CN111823616A - Novel composite material formwork template and manufacturing process - Google Patents
Novel composite material formwork template and manufacturing process Download PDFInfo
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- CN111823616A CN111823616A CN202010695675.8A CN202010695675A CN111823616A CN 111823616 A CN111823616 A CN 111823616A CN 202010695675 A CN202010695675 A CN 202010695675A CN 111823616 A CN111823616 A CN 111823616A
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- Prior art keywords
- reinforcing rib
- template
- main body
- transverse reinforcing
- rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G9/00—Forming or shuttering elements for general use
- E04G9/02—Forming boards or similar elements
- E04G9/05—Forming boards or similar elements the form surface being of plastics
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a novel composite material formwork template and a manufacturing process, the formwork template comprises a template main body (1), template end plates (2), transverse reinforcing rib rods (3) and longitudinal reinforcing rib rods (4), the template end plates (2) are respectively arranged at two ends of the template main body (1), a plurality of transverse reinforcing rib rods (3) are uniformly arranged on a bottom plate of the template main body (1) in parallel, two ends of the transverse reinforcing rib rods are contacted with side plates of the template main body (1), a plurality of longitudinal reinforcing rib rods (4) are uniformly arranged on the transverse reinforcing rib rods (3) in parallel, two ends of the longitudinal reinforcing rib rods are contacted with the template end plates (2), and the contact joints of the template main body (1), the template end plates (2), the transverse reinforcing rib rods (3) and the longitudinal reinforcing rib rods (4) are provided with polyurethane rigid foam for curing and bonding. The weight is light, the energy is saved, the environment is protected, the manufacturing process is advanced, mature and easy to implement, the manufacturing efficiency can be improved, and the manufacturing cost is reduced.
Description
Technical Field
The invention relates to a formwork template for buildings, in particular to a novel composite material formwork template and a manufacturing process thereof.
Background
The formwork supporting is the construction of a building formwork, the formwork supporting formwork is a member which must be used in the construction of the building formwork, the formwork supporting formwork must have enough rigidity, strength and stability, the existing formwork supporting formwork can be divided into a wood formwork and a metal formwork according to different materials, and the metal formwork comprises a steel formwork and an aluminum alloy formwork.
However, with the appearance of a large number of modern large-scale building systems in China, the existing formwork supporting template cannot meet the requirements of building construction development, the existing formwork supporting template has defects in actual use, the wood template has poor bearing capacity, is easy to deform and break, has poor use safety, high damage rate and replacement rate, is not beneficial to energy conservation and environmental protection, and the metal template has large steel or aluminum consumption, heavy weight, is not beneficial to assembly and disassembly operations, has high labor intensity and high construction cost, so that the rapid research and development and popularization of the novel formwork supporting template are urgent.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a novel composite material formwork template and a manufacturing process, which have the advantages of simple and novel structure, high mechanical strength, strong bearing capacity, light weight, energy conservation, environmental protection, advanced and mature manufacturing process, easiness in implementation, capability of improving manufacturing efficiency and reduction in manufacturing cost.
The technical scheme adopted by the invention is as follows: a novel composite material formwork template comprises a template main body 1, a template end plate 2, a transverse reinforcing rib rod 3 and a longitudinal reinforcing rib rod 4, wherein the template main body 1, the template end plate 2, the transverse reinforcing rib rod 3 and the longitudinal reinforcing rib rod 4 are glass fiber reinforced polyurethane resin integral components formed by one-time extrusion molding, the outer surface of the template is coated with glass fiber cloth, the cross section of the template main body 1 is U-shaped, the turning part is in arc transition, the template end plates 2 are respectively arranged at the two ends of the template main body 1, a plurality of transverse reinforcing bar rods 3 are evenly arranged on the bottom plate of the template main body 1 in parallel, the two ends of the reinforcing rib rod are contacted with the side plates of the template main body 1, a plurality of longitudinal reinforcing rib rods 4 are uniformly arranged on the transverse reinforcing rib rod 3 in parallel, the two ends of the template are contacted with the template end plate 2, and the contact joints of the template main body 1, the template end plate 2, the transverse reinforcing rib rods 3 and the longitudinal reinforcing rib rods 4 are provided with polyurethane rigid foam for curing and bonding.
