CN213704848U - Hot melting joint device for air conditioner sound-proof felt composite fabric - Google Patents
Hot melting joint device for air conditioner sound-proof felt composite fabric Download PDFInfo
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- CN213704848U CN213704848U CN202020521785.8U CN202020521785U CN213704848U CN 213704848 U CN213704848 U CN 213704848U CN 202020521785 U CN202020521785 U CN 202020521785U CN 213704848 U CN213704848 U CN 213704848U
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Abstract
The utility model discloses a hot melt joint device for air conditioner deadening felt composite fabric, which comprises an unreeling station, a standby station arranged side by side with the unreeling station, a hot melt joint station, a traction roller and a material accumulation rack; the unwinding station is provided with an upper winding fabric, and the standby station is provided with a lower winding fabric. The device fuses and connects the upper and lower coils of the fabric through the electric heating wire, and is pressed through the pneumatic pressing plate, the leftover material is partially removed, the leftover material can be smoothly overlapped and flattened to form a welding material mark with certain width and depth, the welding is very firm after cooling, the rapid and continuous operation can be realized, and the requirement of traction operation tension is met; the flattening back surface material is smooth, the welding material flattening marks at the lower ends of the welding material marks are correspondingly compounded with the rubber and plastic coiled material, the fabric connecting positions are tidy and clean, the requirements on the quality of the sound-proof felt are met, and the material waste at the connecting positions can be greatly reduced; the fabric hot-melting joint device is simple in structure, convenient to operate, safe and reliable, and capable of meeting the requirements of continuous production.
Description
Technical Field
The utility model belongs to the technical field of sound insulation material production and processing, concretely relates to hot melt piecing devices for compound surface fabric of air conditioner deadening felt.
Background
The composite sound-proof felt for the air conditioner compressor is usually formed by compounding a sound-proof material and a sound-absorbing material, wherein the sound-proof material mostly adopts a heavy rubber plastic material, and the sound-absorbing material mostly adopts a fiber felt which is commonly called a fabric. When a compound machine is used for producing two-layer (sound insulation material + fabric) or three-layer (fabric + sound insulation material + fabric) sound insulation felt, the production line is in a continuous production mode, the sound insulation material and the fabric are both made of roll-shaped materials, when each roll of material is about to be discharged and the next roll of material is ready to be discharged, the front end of the next roll of material needs to be connected with the tail end of the previous roll of material. The existing joint modes mainly comprise manual hand-held sewing machine sewing, hot melt adhesive pressing or adhesive tape bonding and the like, wherein the manual sewing mode is used for forming material superposition after sewing at the joint, and the problem of three-layer material superposition occurs; in addition, the sewing thread of the manual hand-held sewing machine is difficult to align neatly, which can cause a section of the composite material in the joint area to be scrapped; the joint adopting the hot melt adhesive pressing mode also has the problem of scrapping of materials in the joint area, and the mechanical equipment adopted by the hot melt adhesive pressing mode is complex, high in manufacturing cost and not ideal in the bonding effect on the fabric; the tape bonding method also has a problem of insufficient adhesive strength.
Publication numbers in the prior art: CN207310754U discloses a dual-purpose material-discharging and jointing device for backing material and face material of a compound machine, which replaces the traditional adhesive joint, is more environment-friendly, adopts a vertically symmetrical pressing block mechanism to perform pressing, can joint the upper end surface and the lower end surface of the cloth by using adhesive tapes, can be applied to jointing the face material or the backing material, and has a wide application range; however, the adhesive tape joint has the problem of joint fastness, and as the fiber felt fabric is a roll material, certain tension is required during composite unreeling, and the tension is likely to cause the adhesive tape joint to be loosened, so that the composite production is interrupted.
