CN211570483U - Fiber reinforced cement product - Google Patents
Fiber reinforced cement product Download PDFInfo
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- CN211570483U CN211570483U CN201921577602.8U CN201921577602U CN211570483U CN 211570483 U CN211570483 U CN 211570483U CN 201921577602 U CN201921577602 U CN 201921577602U CN 211570483 U CN211570483 U CN 211570483U
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Abstract
Providing a high-strength plastic fiber reinforced cement product, wherein before the reinforced fiber is poured, a plastic Sipeng loose mass which is formed by at least one plastic wire and is twisted corresponding to the shape and the size of a single product is formed, during pouring forming and after solidification, all internal gaps of the plastic Sipeng loose mass are filled with concrete, and the periphery of the plastic Sipeng loose mass is wrapped by the concrete to form a target shape of the product; the plastic fluffy loose balls are continuously extruded by a plastic extruder and are formed when being cooled and formed by a cooling water tank; the strength of the product is obviously improved, the product has no weak part in all directions, and the manufacture is very convenient and fast.
Description
Technical Field
The utility model belongs to the technical field of building material, concretely relates to fiber reinforced cement goods, especially a plastic fiber reinforced cement goods and manufacturing method thereof.
Background
The fiber reinforced cement product is prepared by adding reinforcing fiber into concrete, wherein the reinforcing fiber can be various fibers, such as plant fibers of straw, platycodon grandiflorum, bamboo filament and the like, or metal wires, glass fibers, plastic fibers, fiber-containing waste plastic products, textile products and the like, so as to reinforce the strength of the cement product. As is known, the traditional plaster wall mud is mostly formed by adding straw cut into small sections into mud, and the traditional plaster wall lime is mostly formed by adding hemp cut into small sections into lime so as to enhance the strength of the mud and the lime after solidification. The fiber reinforced cement product in the prior art still uses the traditional mode, the fiber is cut into small sections with the size of 30-40 mm and then is added into concrete, and at present, the mode is also used even for plastic wires produced by the industrial extrusion molding of a plastic extruder. This has the advantage of being easy to handle, but the strength of the cement product is still not ideal because the reinforcing fibers are cut into small pieces of 30 to 40 mm. It is perhaps a reasonable and inexhaustible choice to utilize plant fibers or fiber-containing waste from non-industrial products; however, for the plastic wires produced by the industrial extrusion molding of the plastic extruder, the resource waste of the plastic wires is caused by the fact that the plastic wires are cut into small sections of 30 to 40mm and then concrete is poured.
As a basic requirement for the manufacture of fiber cement products, the products should achieve sufficient strength. Meanwhile, the manufacturing cost is low, so that the raw materials of the reinforced fibers are required to be easily available and low in cost, and the manufacturing process is simple and easy to implement and convenient to operate. In order to improve the strength of fiber reinforced cement products with plastic wires as reinforcing fibers, the plastic wires are woven into a net shape and then poured into concrete, and for thinner products, a layer of reinforcing net is used; for thicker articles, multiple layers of reinforcing mesh are used; the strength of the cement product can be obviously improved. However, it is too troublesome to weave plastic filaments into a net shape, and the manufacturing cost is greatly increased, so that the popularization thereof is limited. In addition, the strength between the multiple layers of reinforcing mesh is still insufficient, and it becomes a weak point.
Then, how to utilize the plastic filament that the plastics extruder industrialization extrusion moulding produced to make the fibre reinforced cement goods of high strength, the utility model discloses from this initiation.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a high-strength plastic fiber reinforced cement product and a manufacturing method thereof.
The utility model provides a technical scheme that plastic fiber reinforced cement goods of above-mentioned technical problem adopted does:
a fiber reinforced cement product comprises concrete poured and formed according to the shape and the size of the product and reinforcing fibers added into the concrete; the reinforced fiber is characterized in that the reinforced fiber is a plastic suaeda salsa loose mass which is formed by at least one plastic filament and corresponds to the shape and the size of the single product before pouring, all internal gaps of the plastic suaeda salsa loose mass are filled with the concrete during pouring forming and after solidification, and the periphery of the plastic suaeda salsa loose mass is wrapped by the concrete to form the target shape of the product.
The following is the further scheme of the fiber reinforced cement product of the utility model:
the plastic fluffy loose ball is formed when a plastic extruder continuously extrudes and is cooled and formed through a cooling water tank of the plastic extruder.
And arranging a wire winding die for winding the continuously extruded and cooling plastic wires in the cooling water tank, and winding the continuously extruded and cooling plastic wires in a space defined by the wire winding die.
