CN115782355A - Sound insulation pad production line - Google Patents

Abstract

The invention discloses a sound insulation pad production line, and relates to the field of sound insulation pad preparation. The sound insulation pad production line comprises a carding machine, a first conveying mechanism, a second conveying mechanism and a cloth sticking machine which are sequentially arranged; the melt-blowing machine is arranged on the second conveying mechanism; the discharge hole of the first conveying mechanism is positioned between the melt-blowing machine and the second conveying mechanism; the first conveying mechanism is used for enabling the hollow fibers to fall from the upper part of the second conveying mechanism. The sound insulation pad production line combs the hollow fiber raw material, and then cross-links the hollow fiber and the melt-blown fiber in the air, so that the cross-linking density of the sound absorption cotton in the sound insulation pad is higher.

Description

Sound insulation pad production line

Technical Field

The invention relates to the field of sound insulation pad preparation, in particular to a sound insulation pad production line.

Background

The soundproof pad is a material widely used in indoor environments, and generally consists of sound-absorbing cotton and cloth materials adhered to the top and bottom surfaces of the sound-absorbing cotton, respectively. In order to improve the sound-insulating effect of the sound-insulating mat, the structure of the sound-absorbing cotton is further modified to increase the porosity and crosslinking density.

The bicomponent sound absorption cotton is a material with better sound insulation effect at present, and can be formed by cross-linking hollow fibers and melt-blown fibers. In the production process of the bi-component sound-absorbing cotton, the melt-blown fibers are sprayed out by the melt-blowing machine and then freely fall onto the hollow fibers passing below and are bonded with the hollow fibers, and most of the melt-blown fibers can only be bonded on the surface because the hollow fibers have certain thickness and are not high in looseness.

It is seen that improvements and enhancements to the prior art are needed.

Disclosure of Invention

In view of the defects of the prior art, the invention aims to provide a sound insulation pad production line, and aims to solve the technical problem that the cross-linking density of bi-component sound-absorbing cotton is not high due to the fact that melt-blown fibers cannot penetrate into the middle of hollow fibers in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

a sound insulation pad production line comprises a carding machine, a first conveying mechanism, a second conveying mechanism and a cloth sticking machine which are arranged in sequence; the melt-blowing machine is arranged on the second conveying mechanism; the discharge hole of the first conveying mechanism is positioned between the melt-blowing machine and the second conveying mechanism; the first conveying mechanism is used for enabling the hollow fibers to fall from the upper part of the second conveying mechanism.

The production line of the sound insulation pad is characterized in that the first conveying mechanism comprises a cotton spraying structure and a first conveying belt which is obliquely and upwards arranged; the cotton spraying structure is arranged at the downstream of the first conveying belt and used for spraying the hollow fibers onto the second conveying mechanism.

Give sound insulation and fill up production line, wherein, spout cotton structure including spouting cotton pipeline and blow the wind pipeline, blow the wind outlet of wind pipeline set up in spout the feed end of cotton pipeline, blow the wind pipeline and be used for blowing out hollow fiber to second conveying mechanism's top.

Give sound insulation and fill up production line, wherein, still be provided with the licker-in between spouting cotton structure and the first conveyer belt, the licker-in sets up on spouting the feed inlet of cotton pipeline for take the hollow fiber of first conveyer belt to spout in the cotton pipeline.

The production line of the sound insulation pad is characterized in that the second conveying mechanism comprises a second support, a second conveying belt and a plurality of second conveying rollers arranged on the second support, and the second conveying belt is arranged on the plurality of second conveying rollers; a plurality of meshes are arranged on the second conveying belt, and the second conveying belt surrounds to form an annular space; the air suction device is arranged in an annular space formed by the second conveying belt and is used for adsorbing the sprayed hollow fibers and melt-blown fibers on the second conveying belt.

The soundproof pad production line, wherein, second conveying mechanism still includes the cleaning brush, the cleaning brush with the second support is articulated, the cleaning brush is used for sweeping off remaining fibre on the second conveyer belt.

The production line of the sound insulation pad is characterized in that a horizontal moving device is arranged below the second conveying mechanism and used for enabling the second conveying mechanism to leave the lower area of the discharge port of the melt-blowing machine.