Publication numbers in the prior art: CN105926177A discloses a method for sewing a cloth joint in a cold dyeing process, which provides a method for sewing a cloth joint in a cold dyeing process, wherein the joint of a sewn grey cloth is flat, the thickness of the joint is the same as that of the whole cloth, so that the problems of uneven dyeing and inconsistent color of the whole cloth at the joint are avoided, the length of the joint defective printing cloth is reduced to 3-8 m from 18-30 m of each cloth, and the length of the joint defective printing cloth is greatly reduced. However, the thickness of the fiber felt fabric is far greater than that of cloth, and the lap edges of the sound-proof felt fabric are sewn, so that the seams are difficult to be in seamless butt joint, and the method of the invention is not suitable for joint processing of the fiber felt fabric.
Publication numbers in the prior art: CN207535448U discloses a full-automatic trinity flame compounding machine that does not shut down, includes following technical scheme: the utility model provides a full-automatic trinity flame compounding machine that does not shut down, stores feeding system including the sponge, and feeding system is stored to the surface fabric, and feeding system, trinity flame compounding system and finished product rolling system are stored to the bed charge. The technical scheme of the patent provides a mode related to sponge and fabric splicing, wherein the sponge is arranged on a unreeling shaft to be unreeled, and the heads and the tails of two rolls of sponge can be glued together through a sponge splicing machine; wherein the head and the tail of the two rolls of fabrics are glued together by a fabric splicer; the material jointing method provided by the patent is jointing machine gluing, and the mechanical structure and the operation mode are complex, the problem of 'material overlapping layer' of two roll jointing areas of the front and the back of the fiber felt cannot be solved, the connection strength of the gluing joint is low, and the tension of unwinding of the fabric cannot be borne, so that the jointing method provided by the patent cannot be applied to jointing operation of the fiber felt fabric in the composite of the sound-proof felt.
Therefore, a fabric jointing device which can solve the problems of quick jointing operation, continuous operation, firm and smooth jointing and meets the quality requirement is needed to be needed.
SUMMERY OF THE UTILITY MODEL
The purpose of the invention is as follows: not enough to prior art exists, the utility model aims to solve the technical problem that a hot melt piecing devices for air conditioner deadening felt composite fabric is provided.
The technical scheme is as follows: in order to achieve the above purpose, the technical solution adopted by the present invention is as follows: a hot melting joint device for an air conditioner sound-proof felt composite fabric comprises an unreeling station, a standby station, a hot melting joint station, a traction roller and a material accumulation frame, wherein the standby station and the hot melting joint station are arranged side by side with the unreeling station; the unwinding station is provided with an upper winding fabric, and the standby station is provided with a lower winding fabric; the hot-melting station comprises an upper pneumatic pressure plate and a lower electric heating wire bottom plate which is arranged corresponding to the pneumatic pressure plate, and the electric heating wire bottom plate is correspondingly provided with electric heating wires; after the upper roll of fabric on the unreeling station is unreeled, the tail lap of the upper roll of fabric and the front lap of the lower roll of fabric on the standby station are overlapped and lapped on the electric heating wire together, the tail lap of the upper roll of fabric is arranged above, the front lap of the lower roll of fabric is arranged below, the pneumatic pressing plate is externally connected with a pneumatic device which can drive the pneumatic pressing plate to press downwards, the electric heating wire is externally connected with a power supply device which can generate heat, the lap of the upper roll of fabric and the lower roll of fabric is formed into a melting bonding layer by matching with the overlapped part of the upper roll of fabric and the lower roll of fabric pressed by the pneumatic pressing plate, and leftover materials at the front ends of the upper lap and the lower lap are removed by being; and the fabric is placed into the material accumulation frame through the traction roller after the fabric is fused with the joint.
Preferably, the device also comprises a rubber and plastic coiled material coiling station for placing the rubber and plastic coiled material, a composite press roller and a coiling station; and a traction roller is also arranged behind the material accumulation frame, a fabric is accumulated in the material accumulation frame, and the fabric is conveyed into a composite compression roller together with the rubber and plastic coiled material on the rubber and plastic coiled material coiling station after being pulled by the traction roller at the rear part, is compacted into a composite sound insulation material and is coiled by a coiling station.
