CN114378936B

CN114378936B - Manufacturing system and manufacturing method for pressed sound screen plate

Info

Publication number: CN114378936B
Application number: CN202111648889.0A
Authority: CN
Inventors: 陈怀焜; 徐清辉; 张绍文; 徐宇衔
Original assignee: Fujian Qunfeng Machinery Co Ltd
Current assignee: Fujian Qunfeng Machinery Co Ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2023-11-24
Anticipated expiration: 2041-12-30
Also published as: CN114378936A

Abstract

The invention discloses a manufacturing system for a pressed sound screen plate, which comprises a conveying line, a pressing die, a feeding device, a sound screen plate pressing device and a maintenance system, wherein the conveying line is connected with the pressing die; the pressing die can circularly move on the conveying line, and a sharp pin is arranged in the pressing die; the feeding device is positioned at the side part of the conveying line, the feeding device conveys the concrete material into the pressing die, and the pressing die is used for compacting the concrete; the sound screen panel pressing device is positioned above the conveying line and is used for compacting the panel and forming grains on the panel; the feeding device conveys the concrete material into the pressing mould, and the pressing mould is used for compaction; the curing system is positioned at the side part of the conveying line, and is used for receiving the pressing die and the sound screen plate preliminarily formed in the pressing die and curing. The invention also discloses a manufacturing method of the pressed sound screen board. The invention has high degree of automation, the pressing mould can be recycled, the sound screen panel manufactured by the process has high density, and the panel and the back layer are firmly combined.

Description

Manufacturing system and manufacturing method for pressed sound screen plate

Technical Field

The invention relates to the technical field of sound screen plates, in particular to a manufacturing system and a manufacturing method of a pressed sound screen plate.

Background

Along with the rapid development of economy and the continuous acceleration of urban process, traffic modes such as expressways, railways, urban rail transit and the like are rapidly developed, the roads inevitably pass through populated areas with concentrated population during construction, and generated traffic noise brings certain interference to work, life and study of residents nearby the roads. For traffic noise pollution, a sound screen board is usually arranged along a road to control from noise sources, propagation paths and sound receiving points. 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. There are also some sound screens made of concrete in the prior art. However, the process of making the sound screen panel from the concrete in the prior art is troublesome, the sound absorbing effect of the made sound screen panel is poor, and the sound absorbing holes are not communicated with the sound absorbing cotton. Meanwhile, in the prior art, when the panel of the sound screen panel is manufactured, the density of the panel is not high enough, and the phenomenon that the panel is combined with the back layer is not firm exists. The steps for manufacturing the sound screen board by concrete in the prior art are complicated, a plurality of workers are usually required to work, the automation degree is low, and the efficiency is low.

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, an object of the present invention is to provide a system for manufacturing a pressed acoustic panel, which has high automation degree, a pressing mold can be recycled, the acoustic panel manufactured by the process has high density, and the panel and the back layer are firmly combined.

A second object of the present invention is to propose a method of manufacturing a pressed acoustic panel.

In order to achieve the above objective, an aspect of the embodiments of the present invention provides a system for manufacturing a pressed sound panel, including a conveying line, a pressing mold, a feeding device, a sound panel pressing device, and a curing system;

the pressing die can circularly move on the conveying line, and a sharp pin is arranged in the pressing die;

the feeding device is positioned at the side part of the conveying line, the feeding device conveys the concrete material into the pressing die, and the pressing die is used for compacting the concrete;

the sound screen panel pressing device is positioned above the conveying line and is used for compacting the panel and forming grains on the panel;

the feeding device conveys the concrete material into the pressing mould, and the pressing mould is used for compaction;

the curing system is positioned at the side part of the conveying line, and is used for receiving the pressing die and the sound screen plate preliminarily formed in the pressing die and curing.

According to the manufacturing system for the pressed sound screen plate, when the sound screen plate is manufactured, a pressing die is firstly arranged on a conveying line, the conveying line is used for conveying the concrete, then the feeding device is used for conveying the concrete into the pressing die, the pressing die is used for compacting the concrete to form a panel, then the conveying line is used for conveying the pressing die onto the sound screen plate pressing device, the panel is further compacted by the sound screen plate pressing device to form lines, then the feeding device is used for conveying concrete materials into the pressing die, the pressing die is used for carrying out compaction again to form a back layer, and finally the curing system is used for receiving the pressing die and the sound screen plate which is formed in the pressing die in a preliminary mode and curing the sound screen plate. Due to the fact that the conveying line is arranged, the pressing die can move on the conveying line in a circulating mode, the automatic conveying device is high in efficiency, the feeding device can automatically convey concrete materials, and the curing system automatically receives the pressing die and the sound screen plate which is formed in the pressing die in a preliminary mode for curing. The invention automatically produces the sound screen board, has high production efficiency, and simultaneously, the screen board panel pressing device compacts the panel and forms grains, so that the density of the panel is larger, the grains can increase the contact area between the panel and the back layer, and the connection between the panel and the back layer is firmer.

In addition, the system for manufacturing the pressed sound screen plate according to the embodiment of the invention can have the following additional technical features:

further, the transfer chain includes first transfer chain and second transfer chain, and first transfer chain one side is material feeding unit, and second transfer chain one side is maintenance system.

Further, the concrete mixer further comprises a batching system and a stirring system, wherein different materials are input into the batching system to be matched, the stirring system is connected with the batching system and is used for stirring the materials after batching is completed to form concrete, and the stirring system is connected with the feeding device.