The soundproof pad production line is characterized in that a lifting device is further arranged below the second conveying mechanism and arranged between the second conveying mechanism and the horizontal moving device, and the lifting device is used for adjusting the height of the second conveying mechanism.

The sound insulation pad production line is characterized in that the melt-blowing machine comprises a feeding machine, a screw extruder, a filtering device, a metering pump and a spinning structure which are sequentially connected; and the discharge hole of the spinning structure is arranged above the second conveying mechanism.

The cloth sticking machine comprises a rack, and a first unreeling structure, a first glue spraying structure, a first pair of rollers, a second glue spraying structure, a second unreeling structure, a second pair of rollers and a reeling structure which are sequentially arranged on the rack; a plurality of third conveying rollers are respectively arranged among the first unreeling structure, the first glue spraying structure, the first pair of rollers, the second glue spraying structure, the second unreeling structure, the second pair of rollers and the reeling structure; the first third conveyer belt that has erect above unreeling structure and the first gluey structure of spouting, the third conveyer belt drives through a plurality of third conveying rollers, the entrance point of third conveyer belt with second conveying mechanism connects, the third conveyer belt is used for inhaling the sound cotton with the bi-component and carries to first pair roller.

Has the beneficial effects that:

the invention provides a sound insulation pad production line, wherein hollow fibers are carded by a carding machine, then conveyed to the upper part of a second conveying mechanism through a first conveying mechanism, so that the hollow fibers fall to the second conveying mechanism, and are crosslinked with melt-blown fibers falling from the upper part in the falling process and then fall onto the second conveying mechanism, so that two fiber components can be fully mixed, and the crosslinking density of bi-component sound-absorbing cotton is higher.

Drawings

Fig. 1 is a first reference view showing a state of use of the soundproof pad production line.

Fig. 2 is a view showing a state of use of the soundproof pad manufacturing line with reference to fig. two.

Fig. 3 is a first schematic structural view of a soundproof pad production line.

Fig. 4 is an enlarged view of fig. 3 at a.

Fig. 5 is a second schematic structural view of the soundproof pad production line.

Fig. 6 is an enlarged view of fig. 5 at B.

Fig. 7 is an enlarged view of fig. 5 at C.

Description of the main element symbols: 1-carding machine, 2-first conveying mechanism, 3-second conveying mechanism, 4-cloth sticking machine, 5-melt blowing machine, 21-first support, 22-first conveying belt, 23-cotton spraying structure, 24-licker-in, 231-cotton spraying pipeline, 232-blowing pipeline, 31-second support, 32-second conveying belt, 33-mesh, 34-suction device, 35-cleaning brush, 36-connecting piece, 6-horizontal moving device, 61-third support, 62-third motor, 63-roller, 64-guide rail, 341-suction fan, 342-suction pipeline, 7-lifting device, 71-fourth motor, 72-supporting piece, 73-screw, 51-feeding machine, 52-screw extruder, 53-filtering device, 54-metering pump, 55-spinning structure, 551-spinning plate, 552-spraying hole, 8-compressed air pipeline, 41-first unreeling structure, 42-first glue spraying structure, 43-first glue spraying structure, 44-second pair-roller structure, 44-pair-glue spraying structure, 45-pair roller structure, 49-pair-hot melt glue machine, 49-rolling structure, and 49-pair roller-third pair glue spraying structure.

Detailed Description

The invention provides a sound insulation pad production line, which is further described in detail below by referring to the attached drawings and embodiments in order to make the purpose, technical scheme and effect of the invention clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, the meaning of "a plurality" is two or more unless otherwise specified.

