CN114378932B - Acoustic panel core pulling technology - Google Patents

Acoustic panel core pulling technology Download PDF

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Publication number
CN114378932B
CN114378932B CN202111648979.XA CN202111648979A CN114378932B CN 114378932 B CN114378932 B CN 114378932B CN 202111648979 A CN202111648979 A CN 202111648979A CN 114378932 B CN114378932 B CN 114378932B
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CN
China
Prior art keywords
core
pulling
mold
frame
concrete
Prior art date
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Active
Application number
CN202111648979.XA
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Chinese (zh)
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CN114378932A (en
Inventor
陈怀焜
徐金山
蔡云
张绍文
徐宇衔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian Qunfeng Machinery Co Ltd
Original Assignee
Fujian Qunfeng Machinery Co Ltd
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Application filed by Fujian Qunfeng Machinery Co Ltd filed Critical Fujian Qunfeng Machinery Co Ltd
Priority to CN202111648979.XA priority Critical patent/CN114378932B/en
Publication of CN114378932A publication Critical patent/CN114378932A/en
Application granted granted Critical
Publication of CN114378932B publication Critical patent/CN114378932B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/16Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
    • B28B7/18Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the article
    • B28B7/186Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the article for plates, panels or similar sheet- or disc-shaped objects, also flat oblong moulded articles with lateral openings, e.g. panels with openings for doors or windows, grated girders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00Producing shaped prefabricated articles from the material
    • B28B1/08Producing shaped prefabricated articles from the material by vibrating or jolting
    • B28B1/087Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00Producing shaped prefabricated articles from the material
    • B28B1/08Producing shaped prefabricated articles from the material by vibrating or jolting
    • B28B1/093Producing shaped prefabricated articles from the material by vibrating or jolting by means directly acting on the material, e.g. by cores wholly or partly immersed in the material or elements acting on the upper surface of the material
    • B28B1/0935Producing shaped prefabricated articles from the material by vibrating or jolting by means directly acting on the material, e.g. by cores wholly or partly immersed in the material or elements acting on the upper surface of the material using only elements wholly or partly immersed in the material, e.g. cores
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B17/00Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/0002Auxiliary parts or elements of the mould
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/0002Auxiliary parts or elements of the mould
    • B28B7/0011Mould seals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/28Cores; Mandrels

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Building Environments (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)

Abstract

The invention discloses a sound screen plate core pulling process, which comprises the following steps of: step S1, placing concrete into a core-pulling mold, and primarily compacting the concrete by the core-pulling mold to form a panel, wherein a bolt is arranged in the core-pulling mold; s2, inserting a core rod into the core pulling mold, and enabling the core rod to be abutted against the plug pin; s3, continuously placing the concrete into a core-pulling mold, covering the core rod, and compacting the concrete again by the core-pulling mold to form a back layer; and S4, separating the core rod from the core-pulling mold, and disassembling the core-pulling mold to form the sound screen plate with the cavity. The sound screen plate manufactured by the process has strong overall uniformity and good sound absorption effect. Because the panel and the back layer of the sound screen plate are all compacted through the core-pulling die, the uniformity of the panel and the back layer is similar, so that the overall uniformity of the sound screen plate is strong.

Description

Acoustic panel core pulling technology
Technical Field
The invention relates to the technical field of sound screen plates, in particular to a sound screen plate core pulling process.
Background
The sound screen is generally used for sound insulation and noise reduction of highways, expressways, overhead composite roads and other noise sources, and has the main effects of blocking direct sound from a sound source to a sound receiving point, reducing diffracted sound and reducing influence of noise on various places.
The traditional sound screen plate shell is usually made of metal materials, and the sound screen plate is usually arranged in an open place, so that the sound screen plate is often affected by rain and weather, and the manufacturing materials of the sound screen plate are easy to corrode and age, and the service life is short.
