and manufacturing method thereof - Google Patents
Paper-faced concrete prefabricated part free of plastering and manufacturing method thereof Download PDFInfo
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- CN111058565A CN111058565A CN201911338311.8A CN201911338311A CN111058565A CN 111058565 A CN111058565 A CN 111058565A CN 201911338311 A CN201911338311 A CN 201911338311A CN 111058565 A CN111058565 A CN 111058565A
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- Prior art keywords
- paper
- faced
- plastering
- smooth
- layer
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
- E04C2/06—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres reinforced
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B19/00—Machines or methods for applying the material to surfaces to form a permanent layer thereon
- B28B19/0092—Machines or methods for applying the material to surfaces to form a permanent layer thereon to webs, sheets or the like, e.g. of paper, cardboard
Abstract
The application provides exempt from paper side concrete prefabricated component of plastering, exempt from paper side concrete prefabricated component of plastering include the component main part, the component main part side on the thickness direction is covered with smooth paper surface course outward. The paper face concrete prefabricated component of exempting from to plaster of this application covers the smooth paper face of one deck on the surface of component main part for the prefabricated component surface smoothness of this application has satisfied the japanning requirement, consequently uses the prefabricated component of this application need not plaster and makes level can directly the japanning, effectively reduces the process link and practices thrift the cost, fully satisfies user's user demand.
Description
[ technical field ] A method for producing a semiconductor device
The application relates to the technical field of buildings, in particular to a paper-faced concrete prefabricated part free of plastering and a manufacturing method thereof.
[ background of the invention ]
The precast concrete member is a building member that is previously manufactured in a factory using concrete as a base material. The concrete prefabricated part produced by the prior art has the defects that the surface still has air holes to influence the apparent quality, and the concrete prefabricated part still needs to be plastered and leveled before painting, so that the concrete prefabricated part is inconvenient to use.
[ summary of the invention ]
In order to solve the problems, the application provides a paper-faced concrete prefabricated part free of plastering and a manufacturing method of the paper-faced concrete prefabricated part.
The application is realized by the following technical scheme:
the plastering-free paper-faced concrete prefabricated part comprises a part main body, wherein the side surface of the part main body in the thickness direction is externally coated with a smooth paper-faced layer.
According to the plastering-free paper surface concrete prefabricated component, the smooth paper surface layer comprises the smooth surface and the rough surface which are arranged in a back-to-back mode, and the rough surface of the smooth paper surface layer is connected with the component main body.
The plastering-free paper-faced concrete prefabricated part comprises kraft paper.
The plastering-free paper-faced concrete prefabricated part is characterized in that the smooth paper-faced layer is connected with the part main body through a connecting agent.
The plastering-free paper-faced concrete prefabricated part comprises an interface agent, polyurethane glue, epoxy glue, acrylate glue or phenolic glue.
The application also discloses a manufacturing method of the plastering-free paper surface concrete prefabricated part, which comprises the following steps:
s1, paving a smooth paper surface layer on the die table;
s2, grouting on the mould table paved with the smooth paper surface layer to manufacture a component main body;
and S3, before the member main body is hardened and formed, leveling one side of the member main body, which is back to the mold table, and paving a smooth paper surface layer.
In the method for manufacturing the paper-faced concrete prefabricated part without plastering, in step S1, after the smooth paper-faced layer is laid on the mould table, the connecting agent is coated on the smooth paper-faced layer;
in step S3, the smooth paper surface layer is coated with a bonding agent and then laid on a side of the component main body opposite to the die table.
The method for manufacturing the plastering-free paper-faced concrete prefabricated part comprises the following steps of using the connecting agent to form a connecting layer, and using the connecting agent to connect the paper-faced concrete prefabricated part with the paper-faced concrete prefabricated part.
In the method for manufacturing the paper-faced concrete prefabricated part without plastering, in step S1, after the smooth paper-faced layer is laid on the mould table, water is coated on the smooth paper-faced layer;
in step S3, the smooth paper surface layer is coated with water and then laid on the side of the component main body opposite to the die table.
In the method for manufacturing the plastering-free paper-faced concrete prefabricated part, in step S1, the smooth paper-faced layer is attached to the mold table by moisture.