Referring to fig. 1, the present invention provides a soundproof pad production line, which includes a carding machine 1, a first conveying mechanism 2, a second conveying mechanism 3 and a cloth sticking machine 4, which are sequentially arranged; the device also comprises a melt-blowing machine 5, wherein the melt-blowing machine 5 is erected on the second conveying mechanism 3; the discharge port of the first conveying mechanism 2 is positioned between the melt-blowing machine 5 and the second conveying mechanism 3. The carding machine 1 is used for carding hollow fiber raw materials, so that the originally agglomerated fibers are dispersed and carded into a loose hollow fiber layer, thereby facilitating the penetration of melt-blown fibers into the middle of the hollow fibers and improving the crosslinking density. The first conveying mechanism 2 is used for conveying the hollow fibers to the upper side of the second conveying mechanism 3, and when the hollow fibers fall towards the second conveying mechanism 3, the hollow fibers and the melt-blown fibers falling from the melt-blowing machine 5 are subjected to cross-linking bonding to form sound-absorbing cotton with uniform cross-linking density and good permeability of two fiber components. The prepared sound-absorbing cotton is conveyed to a cloth sticking machine 4 through a second conveying mechanism 3, cloth sticking of the top surface and the bottom surface is carried out, and the sound-insulating pad is prepared after rolling.

According to the use requirement, the carding machine 1 can adopt a plurality of carding machines 1 with the same or different models for combination so as to improve the carding effect.

Referring to fig. 2, in one embodiment, the first conveying mechanism 2 includes a first support 21, a first conveying belt 22 and a plurality of first conveying rollers disposed on the first support 21, and the first conveying belt 22 is disposed obliquely upward and disposed on the plurality of first conveying rollers. A plurality of first conveying roller transmission is connected to drive through first motor.

The first conveying mechanism 2 further comprises a cotton spraying structure 23, and the cotton spraying structure 23 is arranged at the downstream of the first conveying belt 22 and used for spraying the hollow fibers onto the second conveying mechanism 3.

Referring to fig. 5, the cotton spraying structure 23 includes a cotton spraying pipe 231 and an air blowing pipe 232, and an air outlet of the air blowing pipe 232 is disposed at a feeding end of the cotton spraying pipe 231. The blow line 232 is connected to the compressed air line 8 and controls the air flow through the intake valve. Referring to fig. 3 and 5, the feed inlet of the cotton spraying pipe 231 faces upward, and the discharge outlet of the first conveyor belt 22 is located above the feed inlet of the cotton spraying pipe 231. The hollow fibers are conveyed to a high-position cotton spraying pipe 231 by a first conveyor belt 22, then are sprayed from the cotton spraying pipe 231, intersect with the melt-blown fibers, are cross-linked, and finally fall on a second conveying mechanism 3.

Referring to fig. 3 and 4, in one embodiment, a licker-in 24 is further disposed between the cotton spraying structure 23 and the first conveyor belt 22, and the licker-in 24 is disposed on the feed opening of the cotton spraying pipe 231 and is in transmission connection with the first motor. Specifically, the lower portion of the taker-in cylinder 24 is located in the cotton spray pipe 231. The licker-in 24 is used for bringing the hollow fibers of the first conveying belt 22 into the cotton spraying pipe 231, and the air outlet blows air to blow off the hollow fibers on the licker-in 24. The hollow fibers blown out can be looser, thinner and more cross-linked with the meltblown fibers by the lickerin roll 24.

Referring to fig. 2, in one embodiment, the second conveying mechanism 3 includes a second support 31, a second conveying belt 32, and a plurality of second conveying rollers disposed on the second support 31, wherein the second conveying belt 32 is disposed on the plurality of second conveying rollers; the conveying device further comprises a second motor, and the second motor is in transmission connection with the second conveying rollers. A plurality of meshes 33 are arranged on the second conveying belt 32, and the second conveying belt 32 is enclosed to form an annular space; the device further comprises an air suction device 34, wherein an air suction port of the air suction device 34 is arranged in an annular space formed by the second conveying belt 32, and the air suction port of the air suction device 34 faces upwards and is used for adsorbing the sprayed hollow fibers and melt-blown fibers on the second conveying belt 32 above the air suction port.

Referring to fig. 2 and 6, in an embodiment, the second conveying mechanism 3 further includes a cleaning brush 35, and the cleaning brush 35 is used for sweeping away the residual fibers on the second conveying belt 32 to prevent the residual fibers from blocking the mesh 33 and affecting the adsorption effect of the suction device 34. Specifically, the cleaning brush 35 is hinged to the second bracket 31, and a brush head of the cleaning brush 35 abuts against a rear side surface of the second conveyor belt 32. After the second conveyer belt 32 conveys the bi-component sound-absorbing cotton to the cloth sticking machine 4, the bi-component sound-absorbing cotton is rotated to the feeding end under the action of the second conveyer belt, the second conveyer belt 32 is rotated to contact with the cleaning brush 35, and the fiber filaments embedded in the mesh 33 can be brushed out by the cleaning brush 35.