Further, the feeding device comprises a first feeding device and a second feeding device, wherein the first feeding device is connected with the stirring system and conveys concrete into the pressing die to form a panel of the sound screen plate, and the second feeding device is connected with the stirring system and conveys concrete into the pressing die to form a back layer of the sound screen plate.

Further, the concrete spreader further comprises a vibration exhaust device which is positioned above the conveying line and can move up and down to be connected with the pressing die so as to spread the panel concrete.

Further, a vacuum suction device is provided above the conveying line, and the vacuum suction device can move up and down to be connected with the pressing mold so as to enable the back layer concrete to be formed more quickly.

Further, a ferry vehicle for conveying the pressing die on the first conveying line to the curing system is arranged at the side part of the output end of the first conveying line.

Further, the maintenance system comprises a pre-curing pit and a steam curing pit; the ferry vehicle moves the pressing die and the sound screen plate preliminarily formed in the pressing die into a pre-curing pit for pre-curing; and the steam curing cellar receives the sound screen plate after the pre-curing is finished and carries out steam curing.

Further, the first transfer chain output sets up the first mould machine that stacks that snatchs the embossing mold on the first transfer chain to the ferry vehicle, sets up the second mould machine that stacks that snatchs the embossing mold on the pre-curing cellar to the second transfer chain on the second transfer chain.

Further, set up first trigger that stacks between second transfer chain and the first transfer chain, the output of second transfer chain sets up the second trigger that stacks.

Further, the pressing die comprises a die frame, a bottom plate and a bottom frame; the mold frame can be arranged in a vibrating way; the bottom plate is arranged at the bottom of the mold frame, and a plurality of drain holes are formed in the bottom plate; the bottom frame can vibrate and set up, and the bottom frame sets up in mould frame bottom or bottom plate bottom, sets up a plurality of sharp-pointed pins that insert the wash port and outstanding in the bottom plate on the bottom frame.

Further, the pressing die further comprises a filter screen, a plurality of filter holes are formed in the filter screen, the filter holes correspond to the drain holes one by one, and the filter screen is located between the bottom plate and the die frame.

Further, each taper pin comprises a mounting part, a forming part and a conical part, wherein the mounting part is mounted on the bottom frame, one end of the forming part is connected with the mounting part, the conical part is connected with the other end of the forming part, and the conical part can be inserted into the sound absorbing cotton.

Further, the forming part is in a truncated cone shape, and the diameter of the forming part gradually increases from the direction close to the conical part to the direction far away from the conical part.

Further, the diameter of the filter hole is larger than the maximum diameter of the molding portion.

Further, a vibrator is provided at the side of the bottom frame.

Further, a vibration motor is arranged at the side part of the mold 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.

Further, the sound screen panel pressing device comprises a base, a mounting frame, a driving mechanism and a pressing head; the mounting frame is arranged on the base, and a mounting space is formed between the mounting frame and the base; the driving mechanism is positioned in the installation space and is arranged on the installation frame; the pressure head is connected with the driving mechanism and driven by the driving mechanism to be close to or far away from the base, and the end part of the pressure head is provided with embossing.

Further, the mounting bracket is fixed on the base through the spliced pole.

Further, the driving mechanism is a press.

Further, the press is connected with the press head through a connecting block.

Further, the lateral part of connecting block sets up the direction inserted bar in being convenient for insert the mould connecting hole.

Further, the pressure head comprises a body, a plurality of side pressing blocks fixed on the side part of the body and a plurality of center pressing blocks in the middle of the body, and the side pressing blocks and the center pressing block end parts form the embossing.

Further, the embossments are wavy or zigzag.

Further, the embossments protrude from the body.

Further, a plurality of through holes are formed in the body.

Further, still include underframe circulation transfer chain, underframe circulation transfer chain is located first transfer chain one side to set up side by side in first transfer chain, underframe circulation transfer chain carries the underframe after dismantling.

To achieve the above object, a second aspect of an embodiment of the present invention provides a method for manufacturing a pressed acoustic panel, comprising the steps of:

step S1, inputting different materials into a batching system for matching, and receiving the matched materials by the batching system by a stirring system and stirring to form concrete;

s2, placing a pressing die at the input end of a conveying line, and moving the pressing die to different stations by the conveying line, wherein a sharp pin is arranged in the pressing die;

step S3, the conveying line moves the pressing die to a feeding station, the feeding device conveys concrete into the pressing die, and the pressing die vibrates to form a panel of the sound screen plate;

s4, the conveyor line moves the pressing die to a pressing station, and the panel is compacted by the sound screen panel pressing device and forms grains on the panel;

s5, placing a sound-absorbing material, wherein the bottom surface of the sound-absorbing material is abutted against the end part of the taper pin;

step S6, the conveying line moves the pressing die to the next feeding station, the feeding device conveys concrete into the pressing die, and the pressing die vibrates to form the back layer of the sound screen plate;

s7, placing the pressing die and the sound screen plate preliminarily formed in the pressing die into a curing system for curing;

and S8, disassembling the pressing die to form the sound screen plate.

