CN112060296B - Steel-plastic combined concrete prefabricated part mold and demolding method thereof - Google Patents
Steel-plastic combined concrete prefabricated part mold and demolding method thereof Download PDFInfo
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- CN112060296B CN112060296B CN202010850217.7A CN202010850217A CN112060296B CN 112060296 B CN112060296 B CN 112060296B CN 202010850217 A CN202010850217 A CN 202010850217A CN 112060296 B CN112060296 B CN 112060296B
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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
- B28B7/34—Moulds, cores, or mandrels of special material, e.g. destructible materials
- B28B7/348—Moulds, cores, or mandrels of special material, e.g. destructible materials of plastic material or rubber
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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
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/04—Discharging the shaped articles
- B28B13/06—Removing the shaped articles from moulds
- B28B13/062—Removing the shaped articles from moulds by elastically deforming the mould, e.g. bending flexible moulds
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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
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/04—Discharging the shaped articles
- B28B13/06—Removing the shaped articles from moulds
- B28B13/065—Removing the shaped articles from moulds by applying electric current or other means of discharging, e.g. pneumatic or hydraulic discharging means
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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
- B28B7/0002—Auxiliary parts or elements of the mould
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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
- B28B7/0002—Auxiliary parts or elements of the mould
- B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
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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
- B28B7/10—Moulds with means incorporated therein, or carried thereby, for ejecting or detaching the moulded article
- B28B7/12—Moulds with means incorporated therein, or carried thereby, for ejecting or detaching the moulded article by fluid pressure, e.g. acting through flexible wall parts or linings of the moulds
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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
- B28B7/26—Assemblies of separate moulds, i.e. of moulds or moulding space units, each forming a complete mould or moulding space unit independently from each other
Abstract
The utility model provides a concrete prefabricated component mould that combination is moulded to steel, including a plurality of plastic mold and steel frame, plastic mold includes mould cavity and first connecting portion, be equipped with the second connecting portion on the steel frame, first connecting portion and second connecting portion fixed connection, be equipped with the mounting hole on each mould cavity and set the air inlet plug, air inlet plug one end is equipped with open closed first portion of admitting air, the other end is equipped with the second portion of admitting air that communicates with first portion of admitting air, the air inlet plug is equipped with the one end of first portion of admitting air and locates in the mounting hole and be in the extrusion state so that first portion of admitting air is closed. A method of demolding comprising the steps of: s1, external gas or liquid enters the second air inlet part of the air inlet plug and enables the first air inlet part to be opened, and the external gas or liquid enters the mold cavity through the first air inlet part; s2, a vacuum chuck or component clamp on the component hanger holds the component, and then the component hanger is raised to lift the component out of the mold cavity. The invention has simple structure, low cost, convenient demoulding and ensured component quality.
Description
Technical Field
The invention relates to a concrete mould, in particular to a steel-plastic combined concrete prefabricated part mould and a demoulding method thereof.
Background
The concrete prefabricated part needs to be produced by using a mould, the common mould comprises a steel mould and a plastic mould, the steel mould has good durability and strong deformation resistance compared with the plastic mould, and one mould can integrate a plurality of mould cavities, so that a plurality of parts can be produced at one time, the efficiency is high, the yield is high, the overall cost of the mould and the labor is lower than that of the plastic mould during long-time large-scale production, but the forming process of the mould cavity of the steel mould is complex, the manufacturing is difficult, the working surface of the mould cavity is easy to be bonded with the parts, the demoulding difficulty or the parts are damaged, and the forming effect of the parts is inferior to that of the plastic mould. The plastic mould is low in single cost compared with a steel mould, is manufactured by adopting an injection molding process, is simple and rapid in mould cavity forming, smooth in mould cavity working surface, not easy to bond with a component, easy to demould the component, small in component appearance and size errors and suitable for producing the component with a complex structure, but the plastic mould is poor in durability, easy to deform and easy to damage and needs to be replaced frequently, only one component can be produced by one mould at a time, the efficiency is low, the yield is low, and the mould and labor cost is high during long-time large-scale production. No matter be the steel mould or plastic mold in addition, because the component parcel is lived to the mould, in the drawing of patterns in-process, can produce the vacuum effect when component and mould cavity break away from for required drawing of patterns power is too big to cause can't the drawing of patterns. The solutions currently used include increasing the ejection force directly or making holes in the mould panels. The demolding force is increased to forcibly remove the component, so that the risk of damaging the component exists, and the mold needs to be reinforced, so that the mold cost is further increased; and the direct holing on the mould can cause the mould to leak the thick liquid, and the intensity of the component part that leaks thick liquid can descend, influences the component quality. In addition, when the existing mold is demolded, the mold needs to be turned over firstly, and then the component is poured out of the mold cavity, so that the component is easily damaged, and a corresponding mechanism is very complex and has high cost.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a steel-plastic combined concrete prefabricated member mould which is simple in structure, low in cost, convenient to demould and capable of ensuring the quality of a member.
