CN111996836B

CN111996836B - Special paper processing production line

Info

Publication number: CN111996836B
Application number: CN202010941656.9A
Authority: CN
Inventors: 房志超
Original assignee: Xinzheng Jilong Packaging Material Co ltd
Current assignee: Xinzheng Jilong Packaging Material Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2022-03-04
Anticipated expiration: 2040-09-09
Also published as: CN111996836A

Abstract

The application relates to a special paper processing production line, including base paper unwinding device, back coating liquid coating unit, first drying device and set composite, wherein base paper unwinding device is used for unreeling base paper to back coating liquid coating unit department, and back coating liquid coating unit is used for scribbling the back of base paper with back coating liquid, and first drying device will cover the base paper that covers back coating liquid and dry, and set composite is used for compounding the front of base paper and the transfer membrane that covers the adhesive. This application is through setting up back coating liquid coating unit, scribble the back of base paper with back coating liquid, in order to form the moisturizing layer, then base paper is through the stoving of first drying device, the surplus moisture in moisturizing layer surface is dried, certain humidity is kept on the moisturizing layer, and the front of base paper has the humidity of adhesive, the humidity of the positive back of base paper is roughly the same promptly, thereby the tension of the positive back of base paper is roughly the same, thereby can reduce the condition emergence of curling upwarping of the base paper edge that leads to because of positive back tension is inconsistent.

Description

Special paper processing production line

Technical Field

The application relates to a special paper processing production line.

Background

Tipping papers for cigarettes are one type of specialty paper, and are cigarette wrapping materials used as outer wrappers for cigarette filter rods, also called tipping papers (tipping papers), which are portions of filter cigarettes that are touched by the lips of smokers when smoking filter cigarettes.

The production method of the high-brightness tipping paper widely applied to the tobacco packaging industry at present comprises the steps of carrying out composite transfer on a BOPP or PET film and base paper, namely coating a high-brightness transfer coating on the BOPP or PET film (transfer film) through a wire roller, then coating an adhesive on the front surface of the transfer film again, then compounding the high-brightness transfer coating and the base paper through a compounding device to prepare paper, and stripping the BOPP or PET film after drying and curing to obtain the high-brightness tipping paper. The manufacturing method is characterized in that the transfer film is used as a carrier, so that the surface of the paper has high flatness and high brightness.

For example, chinese patent publication No. CN1986963A discloses a method for producing tipping paper for cigarette by transfer method, in which a release layer, a color layer and an aluminum-plated layer are coated on the surface of BOPP base film, and then the color layer and the aluminum-plated layer are transferred to the surface of the tipping base paper.

For example, chinese patent publication No. CN102767121A discloses a process for producing a high gloss silver tipping paper printing base paper by silver ink coating transfer, which comprises the steps of (1) coating a release material on the front side of a PET polyester film on a coating machine, (2) coating an M-type connecting material on the coating machine, (3) coating a silver ink on the coating machine, (4) compounding the PET polyester film composite paper with tipping paper white paper on a compounding machine to obtain a PET polyester film composite paper, and (5) stripping the PET polyester film composite paper on a stripping machine to obtain the high gloss silver tipping paper printing base paper.

However, in the process of compounding the base paper and the transfer film, the edge of the base paper is prone to curling and upwarping, and thus the paper forming effect is poor.

Disclosure of Invention

In order to reduce the curling upwarp condition at base paper edge, this application provides a specialty paper processing lines.

The application provides a special paper processing lines adopts following technical scheme:

the utility model provides a specialty paper processing lines, includes base paper unwinding device, back coating liquid coating unit, first drying device and set composite, and wherein base paper unwinding device is used for unreeling base paper to back coating liquid coating unit department, and back coating liquid coating unit is used for scribbling the back of base paper with back coating liquid, and first drying device will cover the base paper that covers with back coating liquid and dry, set composite is used for compounding the front of base paper and the transfer film that covers and have the adhesive.

By adopting the technical scheme, the back coating liquid is coated on the back surface of the base paper through the back coating liquid coating device to form the moisturizing layer, then the base paper is dried through the first drying device, redundant moisture on the surface of the moisturizing layer is dried, the moisturizing layer maintains certain humidity, at the compounding device, the back surface of the base paper has the humidity of the moisturizing layer, the front surface of the base paper has the humidity of the adhesive, and the humidity of the adhesive are approximately the same, so that the tension of the front surface and the back surface of the base paper is approximately the same, and the occurrence of curling and upwarping of the edge of the base paper caused by inconsistent tension of the front surface and the back surface can be reduced; the setting of first drying device can dry the unnecessary moisture in moisturizing layer surface to avoid the base paper to take place between its back and the conveying roller in transportation and skid or the condition that bonds, and can also reduce the too big condition of moisturizing layer humidity.