When manufacturing the sound screen board, the material feeding unit sends the concrete to the embossing mold to form the panel of sound screen board by embossing mold vibration, the panel compaction of sound screen board embossing apparatus and form the line on the panel, the transfer chain removes the embossing mold to next pan feeding station, material feeding unit sends the concrete to the embossing mold in, form the backing layer of sound screen board by embossing mold vibration, put into the maintenance system with the embossing mold with the sound screen board that preliminary forms in the embossing mold and maintain, the embossing mold dismantles, forms the sound screen board. Because the pressing die is internally provided with the sharp pin, when the sound-absorbing material is placed in the pressing die, the bottom surface of the sound-absorbing material is propped against the end part of the sharp pin, so that the end part of the sharp pin can be inserted into the sound-absorbing material such as the sound-absorbing cotton, and when the pressing die is demoulded, the position of the sharp pin part is correspondingly provided with the sound-absorbing holes, so that each sound-absorbing hole is communicated with the sound-absorbing cotton, and the situation that the sound-absorbing holes are blocked is avoided. Meanwhile, as the panel is compacted by the sound screen panel pressing device to form grains, the density of the panel is high, and the grains on the panel increase the contact area and are firmly combined when the panel is combined with the back layer. Meanwhile, each device can be controlled by the PLC control system to work, so that the degree of automation is high, and the efficiency is high.

Further, the method also comprises a step S31, wherein the step S31 is positioned between the step S3 and the step S4, and the step S31 is to connect the vibration exhaust device with the pressing mould so as to flatten the concrete.

Further, step S61 is further included, step S61 is located between step S6 and step S7, and step S61 is: the vacuum suction device is connected with the pressing die to rapidly mold.

Further, step S62 is further included, step S62 is located between step S61 and step S7, and step S62 is: and connecting the cover plate with the pressing die, and then placing the whole in a curing system for curing.

Further, step S63 is further included, step S63 is located between step S62 and step S7, and step S63 is: the bottom frame is detached from the bottom plate or the die frame and conveyed to the input end of the first conveying line through the bottom frame conveying line.

Drawings

Fig. 1 is a schematic structural view of a pressed acoustic panel manufacturing system according to an embodiment of the present invention;

FIG. 2 is a process flow diagram of a pressed acoustic panel manufacturing system according to an embodiment of the invention;

fig. 3 is a schematic structural view of a pressing die according to an embodiment of the present invention;

fig. 4 is an exploded view of a pressing die according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a press mold bottom frame according to an embodiment of the present invention;

FIG. 6 is a schematic view of the structure of a press die spike pin according to an embodiment of the present invention;

FIG. 7 is a schematic view of an acoustic panel surface pressing apparatus according to an embodiment of the present invention;

FIG. 8 is a schematic view of another angle of an acoustic panel surface pressing apparatus according to an embodiment of the present invention;

FIG. 9 is a schematic diagram illustrating the connection of the mounting frame to the driving mechanism and the ram according to an embodiment of the present invention;

FIG. 10 is a schematic view of a panel pressed by an acoustic panel face pressing apparatus according to an embodiment of the present invention;

FIG. 11 is a schematic diagram of a vibrating exhaust apparatus according to an embodiment of the present invention;

fig. 12 is a schematic structural view of a vacuum suction device according to an embodiment of the present invention;

FIG. 13 is a schematic view showing a structure of a cover plate detached from a mold frame according to an embodiment of the present invention;

fig. 14 is a schematic structural view of an acoustic panel according to an embodiment of the present invention;

fig. 15 is a cross-sectional view of an acoustic panel according to an embodiment of the present invention.

Description of the reference numerals

The device comprises a conveying line 1, a first conveying line 11, a second conveying line 12, a ferry vehicle 13, a first die stacking machine 14, a second die stacking machine 15, a first plate stacking machine 16 and a second plate stacking machine 17;

the pressing die 2, the die frame 21, the vibration motor 211, the guide post 212, the bottom plate 22, the drain hole 221, the bottom frame 23, the tip pin 231, the mounting portion 2311, the forming portion 2312, the tapered portion 2313, the vibrator 232, the filter screen 24, the filter hole 241, the guide hole 25, and the connection hole 26;

a feeding device 3, a first feeding device 31 and a second feeding device 32;

the sound screen panel pressing apparatus 4, the base 41, the mounting frame 42, the driving mechanism 43, the pressing head 44, the embossing 441, the body 442, the through hole 4421, the side pressing block 443, the center pressing block 444, the connecting column 45, the connecting block 46, the guide insert 461;

the curing system 5, the pre-curing pit 51 and the steam curing pit 52;

a batching system 6;

a stirring system 7 and a cement bin 71;

a vibration exhaust device 8, a first connecting pin 81, a first frame 82, a vibration exhaust motor 83, and a vibration exhaust rod 84;

a vacuum suction device 9, a second frame 91, a suction cup 92 and a connection port 93;

the sound screen panel 10, the panel 101, the texture 1011, the back layer 102, the sound absorbing holes 103;

and a bottom frame circulating conveying line X.

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 15, a system for manufacturing a pressed sound panel according to an embodiment of the present invention includes a conveying line 1, a pressing die 2, a feeding device 3, a sound panel pressing device 4, and a curing system 5.

The pressing die 2 can circularly move on the conveying line 1, and a sharp pin 231 is arranged in the pressing die 2; the feeding device 3 is positioned at the side part of the conveying line 1, the feeding device 3 conveys concrete materials into the pressing die 2, and the pressing die 2 is used for compacting concrete; the sound screen panel pressing device 4 is positioned above the conveying line 1, and the sound screen panel pressing device 4 compacts the panel 101 and forms grains 1011 on the panel 101; the feeding device 3 conveys the concrete material into the pressing die 2, and the pressing die 2 performs compaction; the curing system 5 is located at the side of the conveyor line 1, and the curing system 5 receives and cures the pressing mold 2 together with the sound screen panel 10 preliminarily formed in the pressing mold 2.