Compared with the prior art, the method has the following advantages:
the paper face concrete prefabricated component of exempting from to plaster of this application covers the smooth paper face of one deck on the surface of component main part for the prefabricated component surface smoothness of this application has satisfied the japanning requirement, consequently uses the prefabricated component of this application need not plaster and makes level can directly the japanning, effectively reduces the process link and practices thrift the cost, fully satisfies user's user demand.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below.
FIG. 1 is a schematic cross-sectional structure view of a plastering-free paper-faced concrete prefabricated part;
fig. 2 is a schematic perspective view of a paper-faced concrete prefabricated part free from plastering.
[ detailed description ] embodiments
In order to make the technical problems, technical solutions and advantageous effects solved by the present application more clear and obvious, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
When the embodiments of the present application refer to ordinal numbers such as "first", "second", etc., it should be understood that the terms are used for distinguishing only when the context clearly indicates that the order is changed.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The plastering-free paper-faced concrete prefabricated part as shown in fig. 1 and 2 comprises a member body 1 made of reinforced concrete, and a smooth paper facing layer 2 for matching with paint is coated on the side surface of the member body 1 in the thickness direction. The paper-faced concrete prefabricated component of exempting from to plaster of this embodiment covers the smooth paper of one deck on the surface of component main part for the prefabricated component surface smoothness of this embodiment has satisfied the japanning requirement, consequently uses the prefabricated component of this embodiment need not plaster and makes level can directly the japanning, effectively reduces the process link and practices thrift the cost, fully satisfies user's user demand.
In order to stably attach the smooth paper surface layer 2 to the member body 1, the smooth paper surface layer 2 needs to be attached to the member body 1 before the member body 1 is hardened and formed, and in order to more stably attach the smooth paper surface layer 2 to the member body 1, the smooth paper surface layer 2 includes a smooth surface and a rough surface which are opposite to each other, the rough surface of the smooth paper surface layer 2 is connected to the member body 1, and the rough surface of the smooth paper surface layer 2 can be more easily combined with concrete aggregate, so that the smooth paper surface layer 2 is more stably attached to the member body 1.
Specifically, in order to ensure that the surface smoothness and toughness of the smooth paper face layer 2 meet the painting requirements, kraft paper is used for the smooth paper face layer 2.
In order to effectively connect the glossy paper surface layer 2 to the component body, the glossy paper surface layer 2 is connected to the component body 1 by a connecting agent. Specifically, the connecting agent can be an interface agent, a polyurethane adhesive, an epoxy adhesive, an acrylate adhesive, a phenolic adhesive or the like, and preferably, the interface agent is used as the connecting agent. The interface agent can be penetrated and bonded bidirectionally, produces radioactive chain type anchoring effect to bond the bidirectional materials together permanently and firmly, has high softness, toughness and good air permeability, is freeze-thaw resistant, water-resistant and ageing-resistant, is non-toxic, tasteless and pollution-free, is a green and environment-friendly product, has good acid-base resistance and weather resistance, good adaptability and affinity with acid and base materials, can be constructed and hardened in a humid environment, and is simple, convenient and quick to construct. Of course, the smooth paper surface layer may be directly bonded to the uncured member body without applying a bonding agent or may be directly bonded to the uncured member body only by applying moisture to the smooth paper surface layer.
The embodiment also provides a manufacturing method of the plastering-free paper-faced concrete prefabricated part, which comprises the following steps:
and S1, paving the smooth paper surface layer 2 on the die table.
In this step, the smooth paper surface layer 2 is laid on the mold table conveniently and stably, and the smooth paper surface layer 2 is attached to the mold table through moisture. After the smooth paper surface layer 2 is paved on a mould platform, a connecting agent is coated on the smooth paper surface layer 2, so that the smooth paper surface layer 2 on the mould platform can be stably adhered to the concrete member main body subsequently. Of course, in this step, the smooth paper surface layer 2 may be directly connected to the unhardened component body without coating a connecting agent, or may be directly connected to the unhardened component body after coating only moisture, and after the component body is hardened and formed, the smooth paper surface layer 2 on the mold table may be integrally formed with the component body.
And S2, grouting on the mould table paved with the smooth paper surface layer 2 to manufacture the component main body 1.
And S3, before the member main body 1 is hardened and formed, the side of the member main body 1, which is back to the mould table, is scraped and a smooth paper surface layer 2 is laid.