Further improved, filling cavities 5 are formed at two ends of the template main body 1 among the template main body 1, the template end plates 2 and the transverse reinforcing rib rods 3, and polyurethane rigid foam is filled in the filling cavities 5.
Further improved, the lateral surfaces of the transverse reinforcing rib rods 3 and the longitudinal reinforcing rib rods 4 are provided with bonding grooves 6, and polyurethane structural adhesive is filled in the bonding grooves 6.
A manufacturing process of a novel composite material formwork template comprises the following steps:
s1, soaking, mixing, heating and curing the polyurethane resin and the glass fiber at a weight ratio of 15-23: 77-85 and a reaction temperature of 110-240 ℃ to form a template main body 1, a template end plate 2, a transverse reinforcing rib rod 3 and a longitudinal reinforcing rib rod 4 by pultrusion respectively;
s2, under the condition that the environmental temperature is 20-30 ℃, injecting a proper amount of polyurethane structural adhesive into the bonding groove 6, uniformly and orderly placing the transverse reinforcing rib rods 3 and the longitudinal reinforcing rib rods 4, wherein the bonding groove 6 of the transverse reinforcing rib rods 3 faces the bottom plate of the template main body 1, the bonding grooves 6 of the longitudinal reinforcing rib rods 4 face the transverse reinforcing rib rods 3 and are bonded with the transverse reinforcing rib rods in a positioning way, the template end plates 2 are placed at the two ends of the template main body 1 and are in contact positioning with the end surfaces of the longitudinal reinforcing rib rods 4, polyurethane rigid foam is evenly smeared at the contact connection parts of the template main body 1, the template end plates 2, the transverse reinforcing rib rods 3 and the longitudinal reinforcing rib rods 4, injecting a proper amount of polyurethane rigid foam into the filling cavity 5, and applying a certain pressure to the outer side surface of the template end plate 2 and the longitudinal reinforcing rib rod 4 at the same time, wherein the pressure is 100-130 Kpa and the time is 3-10 minutes;
and S3, horizontally standing for 24-48 hours to enable the rigid polyurethane foam to be completely foamed, cured and molded, and bonding and molding the template main body 1, the template end plate 2, the transverse reinforcing rib rod 3 and the longitudinal reinforcing rib rod 4 into a whole.
Compared with the prior art, the invention has the following beneficial effects: the novel high-strength steel wire rope has the advantages of simple and novel structure, high mechanical strength, strong bearing capacity, light weight, energy conservation, environmental protection, advanced and mature manufacturing process, easiness in implementation, capability of improving manufacturing efficiency and reduction in manufacturing cost.
Drawings
Figure 1 is a schematic three-dimensional structure of the present invention,
figure 2 is a schematic structural view of the present invention,
figure 3 is a cross-sectional view of figure 2,
fig. 4 is a partially enlarged structural view of a portion a in fig. 3.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.
As shown in figures 1, 2, 3 and 4, a novel composite material formwork template comprises a template main body 1, a template end plate 2, a transverse reinforcing rib rod 3 and a longitudinal reinforcing rib rod 4, wherein the template main body 1, the template end plate 2, the transverse reinforcing rib rod 3 and the longitudinal reinforcing rib rod 4 are glass fiber reinforced polyurethane resin integral members formed by one-time extrusion, the outer surface of the template main body is coated with glass fiber cloth, the cross section of the template main body 1 is in a U shape, the turning part of the template main body is in arc transition, the template end plates 2 are respectively arranged at two ends of the template main body 1, five transverse reinforcing rib rods 3 are uniformly arranged on a bottom plate of the template main body 1 in parallel, two ends of the transverse reinforcing rib rods are contacted with side plates of the template main body 1, two longitudinal reinforcing rib rods 4 are uniformly arranged on the transverse reinforcing rib rods 3 in parallel, two ends of the transverse reinforcing rib rods are contacted with the template end plates 2, the template main body 1, The contact joint of the transverse reinforcing rib rod 3 and the longitudinal reinforcing rib rod 4 is provided with polyurethane rigid foam curing adhesion. And filling cavities 5 are formed at two ends of the template main body 1 among the template main body 1, the template end plates 2 and the transverse reinforcing rib rods 3, and polyurethane rigid foam is filled in the filling cavities 5. The side surfaces of the transverse reinforcing rib rod 3 and the longitudinal reinforcing rib rod 4 are provided with bonding grooves 6, and polyurethane structural adhesive is filled in the bonding grooves 6.