When manufacturing the sound screen panel 10, the pressing mold 2 is placed on the conveying line 1, the conveying line 1 conveys the concrete, the feeding device 3 conveys the concrete into the pressing mold 2, the pressing mold 2 is compacted to form the panel 101, the conveying line 1 conveys the pressing mold 2 onto the sound screen panel pressing device 4, the panel 101 is further compacted by the sound screen panel pressing device 4 to form the texture 1011, the feeding device 3 conveys the concrete material into the pressing mold 2, the pressing mold 2 is compacted again to form the back layer 102, and finally the curing system receives 5 the pressing mold 2 together with the sound screen panel 10 which is preliminarily formed in the pressing mold 2 and carries out curing. Due to the fact that the conveying line 1 is arranged, the pressing die 2 can move on the conveying line 1 in a circulating mode, the automatic conveying of the pressing die 2 is achieved, efficiency is high, the feeding device 3 can automatically convey concrete materials, and the curing system 5 automatically receives the pressing die 2 and the sound screen plate 10 which is formed in the pressing die 2 in a preliminary mode for curing. The invention automatically produces the sound screen board 10, has high production efficiency, and simultaneously, the screen board panel pressing device 4 compacts the panel 101 and forms the grains 1011, so that the density of the panel 101 is larger, the grains 1011 can increase the contact area between the panel 101 and the back layer 102, and the connection between the panel 101 and the back layer 102 is firmer.

Optionally, the conveying line 1 includes a first conveying line 11 and a second conveying line 12, where one side of the first conveying line 11 is the feeding device 3, and one side of the second conveying line 12 is the maintenance system 5. Through setting up first transfer chain 11 and second transfer chain 12, make things convenient for press mold 2 to carry to first transfer chain 11 from second transfer chain 12, make press mold 2 can cyclic utilization, raise the efficiency.

In this example, this suppression sound screen manufacturing system still includes feed proportioning system 6 and mixing system 7, and feed proportioning system 6 input different materials cooperates, and mixing system 7 is connected with feed proportioning system 6 to stir the material after the batching is accomplished in order to form concrete, mixing system 7 is connected with material feeding unit 3. Wherein, the stirring system 7 is connected with a cement bin 71 to form better-quality concrete. The feeding means 3 may comprise a first feeding means 31 and a second feeding means 32, the first feeding means 31 being connected to the mixing system 7 and delivering concrete into the pressing mould 2 to form the panel 101 of the sound screen 10, and the second feeding means 32 being connected to the mixing system 7 and delivering concrete into the pressing mould 2 to form the backing layer 102 of the sound screen 10. The concrete forming the facing sheet 101 may have a slightly greater roughness than the concrete forming the backing sheet 102, unlike the concrete forming the backing sheet 102.

Further, the pressing sound panel manufacturing system further includes a vibration exhausting device 8, the vibration exhausting device 8 being located above the conveyor line 1, the vibration exhausting device 8 being movable up and down to be connected with the pressing die 2 to level the panel 101 concrete. Because of the relationship of the plurality of sharp pins 231, the cast concrete has poor fluidity, and the vibration exhaust device 8 is required to be matched for vibration exhaust in the example, so that the concrete is effectively flattened, and meanwhile, air in a gap between the concrete can be exhausted, so that the whole is compact, and the sound screen panel pressing device 4 is convenient for compacting the concrete.

In some examples, the system for manufacturing a pressed sound panel further comprises a vacuum suction device 9, wherein the vacuum suction device 9 is positioned above the conveying line 1, and the vacuum suction device 9 can move up and down to be connected with the pressing mould 2 so as to enable the concrete of the back layer 102 to be formed more quickly, and can suck away the moisture and the gas in the back layer 102 to enable the moisture and the gas to be formed quickly, so that the production efficiency is improved. The conveyor belt 1 may be a rotating roller or a conveyor belt.

As an example, a ferry vehicle 13 for transporting the pressing die 2 on the first conveyor line 11 into the curing system 5 is provided at the output end side portion of the first conveyor line 11. After the pressing die 2 on the first conveying line 11 is grabbed to the ferry vehicle 13 by the ferry vehicle 13, the ferry vehicle 13 moves to move the pressing die 2 into the curing system 5 for curing.

The curing system 5 in this example includes a pre-curing pit 51 and a steam curing pit 52; the ferry vehicle 13 moves the pressing die 2 and the sound screen plate 10 which is formed in the pressing die 2 in a preliminary way into the pre-curing pit 51 for pre-curing; the steam curing pit 52 receives the sound panel 10 after the pre-curing is completed and performs steam curing. The pre-curing and steam curing drive the quality of the finished sound panel 10 to be better.

In some examples, the output end of the first conveying line 11 is provided with a first die stacking machine 14 for grabbing the pressing dies 2 on the first conveying line 11 onto the ferry vehicle 13, and the second conveying line 12 is provided with a second die stacking machine 15 for grabbing the pressing dies 2 on the pre-curing pit 51 onto the second conveying line 12. The first die stacking machine 14 and the second die stacking machine 15 facilitate grabbing the pressing die 2, so that the pressing die 2 can be recycled between the first conveying line 11 and the second conveying line 12, and efficiency is improved. The first die stacking machine 14 and the second die stacking machine 15 are provided with a supporting block capable of supporting the pressing die 2 and a driving piece for driving the supporting block to move up and down, so that the pressing die 2 can be effectively grabbed.