The invention further provides a demolding method based on the mold.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a concrete prefabricated component mould that combination is moulded to steel, includes a plurality of plastic mold and is used for supporting each plastic mold's steel frame, plastic mold includes the mould cavity and locates the first connecting portion of mould cavity side, be equipped with the second connecting portion on the steel frame, first connecting portion with second connecting portion fixed connection, each be equipped with the mounting hole on the mould cavity and set the air inlet plug, air inlet plug one end is equipped with open and shut first air inlet, and the other end is equipped with the second air inlet with first air inlet intercommunication, the air inlet plug is equipped with the one end of first air inlet and locates in the mounting hole and be in the extrusion state so that first air inlet is closed.
As a further improvement of the above technical solution: and an air plug sleeve is arranged on the periphery of the air inlet plug and is connected with the mold cavity.
As a further improvement of the above technical solution: the air plug sleeve is bonded with the mold cavity.
As a further improvement of the above technical solution: the mounting hole is a threaded hole, and the air plug sleeve is provided with an external thread and is arranged in the mounting hole through the external thread.
As a further improvement of the above technical solution: the first air inlet portion includes a plurality of air inlet pinholes.
As a further improvement of the above technical solution: the first air intake portion includes an air intake slit.
As a further improvement of the above technical solution: the steel-plastic combined concrete prefabricated part mould further comprises a compressed air pipeline, the compressed air pipeline is connected with the air plug sleeve through an air pipe connector, and the second air inlet portion, the air pipe connector and the compressed air pipeline are sequentially communicated.
As a further improvement of the above technical solution: and two ends of the air pipe joint are respectively in threaded connection with the air plug sleeve and the compressed air pipeline.
As a further improvement of the above technical solution: the first connecting part and the second connecting part are both of plate-shaped structures and are fixedly connected through a fastener.
As a further improvement of the above technical solution: the mould comprises a mould cavity, and is characterized by further comprising a component hanging bracket, wherein a plurality of vacuum suction cups or a plurality of component clamps are arranged on the component hanging bracket and are arranged in one-to-one correspondence with the mould cavities.
The demolding method based on the mold comprises the following steps:
s1, external air or liquid enters the second air inlet part of the air inlet plug and enables the first air inlet part to be opened, and then the external air or liquid enters the cavity of the mold through the first air inlet part;
s2, fixing the component by a vacuum chuck or a component clamp on the component hanger, and then lifting the component hanger to lift the component out of the mold cavity;
and S3, transferring the component to a stacking position by the component hanger, and releasing the component by the vacuum chuck or the component clamp to complete stacking.
Compared with the prior art, the invention has the advantages that: the steel-plastic combined concrete prefabricated part mould disclosed by the invention integrates a plurality of plastic moulds together, can simultaneously produce a plurality of parts at one time, has large single-time yield, low labor cost and high production efficiency compared with a single plastic mould, and simultaneously provides support for the plastic moulds by a steel frame, thereby being beneficial to avoiding the problem of deformation of the single plastic mould; the plastic mould is characterized in that a mounting hole is formed in a mould cavity of the plastic mould, one end, provided with a first air inlet part, of an elastic air inlet plug is arranged in the mounting hole, the first air inlet part is initially pressed to keep a closed state, the local strength reduction caused by slurry leakage of a component is prevented, and the quality of the component is ensured; when the mould drawing of patterns, because can produce the vacuum in the mould die cavity, there is pressure differential in air inlet plug both sides, thereby the air in the external environment can get into through the second air inlet portion and make air inlet plug open, and the air in the external environment can get into the mould die cavity through first air inlet portion to abolish the vacuum state in the mould die cavity, make the component deviate from more easily, and overall structure is simple, the cost of manufacture is low.
