CN112060270A - Method for pouring and molding PPVC module through external mold - Google Patents
Method for pouring and molding PPVC module through external mold Download PDFInfo
- Publication number
- CN112060270A CN112060270A CN202010680526.4A CN202010680526A CN112060270A CN 112060270 A CN112060270 A CN 112060270A CN 202010680526 A CN202010680526 A CN 202010680526A CN 112060270 A CN112060270 A CN 112060270A
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- members
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- ppvc module
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Classifications
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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
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/002—Producing shaped prefabricated articles from the material assembled from preformed elements
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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
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
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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
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0088—Moulds in which at least one surface of the moulded article serves as mould surface, e.g. moulding articles on or against a previously shaped article, between previously shaped articles
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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
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/22—Moulds for making units for prefabricated buildings, i.e. units each comprising an important section of at least two limiting planes of a room or space, e.g. cells; Moulds for making prefabricated stair units
Abstract
A method for casting and molding a PPVC (polypropylene vinyl chloride) module through an external mold relates to the technical field of civil engineering PPVC building, and comprises the following steps of 1, casting and molding a side member through a mold A, prefabricating and molding a part of bottom surface member at the bottom end of the side member to the inner side, and prefabricating and molding a part of rear surface member at the rear end of the side member to the inner side; and 2, relatively fixing the 2 prefabricated side members through a mold B, pouring a top surface member between the top ends of the side members, pouring and molding all rear members between a part of rear members, and pouring and molding all bottom members between a part of bottom members. The PPVC module is formed by external mold casting, has the advantages of high precision, high efficiency, firm connection among all components and tight connection among all casting steps, and lays a foundation for the subsequent installation of the PPVC module.
Description
Technical Field
The invention relates to the technical field of civil engineering PPVC building, in particular to a method for pouring and molding a PPVC module through an external mold.
Background
The modular building (PPVC for short) means that the building is divided into a plurality of space modules, all devices, pipelines, decoration and fixed furniture in the modules are made, and the decoration of the outer facade can be finished. The module components are transported to a construction site, and the building assembled together just like building blocks is a high-end product of building industrialization and has high integrity.
As is well known, the construction site in the traditional construction field has environmental problems which are difficult to overcome, such as excessive dust, noise, water pollution, light source pollution, slurry treatment in the casting site, toxic and harmful smoke and waste gas treatment, densely-packed cylinders and high-altitude wastes, toxic and harmful soil backfill, mechanical vibration, garbage generated by personnel activities and the like, although various environmental laws and regulations are clearly specified in the building law and related construction regulations, the implementation of truly qualified and qualified regulations is very difficult.
The PPVC technology can effectively reduce various pollutions to the site caused by traditional building construction, and as most building components in the PPVC technology are finished in factories and only need to be hoisted and assembled in site construction operation, the unsolvable environmental problems can be easily solved, and the fact proves that the PPVC building has little pollution to the environment.
On the other hand, the PPVC technology has a plurality of advantages, such as high construction speed, and the construction period can be shortened by 50-70% compared with a large-plate building; the assembly degree is high (the assembly degree can reach more than 85 percent), most of the construction work, including installation of facilities such as water, heating, electricity, sanitation and the like and house decoration, is completed by moving to a factory, and the construction site can be used only by hoisting the rest components, processing nodes and connecting pipelines; unique assembly structure makes things convenient for later stage enlargement.
The pouring of the PPVC module is divided into inner die pouring and outer die pouring, wherein the outer die pouring needs to be completed by being divided into a plurality of steps, and the PPVC module has the advantages of simple construction, large operation space of workers, easy control of the quality of components and flexible operation.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a method for pouring and molding a PPVC module through an external mold, and aims to improve the pouring efficiency of the PPVC module and the linking degree among the steps, so that the connection strength among the components is further improved, and finally the precision of the PPVC module is improved.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a PPVC module is cast and molded through an external mold, which comprises the steps of 1, casting and molding a side member through a mold A, prefabricating and molding a part of bottom surface member at the bottom end of the side member to the inner side, and prefabricating and molding a part of rear surface member at the rear end of the side member to the inner side; and 2, relatively fixing the 2 prefabricated side members through a mold B, pouring a top surface member between the top ends of the side members, pouring and molding all rear members between a part of rear members, and pouring and molding all bottom members between a part of bottom members.