In the prior art, some sound screen plates made of concrete also exist, however, the steps for making the sound screen plates from the concrete in the prior art are complicated, the degree of automation is low, the efficiency is low, and the sound absorption effect of the made sound screen plates is poor. Meanwhile, the sound screen plate manufactured by the prior art has poor uniformity and poor sound absorption effect.
Disclosure of Invention
The present invention aims to solve at least to some extent one of the technical problems in the above-described technology. Therefore, the invention aims to provide a sound screen plate core pulling process, and the sound screen plate manufactured by the process has strong overall uniformity and good sound absorption effect.
In order to achieve the above purpose, the embodiment of the invention provides a sound panel core pulling process, which comprises the following steps:
step S1, placing concrete into a core-pulling mold, and primarily compacting the concrete by the core-pulling mold to form a panel, wherein a bolt is arranged in the core-pulling mold;
s2, inserting a core rod into the core pulling mold, and enabling the core rod to be abutted against the plug pin;
s3, continuously placing the concrete into a core-pulling mold, covering the core rod, and compacting the concrete again by the core-pulling mold to form a back layer;
and S4, separating the core rod from the core-pulling mold, and disassembling the core-pulling mold to form the sound screen plate with the cavity.
According to the sound screen plate core pulling process provided by the embodiment of the invention, when the sound screen plate is manufactured, concrete is placed into the core pulling mold, the core pulling mold is used for primarily compacting the concrete to form a panel, a core rod is inserted into the core pulling mold, the concrete is continuously placed into the core pulling mold, the core rod is covered, the core pulling mold is used for compacting the concrete again to form a back layer, the core rod is separated from the core pulling mold, the sound screen plate with a cavity can be formed, and finally, the sound absorbing material is placed in the cavity of the sound screen plate. Because the plug supports and leans on the plug, the plug corresponds the position and forms the sound absorbing hole, and the plug breaks away from the loose core mould after, the cavity communicates with each other with the sound absorbing hole, and the cavity communicates with the outside through the sound absorbing hole, after placing sound absorbing material such as inhale sound cotton or foam board in this cavity, outside sound can get into through the sound absorbing hole and inhale the sound cotton to absorb the noise, reduce the noise, it is effectual to inhale sound. Meanwhile, the panel and the back layer of the sound screen plate are all compacted through the core-pulling die, so that the uniformity of the panel and the back layer is similar, and the overall uniformity of the sound screen plate is high.
In addition, the acoustic panel core pulling process according to the above embodiment of the present invention may further have the following additional technical features:
further, the concrete spreader further comprises a step S11, wherein the step S11 is positioned between the step S1 and the step S2, and the step S11 is to connect the vibration exhaust device with the core pulling mold so as to spread the concrete.
Further, step S31 is included, step S31 is located between step S3 and step S4, and step S31 is: and connecting the vacuum suction device with the core-pulling mold to rapidly mold.
Further, step S32 is further included, step S32 is located between step S31 and step S4, and step S32 is: and connecting the cover plate with the core-pulling mold, and then curing the whole body.
Further, step S5 is further included, step S5 is located after step S4, and step S5 is: the sound absorbing material is placed in the cavity of the sound screen panel.
Further, the core-pulling die comprises a die frame, a bottom plate and a bottom frame; the mold frame can be arranged in a vibrating way, and core pulling holes for inserting core rods are formed at the side parts of the mold frame; the bottom plate is arranged at the bottom of the mold frame, and a plurality of jacks are formed on the bottom plate; the underframe can vibrate and set up, and the underframe sets up in mould frame bottom or bottom plate bottom, sets up a plurality of bolts of inserting the jack on the underframe.
Further, the loose core holes comprise at least two loose core hole groups which are arranged side by side.
Further, the die further comprises a core rod, and the core rod is provided with an inclined plane which is convenient to separate from the die frame.
Further, each bolt includes installation department, insertion department and shaping portion, and installation department installs on the underframe, and the insertion department inserts the bottom plate, and shaping portion outstanding in the bottom plate.