The plastic is polypropylene.
The fiber reinforced cement product is a fiber reinforced cement brick or a fiber reinforced cement board or a fiber reinforced cement pipe.
The fiber reinforced cement product is poured by a pouring mould which is arranged according to the shape and the size of the product.
The concrete comprises the components of cement, water, broken stone and/or sand and also comprises solid waste.
The utility model provides a technical scheme that plastic fiber reinforced cement goods manufacturing approach of above-mentioned technical problem adopted does:
the manufacturing method of the fiber reinforced cement product comprises the steps of arranging a casting mould according to the shape and the size of the product, placing the reinforced fibers in the casting mould, casting concrete, and obtaining the fiber reinforced cement product after the concrete is solidified and hardened; the method is characterized by also comprising the steps of preparing the plastic fluffy loose mass as the reinforcing fiber in advance, wherein the plastic fluffy loose mass is formed by continuously extruding by a plastic extruder and cooling and forming the plastic fluffy loose mass by a cooling water tank of the plastic extruder, continuously extruding at least one plastic wire by the plastic extruder through an extrusion die of the plastic extruder, arranging a wire winding die for continuously extruding and forming the plastic wire which is being cooled in the cooling water tank or behind the cooling water tank of the plastic extruder, arranging a pair of traction and pressure rollers in front of the wire winding die, placing the plastic wire between the pair of traction and pressure rollers, drawing and lengthening and thinning the plastic wire by the traction and pressure rollers, winding and forming the plastic wire in a space defined by the wire winding die, and taking the plastic wire which is to be wound and formed in the space defined by the wire winding die into the plastic fluffy loose mass every time and taking the plastic fluffy loose mass out of the plastic wire from the.
The following is a further proposal of the manufacturing method of the fiber reinforced cement product of the utility model:
and calculating the time t1 required by the molding of each plastic silk fluffy loose mass according to the diameter, the number of extruded plastic silk threads and the extrusion speed, or obtaining the time t2 required by the molding of each plastic silk fluffy loose mass according to actual production tests, taking the time t1 or the time t2 as an index for measuring the plastic silk reaching the set extrusion amount, and taking the plastic silk from a silk winding die at intervals of t1 or t2 for standby.
The pouring mould is provided with more than 2 pairs of through holes, more than 2 supporting ribs penetrate through the plastic silk fluffy loose ball and the through holes to support the plastic silk fluffy loose ball before the plastic silk fluffy loose ball is placed into the pouring mould to be poured into concrete, so that the plastic silk fluffy loose ball is prevented from being flattened when the concrete is poured.
Because the fluffy loose group of plastic silk is that the plastic silk turns around continuously and forms, between no fault, and be its four sides eight directions weak point of intensity moreover, so, the utility model discloses the intensity of fiber reinforced cement goods is showing and is promoting, and the goods is its four sides eight directions weak point of intensity moreover also. The reinforced plastic of the utility model is polypropylene, polyethylene or other plastics, especially polypropylene or polyethylene or other plastics, and has low price. The utility model makes use of the fact that when the plastic extruder continuously extrudes the plastic wires, the continuously extruded plastic wires are formed in the space limited by the wire winding mould, and the plastic wire fluffy loose balls are very convenient and fast to manufacture; the winding mould and the casting mould are simple and easy to operate. When the concrete is poured, the plastic silk tent loose mass is supported by the supporting ribs to prevent the concrete from flattening the plastic silk tent loose mass. The utility model discloses still can consume building waste, industrial waste or domestic waste high-efficiently harmlessly and dispose to utilize the waste, the environmental protection forms circular economy. Therefore, the utility model has good social and economic benefits. Is worthy of popularization and application.
Drawings
Fig. 1 is an appearance schematic diagram of a fiber reinforced cement brick according to an embodiment of the present invention.
Fig. 2 is a schematic view of a plastic filament puff mass used for making a fiber reinforced cement brick.
Fig. 3 is a schematic view of a fiber reinforced cement brick showing a loose mass of plastic suaeda.
Fig. 4 is a schematic view of a casting mold for manufacturing a fiber reinforced cement brick.
FIG. 5 is a schematic view of a fiber reinforced cement brick casting mold with support ribs inserted during casting.
FIG. 6 is a schematic view showing a state in which a plastic extruder having a winding die disposed in a cooling water tank continuously extrudes plastic filaments into the winding die.
FIG. 7 is a schematic view showing a state in which a plastic extruder provided with a winding die behind a cooling water tank continuously extrudes plastic filaments into the winding die.