Preferably, in step 1, the side members are provided with transverse steel bars and vertical steel bars, wherein the upper ends of the vertical steel bars extend inwards along the top ends of the inner side walls of the side members to form top member engagement portions; the lower ends of the vertical steel bars extend inwards along the bottom end of the inner side wall of the side surface component, penetrate through the inner side ends of a part of bottom surface components and extend inwards to form a bottom surface component connecting part; the rear ends of the transverse reinforcing steel bars extend inwards along the rear ends of the inner wall surfaces of the side members, penetrate through the inner side ends of a part of rear members and extend inwards to form rear member connecting parts.
Preferably, in step 2, a window is reserved on the middle upper part of the rear member through the mold B, and the joining part of the rear member is matched with the shape of the rear member.
Preferably, in step 1, a flange integrally formed with the side member is further cast by a mold a at an end of the top member joining portion facing the side member, the flange is used for restraining the top member joining portion from being horizontally arranged, and a top end surface of the flange is flush with a top end of the side member.
Preferably, in step 1, the outer surface of the side member is further cast by a mold a to reserve an installation groove.
Preferably, in step 2, the two sides of the upper surface of the top surface member are further cast and formed with a limiting block through a mold B; and limiting grooves matched with the limiting blocks for use are reserved on two sides of the lower surface of the bottom surface member through pouring of the mold B.
Preferably, the limiting block is of a strip-shaped prismatic table structure.
Preferably, a prestressed rib or a steel bar structure is reserved in the strip-shaped prismatic table structure.
Preferably, in step 2, the rear end of the top member extends to the top between a part of the rear members through the mold B and forms a top wall of the reserved window, and the rear end surface of the top wall and the rear end surface of the rear member are located on the same plane.
The method for pouring and molding the PPVC module through the outer die has the following beneficial effects: the PPVC module is formed by external mold casting, has the advantages of high precision, high efficiency, firm connection among all components and tight connection among all casting steps, and lays a foundation for the subsequent installation of the PPVC module.
Drawings
FIG. 1: the invention is a schematic diagram of side member pouring in step 1;
FIG. 2: another angle schematic diagram of the side member pouring in the step 1 of the invention;
FIG. 3: the invention is a schematic diagram of casting and molding of a side member;
FIG. 4: the embodiment of step 2 of the invention is schematically illustrated;
FIG. 5: the structure of the die B is shown schematically;
FIG. 6: the invention discloses a structural schematic diagram of pouring and molding of a PPVC module;
1: mold a, 2: side member, 3: a part of the floor member, 4: a part of the rear member, 5: top surface member engagement portion, 6: bottom surface member engagement portion, 7: posterior member engaging portion, 8: reserved window position, 9: flange, 10: mold B, 11: top surface member, 12: rear surface member, 13: bottom surface member, 14: mounting groove, 15: and a limiting block.
Detailed Description
In the following, embodiments of the present invention are described in detail in a stepwise manner, which is merely a preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are only used for describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, the present invention is not to be construed as being limited thereto.