Referring to fig. 5, in one embodiment, a horizontal moving device 6 is disposed below the second conveying mechanism 3, and the horizontal moving device 6 is used for moving the second conveying mechanism 3 away from the lower area of the discharge port of the melt-blowing machine 5. Referring to fig. 2, after the production is finished, the second conveying mechanism 3 leaves the lower area of the discharge port of the melt-blowing machine 5 through the horizontal moving device 6 to make room, so that a worker can stand below the discharge port of the melt-blowing machine 5 to clean the discharge port of the melt-blowing machine 5 after the production is finished. In addition, after the production is finished, the second conveying mechanism 3 is not provided with hollow fibers, but the discharge port of the melt-blowing machine 5 is provided with residual fibers which are not completely solidified, the residual fibers can drop onto the second conveying belt 32 of the second conveying mechanism 3 and block the mesh holes 33 on the second conveying belt 32, and the occurrence of the situation can be effectively avoided through the horizontal moving device 6.

Referring to fig. 1, 2 and 5, in one embodiment, the cotton spraying structure 23 is erected above the second conveying mechanism 3, an empty floor is disposed below the cotton spraying structure 23, the length of the empty floor is greater than that of the second conveying mechanism 3, and the second conveying mechanism 3 can be moved to the empty floor by the horizontal moving device 6, so that the second conveying mechanism 3 does not occupy space on both sides when moving. When production is needed, the second conveying mechanism 3 is moved by the horizontal moving device 6, so that the second conveying mechanism 3 is connected with the feeding end of the cloth sticking machine 4.

Referring to fig. 6, in one embodiment, the horizontal moving device 6 includes a third bracket 61, and a third motor 62 and a plurality of rollers 63 disposed on the third bracket 61, the third bracket 61 is fixedly connected to the second conveying mechanism 3, and the third motor 62 is in transmission connection with the plurality of rollers 63 for driving the rollers 63 to rotate. Preferably, the roller 63 is a directional roller that can move back and forth in the conveying direction of the second conveying mechanism 3. In one embodiment, a guide rail 64 is further disposed below the horizontal moving device 6, the extending direction of the guide rail 64 is the same as the conveying direction of the second conveying mechanism 3, and the guide rail 64 is used for limiting the moving direction of the horizontal moving device 6, so as to avoid the occurrence of direction deviation during the back and forth movement of the horizontal moving device 6, which results in that the second conveying mechanism 3 is not aligned with the upstream and downstream equipment.

Referring to fig. 1 and fig. 2, in one embodiment, the suction device 34 includes a suction fan 341 and an air suction pipe 342, a pipe opening of the air suction pipe 342 is fixedly connected to the second bracket 31, and the air suction pipe 342 is an extension pipe. The exhaust fan 341 is fixed in the production workshop and cannot move, and in the moving process of the second conveying mechanism 3, the exhaust pipeline 342 can be stretched to avoid the insufficient length of the exhaust pipeline.

Referring to fig. 5, in an embodiment, a lifting device 7 is further disposed below the second conveying mechanism 3, the lifting device 7 is disposed between the second conveying mechanism 3 and the horizontal moving device 6, and the lifting device 7 is configured to adjust a height of the second conveying mechanism 3, so as to adjust distances between the second conveying belt 32 and a discharge port of the melt-blowing machine 5 and a discharge port of the cotton spraying pipe 231. Produce the bigger sound cotton of inhaling of thickness as needs, can slow down the conveying speed of second conveyer belt 32 to reduce second conveying mechanism 3's height through elevating gear 7, make melt-blown 5 discharge gates, spout and can form the bigger sound cotton of inhaling of thickness between cotton pipeline 231 discharge gate and the top surface of second conveyer belt 32, and can not block up the discharge gate of two kinds of fibre components.