Fig. 8 is a schematic diagram of the state that the plastic filaments form the fluffy lumps of the plastic filaments in the filament winding die.
Detailed Description
The utility model discloses the fiber reinforced cement goods are fiber reinforced cement brick or fiber reinforced cement board or fiber reinforced cement pipe, or other fiber reinforced cement goods. The following description will specifically take a fiber reinforced cement brick as an example, and refer to the accompanying drawings to describe a specific embodiment of the present invention.
As shown in fig. 1, a fiber reinforced cement brick 1 comprises concrete poured and formed according to the shape and size of the cement brick and reinforcing fibers added into the concrete; before the reinforced fiber is poured, the plastic filamentose bulks 2 formed by winding at least one plastic silk 5 are arranged according to the shape and the size of a single product. As shown in fig. 2, the plastic fluffy loose ball 2 is shaped like a bird nest. As shown in fig. 3, when the plastic fluffy loose ball 2 is poured and solidified, all internal gaps of the plastic fluffy loose ball 2 are filled with concrete, and the periphery of the plastic fluffy loose ball 2 is wrapped by the concrete to form the target shape of the product.
The plastic fluffy loose mass 2 is formed when a plastic extruder continuously extrudes and is cooled and formed through a cooling water tank of the plastic extruder. A filament winding die 7 for winding the continuously extruded and cooling plastic filaments is disposed in the cooling water tank, and the continuously extruded and cooling plastic filaments 5 are twisted in a space defined by the filament winding die 7. The requirements on the shape and the size of the plastic fluffy loose ball 2 are not high as long as the shape and the size of the plastic fluffy loose ball are approximately consistent with those of the fiber reinforced cement product.
The plastic is polypropylene, polyethylene or other plastics, and particularly can be recycled materials of polypropylene, polyethylene or other plastics, and the recycled materials are generally required to meet the strength requirement of products and are low in price. The fiber reinforced cement brick 1 is cast by a casting mold 10 which is arranged according to the shape and the size. The concrete comprises cement, water, broken stones and/or sand, and can also comprise solid waste such as construction waste, industrial waste or domestic waste, so that the waste is utilized, the environment is protected, and the recycling economy is formed.
The manufacturing method of the fiber reinforced cement brick 1 comprises the steps of pre-manufacturing the plastic suaeda salsa loose mass 2 and pouring the fiber reinforced cement brick 1, and specifically comprises the following steps:
firstly, manufacturing a plastic fluffy loose mass 2, as shown in fig. 6 or fig. 7, continuously extruding at least one plastic filament 5, such as 3 to 5 plastic filaments 5, by a plastic extruder 3 through an extrusion die 4 thereof, and arranging a filament winding die 7 in or behind a cooling water tank 6 thereof, wherein the continuously extruded and cooling plastic filament 5 is twisted; FIG. 6 is a schematic view showing a state where a plastic extruder provided with a winding die in a cooling water tank continuously extrudes plastic filaments into the winding die, and FIG. 7 is a schematic view showing a state where the plastic extruder provided with the winding die behind the cooling water tank continuously extrudes plastic filaments into the winding die; and a pair of traction pressure rollers 8 is arranged in front of the filament winding die 7, the plastic filament 5 is placed between the pair of traction pressure rollers 8, after being drawn and elongated by the traction pressure rollers 8, the plastic filament 5 which is continuously extruded and is cooling is formed in a twisting manner in the space defined by the filament winding die 7, and the plastic filament 5 which is continuously extruded and is cooling is formed in the twisting manner in the space defined by the filament winding die 7, as shown in fig. 8, the plastic filament 5 which is to be formed in the twisting manner in the space defined by the filament winding die 7 reaches a set extrusion amount each time and is formed into a fluffy plastic filament bulky group 2, and then the plastic filament bulky group 2 is taken out of the filament winding die 7 for standby. The requirements on the shape and the size of the plastic suaeda salsa loose mass 2 are not high, so long as the shape and the size of the plastic suaeda salsa loose mass are approximately consistent with those of a fiber reinforced cement product; therefore, the shape and size of the filament winding die 7 are not so high, and it is sufficient that the shape and size of the filament winding die substantially match those of the fiber cement product. For the convenience of observation, as shown in fig. 8, the filament winding mold 7 may be made of a transparent material, such as transparent glass or transparent plastic, and may be provided with 1 transparent cover 9, and the cover 9 is covered during filament winding of the plastic filament 5 to facilitate the filament winding of the plastic filament, and each time the filament winding of one plastic fluffy loose mass 2 is completed, the cover is opened to take out the plastic fluffy loose mass 2 for use. For the judgment of the wire winding forming of each plastic fluffy loose ball 2, the rough and simple judgment can be directly judged visually; the more feasible and accurate judgment method is that the forming time is taken as the judgment basis, the time t1 required by the forming of each plastic fluffy loose ball 2 is calculated according to the diameter, the number of extruded plastic threads and the extrusion speed of the plastic threads 5, or the time t2 required by the forming of each plastic fluffy loose ball 2 is obtained according to the actual production test, the time t1 or the time t2 is taken as an index for measuring the extrusion amount of the plastic threads 5 reaching the set extrusion amount, and the plastic threads are taken out from the thread winding die 7 for standby at intervals of t1 or t 2.