Optionally, the pressing die 2 includes a die frame 21, a bottom plate 22, and a bottom frame 23; the mold frame 21 can be set in a vibrating manner; the bottom plate 22 is arranged at the bottom of the mold frame 21, and a plurality of drain holes 221 are formed in the bottom plate 22; the bottom frame 23 may be vibrationally disposed, the bottom frame 23 being disposed at the bottom of the mold frame 21 or the bottom of the bottom plate 22, and the bottom frame 23 being provided with a plurality of pointed pins 231 inserted into the drain holes 221 and protruding from the bottom plate 22.

When the acoustic panel 10 is manufactured, after the bottom plate 22 and the bottom frame 23 are mounted, a part of material such as concrete material may be added into the mold frame 21, the mold frame 21 is vibrated and the bottom frame 23 is vibrated to compact the concrete material into the panel 101, then the panel 101 after compacting may be pressed, for example, by the acoustic panel pressing device 4, then the sound absorbing material such as sound absorbing cotton is placed into the mold frame 21 so that the sound absorbing cotton is adjacent to the end of the tip pin 231, since the tip pin 231 has a tip shape, the tip portion of the tip pin 231 is inserted into the sound absorbing cotton after the tip pin 231 is placed, and then the concrete material is added into the mold frame 21 to cover the sound absorbing cotton, and finally the mold frame 21 is vibrated and the bottom frame 23 is vibrated to compact the concrete material into the back layer 102. Finally, after demolding, the sharp pin 231 is pulled out of the sound-absorbing cotton, and the sound-absorbing holes 103 are formed in the positions corresponding to the sharp pin 231, so that the sound-absorbing holes 103 of the manufactured sound screen plate 10 are communicated with the sound-absorbing cotton, and the sound-absorbing effect is good.

In some examples, a first plate stacking machine 16 is arranged between the second conveyor line 12 and the first conveyor line 11, and a second plate stacking machine 17 is arranged at the output end of the second conveyor line 12. After the pre-curing is performed by the pre-curing pit 51, the second stacking machine 15 moves the pressing die 2 to the second conveying line 12, at this time, the sound screen 10 is primarily solidified, the die frame 21 can be disassembled, the first stacking machine 16 moves the bottom plate 22 and the sound screen 10 on the bottom plate 22 to the steam curing pit 52 for steam curing, after the steam curing is completed, the second stacking machine 17 grabs the sound screen 10 to the second conveying line 12, the bottom plate 22 is disassembled, and the sound screen 10 can be packaged and conveyed.

In some examples, the pressing mold 2 further includes a filter screen 24, where a plurality of filter holes 241 are disposed on the filter screen 24, and the filter holes 241 are in one-to-one correspondence with the drain holes 221, and the filter screen 24 is located between the bottom plate 22 and the mold frame 21. After compaction, when compacting the concrete, the water in the concrete can enter the drain hole 221 from the filter hole 241, and finally the water is discharged from the bottom frame 23, so that the density after compaction is high, and meanwhile, the panel 101 can be molded faster due to the fact that the water is extruded, and the efficiency is further improved. The filter holes 241 in this example have a small pore size, and allow only moisture to pass through, and concrete cannot pass through the filter holes 241.

In some examples, each taper pin 231 includes a mounting portion 2311, a forming portion 2312, and a tapered portion 2313, the mounting portion 2311 is mounted on the base frame 23, one end of the forming portion 2312 is connected to the mounting portion 2311, the tapered portion 2313 is connected to the other end of the forming portion 2312, and the tapered portion 2313 can be inserted into the sound absorbing cotton. The taper portion 2313 is pointed, sound absorbing materials such as sound absorbing cotton are soft, the sound absorbing cotton is placed in the taper portion 2313, the taper portion 2313 is easy to insert into the sound absorbing cotton, after demolding, the taper portion 2313 is separated from the sound absorbing cotton, the sound absorbing holes 103 are formed in corresponding positions of the forming portion 2312, and therefore each sound absorbing hole 103 is guaranteed to be communicated with the sound absorbing cotton, and sound absorbing effects are good.

As an example, the molding portion 2312 has a truncated cone shape, and the diameter of the molding portion 2312 gradually increases from a direction approaching the tapered portion 2313 to a direction departing from the tapered portion 2313. That is, after demolding, the sound absorbing hole 103 is formed at a position corresponding to the molding portion 2312, and the molding portion 2312 is in a circular truncated cone shape, so that the sound absorbing hole 103 is also corresponding to a circular truncated cone shape, that is, a horn shape hole, and the aperture of the sound absorbing hole 103 gradually increases from being close to the sound absorbing cotton to being far away from the sound absorbing cotton, so that the absorbed sound can be reflected for multiple times through the sound absorbing hole 103 and enter the sound absorbing cotton, and the sound absorbing effect is further improved.

Wherein the diameter of the filtering hole 241 is larger than the maximum diameter of the molding portion 2312, so that moisture in the concrete may flow into the drain hole 221 through a gap formed between the filtering hole 241 and the molding portion 2312 and finally flow out of the bottom frame 23.