Referring to fig. 6, in one embodiment, the lifting device 7 includes a fourth motor 71 and a plurality of rotating structures in transmission connection with the fourth motor 71; the rotating structure comprises a support 72 and a screw 73; the screw rod 73 is vertically arranged, and the lower part of the screw rod is inserted into the support 72 and is rotationally connected with the support 72; the upper part of the screw 73 is in threaded connection with the second conveying mechanism 3; the support 72 is fixed on the horizontal moving device 6; the fourth motor 71 is in transmission connection with the lower part of the screw 73 and is used for rotating the screw 73.

Referring to fig. 6, specifically, a plurality of connecting pieces 36 are arranged on the outer side surface of the second support 31 of the second conveying mechanism 3, the connecting pieces 36 are arranged corresponding to the screw rods 73, through holes are vertically arranged on the connecting pieces 36, and the upper portions of the screw rods 73 penetrate through the through holes and are in threaded connection with the through holes. The plurality of screws 73 are driven by the fourth motor 71 to rotate simultaneously, and when the connecting member 36 and the screws 73 move relatively, the connecting member 36 moves upward or downward along the external thread on the screws 73, so that the height of the second conveying mechanism 3 is changed.

Referring to fig. 2, in one embodiment, the melt blowing machine 5 includes a feeding machine 51, a screw extruder 52, a filtering device 53, a metering pump 54 and a spinning structure 55 connected in sequence; the discharge port of the spinning structure 55 is arranged above the second conveying mechanism 3. The feeder 51 is used for feeding plastic raw material particles to the screw extruder 52, the plastic raw material particles are melted to form a liquid state after passing through the screw extruder 52, the filtering device 53 is used for filtering particle impurities in molten plastic, and the filtered molten plastic is sprayed out of the spinning structure 55 through the metering pump 54.

Preferably, the melt-blowing machine 5 further comprises a pressure sensor and a control device, and the control device is electrically connected with the pressure sensor and the feeder 51 respectively; the pressure sensor is provided between the filtering device 53 and the screw extruder 52, when the amount of material extruded from the screw extruder 52 decreases, the detection value of the pressure sensor decreases, and the control device controls the start of the feeder 51 to feed more raw material particles to the screw extruder 52 after receiving the signal of the pressure value.

Referring to fig. 7, in one embodiment, the spinning structure 55 includes a spinneret 551 and a plurality of orifices 552 disposed on the spinneret 551; the plurality of injection holes 552 communicate with the metering pump 54; a plurality of air holes 553 formed on the spinneret plate 551; the plurality of air holes 553 are disposed at one side of the plurality of nozzle holes 552, and blow the molten plastic ejected from the nozzle holes 552 into fiber threads. Specifically, the air hole 553 is connected to the compressed air pipe 8.

Referring to fig. 2, the cloth bonding machine 4 includes a frame, and a first unwinding structure 41, a first glue spraying structure 42, a first pair of rollers 43, a second glue spraying structure 44, a second unwinding structure 50, a second pair of rollers 45, and a winding structure 46, which are sequentially disposed on the frame; a plurality of third conveying rollers 47 are respectively arranged between the first unreeling structure 41, the first glue spraying structure 42, the first pair of rollers 43, the second glue spraying structure 44, the second pair of rollers 45, the second unreeling structure 50 and the reeling structure 46; a third conveying belt 48 is erected above the first unreeling structure 41 and the first glue spraying structure 42, the third conveying belt 48 is driven by a plurality of third conveying rollers 47, the inlet end of the third conveying belt 48 is connected with the second conveying mechanism 3, and the third conveying belt 48 is used for conveying the bicomponent sound absorbing cotton to the first pair of rollers 43. First unreel structure 41 and be used for emitting the bottom non-woven fabrics, then the bottom non-woven fabrics is through first gluey structure 42 that spouts, first gluey structure 42 of spouting is with the hot melt adhesive spraying at the top surface of bottom non-woven fabrics, the top surface that the cotton was inhaled to the double-component bottom surface and bottom non-woven fabrics compresses tightly the bonding through first pair roller 43, the cotton top surface spraying hot melt adhesive is inhaled at the double-component to second gluey structure 44 after that, the second unreels structure 50 and emits the top layer non-woven fabrics, under the effect of second pair roller 45, the cotton top surface of sound is inhaled to the bottom surface of top layer non-woven fabrics and double-component compresses tightly the bonding, carry at last and carry out the rolling to rolling structure 46. Specifically, the first glue spraying structure 42 and the second glue spraying structure 44 are respectively connected with a hot melt glue machine 49, and a hot melt glue is provided through the hot melt glue machine 49.