Preferably, the rubber and plastic coiled material winding station is further provided with a material sprinkling device in a matched manner, a cohesive material is arranged in the material sprinkling device, and the rubber and plastic coiled material passes through the material sprinkling device and is sprinkled on the rubber and plastic coiled material; and a composite traction roller is also arranged between the composite compression roller and the coiling station.
Preferably, the melting bonding layer of the upper roll of fabric and the lower roll of fabric is changed into a flattening state from overlapping in the conveying process, a welding material mark with fine appearance is formed at the joint of the upper roll of fabric and the lower roll of fabric, the welding material mark has enough strength to meet the traction tension of the unwinding of the fabric after being naturally cooled in an air environment, leftover materials at the front ends of the welding material marks of the two fabrics are melted and crushed in the hot melting process and are manually taken away, the lower end of the welding material mark forms the welding material flattening mark after being unfolded, and when the rubber-plastic coiled material is compounded with the fabric, the rubber-plastic coiled material is adhered to the welding material flattening mark to form a compound material.
Preferably, the upper roll fabric and the lower roll fabric are both made of needled felts made of PET, PAN staple fibers or bicomponent fibers formed by mixing the PET staple fibers and the PAN staple fibers.
Has the advantages that: compared with the prior art, the utility model has the advantages of it is following: the device can be matched with a lower coil of fabric on a standby station and superposed on an electric heating wire after the upper coil of fabric is discharged, the upper coil of fabric and the lower coil of fabric are in fusion connection through the electric heating wire and are in press fit through a pneumatic pressing plate, leftover parts are removed, the upper coil of fabric and the lower coil of fabric can be smoothly overlapped and flattened to form a welding material mark with certain width and depth, the welding is very firm after cooling, the rapid and continuous operation can be realized, and the requirement on tension of traction operation is met; after the back surface is flattened, the welding material flattening marks at the lower ends of the welding material marks are correspondingly compounded with the rubber and plastic coiled material, the fabric joint is tidy and clean, the quality requirement of the sound-proof felt is met, and the material waste at the joint can be greatly reduced; the fabric hot-melting joint device is simple in structure, convenient to operate, safe and reliable, and capable of meeting the requirements of continuous production.
Drawings
FIG. 1 is a view of the structure of the present invention;
FIG. 2 is a view of a structure at a molten bond line;
fig. 3 is a flattened view at the molten bonding layer.
Detailed Description
The invention will be further elucidated with reference to the drawing.
As shown in fig. 1, 2 and 3, a hot melt joint device for an air conditioner sound-proof felt composite fabric comprises an unreeling station 1, a standby station 2 arranged side by side with the unreeling station 1, a hot melt joint station, a traction roller 6 and a material accumulation frame 7; an upper roll of fabric 101 is arranged on the unreeling station 1, and a lower roll of fabric 201 is arranged on the standby station 2; the hot-melting station comprises an upper pneumatic pressure plate 4 and a lower electric heating wire bottom plate 5 which is arranged corresponding to the pneumatic pressure plate 4, and the electric heating wire bottom plate 5 is correspondingly provided with an electric heating wire 51; after the upper roll of fabric 101 on the unwinding station 1 is unwound, the tail lap 102 of the upper roll of fabric and the front lap 202 of the lower roll of fabric 201 on the standby station 2 are overlapped and overlapped on the electric heating wire 51, the tail lap 102 of the upper roll of fabric 101 is arranged above, the front lap 202 of the lower roll of fabric 201 is arranged below, a pneumatic device is connected outside the pneumatic pressing plate 4 and can drive the pneumatic pressing plate 4 to press downwards, a power supply device is connected outside the electric heating wire 51 and can generate heat, the lap of the upper roll of fabric and the lower roll of fabric is matched with the overlapped part of the upper roll of fabric and the lower roll of fabric 4 to form a melting and combining layer 3, and leftover materials 301 at the front ends of the upper lap and the lower lap are removed by hot-breaking of the electric heating wire 51; and the fabric is placed into a material accumulation rack 7 through a traction roller 6 after the fabric is fused and connected.