Further, the end face of the forming part is in a plane state, and the height of each bolt is consistent.
Further, the molding part is in a truncated cone shape.
Further, the mold further comprises a sealing gasket, the sealing gasket is positioned between the bottom plate and the mold frame, the sealing gasket forms a perforation for the insertion pin to penetrate, and the aperture of the perforation is slightly smaller than that of the insertion part.
Further, a vibration motor is arranged at the side part of the mold frame.
Further, a vibrator is provided at the side of the bottom frame.
Further, the bottom of the mold frame is provided with a guide post, and the bottom plate and the bottom frame are provided with guide holes for the guide post to be inserted.
Further, the end part of the guide post is in an inverted truncated cone shape.
Drawings
Fig. 1 is a schematic structural view of a production step of a sound panel core pulling process according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a core-pulling mold according to an embodiment of the present invention;
fig. 3 is an exploded view of a core back mold according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a bottom frame of a core-pulling mold according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a plug pin of the core pulling mold according to an embodiment of the present invention;
fig. 6 is a schematic diagram showing connection between a core-pulling mold and a vibration exhaust apparatus according to an embodiment of the present invention;
FIG. 7 is a schematic view showing a structure in which a core rod according to an embodiment of the present invention is placed in a core back mold;
fig. 8 is a schematic structural view of a casting backing layer of a core-pulling mold according to an embodiment of the present invention;
FIG. 9 is a schematic diagram showing connection between a core-pulling mold and a vacuum suction device according to an embodiment of the present invention;
FIG. 10 is a schematic diagram showing connection between a core back mold and a cover plate according to an embodiment of the present invention;
FIG. 11 is a schematic view showing the structure of the core-pulling mold disassembled at the time of demolding according to the embodiment of the present invention;
fig. 12 is a schematic structural view of an acoustic panel according to an embodiment of the present invention.
Description of the reference numerals
Core-pulling mold 1, mold frame 11, core-pulling hole 111, first core-pulling hole group 111a, second core-pulling hole group 111b, first core-pulling hole 1111, second core-pulling hole 1112, vibrating motor 112, guide post 113, mandrel 12, inclined surface 121, bottom plate 13, insertion hole 131, bottom frame 14, plug 141, mounting portion 1411, insertion portion 1412, molding portion 1413, vibrator 142, gasket 15, perforation 151, guide hole 16, connection hole 17;
a vibration exhaust device 2, a first connecting pin 21, a first frame 22, a vibration exhaust motor 23, and a vibration exhaust rod 24;
the vacuum suction device 3, the second frame 31, the sucker 32 and the connecting port 33;
a cover plate 4 and a second connecting pin 41;
the sound screen panel 10, the face plate 101, the back layer 102, the cavity 103 and the sound absorbing holes 104.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in fig. 1 to 12, the acoustic panel core pulling process according to the embodiment of the invention includes the following steps:
step S1, placing concrete into a core-pulling mold 1, and primarily compacting the concrete by the core-pulling mold 1 to form a panel 101, wherein a bolt 141 is arranged in the core-pulling mold 1;
step S2, inserting the core rod 12 into the core-pulling die 1, and enabling the core rod 12 to be abutted against the plug 141;
step S3, continuously placing concrete into the core-pulling mold 1, covering the core rod 12, and compacting the concrete again by the core-pulling mold 1 to form a back layer 102;
step S4, the core rod 12 is separated from the core-pulling mold 1, and the core-pulling mold 1 is disassembled to form the acoustic panel 10 having the cavity 103.