The invention discloses a demoulding method, which comprises the steps of firstly ventilating (or introducing liquid such as water and the like) an air inlet plug to increase the pressure in a mould cavity, enabling a component to be loosened and not bonded with the mould cavity, fixing the component by a vacuum chuck or a component clamp on a component hanger, lifting the hanger, and directly and integrally hoisting all the components out of the mould cavity.
Drawings
Fig. 1 is a structural schematic view of a steel-plastic combined concrete prefabricated part mold according to the present invention.
Fig. 2 is a schematic structural view of a first embodiment of the air lock sleeve of the present invention.
Fig. 3 is a schematic structural view of a second embodiment of the air lock sleeve of the present invention.
Fig. 4 is a schematic top view of the intake plug of the present invention.
Fig. 5 is a schematic sectional view of the intake plug of the present invention.
Fig. 6 is a front view schematically showing the structure of the plastic mold of the present invention.
Fig. 7 is a schematic top view of the plastic mold of the present invention.
Fig. 8 is a schematic structural view of the steel-plastic combined concrete precast element in a mold-released state according to the present invention.
The reference numerals in the figures denote: 1. a plastic mold; 11. mounting holes; 12. a mold cavity; 13. a first connection portion; 2. an air inlet plug; 21. a first air intake portion; 22. a second air intake portion; 3. an air plug sleeve; 4. a compressed air line; 5. a gas pipe joint; 6. a steel frame; 61. a second connecting portion; 7. a fastener; 8. a member; 9. a component hanger; 91. a vacuum chuck; 92. a component clamp.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples of the specification.
Example one
Fig. 1, fig. 2, and fig. 4 to fig. 7 show an embodiment of a mold for a prefabricated concrete member with a steel-plastic combination according to the present invention, which includes a plurality of plastic molds 1 and a steel frame 6 for supporting each plastic mold 1, each plastic mold 1 includes a mold cavity 12 and a first connecting portion 13 disposed at a side of the mold cavity 12, the steel frame 6 is provided with a second connecting portion 61, the first connecting portion 13 is fixedly connected to the second connecting portion 61, each mold cavity 12 is provided with a mounting hole 11 and is provided with an air inlet plug 2, one end of the air inlet plug 2 is provided with a first air inlet 21 capable of being opened and closed, the other end of the air inlet plug 2 is provided with a second air inlet 22 communicated with the first air inlet 21, and one end of the air inlet plug 2 provided with the first air inlet 21 is disposed in the mounting hole 11 and is in a pressing state to close the first air inlet 21. Wherein, the air inlet plug 2 can be a rubber plug and the like; the second air intake portion 22 may be, for example, a generally cylindrical structure or the like; mounting holes 11 are preferably provided in the bottom of the mold cavity 12 to facilitate demolding of the component 8.
According to the steel-plastic combined concrete prefabricated part mould, the plurality of plastic moulds 1 are integrated together, a plurality of parts 8 can be produced at one time, and compared with a single plastic mould 1, the steel-plastic combined concrete prefabricated part mould has the advantages of large single-time yield, low labor cost and high production efficiency, and compared with an all-steel mould, the steel-plastic combined concrete prefabricated part mould is small in part 8 size error, high in precision, attractive in appearance, more in line with the part 8 design requirement and capable of reducing the mould cost; the mounting hole 11 is formed in the die cavity 12, one end, provided with the first air inlet part 21, of the elastic air inlet plug 2 is arranged in the mounting hole 11, the first air inlet part 21 is initially pressed to keep a closed state, the local strength reduction of a member caused by slurry leakage during concrete pouring is prevented, and the quality of the member is ensured; when the mould drawing of patterns, because can produce the vacuum in the mould die cavity, there is pressure differential in the 2 both sides of air admission stopper, thereby the air in the external environment can get into through second air inlet 22 and make air admission stopper 2 open, and the air in the external environment can get into the mould die cavity through first air inlet 21 to break the vacuum state in the mould die cavity, make the component deviate from more easily, and overall structure is simple, the cost of manufacture is low.