The device also comprises a rubber and plastic coiled material winding station 9 for placing the rubber and plastic coiled material 901, a composite pressing roller 11 and a coiling station 14; the rear part of the material accumulation frame 7 is also provided with a traction roller 6, a fabric is accumulated in the material accumulation frame 7, the fabric is pulled by the traction roller 6 at the rear part and then is sent into a composite compression roller 11 together with the rubber and plastic coiled material on the rubber and plastic coiled material coiling station 9 to be compacted into a composite sound insulation material 13, and the composite sound insulation material is coiled by a coiling station 14.
The rubber and plastic coiled material winding station 9 is also provided with a material spreading device 10 in a matching way, cohesive materials are arranged in the material spreading device 10, the rubber and plastic coiled material 901 passes through the material spreading device 10, and the cohesive materials are spread on the rubber and plastic coiled material 901; and a composite drawing roller 12 is arranged between the composite pressing roller 11 and the coiling station 14.
The melting bonding layer 3 of the upper roll of fabric 101 and the lower roll of fabric 201 is changed into a flattening state from overlapping in the conveying process, a welding material mark 302 with a fine appearance is formed at the joint of the upper roll of fabric 101 and the lower roll of fabric 201, after the welding material mark 302 is naturally cooled in an air environment, the welding material mark 302 has enough strength to meet the traction tension of unwinding of the fabrics, leftover materials 301 at the front end of the welding material mark 302 of the two fabrics are melted and broken in the hot melting process and are manually taken away, after the welding material mark 302 is unfolded, the lower end of the welding material mark 302 forms a welding material flattening mark 303, and when the rubber plastic coiled material is compounded with the fabrics, the welding material flattening mark 303 is attached to form a compound material.
The device generally comprises the following operation steps: when the unwinding of the upper-winding fabric is close to the end, one end of the tail of the upper-winding fabric is aligned with one end of the head of the lower-winding fabric to form a lap joint of two layers of materials, the lap joint is placed between a pneumatic pressing plate and an electric heating wire on a base, the pneumatic pressing plate is started to compress the lap joint of the materials, the two layers of materials of the lap joint are melted through heat energy generated by the electric heating wire on the base, and the two layers of materials are melted and compacted through pressure generated by the pneumatic pressing plate to form a linear melting connecting mark.
The weld mark at the fabric lap joint is shown in fig. 2, wherein a melting bonding layer is formed between the tail part of the upper-roll fabric and the head part of the lower-roll fabric, and leftover materials of the lap joint are removed by hot breaking of the electric heating wire. After the fabric is subjected to heat seal, the fabric is pulled forward by a traction roller, and the tail part of the rolled fabric drives the head part of the rolled fabric to form continuous forward movement of the fabric. The front area of the traction roller is provided with a material accumulation frame, the upper-winding fabric is unreeled in the material accumulation frame for a certain length, the material accumulation frame for a certain length is kept, the accumulated material can keep the fabric to continuously move forwards, and the accumulated material can ensure that the joint operation is completed in sufficient time; then the fabric is pulled to the composite area through the traction roller and is compounded with the rubber and plastic coiled material, the adhesive material is sprayed on the upper surface of the rubber and plastic coiled material, the fabric and the rubber and plastic are compacted through the composite roller and depend on the adhesive material between the fabric and the rubber and plastic coiled material to adhere the fabric and the rubber and plastic coiled material, and then the composite deadening felt is pulled to a coiling device through the composite traction roller, so that the composite operation of the deadening felt is completed.