Secondly, pouring the fiber reinforced cement brick 1,
the method comprises the steps of arranging a casting mould 10 according to the shape and the size of a fiber reinforced cement brick 1, and arranging more than 2 pairs of through holes 11 on two opposite sides of the casting mould 10, as shown in figure 4; before the plastic suaeda salsa loose mass 2 is placed into a pouring mold 10 to be poured into concrete, more than 2 supporting ribs 12 penetrate through the plastic suaeda salsa loose mass 2 and the through holes 11 to prop up the plastic suaeda salsa loose mass 2, as shown in figure 5, so as to prevent the plastic suaeda salsa loose mass 2 from being flattened when the concrete is poured, and the supporting ribs 12 can be made of steel bars or other metal bars. And placing the plastic suaeda salsa loose mass 2 in a pouring mould 10, pouring concrete, and timely drawing out the support ribs 12 to obtain the fiber reinforced cement brick 1 after the concrete is solidified and hardened.
In the case of the fiber reinforced cement board or the fiber reinforced cement pipe, or other fiber reinforced cement products, the shape of the product is different, and the filament winding mold 7 and the casting mold 10 are arranged according to the shape and the size of the fiber reinforced cement board or the fiber reinforced cement pipe, or other fiber reinforced cement products, which are completely contrasted with the above.
Claims (7)
1. A fiber reinforced cement product comprises concrete poured and formed according to the shape and the size of the product and reinforcing fibers added into the concrete; the reinforced fiber is characterized in that the reinforced fiber is a plastic suaeda salsa loose mass which is formed by at least one plastic filament and corresponds to the shape and the size of the single product before pouring, all internal gaps of the plastic suaeda salsa loose mass are filled with the concrete during pouring forming and after solidification, and the periphery of the plastic suaeda salsa loose mass is wrapped by the concrete to form the target shape of the product.
2. The fiber cement article of claim 1, wherein said plastic fluff lump is formed during the continuous extrusion in a plastic extruder while being cooled and formed by passing through a cooling water tank thereof.
3. The fiber cement product according to claim 2, wherein a filament winding mold for winding the continuously extruded and cooling plastic filament is provided in the cooling water tank, and the continuously extruded and cooling plastic filament is wound in a space defined by the filament winding mold.
4. The fiber cement article of claim 1, wherein said plastic is polypropylene.
5. The fiber cement article of claim 1, wherein the fiber cement article is a fiber cement brick or a fiber cement board or a fiber cement pipe.
6. The fiber cement article of claim 1, wherein said fiber cement article is cast through a casting mold configured to shape and size said article.
7. The fiber cement article of claim 1, wherein said concrete component comprises cement, water, crushed stone and/or sand, and further comprises solid waste.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921577602.8U CN211570483U (en) | 2019-09-20 | 2019-09-20 | Fiber reinforced cement product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921577602.8U CN211570483U (en) | 2019-09-20 | 2019-09-20 | Fiber reinforced cement product |
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| Publication Number | Publication Date |
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| CN211570483U true CN211570483U (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921577602.8U Active CN211570483U (en) | 2019-09-20 | 2019-09-20 | Fiber reinforced cement product |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110590255A (en) * | 2019-09-20 | 2019-12-20 | 宁波领智机械科技有限公司 | Fiber reinforced cement product and manufacturing method thereof |
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2019
- 2019-09-20 CN CN201921577602.8U patent/CN211570483U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110590255A (en) * | 2019-09-20 | 2019-12-20 | 宁波领智机械科技有限公司 | Fiber reinforced cement product and manufacturing method thereof |
| CN110590255B (en) * | 2019-09-20 | 2024-06-21 | 宁波领智机械科技有限公司 | Fiber reinforced cement product and manufacturing method thereof |
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