When the sound screen 10 is manufactured, concrete is placed into the core-pulling mold 1, the core-pulling mold 1 initially taps the concrete to form the panel 101, the core rod 12 is inserted into the core-pulling mold 1, the concrete is placed into the core-pulling mold 1 continuously, the core rod 12 is covered, the core-pulling mold 1 taps the concrete again to form the back layer 102, the core rod 12 is separated from the core-pulling mold 1, the sound screen 10 with the cavity 103 can be formed, and finally the sound absorbing material is placed in the cavity 103 of the sound screen 10. Because the core rod 12 is abutted against the plug 141, the sound-absorbing hole 104 is formed at the corresponding position of the plug 141, and after the core rod 12 is separated from the core-pulling die 1, the cavity 103 is communicated with the sound-absorbing hole 104, the cavity 103 is communicated with the outside through the sound-absorbing hole 104, after the sound-absorbing material such as sound-absorbing cotton is placed in the cavity 103, the outside sound can enter the sound-absorbing cotton through the sound-absorbing hole 104, so that noise is absorbed, noise is reduced, and the sound-absorbing effect is good. Meanwhile, since the face plate 101 and the back layer 102 of the acoustic panel 10 are both tapped by the core back mold 1, the uniformity of the face plate 101 and the back layer 102 is similar, so that the overall uniformity of the acoustic panel 10 is strong.
Optionally, the method further comprises a step S11, wherein the step S11 is positioned between the step S1 and the step S2, and the step S11 is to connect the vibration exhaust device 2 with the core-pulling mold 1 so as to flatten the concrete. Because set up the bolt 141 in the loose core mould 1, if can set up a plurality of bolts 141 that side by side are even for the concrete mobility of pouring is very poor, consequently, cooperates vibration exhaust apparatus 2 together to exhaust in this example, can effectively flatten the concrete, can form the air discharge in the clearance simultaneously between the concrete, makes whole comparatively closely knit.
In this example, the method further includes step S31, where step S31 is located between step S3 and step S4, and step S31 is: the vacuum suction device 3 is connected with the core-pulling mold 1 to rapidly mold. The vacuum suction device 3 sucks the moisture and gas in the back layer 102 away quickly, so that the back layer can be formed more quickly, and the production efficiency is improved.
As an example, step S32 is further included, step S32 is located between step S31 and step S4, and step S32 is: the cover plate 4 is connected to the core back mold 1, and then the whole is cured.
Since the acoustic panel 10 is formed by tapping and core pulling, the acoustic panel 10 cannot be immediately detached from the core-pulling mold 1 after moisture and gas in the back layer 102 are rapidly sucked through the vacuum suction device 3, otherwise the panel 101 of the acoustic panel 10 may be damaged. Therefore, in step S32, the cover plate 4 is placed, and then the whole body is put into a pre-curing pit for curing, so as to improve the production efficiency, after the curing is completed, the cover plate 4 is removed, the core rod 12 is extracted, and the core-pulling mold 1 is removed, so that the production of the sound screen panel 10 is completed.
Finally, step S5 is further included, step S5 is located after step S4, and step S5 is: the sound absorbing material is preferably sound absorbing cotton, which is an existing material and is not described here in detail, is placed in the cavity 103 of the sound screen panel 10. Of course, the sound absorbing material may be a foam board or the like.
In this example, the core back mold 1 includes a mold frame 11, a bottom plate 13, and a bottom frame 14; the mold frame 11 can be arranged in a vibrating way, and a core pulling hole 111 for inserting the core rod 12 is formed at the side part of the mold frame 11; the core rod 12 can be inserted into the core-pulling hole 111, and the core rod 12 is attached to the core-pulling hole 111; the bottom plate 13 is arranged at the bottom of the mold frame 11, and a plurality of jacks 131 are formed on the bottom plate 13; the bottom frame 14 can be arranged in a vibrating way, the bottom frame 14 is arranged at the bottom of the mold frame 11 or the bottom of the bottom plate 13, and a plurality of bolts 141 inserted into the jacks 131 are arranged on the bottom frame 14.