The appearance state of the fabric joint seam at the fabric joint on the surface of the composite deadening felt is shown in figure 3, the joint weld mark is changed into a flattening state from an overlapping state in the operation process, after the fabric is bonded with the rubber and plastic material, the weld mark of the fabric is changed into a bonding position between the fabric and the rubber and plastic material, a weld mark with a fine appearance is formed at the joint of the upper roll of fabric and the lower roll of fabric, a section of leftover material at the front end is melted and crushed in the hot melting process and manually taken away, and after the weld mark is naturally cooled in the air environment, the weld mark has enough strength to meet the traction tension of the unwinding of the fabric. After the fabric is drawn to be compounded with the rubber and plastic material, flattening marks of the sintering material at the joint seams of the fabric are attached to the upper surface of the rubber and plastic material; a neat fabric joint seam is formed on the surface of the fiber felt of the composite sound-proof felt, the appearance quality requirement of a product is met, and waste caused by defects such as fabric overlapping and seam irregularity at the joint in composite processing is reduced.
When the device is used specifically, the upper roll fabric and the lower roll fabric of the device can adopt needled felts made of PET, PAN short fibers or bicomponent fibers formed by mixing the two short fibers; the needled felt constitutes the sound absorbing material of the air conditioner sound insulation felt. The adopted fabric has the following specifications: breadth: 600-: 100-200m, the gram weight of the fabric: 300-1000g/m2, thickness of the fabric: 4-10 mm. Placing an upper roll of fabric on an unreeling station, when the roll of fabric is unreeled for 20-30m, quickly placing the rest fabric into a material accumulating frame, keeping the front end of the fabric continuously and forwards conveyed along with a traction roller, simultaneously quickly pulling the tail end of the roll of fabric and the head of the lower roll of fabric to the lower surface of a pneumatic pressing plate, aligning the edges of the upper and lower rolls of fabric, starting a pneumatic device to press the pneumatic pressing plate downwards, tightly pressing a two-layer fabric lap between the pneumatic pressing plate and a bottom plate of an electric heating wire, pressurizing the pneumatic pressing plate for 5-10 seconds, in a fabric contact process of the pneumatic pressing plate, enabling the fabric lap to be in close contact with the periphery of the electric heating wire by the electric heating wire, and utilizing heat energy generated by the electric heating wire to melt PET fibers of the fabric material, further expanding a melting area to an overlapping position of two layers of fiber felts to melt and bond the two layers of fiber felts, meanwhile, a broken line is formed at the melting and bonding position of the fabric along the electric heating wire; after the electric heating wire melts the two layers of fabrics, and the pneumatic pressing plate is reset and loosened, the melted and bonded leftover materials which are cut off by hot are torn off and taken away; the electric heating wire is preferably made of nickel-chromium material, and the wire diameter is 5.5-7.5 mm; the upper fabric joint and the lower fabric joint of the welded fabric lap are fused into a whole, so that when the joints are pulled and conveyed forwards along with the upper rolled fabric 1, the lower rolled fabric 201 is unreeled along with the upper rolled fabric, and the fabric joint operation is completed; and then, moving the next roll of fabric from the material preparation station to the unwinding station, preparing the next roll of fabric to be placed on the material preparation station, preparing a roll changing joint, and circularly operating according to the sequence to keep the fabric continuously unwound, thereby realizing the purpose of non-stop operation of the whole composite production line.