As shown in fig. 3 and 4, the vibration motor 211 is disposed at the side of the mold frame 21, two mounting plates may be extended from both sides of the mold frame 21, the vibration motor 211 may be disposed in two, and the two vibration motors 211 are respectively mounted on one mounting plate. The side of the bottom frame 23 is provided with a vibrator 232, one side of the bottom frame 23 is provided with a vibrator 232, and the other side of the bottom frame 23 is provided with another vibrator 232, wherein the vibrator 232 can be a pneumatic gear type vibrator. In this example, a guide post 212 is disposed at the bottom of the mold frame 21, and guide holes 25 into which the guide post 212 is inserted are disposed on the bottom plate 22 and the bottom frame 23. The end of the guide post 212 is in an inverted truncated cone shape, that is, the end of the guide post 212 has an arc-shaped guiding surface, so that the guide post 212 is more convenient to insert into the guide hole 25.

Further, the acoustic panel board pressing device 4 comprises a base 41, a mounting frame 42, a driving mechanism 43 and a pressing head 44; the mounting frame 42 is arranged on the base 41, and a mounting space is formed between the mounting frame 42 and the base 41; the driving mechanism 43 is positioned in the installation space, and the driving mechanism 43 is arranged on the installation frame 42; the ram 44 is connected to the drive mechanism 43 and is driven by the drive mechanism 43 toward or away from the base 41, the end of the ram 44 being provided with embossments 441.

When the sound screen board 10 is manufactured, concrete is poured into the pressing mold 2, the pressing mold 2 is used for preliminarily compacting the concrete to form the panel 101 of the sound screen board 10, then the pressing mold 2 is conveyed onto the base 41, the pressing head 44 is used for pressing the panel 101, during pressing, the embossing 441 is deep into the panel 101, the panel 101 is pressed to form the texture 1011, then the pressing mold 2 is conveyed to another station, sound absorbing cotton is put into the pressing mold 2, the concrete is poured into the pressing mold 2, the pressing mold 2 is used for compacting the concrete to form the back layer 102, the contact area between the back layer 102 and the panel 101 is increased due to the fact that the texture 1011 is formed by pressing the panel 101, and the combination between the back layer 102 and the panel 101 is firmer.

In some examples, the mounting bracket 42 is secured to the base 41 by a connecting post 45. As shown in fig. 7 and 8, four connecting columns 45 are provided in this example, which are respectively fixed at four corners of the base 41, one end of each connecting column 45 is connected with the base 41, the other end of each connecting column 45 is connected with the mounting frame 42, and an adjusting device may be provided on each connecting column 45 to adjust the distance between the base 41 and the mounting frame 42, thereby adjusting the height of the ram 44, facilitating adjustment of the pressing density of the panel 101, or being applicable to different types (height differences) of the sound screen panel 10.

The driving mechanism 43 may be two presses, and the two presses are uniformly arranged on the mounting frame 42, and the two presses are connected with a pressure head 44 to improve stability. The press is a press, a hydraulic press, an oil press for short, the press refers to a forming machine for forming industrial products by pressure, the press is the prior art, and the description is omitted here. By providing a press, the lowering distance of the ram 44 can be controlled to compact the panel 101.

As one example, the press is connected to the ram 44 by a connection block 46. That is, one side of the connection block 46 is fixed to the press, and the pressing head 44 is fixed to the other side of the connection block 46, so that different pressing heads 44 can be replaced, and different pressing heads 44 correspond to different embossments 441, so that different embossments 441 can be conveniently selected according to requirements, and different textures 1011 can be pressed. In order to facilitate accurate insertion of the ram 44 into the press die 2 for pressing, the side portion of the connection block 46 is provided with a guide insert rod 461 which is convenient to be inserted into the connection hole 26 of the press die 2. The end face of the guide insert rod 461 is a guide cambered surface, and when in pressing, the guide cambered surface of the guide insert rod 461 is inserted along the inner side wall of the connecting hole 26, so that the pressing is more accurate.

In this example, the pressing head 44 includes a body 442, and a plurality of side pressing blocks 443 and a plurality of center pressing blocks 444 fixed on the side of the body 442, the side pressing blocks 443 and the ends of the center pressing blocks 444 form the embossed patterns 441, the body 442 may be rectangular, the side pressing blocks 443 are four, and are respectively fixed on four sides of the body 442, the center pressing blocks 444 may be two, and the two center pressing blocks 444 are crossed and fixed on the bottom of the body 42 in a cross shape, so that the lines 1011 on the bottom of the panel 101 are in a shape of a field, so that the panel 101 and the back layer 102 are combined more firmly.

The embossments 441 are in a wave shape, so that the embossments 1011 formed on the panel 101 are also in a wave shape, so that when the back layer 102 of the sound screen panel 10 is manufactured, the contact area between the back layer 102 and the panel 101 is large, the combination firmness of the back layer 102 and the panel 101 is increased, the whole is firmer, and of course, the embossments 441 in the example can also be in a zigzag shape, and the principle is the same as above.

In some examples, a plurality of through holes 4421 are provided in the body 442, and in the pressing mold 2, a spike pin 231 is generally provided, and after concrete is placed in the pressing mold 2, the concrete covers a lower portion of the spike pin 231 and does not cover an upper portion of the spike pin 231, and the spike pin 231 allows the sound panel 10 manufactured by demolding to have the sound absorbing holes 103. In this example, a plurality of through holes 4421 are formed in the body 442, and when the panel 101 is pressed, the upper portions of the pins 231 are inserted into the through holes 4421 to form the texture 1011 on the panel 101.