When the sound screen panel 10 is manufactured, the bottom plate 13 and the bottom frame 14 are sequentially installed, then part of materials such as concrete materials are added into the mold frame 11, the mold frame 11 and the bottom frame 14 are compacted to form the panel 101 of the sound screen panel 10, then the core rod 12 is inserted into the core-pulling hole 111, the bottom of the core rod 12 is abutted against the end part of the bolt 141, then the concrete materials are added into the mold frame 11, the mold frame 11 and the bottom frame 14 continue vibrating to compact the concrete materials to form the back layer 102, after curing is finished, the core rod 12 can be pulled out from the core-pulling hole 111, the bottom plate 13 and the bottom frame 14 are detached, at this time, a cavity 103 is formed in the sound screen panel 10, and the cavity 103 is communicated with the sound absorbing holes 104 formed by the bolts 141, so that the sound absorbing materials such as sound absorbing cotton can be placed into the cavity 103, the sound absorbing cotton is communicated with the outside through the sound absorbing holes 104, and the sound absorbing effect is improved. When the sound screen plate 10 is manufactured, the panel 101 and the back layer 102 are all compacted by concrete through the die frame 11 and the bottom frame 14, so that the manufactured sound screen plate 10 has strong overall uniformity.
By providing the bottom plate 13, when the bottom frame 14 is detached, the weight of the sound screen panel 10 is supported on the bottom plate 13, so that the bolts 141 of the bottom frame 14 are convenient to separate from the sound screen panel 10, the panel 101 of the sound screen panel 10 is not damaged during demolding, and the flatness of the panel 101 of the sound screen panel 10 is maintained.
Optionally, the loose-core holes 111 include at least two loose-core hole groups disposed side by side, as shown in fig. 2 and 3, and in this example, the loose-core holes 111 include a first loose-core hole group 111a and a second loose-core hole group 111b disposed side by side with the first loose-core hole group 111 a. Each core-pulling hole group comprises a first core-pulling hole 1111 and a second core-pulling hole 1112, the area of the first core-pulling hole 1111 is larger than that of the second core-pulling hole 1112, after the core rod 12 is inserted into the core-pulling hole 111, the core rod 12 is attached to the core-pulling hole 111, that is, the area where the core rod 12 is inserted into the first core-pulling hole 1111 is larger than that where the core rod 12 is inserted into the second core-pulling hole 1112, so that the section of the core rod 12 can be in an isosceles trapezoid, a right trapezoid or other similar shapes, the core rod 12 forms an inclined plane 121 which is convenient to separate from the mold frame 11, and when the sound screen plate 10 is initially molded, the core rod 12 is convenient to take out when the core rod 12 is separated from the sound screen plate 10.
In some examples, each of the pins 141 includes a mounting portion 1411, an insertion portion 1412, and a molding portion 1413, the mounting portion 1411 is mounted on the chassis 14, the insertion portion 1412 is inserted into the chassis 13, the molding portion 1413 protrudes from the chassis 13, the mounting portion 1411 is provided on the chassis 14 when mounted, and the insertion portion 1412 is inserted into the chassis 13 so that the molding portion 1413 protrudes from the chassis 13, so that the sound panel 10 is formed with the sound absorbing hole 104 when the sound panel 10 is manufactured.
Further, the end face of the molding portion 1413 is in a planar state, after the core rod 12 is inserted into the core pulling hole 111, the height of each bolt 141 is consistent, and the end face of each molding portion 1413 is in a planar state, so that the end face of each bolt 141 molding portion 1413 abuts against the bottom of the core rod 12, and after the concrete material is poured into the mold frame 11, the concrete material does not exist between the end face of the molding portion 1413 and the core rod 12, so that the sound absorbing holes 104 of the manufactured sound screen board 10 are communicated with the cavity 103, and after sound absorbing cotton is put in, the sound absorbing cotton is directly communicated with the outside through the sound absorbing holes 104, so that sound absorbing is facilitated. The core rod 12 may be made of a concrete material or a metal material, such as a steel material, so that the weight of the core rod 12 is large, and thus the core rod 12 can be closely adhered to the end surface of the molding portion 1413 when the mold frame 11 and the bottom frame 14 vibrate.