The fabric is pulled by the traction roller to be in contact with the rubber-plastic coiled material, and is compacted by the composite compression roller, the fabric and the rubber-plastic material are bonded into a whole, at the moment, a straight, neat and compact welding material mark is formed at the joint of the fabric on the surface of the composite soundproof felt soundproof material, the lower end of the welding material mark is the welding material flattening mark and is tightly adhered to the rubber coiled material, and the welding material mark is completely invisible from the appearance observation of the composite soundproof material, so that the appearance quality of the joints of the upper and lower rolls of fabric meets the quality requirement, and the waste problem of the composite soundproof felt caused by the overlapping of the fabric at the joint, uneven seams and the like is solved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. A hot melting joint device for an air conditioner sound-proof felt composite fabric is characterized by comprising an unreeling station (1), a standby station (2) arranged side by side with the unreeling station (1), a hot melting joint station, a traction roller (6) and a material accumulation frame (7); an upper-rolling fabric (101) is arranged on the unreeling station (1), and a lower-rolling fabric (201) is arranged on the standby station (2); the hot-melting station comprises an upper pneumatic pressure plate (4) and a lower electric heating wire bottom plate (5) which is arranged corresponding to the pneumatic pressure plate (4), and the electric heating wire bottom plate (5) is correspondingly provided with an electric heating wire (51); after the upper roll of fabric (101) on the unreeling station (1) is unreeled, a tail lap (102) of the upper roll of fabric and a front lap (202) of a lower roll of fabric (201) on the standby station (2) are overlapped and placed on the electric heating wire (51) together, the tail lap (102) of the upper roll of fabric (101) is arranged above, the front lap (202) of the lower roll of fabric (201) is arranged below, a pneumatic device is connected outside the pneumatic pressing plate (4) to drive the pneumatic pressing plate (4) to press downwards, a power supply device is connected outside the electric heating wire (51) to generate heat, the pneumatic pressing plate (4) is matched with the overlapped part of the upper roll of fabric and the lower roll of fabric to form a melting combination layer (3), and leftover materials (301) at the front ends of the upper lap and the lower lap are removed by the electric heating wire (51) in a hot breaking manner; and the fabric is placed into a material accumulation rack (7) through a traction roller (6) after the fabric is fused with the joint.
2. The hot melting joint device for the air conditioner deadening felt composite fabric according to claim 1, further comprising a rubber and plastic coiled material winding station (9) for placing a rubber and plastic coiled material (901), a composite pressing roller (11) and a coiling station (14); the rear of the material accumulation frame (7) is also provided with a traction roller (6), a fabric is accumulated in the material accumulation frame (7), and the fabric is pulled by the traction roller (6) at the rear and then is sent into a composite compression roller (11) together with the rubber and plastic coiled material on the rubber and plastic coiled material coiling station (9) to be compacted into a composite sound insulation material (13) and is coiled by a coiling station (14).
3. The hot melting joint device for the air conditioner sound-proof felt composite fabric is characterized in that the rubber plastic coiled material winding station (9) is further provided with a material sprinkling device (10) in a matching manner, a cohesive material is arranged in the material sprinkling device (10), the rubber plastic coiled material (901) passes through the material sprinkling device (10), and the cohesive material is sprinkled on the rubber plastic coiled material (901); and a composite traction roller (12) is also arranged between the composite pressing roller (11) and the coiling station (14).
4. The thermal fusion joint device for the air conditioner deadening felt composite fabric according to claim 3, wherein a welding material mark (302) with a fine appearance is formed at a joint of the upper roll fabric (101) and the lower roll fabric (201), leftover materials (301) of the two fabrics at the front end of the welding material mark (302) are fused and crushed during the thermal fusion process, and after the two fabrics are unfolded, a welding material flattening mark (303) is formed at the lower end of the welding material mark (302).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020521785.8U CN213704848U (en) | 2020-04-10 | 2020-04-10 | Hot melting joint device for air conditioner sound-proof felt composite fabric |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020521785.8U CN213704848U (en) | 2020-04-10 | 2020-04-10 | Hot melting joint device for air conditioner sound-proof felt composite fabric |
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| CN213704848U true CN213704848U (en) | 2021-07-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114592336A (en) * | 2022-03-30 | 2022-06-07 | 武汉市依翎针织有限责任公司 | Wool cloth seam processing equipment |
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2020
- 2020-04-10 CN CN202020521785.8U patent/CN213704848U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114592336A (en) * | 2022-03-30 | 2022-06-07 | 武汉市依翎针织有限责任公司 | Wool cloth seam processing equipment |
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