In the step, in order to more stably adhere the smooth paper surface layer 2 to the member main body, the smooth paper surface layer 2 is coated with a connecting agent and then is laid on one side of the member main body 1, which is back to the mold table, through a roller. Of course, in this step, the smooth paper surface layer 2 may be directly laid on the member main body without coating a connecting agent, or may be laid on the member main body after only coating moisture, and after the member main body is hardened and formed, the smooth paper surface layer 2 and the member main body can be integrally formed.
The working principle of the embodiment is as follows:
the paper-faced concrete prefabricated component of exempting from to plaster of this embodiment covers the smooth paper of one deck on the surface of component main part for the prefabricated component surface smoothness of this embodiment has satisfied the japanning requirement, consequently uses the prefabricated component of this embodiment need not plaster and makes level can directly the japanning, effectively reduces the process link and practices thrift the cost, fully satisfies user's user demand.
The foregoing is illustrative of the various embodiments provided in connection with the detailed description and the specific implementations of the application are not intended to be limited to the illustrations. Similar or identical methods, structures, etc. as used herein, or several technical deductions or substitutions made on the premise of the idea of the present application, should be considered as the protection scope of the present application.
Claims (10)
1. The plastering-free paper-faced concrete prefabricated part comprises a part main body (1), and is characterized in that the side face of the part main body (1) in the thickness direction is externally coated with a smooth paper-faced layer (2).
2. The plastering-free paper-faced concrete prefabricated part according to claim 1, wherein the smooth paper-faced layer (2) comprises a smooth surface and a rough surface which are arranged oppositely, and the rough surface of the smooth paper-faced layer (2) is connected with the member body (1).
3. The plastering-free paper faced concrete precast element according to claim 2, wherein the smooth paper facing layer (2) comprises kraft paper.
4. The plastering-free paper-faced concrete prefabricated part according to claim 2, wherein the smooth paper-faced layer (2) is connected with the member body (1) by a joining agent.
5. The plastering-free paper-faced concrete prefabricated part according to claim 4, wherein the bonding agent comprises an interfacial agent, polyurethane glue, epoxy glue, acrylate glue or phenolic glue.
6. The manufacturing method of the paper-faced concrete prefabricated part without plastering is characterized by comprising the following steps of:
s1, paving a smooth paper surface layer (2) on the die table;
s2, grouting on a mould table paved with the smooth paper surface layer (2) to manufacture a component main body (1);
s3, before the member main body (1) is hardened and formed, one side of the member main body (1) back to the die table is scraped flat and a smooth paper surface layer (2) is laid.
7. The method for making a paper-faced concrete precast element free of plastering according to claim 6, wherein in the step S1, after the smooth paper-faced layer (2) is laid on the mould table, a connecting agent is coated on the smooth paper-faced layer (2);
in step S3, the smooth paper surface layer (2) is coated with a bonding agent and then laid on the side of the component main body (1) opposite to the die table.
8. The method for making a plastering-free paper-faced concrete prefabricated part according to claim 7, wherein the bonding agent comprises an interfacial agent, polyurethane glue, epoxy glue, acrylate glue or phenolic glue.
9. The method for making a paper-faced concrete precast element free of plastering according to claim 6, wherein in the step S1, after the smooth paper-faced layer (2) is laid on the die bed, moisture is applied to the smooth paper-faced layer (2);
in step S3, the smooth paper surface layer (2) is coated with moisture and then laid on the side of the component main body (1) opposite to the die table.
10. The method for making a plastering-free paper-faced concrete prefabricated part according to claim 6, wherein in the step S1, the smooth paper-faced layer (2) is adhered to the mold bed by moisture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911338311.8A CN111058565A (en) | 2019-12-23 | 2019-12-23 | Paper-faced concrete prefabricated part free of plastering and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911338311.8A CN111058565A (en) | 2019-12-23 | 2019-12-23 | Paper-faced concrete prefabricated part free of plastering and manufacturing method thereof |
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| CN111058565A true CN111058565A (en) | 2020-04-24 |
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| CN201911338311.8A Pending CN111058565A (en) | 2019-12-23 | 2019-12-23 | Paper-faced concrete prefabricated part free of plastering and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112225870A (en) * | 2020-10-15 | 2021-01-15 | 北京理工大学 | Preparation method of bonding-free polyurethane lining die |
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2019
- 2019-12-23 CN CN201911338311.8A patent/CN111058565A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112225870A (en) * | 2020-10-15 | 2021-01-15 | 北京理工大学 | Preparation method of bonding-free polyurethane lining die |
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