The template main body 1, the template end plate 2, the transverse reinforcing rib rod 3 and the longitudinal reinforcing rib rod 4 of the formwork supporting template are all integral components which are made of glass fiber reinforced polyurethane resin composite materials through one-step extrusion molding by an extrusion molding process, and the integral components are high in mechanical strength, strong in bearing capacity and light in weight; the transverse reinforcing rib rods 3 and the longitudinal reinforcing rib rods 4 play a role in reinforcing connection, and the mechanical performance of the formwork supporting template is improved; the contact junction of template main part 1, template end plate 2, horizontal strengthening rib pole 3 and vertical strengthening rib pole 4 is equipped with the solidification of polyurethane rigid foam and bonds, and it is filled with polyurethane rigid foam to fill 5 intussuseption in chamber, bonds template main part 1, template end plate 2, horizontal strengthening rib pole 3 and vertical strengthening rib pole 4 and forms into a whole, and polyurethane rigid foam's tensile strength and tear strength are all very high, and the bonding is firm, and structural strength is high.
A manufacturing process of a novel composite material formwork template comprises the following steps:
s1, soaking, mixing, heating and curing the polyurethane resin and the glass fiber at a weight ratio of 15-23: 77-85 and a reaction temperature of 110-240 ℃ to form a template main body 1, a template end plate 2, a transverse reinforcing rib rod 3 and a longitudinal reinforcing rib rod 4 by pultrusion respectively;
s2, under the condition that the environmental temperature is 20-30 ℃, injecting a proper amount of polyurethane structural adhesive into the bonding groove 6, uniformly and orderly placing the transverse reinforcing rib rods 3 and the longitudinal reinforcing rib rods 4, wherein the bonding groove 6 of the transverse reinforcing rib rods 3 faces the bottom plate of the template main body 1, the bonding grooves 6 of the longitudinal reinforcing rib rods 4 face the transverse reinforcing rib rods 3 and are bonded with the transverse reinforcing rib rods in a positioning way, the template end plates 2 are placed at the two ends of the template main body 1 and are in contact positioning with the end surfaces of the longitudinal reinforcing rib rods 4, polyurethane rigid foam is evenly smeared at the contact connection parts of the template main body 1, the template end plates 2, the transverse reinforcing rib rods 3 and the longitudinal reinforcing rib rods 4, injecting a proper amount of polyurethane rigid foam into the filling cavity 5, and applying a certain pressure to the outer side surface of the template end plate 2 and the longitudinal reinforcing rib rod 4 at the same time, wherein the pressure is 100-130 Kpa and the time is 3-10 minutes;
and S3, horizontally standing for 24-48 hours to enable the rigid polyurethane foam to be completely foamed, cured and molded, and bonding and molding the template main body 1, the template end plate 2, the transverse reinforcing rib rod 3 and the longitudinal reinforcing rib rod 4 into a whole.
Step S1 is a single-piece manufacturing process of the template main body 1, the template end plate 2, the transverse reinforcing bar rods 3 and the longitudinal reinforcing bar rods 4 of the formwork supporting template, steps S2 and S3 are manufacturing processes of placing and connecting, glue injection filling, foaming, curing, bonding and forming of the formwork supporting template into a finished product, and the one-time pultrusion integral forming and glue injection foaming, curing, bonding and forming manufacturing processes are advanced, mature, easy to implement and easy to operate.
Without being limited thereto, any changes or substitutions that are not thought of through the inventive work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (4)
1. A novel composite material formwork template is characterized by comprising a template main body (1), template end plates (2), transverse reinforcing rib rods (3) and longitudinal reinforcing rib rods (4), wherein the template main body (1), the template end plates (2), the transverse reinforcing rib rods (3) and the longitudinal reinforcing rib rods (4) are glass fiber reinforced polyurethane resin integral components formed by one-time extrusion, the outer surfaces of the integral components are coated with glass fiber cloth, the cross section of the template main body (1) is in a U shape, turning positions of the integral components are in arc transition, the template end plates (2) are respectively arranged at two ends of the template main body (1), a plurality of transverse reinforcing rib rods (3) are uniformly arranged on a bottom plate of the template main body (1) in parallel, two ends of the transverse reinforcing rib rods are in contact with side plates of the template main body (1), a plurality of longitudinal reinforcing rib rods (4) are uniformly arranged on the transverse reinforcing rib rods (3) in parallel, the two ends of the template are contacted with the template end plate (2), and the contact joint of the template main body (1), the template end plate (2), the transverse reinforcing rib rod (3) and the longitudinal reinforcing rib rod (4) is provided with polyurethane rigid foam curing and bonding.