In summary, the invention sufficiently combs the hollow fiber raw material through the carding machine 1 to ensure that the hollow fiber is sufficiently fluffy and dispersed, then conveys the hollow fiber to the upper part of the second conveying mechanism 3 through the first conveying mechanism 2, and enables the hollow fiber to be crosslinked with the falling melt-blown fiber in the falling process, so that the crosslinking density of two fiber components can be larger.

It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.

Claims (10)

1. A sound insulation pad production line is characterized by comprising a carding machine, a first conveying mechanism, a second conveying mechanism and a cloth sticking machine which are arranged in sequence; the melt-blowing machine is arranged on the second conveying mechanism; the discharge hole of the first conveying mechanism is positioned between the melt-blowing machine and the second conveying mechanism; the first conveying mechanism is used for enabling the hollow fibers to fall from the upper part of the second conveying mechanism.

2. The acoustic insulator mat production line as set forth in claim 1, wherein said first conveying mechanism includes a cotton spray structure and a first conveyor belt disposed obliquely upward; the cotton spraying structure is arranged at the downstream of the first conveying belt and used for spraying the hollow fibers onto the second conveying mechanism.

3. The acoustic mat production line of claim 2, wherein the blowing structure comprises a blowing duct and a blowing duct, an air outlet of the blowing duct is disposed at a feeding end of the blowing duct, and the blowing duct is used for blowing out the hollow fibers to a position above the second conveying mechanism.

4. The soundproof pad production line of claim 3, wherein a licker-in is further disposed between the cotton spraying structure and the first conveying belt, and the licker-in is disposed at a feed inlet of the cotton spraying pipe for bringing the hollow fiber of the first conveying belt into the cotton spraying pipe.

5. The acoustic insulator mat manufacturing line as set forth in claim 4 wherein said second conveyor mechanism includes a second support, a second conveyor belt and a plurality of second conveyor rollers disposed on the second support, said second conveyor belt being disposed on the plurality of second conveyor rollers; a plurality of meshes are arranged on the second conveying belt, and the second conveying belt is encircled to form an annular space; the air suction device is arranged in an annular space formed by the second conveying belt and is used for adsorbing the sprayed hollow fibers and melt-blown fibers on the second conveying belt.

6. The acoustic insulator mat manufacturing line as set forth in claim 5 wherein said second conveyor mechanism further includes a cleaning brush hingedly connected to said second support, said cleaning brush for sweeping residual fibers from said second conveyor belt.

7. The acoustic insulator mat production line as set forth in claim 1, wherein a horizontal moving device is provided below said second conveying mechanism for moving said second conveying mechanism away from a lower area of the discharge port of the melt-blowing machine.

8. The soundproof pad production line of claim 7, wherein a lifting device is further disposed below the second conveying mechanism, the lifting device being disposed between the second conveying mechanism and the horizontal moving device, the lifting device being configured to adjust a height of the second conveying mechanism.

9. The acoustic mat production line of claim 1, wherein the melt-blowing machine comprises a feeder, a screw extruder, a filtering device, a metering pump and a spinning structure connected in sequence; and the discharge hole of the spinning structure is arranged above the second conveying mechanism.

10. The acoustic mat production line of claim 1, wherein the cloth bonding machine comprises a frame and a first unwinding structure, a first glue spraying structure, a first pair of rollers, a second glue spraying structure, a second unwinding structure, a second pair of rollers and a winding structure, which are sequentially arranged on the frame; a plurality of third conveying rollers are respectively arranged among the first unreeling structure, the first glue spraying structure, the first pair of rollers, the second glue spraying structure, the second unreeling structure, the second pair of rollers and the reeling structure; the first third conveyer belt that has erect above unreeling structure and the first gluey structure of spouting, the third conveyer belt drives through a plurality of third conveying rollers, the entrance point of third conveyer belt with second conveying mechanism connects, the third conveyer belt is used for inhaling the sound cotton with the bi-component and carries to first pair roller.

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