As shown in FIGS. 1-6:
a PPVC module is cast by an external mold, comprising the steps of 1, casting a side member 2 by a mold A1, prefabricating a part of a bottom member 3 to the inner side at the bottom end of the side member 2, and prefabricating a part of a rear member 4 to the inner side at the rear end of the side member; step 2, fixing 2 prefabricated side members relatively through a mold B10, pouring a top surface member 11 between the top ends of the side members, pouring and molding a whole rear surface member 12 between a part of rear surface members, and pouring and molding a whole bottom surface member 13 between a part of bottom surface members;
in the step 1, transverse steel bars and vertical steel bars are arranged in the side surface component, wherein the upper ends of the vertical steel bars extend inwards along the top end of the inner side wall of the side surface component to form a top surface component connecting part 5; the lower ends of the vertical steel bars extend inwards along the bottom end of the inner side wall of the side surface component, penetrate through the inner side ends of a part of bottom surface components and extend inwards to form a bottom surface component connecting part 6; the rear ends of the transverse reinforcing steel bars extend inwards along the rear ends of the inner wall surfaces of the side members, penetrate through the inner side ends of a part of rear members and extend inwards to form rear member connecting parts 7;
in step 2, a window is reserved on the middle upper part of the rear component 12 through a mould B10, and the rear component joining part 7 is matched with the shape of the rear component 12;
in step 1, a flange 9 integrally formed with the side member 2 is further cast on an end portion of the top member joining portion 5 facing the side member by a mold a1, the flange 9 is used for restraining the top member joining portion 5 from being horizontally arranged, and a top end surface of the flange 9 is flush with a top end of the side member 2;
in step 1, the outer surface of the side member 2 is further poured by a mould A1 to reserve a mounting groove 14;
in the step 2, two sides of the upper surface of the top surface component 11 are further cast and molded with limiting blocks 15 through a mold B; limiting grooves matched with limiting blocks for use are reserved on two sides of the lower surface of the bottom surface member through pouring of a mold B10;
the limiting block is of a strip-shaped prismatic table structure;
the bar-shaped prismatic table structure is internally reserved with a prestressed tendon or a steel bar structure.
In step 2, the rear end of the roof member 11 is extended toward the top between a portion of the rear members 4 by a mold B10 and forms a top wall of the reserved window, the rear end surface of the top wall being in the same plane as the rear end surface of the rear member 12.
The working principle of the invention is as follows:
in the process of pouring and molding the PPVC module through the outer die, the steps are closely connected, specifically, in step 1, the PPVC module is molded through a die A1, and the steps comprise the following steps: the top surface component connecting part 5, the rear surface component connecting part 7 and the bottom surface component connecting part 6 can tightly combine the pouring process of the step 2 with the step 1 through the connecting parts, and can effectively improve the pouring efficiency and the connecting strength among the components; in addition, in step 1, a mounting groove 14 is reserved by pouring through a mold A1, and in step 2, a limiting block 15 and a limiting groove 14 are reserved by pouring through a mold B10, so that a foundation is laid for the subsequent installation and fixation of the PPVC module.
Through foretell linking relationship, can make the efficiency of pouring the PPVC module through the external mold obtain improving, because the spacing and the contrast effect of each joint portion also further make the precision of PPVC module obtain improving.
Claims (9)
1. A method for forming a PPVC module by external die casting is characterized in that: the method comprises the following steps of 1, pouring and molding a side member through a mold A, prefabricating and molding a part of bottom surface members at the bottom ends of the side members to the inner side, and prefabricating and molding a part of rear surface members at the rear ends of the side members to the inner side; and 2, relatively fixing the 2 prefabricated side members through a mold B, pouring a top surface member between the top ends of the side members, pouring and molding all rear members between a part of rear members, and pouring and molding all bottom members between a part of bottom members.
2. A method of over-molding a PPVC module as claimed in claim 1, wherein: in the step 1, transverse steel bars and vertical steel bars are arranged in the side surface component, wherein the upper ends of the vertical steel bars extend inwards along the top end of the inner side wall of the side surface component to form a top surface component connecting part; the lower ends of the vertical steel bars extend inwards along the bottom end of the inner side wall of the side surface component, penetrate through the inner side ends of a part of bottom surface components and extend inwards to form a bottom surface component connecting part; the rear ends of the transverse reinforcing steel bars extend inwards along the rear ends of the inner wall surfaces of the side members, penetrate through the inner side ends of a part of rear members and extend inwards to form rear member connecting parts.
3. A method of over-moulding a PPVC module as claimed in claim 2, wherein: in step 2, a window is reserved on the middle upper part of the rear member through a mold B, and the rear member joint part is matched with the rear member in shape.
4. A method of over-moulding a PPVC module as claimed in claim 2 or claim 3, wherein: in step 1, a flange integrally formed with the side member is further cast on an end portion of the top member joining portion facing the side member through a mold a, the flange is used for restraining the top member joining portion from being horizontally arranged, and a top end surface of the flange is on the same plane as a top end of the side member.
5. A method of over-molding a PPVC module as claimed in claim 1, wherein: in step 1, the outer surface of the side member is further poured through a mold A to reserve a mounting groove.