2. The novel composite formwork template as claimed in claim 1, wherein a filling cavity (5) is formed at two ends of the formwork main body (1) among the formwork main body (1), the formwork end plate (2) and the transverse reinforcing bar rod (3), and polyurethane rigid foam is filled in the filling cavity (5).
3. The novel composite formwork template as claimed in claim 1, wherein the lateral side of the transverse reinforcing bar rod (3) and the longitudinal reinforcing bar rod (4) is provided with a bonding groove (6), and polyurethane structural adhesive is filled in the bonding groove (6).
4. A manufacturing process of a novel composite material formwork template is characterized by comprising the following steps:
s1, soaking, mixing, heating and curing the polyurethane resin and the glass fiber at a weight ratio of 15-23: 77-85 and a reaction temperature of 110-240 ℃ to form a template main body (1), a template end plate (2), a transverse reinforcing rib rod (3) and a longitudinal reinforcing rib rod (4) by pultrusion respectively;
s2, under the condition that the ambient temperature is 20-30 ℃, injecting a proper amount of polyurethane structural adhesive into a bonding groove (6), uniformly and orderly placing a transverse reinforcing rib rod (3) and a longitudinal reinforcing rib rod (4), wherein the bonding groove (6) of the transverse reinforcing rib rod (3) faces the bottom plate of a template main body (1) and is bonded with the bottom plate in a positioning way, the bonding groove (6) of the longitudinal reinforcing rib rod (4) faces the transverse reinforcing rib rod (3) and is bonded with the transverse reinforcing rib rod in a positioning way, placing template end plates (2) at two ends of the template main body (1) and is in contact with end faces of the longitudinal reinforcing rib rod (4) for positioning, uniformly smearing polyurethane rigid foam at contact connection positions of the template main body (1), the template end plates (2), the transverse reinforcing rib rod (3) and the longitudinal reinforcing rib rod (4), injecting a proper amount of polyurethane rigid foam into a filling cavity (5), and simultaneously applying a certain pressure on the outer side face of the template end plates (2) and the longitudinal reinforcing rib rod (4), the pressure is 100-130 Kpa, and the time is 3-10 minutes;
and S3, horizontally standing for 24-48 hours to enable the rigid polyurethane foam to be completely foamed, cured and molded, and bonding and molding the template main body (1), the template end plate (2), the transverse reinforcing rib rod (3) and the longitudinal reinforcing rib rod (4) into a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010695675.8A CN111823616A (en) | 2020-07-16 | 2020-07-16 | Novel composite material formwork template and manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010695675.8A CN111823616A (en) | 2020-07-16 | 2020-07-16 | Novel composite material formwork template and manufacturing process |
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| Publication Number | Publication Date |
|---|---|
| CN111823616A true CN111823616A (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010695675.8A Pending CN111823616A (en) | 2020-07-16 | 2020-07-16 | Novel composite material formwork template and manufacturing process |
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| CN (1) | CN111823616A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113306236A (en) * | 2021-07-12 | 2021-08-27 | 重庆泛锐科技有限公司 | High-strength composite board and preparation method thereof |
| CN113977983A (en) * | 2021-10-15 | 2022-01-28 | 江西洪都航空工业集团有限责任公司 | Rib positioning device and method for composite material wallboard structural member |
-
2020
- 2020-07-16 CN CN202010695675.8A patent/CN111823616A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113306236A (en) * | 2021-07-12 | 2021-08-27 | 重庆泛锐科技有限公司 | High-strength composite board and preparation method thereof |
| CN113977983A (en) * | 2021-10-15 | 2022-01-28 | 江西洪都航空工业集团有限责任公司 | Rib positioning device and method for composite material wallboard structural member |
| CN113977983B (en) * | 2021-10-15 | 2023-06-30 | 江西洪都航空工业集团有限责任公司 | Rib positioning device and method for composite material wallboard structural member |
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