Optionally, the compounding device comprises a transfer roller and a compounding roller positioned on one side of the transfer roller, and the base paper sequentially passes through the transfer roller and the compounding roller; and a spraying mechanism is arranged between the transfer roller and the composite roller and is used for increasing the humidity on the back of the base paper.

By adopting the technical scheme, the spraying mechanism can supplement the humidity on the back surface of the base paper, so that the situation that the humidity of a moisturizing layer is too low due to over-drying of the base paper is reduced; and after the humidity on the back of the base paper is supplemented, the back of the base paper is pressed by the composite roller, and the supplementing water can easily permeate into and supplement the moisture retention layer.

Optionally, an air bag roller is placed between the transfer roller and the composite roller, the air bag roller is located above the base paper, the lower portion of the air bag roller abuts against the back of the base paper, the composite roller drives the air bag roller to rotate along the feeding direction of the base paper, and the spraying mechanism sprays towards the upper portion of the air bag roller.

By adopting the technical scheme, the air bag roller is arranged, namely the air bag roller is arranged in an irregular center, and the position of the air bag roller is determined by the acting force from the composite roller and the base paper in a balanced manner; the mist of the atomizing head is sprayed on the peripheral surface of the upper part of the air bag roller, then along with the rotation of the air bag roller, the water mist on the peripheral surface of the air bag roller is uniformly and softly transferred to the back surface of the base paper, and the peripheral surface of the air bag roller is abutted and extruded with the back surface of the base paper, so that the water mist on the peripheral surface of the air bag roller can be pressed and infiltrated into the moisturizing layer, the completeness of water supplement in the moisturizing layer is ensured, and the humidity of the front surface and the back surface of the base paper is ensured to be consistent as much as possible; and the gasbag roller is gas filled structure, and the structure is slim and graceful, and when gasbag roller butt was in the base paper back, the effort of gasbag roller to the base paper was less, can reduce the influence to base paper deformation to the global easy deformation of gasbag roller, can better butt laminating in the base paper back, thereby improve the effect that the moist layer was pressed to the water smoke on gasbag roller global.

Optionally, a rubber roller is arranged between the air bag roller and the composite roller, and the circumferential surface of the rubber roller is respectively abutted to the circumferential surface of the air bag roller and the circumferential surface of the composite roller.

By adopting the technical scheme, the rubber roller has large surface friction force, and can accurately transmit the torque of the composite roller to the air bag roller so as to drive the air bag roller to rotate along the feeding direction of the base paper; and when the rubber roller rotates, the residual water mist on the air bag roller can be brought to the compound roller to wet the peripheral surface of the compound roller, so that the situation that the peripheral surface of the compound roller is too dry to cause the water loss in the moisture retention layer of the base paper is reduced.

Optionally, the lowest point of the transfer roller is higher than the lowest point of the composite roller, a flexible roller is arranged on one side of the air bag roller, which is far away from the rubber roller, and the peripheral surface of the flexible roller abuts against the peripheral surface of the air bag roller.

By adopting the technical scheme, the three flexible rollers, the rubber roller and the back of the base paper are arranged, so that the airbag roller is combined and limited, and the airbag roller can be kept from being greatly deviated under the condition of no centering; the flexible roller has flexibility, and can reduce the reaction force from the flexible roller received by the air bag roller, thereby reducing the deformation amount when the air bag roller is in contact with the flexible roller, and ensuring the position stability of the air bag roller.

Optionally, the flexible roller includes the fixed axle and rotates the gasbag cover of locating the fixed axle global, the global looks butt of global and gasbag roller of gasbag cover.

Through adopting above-mentioned technical scheme, through the fixed axle of fixed setting, the rigidity of flexible roller is motionless to can carry out the spacing of comparatively accurate position to the gasbag roller, and the gasbag cover is the gas filled structure, and gasbag cover empty ways is global in the fixed axle, and the gasbag cover can receive the frictional force of gasbag roller and rotate promptly, thereby reduce the gasbag roller global friction reaction force that comes from the gasbag cover that receives, thereby the deformation volume when reducing gasbag roller and flexible roller butt, and then ensure the position stability of gasbag roller.