Further, the system for manufacturing the pressed sound screen plate further comprises a bottom frame circulation conveying line X, wherein the bottom frame circulation conveying line X is located on one side of the first conveying line 11 and is arranged side by side on the first conveying line 11, and the bottom frame circulation conveying line X conveys the disassembled bottom frame 23. Because this sound screen board 10 is the suppression formation, places behind the apron 5, can deviate from the underframe 23 of taking sharp round pin 231, improves the utilization ratio of underframe 23 and avoids controlling bad drawing of patterns time and lead to sharp round pin 231 to take off, and underframe 23 can carry to the input of first transfer chain 11 through underframe circulation transfer chain X, improves the effect, practices thrift the cost.

In this example, the top of the die frame 21 may also be provided with a connecting hole 26, and the entire pressing die 2 may be transported along the transport line. When the pressing die 2 is conveyed to the vibration exhaust station, the vibration exhaust device 8 is provided with the first connecting pin 81, the first connecting pin 81 is inserted into the connecting hole 26 to be connected, and then the vibration exhaust device 8 works to effectively spread concrete, and meanwhile air in a gap formed between the concrete is conveniently exhausted, so that the whole is compact. As shown in fig. 11, the vibration exhaust device 8 further has a first frame 82, a vibration exhaust motor 83, and a vibration exhaust rod 84, the first connection pin 81 is fixed to the first frame 82, the vibration exhaust motor 83 is provided on the first frame 82, an end portion of the vibration exhaust rod 84 is inserted into the concrete, and the vibration exhaust rod 84 is connected to the vibration exhaust motor 83 and is driven to vibrate by the vibration exhaust motor 83 to effectively flatten the concrete.

When the pressing die 2 is conveyed to the vacuum suction station, as shown in fig. 12, the vacuum suction device 9 is provided with a second frame 91, a suction cup 92 and a connection port 93, the second frame 91 is connected with the pressing die 2, the suction cup 92 is connected with the second frame 91, the suction cup 92 is close to the back layer 102, the connection port 93 is connected with the suction cup 92, and the connection port 93 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 formed more rapidly, and the production efficiency is improved.

When the pressing die 1 is conveyed to the front of the curing station, as shown in fig. 13, a cover plate 5 is installed, a second connecting pin 51 may be provided on the cover plate 5, the second connecting pin 51 is inserted into the connecting hole 26 to be connected, and then the pressing die 2 may be integrally grasped to the pre-curing pit for curing. After curing, the pressing die 2 can be disassembled, and the pressing die 2 can be reused.

In order to achieve the above object, an embodiment of the present invention further provides a method for manufacturing a pressed sound screen panel, including the steps of:

step S1, different materials are input into a batching system 6 for matching, and a stirring system 7 receives the matched materials of the batching system 6 and stirs the matched materials to form concrete;

step S2, placing the pressing die 2 at the input end of the conveying line 1, and moving the pressing die 2 to different stations by the conveying line 1, wherein the pressing die 2 is internally provided with a sharp pin 231;

step S3, the conveying line 1 moves the pressing die 2 to a feeding station, the feeding device 3 sends concrete into the pressing die 2, and the pressing die 2 vibrates to form the panel 101 of the sound screen plate 10;

step S4, the conveyor line 1 moves the pressing die 2 to a pressing station, and the acoustic panel board pressing device 4 compacts the panel 101 and forms grains 1011 on the panel 101;

step S5, a sound absorbing material is put in, and the bottom surface of the sound absorbing material is abutted against the end part of the sharp pin 231;

step S6, the conveying line 1 moves the pressing die 2 to the next feeding station, the feeding device 3 sends concrete into the pressing die 2, and the pressing die 2 vibrates to form the back layer 102 of the sound screen plate 10;

step S7, placing the pressing die 2 and the sound screen plate 10 preliminarily formed in the pressing die 2 into a curing system 5 for curing;

in step S8, the pressing mold 2 is disassembled to form the acoustic panel 10.

In manufacturing the acoustic panel 10, the feeding device 3 sends concrete into the pressing die 2, the panel 101 of the acoustic panel 10 is formed by vibrating the pressing die 2, the panel 101 is compacted by the acoustic panel pressing device 4, the grain 1011 is formed on the panel 101, the conveying line 1 moves the pressing die 2 to the next feeding station, the feeding device 3 sends concrete into the pressing die 2, the back layer 102 of the acoustic panel 10 is formed by vibrating the pressing die 2, the pressing die 2 and the acoustic panel 10 preliminarily formed in the pressing die 2 are placed into the curing system 5 for curing, and the pressing die 2 is disassembled to form the acoustic panel 10. Since the pressing mold 2 is provided with the pointed pin 231, when the sound-absorbing material is placed in, the bottom surface of the sound-absorbing material is abutted against the end part of the pointed pin 231, so that the end part of the pointed pin 231 can be inserted into the sound-absorbing material such as the sound-absorbing cotton, and when the mold is released, the position of part of the pointed pin 231 is correspondingly formed with the sound-absorbing holes 103, so that each sound-absorbing hole 103 is communicated with the sound-absorbing cotton, and the situation that the sound-absorbing holes 103 are blocked is avoided. Meanwhile, as the panel 101 is compacted by the sound screen panel pressing device 4 to form the grains 1011, the density of the panel 101 is larger, and when the grains 1011 on the panel 101 combine the panel 101 with the back layer 102, the contact area is increased, and the combination is firm. Meanwhile, each device can be controlled by the PLC control system to work, so that the degree of automation is high, and the efficiency is high.