In some examples, the forming portion 1413 is in a shape of a circular truncated cone, the forming portion 1413 protrudes from the bottom plate 13, when pouring, the concrete material covers the forming portion 1413, and when demoulding, the sound absorbing hole 104 is formed at a corresponding position of the forming portion 1413, because the forming portion 1413 is in a shape of a circular truncated cone, the sound absorbing hole 104 is also in a shape of a circular truncated cone, that is, the aperture of one end of the sound absorbing hole 104 close to the outside is larger than that of one end of the sound absorbing hole 104 far away from the outside, so that more noise is absorbed conveniently, and the sound absorbing effect is better.
In some examples, the core-pulling mold 1 further includes a gasket 15, the gasket 15 is located between the bottom plate 13 and the mold frame 11, the gasket 15 forms a through hole 151 through which the plug 141 penetrates, the hole diameter of the through hole 151 is slightly smaller than the hole diameter of the insertion portion 1412, and when the plug 141 is inserted into the through hole 151 of the gasket 15, the plug 141 and the gasket 15 are in interference fit, so that water components in the concrete material are effectively prevented from leaking out from the bottom plate 13, and the sealing performance is excellent.
In this example, the side of the mold frame 11 is provided with the vibration motors 112, two mounting plates may extend from two sides of the mold frame 11, the vibration motors 112 may be provided in two, and the two vibration motors 112 are respectively mounted on one mounting plate. The side of the bottom frame 14 is provided with a vibrator 142, one side of the bottom frame 14 is provided with a vibrator 142, and the other side of the bottom frame 14 is provided with another vibrator 142, wherein the vibrator 142 can be a pneumatic gear type vibrator.
In this example, a guide post 113 is disposed at the bottom of the mold frame 11, and guide holes 16 into which the guide post 113 is inserted are disposed on the bottom plate 13 and the bottom frame 14. The end of the guide post 113 is in an inverted truncated cone shape, that is, the end of the guide post 113 has an arc-shaped guiding surface, so that the guide post 113 is more convenient to insert into the guide hole 16.
In this example, the top of the mold frame 11 may be further provided with a connection hole 17, and the entire core-pulling mold 1 may be conveyed along the conveying line. When the core pulling die 1 is conveyed to the vibration exhaust station, the vibration exhaust device 2 is provided with the first connecting pin 21, the first connecting pin 21 is inserted into the connecting hole 17 to be connected, and then the vibration exhaust device 2 works to effectively spread concrete, and meanwhile air in a gap formed between the concrete is conveniently exhausted, so that the whole body is compact. As shown in fig. 6, the vibration exhaust device 2 further has a first frame 22, a vibration exhaust motor 23, and a vibration exhaust rod 24, the first connection pin 21 is fixed on the first frame 22, the vibration exhaust motor 23 is disposed on the first frame 22, an end portion of the vibration exhaust rod 24 is inserted into the concrete, and the vibration exhaust rod 24 is connected with the vibration exhaust motor 23 and driven to vibrate by the vibration exhaust motor 23 to effectively flatten the concrete.
When the core pulling mold 1 is conveyed to the vacuum suction station, as shown in fig. 9, the vacuum suction device 3 is provided with a second frame 31, a suction cup 32 and a connection port 33, the second frame 31 is connected with the core pulling mold 1, the suction cup 32 is connected with the second frame 31, the suction cup 32 is close to the back layer 102, the connection port 33 is connected with the suction cup 32, and the connection port 33 can be connected with a suction mechanism to suck away moisture and gas in the back layer 102 rapidly, so that the back layer 102 can be molded more rapidly, and the production efficiency is improved.
When the core-pulling mold 1 is conveyed to the front of the curing station, as shown in fig. 10, a cover plate 4 is installed, a second connecting pin 41 may be provided on the cover plate 4, the second connecting pin 41 is inserted into the connecting hole 17 to be connected, and then the whole core-pulling mold 1 may be grasped to the pre-curing pit to be cured. After the curing is completed, as shown in fig. 11, the core back mold 1 may be detached and the core back mold 1 may be reused.