In the preferred technical scheme, in the embodiment, the air inlet plug 2 is provided with the air plug sleeve 3 at the periphery, and the air plug sleeve 3 is connected with the plastic mold 1. The air plug sleeve 3 can provide certain protective action for the air inlet plug 2 on one hand, prevents the air inlet plug 2 from falling off, and simultaneously limits the deformation of the air inlet plug 2 towards the periphery, so that the first air inlet portion 21 can be kept in a closed state when being extruded.
In the present embodiment, the air lock sleeve 3 is preferably bonded to the plastic mold 1.
The first air inlet portion 21 can be of a structure with a plurality of air inlet pinholes or a structure with V-shaped seams, strip-shaped seams, cross-shaped seams, wavy seams and the like, slurry leakage can be effectively prevented during closing, the vacuum state in the mold cavity can be destroyed during demolding, and the component can be more easily removed.
Further, in this embodiment, the steel-plastic combined concrete prefabricated part mold further includes a compressed air pipe 4, the compressed air pipe 4 is connected to the air plug sleeve 3 through an air pipe joint 5, and the second air inlet 22, the air pipe joint 5 and the compressed air pipe 4 are sequentially communicated. When the mold is demolded, compressed air or water is introduced into the compressed air pipeline 4, the first air inlet portion 21 can be opened, the compressed air or water enters the mold cavity to break the vacuum state, the component is easier to be demolded, compared with the method that the first air inlet portion 21 is opened by air in the external environment only depending on pressure difference, the reliability is further improved, and along with the fact that the compressed air or water is continuously introduced into the mold cavity, the pressure intensity in the mold cavity is increased, and a certain demolding force can be provided to assist demolding.
As the preferred technical scheme, in this embodiment, the two ends of the air pipe joint 5 are respectively in threaded connection with the air plug sleeve 3 and the compressed air pipeline 4, and the air pipe joint is simple and reliable in structure and convenient to disassemble and assemble.
As a preferable technical solution, in this embodiment, the first connecting portion 13 and the second connecting portion 61 are both plate-shaped structures and are fixedly connected by the fastening member 7, so that the structure is simple and reliable, and the plastic mold 1 is convenient to disassemble, assemble and replace.
As a preferred technical scheme, in this embodiment, the component mold further includes a component hanger 9, the component hanger 9 is provided with a plurality of vacuum suction cups 91 or a plurality of component clamps 92 and is arranged in one-to-one correspondence with each mold cavity 12, so that the component 8 is directly lifted out of the mold cavity 12 from bottom to top and is subsequently transported and stacked, and the component mold is simple and reliable in structure and convenient to use.
Example two
Fig. 3 shows another embodiment of the mold for a steel-plastic bonded concrete precast element according to the present invention, which is substantially the same as the embodiment except that: in this embodiment, the mounting hole 11 is a threaded hole, and the air plug sleeve 3 is provided with an external thread and is arranged in the mounting hole 11 through the external thread. Compared with the first embodiment, the threaded connection structure can facilitate the disassembly of the air plug sleeve 3.
EXAMPLE III
As shown in fig. 8, the demolding method based on the mold of the present embodiment includes the following steps:
s1, external gas or liquid enters the second gas inlet part 22 of the gas inlet plug 2 and opens the first gas inlet part 21, and then the external gas or liquid enters the mold cavity 12 through the first gas inlet part 21;
s2, fixing the component 8 by the vacuum suction cup 91 or the component clamp 92 on the component hanger 9, and then lifting the component hanger 9 to lift the component 8 out of the mold cavity 12;
s3, the component hanger 9 transfers the component 8 to the palletizing position, and the vacuum chuck 91 or the component clamp 92 releases the component 8 to complete palletizing.