In some examples, step S31 is also included, step S31 being located between step S3 and step S4, step S31 being to connect the vibration exhaust device 8 with the pressing die 2 to flatten the concrete. Because of the relationship of the plurality of sharp pins 231, the cast concrete has poor fluidity, and the vibration exhaust device 8 is required to be matched for vibration exhaust in the example, so that the concrete is effectively flattened, and meanwhile, air in a gap between the concrete can be exhausted, so that the whole is compact, and the sound screen panel pressing device 4 is convenient for compacting the concrete.

Further, step S61 is further included, step S61 is located between step S6 and step S7, and step S61 is: the vacuum suction device 9 is connected to the pressing die 2 for rapid molding. The vacuum suction device 9 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.

Optionally, the method further includes step S62, step S62 is located between step S61 and step S7, and step S62 is: the cover plate 5 is connected with the pressing mold 2, and then the whole is placed in a curing system 5 for curing. Step S62 is to put the whole body into the pre-curing pit 51 for curing by placing the cover plate 5, to improve the production efficiency, to disassemble the cover plate 5 after curing, and to disassemble the pressing mold 2, thereby completing the manufacture of the sound screen panel 10.

In this example, the method further includes step S63, where step S63 is located between step S62 and step S7, and step S63 is: the bottom frame 23 is detached from the bottom plate 22 or the mold frame 21, and the bottom frame 23 is conveyed to the input end of the first conveying line 11 through the bottom frame conveying line X.

Since the sound screen panel 10 is formed by compaction, the bottom frame 23 can be detached after the back layer 102 is quickly sucked away by the vacuum suction device 9, and at this time, the sound screen panel 10 is supported by the bottom plate 22, and the sound screen panel 10 in the bottom plate 22 and the mold frame 21 can be placed in the curing system 5 for curing without affecting the curing of the sound screen panel 10. And the underframe 23 can be conveyed to the input end of the first conveying line 11 through the underframe conveying line X after being disassembled for utilization, so that the efficiency is greatly improved.

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

1. A pressed acoustic panel manufacturing system, characterized by: comprises a conveying line, a pressing die, a feeding device, a sound screen panel pressing device and a maintenance system;

the pressing die can circularly move on the conveying line, and a sharp pin is arranged in the pressing die; the feeding device is positioned at the side part of the conveying line, the feeding device conveys the concrete material into the pressing die, and the pressing die is used for compacting the concrete; the sound screen panel pressing device is positioned above the conveying line and is used for compacting the panel and forming grains on the panel; the feeding device conveys the concrete material into the pressing mould, and the pressing mould is used for compaction; the curing system is positioned at the side part of the conveying line, and is used for receiving the pressing die and the sound screen plate preliminarily formed in the pressing die and curing;

the pressing die comprises a die frame, a bottom plate and a bottom frame; the mold frame can be arranged in a vibrating way; the bottom plate is arranged at the bottom of the mold frame, and a plurality of drain holes are formed in the bottom plate; the bottom frame can be arranged in a vibrating way, is arranged at the bottom of the bottom plate, and is provided with a plurality of sharp pins which are inserted into the drain holes and protrude out of the bottom plate; each taper pin comprises a mounting part, a forming part and a taper part, wherein the mounting part is mounted on the bottom frame, one end of the forming part is connected with the mounting part, the taper part is connected with the other end of the forming part, and the taper part can be inserted into the sound-absorbing cotton;

the die frame top sets up the connecting hole, and whole embossing mold utensil carries along the transfer chain, and when embossing mold utensil carried to maintenance station the place ahead, the installation apron sets up the second connecting pin on the apron, and the second connecting pin inserts the connecting hole and connects, places the apron after, can deviate from the underframe of the embossing mold utensil of taking sharp round pin.

2. The pressed acoustic panel manufacturing system of claim 1, wherein: the transfer chain includes first transfer chain and second transfer chain, and first transfer chain one side is material feeding unit, and second transfer chain one side is maintenance system.

3. The pressed acoustic panel manufacturing system of claim 1, wherein: the concrete mixer further comprises a batching system and a stirring system, wherein different materials are input into the batching system to be matched, the stirring system is connected with the batching system and is used for stirring the materials after batching is completed to form concrete, and the stirring system is connected with the feeding device.

4. The pressed acoustic panel manufacturing system of claim 1, wherein: the vibration exhaust device is positioned above the conveying line and can move up and down to be connected with the pressing die so as to flatten the panel concrete; the concrete molding machine also comprises a vacuum suction device, wherein the vacuum suction device is positioned above the conveying line and can move up and down to be connected with the pressing mold so as to enable the back layer concrete to be molded more quickly.

5. The pressed acoustic panel manufacturing system of claim 1, wherein: the sound screen panel pressing device comprises a base, a mounting frame, a driving mechanism and a pressing head; the mounting frame is arranged on the base, and a mounting space is formed between the mounting frame and the base; the driving mechanism is positioned in the installation space and is arranged on the installation frame; the pressure head is connected with the driving mechanism and driven by the driving mechanism to be close to or far away from the base, and the end part of the pressure head is provided with embossing.

6. The pressed acoustic panel manufacturing system of claim 5, wherein: the pressure head comprises a body, a plurality of side pressing blocks fixed on the side part of the body and a plurality of center pressing blocks fixed on the middle part of the body, and the end parts of the side pressing blocks and the center pressing blocks form the embossing.

7. The pressed acoustic panel manufacturing system of claim 6, wherein: the embossments are wavy or zigzag.

8. A manufacturing method based on the pressed acoustic panel manufacturing system according to any one of claims 1 to 7, characterized by comprising the steps of:

and S8, disassembling the pressing die to form the sound screen plate.