6. A method of over-molding a PPVC module as claimed in claim 1, wherein: in the step 2, two sides of the upper surface of the top surface component are further cast and molded with limiting blocks through a mold B; and limiting grooves matched with the limiting blocks for use are reserved on two sides of the lower surface of the bottom surface member through pouring of the mold B.
7. A method of over-moulding a PPVC module as claimed in claim 6, wherein: the limiting block is of a strip-shaped prismatic table structure.
8. A method of over-moulding a PPVC module as claimed in claim 7, wherein: the bar-shaped prismatic table structure is internally reserved with a prestressed tendon or a steel bar structure.
9. A method of over-moulding a PPVC module as claimed in claim 3, wherein: in step 2, the rear end of the top member extends towards the top between a part of the rear members through the die B and forms the top wall of the reserved window, and the rear end surface of the top wall and the rear end surface of the rear members are positioned on the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010680526.4A CN112060270B (en) | 2020-07-15 | 2020-07-15 | Method for pouring and molding PPVC module through external mold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010680526.4A CN112060270B (en) | 2020-07-15 | 2020-07-15 | Method for pouring and molding PPVC module through external mold |
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| Publication Number | Publication Date |
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| CN112060270A true CN112060270A (en) | 2020-12-11 |
| CN112060270B CN112060270B (en) | 2021-06-15 |
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| CN202010680526.4A Active CN112060270B (en) | 2020-07-15 | 2020-07-15 | Method for pouring and molding PPVC module through external mold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115107147A (en) * | 2022-05-31 | 2022-09-27 | 青岛青建理工建筑工业化研究院有限公司 | Construction method of ppvc space module |
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| CN2285797Y (en) * | 1996-10-23 | 1998-07-08 | 北京市东升新型盒子房屋厂 | Built-up reinforced concrete box structure building |
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| EP1123449B1 (en) * | 1998-10-20 | 2005-04-06 | William Richard Charles Stoodley | Volumetric modular building system |
| CN102505779A (en) * | 2011-11-10 | 2012-06-20 | 沈汉杰 | Block type wall system assembled by hoisting and construction method thereof |
| CN106436959A (en) * | 2015-08-12 | 2017-02-22 | 陶怡佃 | Precast outer wall construction method |
| CN109989576A (en) * | 2019-03-13 | 2019-07-09 | 中国建筑第八工程局有限公司 | Assembled integral shear wall edge member template system and its construction method |
| CN210820107U (en) * | 2019-08-27 | 2020-06-23 | 陕西工业职业技术学院 | Modularization precast concrete pouring template |
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2020
- 2020-07-15 CN CN202010680526.4A patent/CN112060270B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2285797Y (en) * | 1996-10-23 | 1998-07-08 | 北京市东升新型盒子房屋厂 | Built-up reinforced concrete box structure building |
| CN1188832A (en) * | 1997-01-20 | 1998-07-29 | 北京市东升新型盒子房屋厂 | Assembly reinforced concretre box structure and making method |
| EP1123449B1 (en) * | 1998-10-20 | 2005-04-06 | William Richard Charles Stoodley | Volumetric modular building system |
| CN102505779A (en) * | 2011-11-10 | 2012-06-20 | 沈汉杰 | Block type wall system assembled by hoisting and construction method thereof |
| CN106436959A (en) * | 2015-08-12 | 2017-02-22 | 陶怡佃 | Precast outer wall construction method |
| CN109989576A (en) * | 2019-03-13 | 2019-07-09 | 中国建筑第八工程局有限公司 | Assembled integral shear wall edge member template system and its construction method |
| CN210820107U (en) * | 2019-08-27 | 2020-06-23 | 陕西工业职业技术学院 | Modularization precast concrete pouring template |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115107147A (en) * | 2022-05-31 | 2022-09-27 | 青岛青建理工建筑工业化研究院有限公司 | Construction method of ppvc space module |
| CN115107147B (en) * | 2022-05-31 | 2023-11-21 | 青岛青建理工建筑工业化研究院有限公司 | Method for constructing ppvc space module |
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| CN112060270B (en) | 2021-06-15 |
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