According to the demolding method, air is firstly introduced (or liquid such as water is introduced) into the air inlet plug 2 to increase the pressure in the mold cavity 12, so that the component 8 is loosened and is not bonded with the mold cavity 12, the component 8 is fixed by the vacuum chuck 91 or the component clamp 92 on the component hanger 9, the component hanger 9 is lifted, all the components 8 can be directly and integrally lifted out of the mold cavity 12, compared with the mode that the component 8 is poured out of the mold cavity 12 after the mold is firstly turned, the damage of the component 8 can be effectively avoided, the component 8 can be separated without turning the mold, the turning step and related execution mechanisms of the mold are omitted, the demolding time is saved, the production efficiency is improved, the component 8 can be directly stacked by the component hanger 9 after the component 8 is lifted out, the carrying and stacking processes of the component 8 are simplified, and the labor cost is reduced.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (9)
1. The utility model provides a concrete prefabricated component mould that combines is moulded to steel which characterized in that: the plastic mould comprises a plurality of plastic moulds (1) and a steel frame (6) used for supporting each plastic mould (1), wherein each plastic mould (1) comprises a mould cavity (12) and a first connecting part (13) arranged on the side edge of the mould cavity (12), a second connecting part (61) is arranged on the steel frame (6), the first connecting part (13) is fixedly connected with the second connecting part (61), each mould cavity (12) is provided with a mounting hole (11) and is provided with an air inlet plug (2), one end of each air inlet plug (2) is of a cylindrical solid structure and is provided with a first air inlet part (21) which can be opened and closed, and each first air inlet part (21) comprises a plurality of air inlet needle holes; or the first air inlet part (21) comprises an air inlet seam, the other end of the first air inlet part (21) is provided with a second air inlet part (22) communicated with the first air inlet part, and one end of the air inlet plug (2) provided with the first air inlet part (21) is arranged in the mounting hole (11) and is in an extrusion state so as to close the first air inlet part (21).
2. The mold for steel-plastic combined concrete precast elements according to claim 1, wherein: the periphery of the air inlet plug (2) is provided with an air plug sleeve (3), and the air plug sleeve (3) is connected with the mold cavity (12).
3. The mold for steel-plastic combined concrete precast elements according to claim 2, wherein: the air plug sleeve (3) is bonded with the mold cavity (12).
4. The mold for steel-plastic combined concrete precast elements according to claim 2, wherein: the mounting hole (11) is a threaded hole, and the air plug sleeve (3) is provided with an external thread and is arranged in the mounting hole (11) through the external thread.
5. The steel-plastic combined concrete precast element mold according to any one of claims 2 to 4, wherein: the air plug is characterized by further comprising a compressed air pipeline (4), the compressed air pipeline (4) is connected with the air plug sleeve (3) through an air pipe connector (5), and the second air inlet portion (22), the air pipe connector (5) and the compressed air pipeline (4) are communicated in sequence.
6. The mold for steel-plastic combined concrete precast elements according to claim 5, wherein: and two ends of the air pipe joint (5) are respectively in threaded connection with the air plug sleeve (3) and the compressed air pipeline (4).
7. The steel-plastic combined concrete precast element mold according to any one of claims 1 to 4, wherein: the first connecting part (13) and the second connecting part (61) are both of plate-shaped structures and are fixedly connected through a fastener (7).
8. The steel-plastic combined concrete precast element mold according to any one of claims 1 to 4, wherein: the mould is characterized by further comprising a component hanger (9), wherein a plurality of vacuum suction cups (91) or a plurality of component clamps (92) are arranged on the component hanger (9) and are arranged in one-to-one correspondence with the mould cavities (12).
9. A method for demoulding a mould for a concrete prefabricated part based on steel-plastic combination according to any one of claims 1 to 8, wherein the method comprises the following steps: the method comprises the following steps:
s1, external gas or liquid enters the second gas inlet part (22) of the gas inlet plug (2) and enables the first gas inlet part (21) to be opened, and then the external gas or liquid enters the mold cavity (12) through the first gas inlet part (21);
s2, fixing the component (8) by a vacuum suction cup (91) or a component clamp (92) on the component hanger (9), and then lifting the component hanger (9) to lift the component (8) out of the die cavity (12);
s3, transferring the component (8) to a stacking position by the component hanger (9), and releasing the component (8) by the vacuum chuck (91) or the component clamp (92) to complete stacking.
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| CN202010850217.7A CN112060296B (en) | 2020-08-21 | 2020-08-21 | Steel-plastic combined concrete prefabricated part mold and demolding method thereof |
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| CN107756614A (en) * | 2017-10-20 | 2018-03-06 | 河南新天合农牧机械有限公司 | Crevice board stripper apparatus |
| CN112140295A (en) * | 2020-08-21 | 2020-12-29 | 湖南五新模板有限公司 | Component mold and demolding method thereof |
| CN213499903U (en) * | 2020-08-21 | 2021-06-22 | 湖南五新模板有限公司 | Steel-plastic combined concrete prefabricated part mould |
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| CN112060296A (en) | 2020-12-11 |
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