The above examples and drawings are not intended to limit the form or form of the present invention, and any suitable variations or modifications thereof by those skilled in the art should be construed as not departing from the scope of the present invention.

Claims (6)

1. The sound screen plate core pulling process is characterized by comprising the following steps of:
step S1, placing concrete into a core-pulling mold, and primarily compacting the concrete by the core-pulling mold to form a panel, wherein a bolt is arranged in the core-pulling mold;
s2, inserting a core rod into the core pulling mold, and enabling the core rod to be abutted against the plug pin;
s3, continuously placing the concrete into a core-pulling mold, covering the core rod, and compacting the concrete again by the core-pulling mold to form a back layer;
s4, separating the core rod from the core-pulling mold, and disassembling the core-pulling mold to form a sound screen plate with a cavity;
step S5: placing a sound absorbing material in a cavity of the sound screen panel;
the core-pulling die comprises a die frame, a bottom plate and a bottom frame; the mold frame can be arranged in a vibrating way, and core pulling holes for inserting core rods are formed at the side parts of the mold frame; the bottom plate is arranged at the bottom of the mold frame, and a plurality of jacks are formed on the bottom plate; the bottom frame can be arranged in a vibrating way, the bottom frame is arranged at the bottom of the bottom plate, and a plurality of bolts inserted into the jacks are arranged on the bottom frame; each bolt comprises a mounting part, an inserting part and a forming part, wherein the mounting part is mounted on the bottom frame, the inserting part is inserted into the bottom plate, and the forming part protrudes out of the bottom plate; the end face of the forming part is in a plane state, and the height of each bolt is consistent;
the die comprises a die frame, and is characterized by also comprising a core rod, wherein the core rod is provided with an inclined plane which is convenient to separate from the die frame; the core-pulling holes comprise a first core-pulling hole and a second core-pulling hole, the area of the first core-pulling hole is larger than that of the second core-pulling hole, and after the core rod is inserted into the core-pulling holes, the core rod is attached to the core-pulling holes.
2. The acoustic panel core pulling process of claim 1, wherein: the concrete spreader further comprises a step S11, wherein the step S11 is positioned between the step S1 and the step S2, and the step S11 is to connect the vibration exhaust device with the core pulling mold so as to spread the concrete.
3. The acoustic panel core pulling process of claim 1, wherein: further comprising step S31, step S31 is located between step S3 and step S4, and step S31 is: and connecting the vacuum suction device with the core-pulling mold to rapidly mold.
4. The acoustic panel core pulling process according to claim 3, wherein: further comprising step S32, step S32 is located between step S31 and step S4, step S32 is: and connecting the cover plate with the core-pulling mold, and then curing the whole body.
5. The acoustic panel core pulling process of claim 1, wherein: the sealing gasket is positioned between the bottom plate and the die frame, the sealing gasket forms a perforation for the bolt to penetrate, and the aperture of the perforation is slightly smaller than that of the insertion part.
6. The acoustic panel core pulling process of claim 1, wherein: the side part of the mold frame is provided with a vibration motor; the side of the bottom frame is provided with a vibrator.
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CN110385774A (en) * 2019-08-30 2019-10-29 山东兴玉机械科技有限公司 A kind of process units and construction method of bidirectional knockout core precast hollow shock-proof wall plate

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JP2000185308A (en) * 1998-12-21 2000-07-04 Takamura Sogyo Kk Accumulation preventing method of fallen mortar in manufacture of concrete product with quick demolding production mold
CN203077433U (en) * 2013-02-04 2013-07-24 四川德腾科技有限公司 Soundproof screen plate forming mould
JP2015221537A (en) * 2014-05-23 2015-12-10 鹿島建設株式会社 Production method of concrete structure, and opening formation member
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