Optionally, the diameter of the airbag roller is smaller than that of the composite roller, the airbag roller includes a roller-shaped airbag membrane, the airbag membrane has an inflation inner cavity, a plurality of accommodating grooves are formed in the outer peripheral surface of the airbag membrane, the accommodating grooves extend along the length direction of the airbag membrane, the accommodating grooves are uniformly arranged along the circumferential direction of the airbag membrane, and the surface of the outer peripheral surface of the airbag membrane between two adjacent accommodating grooves is a butt surface; the holding tank intussuseption is fixed with the porous cavernosum, the surface of porous cavernosum with the notch place face parallel and level of holding tank.

By adopting the technical scheme, the air bag film is provided with the inflation inner cavity, so that the air bag roller is light in structure and easy to deform; the diameter of the air bag roller is smaller than that of the composite roller, so that the rotating speed of the air bag roller is greater than that of the composite roller, and the rotating speed of the composite roller is synchronous with the feeding speed of the base paper, so that the rotating speed of the air bag roller is greater than that of the base paper, namely, the back side of the base paper exerts a friction force opposite to the rotating direction of the air bag roller on the air bag roller; therefore, in the process that the air bag roller is gradually attached to the back of the base paper, the abutting surface on the air bag film abuts against the back of the base paper, the abutting surface is subjected to reverse friction force from the back of the base paper at the moment, namely the abutting surface deforms in the direction close to the accommodating groove to change the volume of the accommodating groove, so that the porous sponge body in the accommodating groove is extruded, water in the porous sponge body is gradually extruded along with the rotation of the air bag roller, the water uniformly drips and covers the surface of the moisturizing layer on the back of the base paper, then the air bag roller continues to rotate, and the abutting surface on the other side of the accommodating groove abuts against and is attached to the back of the base paper at the moment, so that the water dripped on the surface of the moisturizing layer is pressed into the moisturizing layer, the water is fully replenished and infiltrated into the moisturizing layer, and the humidity stability of the moisturizing layer is ensured; the outer surface of the porous sponge body is flush with the surface of the notch of the containing groove, so that the condition that the porous sponge body is exposed out of the notch of the containing groove when being extruded can be reduced, and the condition that the extruded porous sponge body absorbs the moisture on the surface of the moisturizing layer repeatedly is reduced; and the gasbag roller and rubber roll butt, the butt position of gasbag roller and rubber roll takes place to deform, and porous cavernosum produces the compression expansion, and porous cavernosum has produced suction promptly to absorb the storage as far as possible with the spraying from the spraying mechanism of top, thereby ensure that the moisture in the porous cavernosum is abundant.

Optionally, the groove bottom of the accommodating groove is outwards protruded to form a plurality of sawtooth protrusions with triangular cross sections, the sawtooth protrusions are evenly distributed along the circumferential direction of the airbag membrane, and the porous sponge body is provided with sawtooth grooves matched with the sawtooth protrusions.

By adopting the technical scheme, the contact area between the porous sponge body and the accommodating groove can be increased through the matching of the sawtooth protrusions and the sawtooth grooves, so that the connection stability of the porous sponge body and the accommodating groove is improved; the sawtooth protrusions are arranged along the circumferential direction of the air bag film, when the air bag film deforms due to the reverse friction force on the back face of the base paper, the whole volume of the accommodating groove is reduced along the circumferential direction of the air bag film, the sawtooth protrusions are close to each other along the circumferential direction of the air bag film at the moment, and the deformation movement of the sawtooth protrusions generates acting force on the porous sponge body, so that the deformation degree of the porous sponge body is improved, and the water extrusion rate is improved; when holding tank deformation resumes simultaneously, the sawtooth arch also can drive porous cavernosum fast and resume original state, improves the deformation rate and the deformation effect of porous cavernosum promptly, and then improves the row of porous cavernosum and absorbs water speed and effect.

Optionally, the abutting surface is divided into a plurality of planes which are sequentially connected along the circumferential direction of the airbag membrane, and a smooth transition fillet is arranged at the junction of two adjacent planes.

By adopting the technical scheme, when the abutting surface abuts against the surface of the moisturizing layer on the back surface of the base paper, as the abutting surface is formed by multi-plane connection, the abutting surface cannot be completely attached to the surface of the moisturizing layer, namely a certain gap is formed between the abutting surface and the surface of the moisturizing layer, and the moisture on the surface of the moisturizing layer is hidden in the gap, so that the situation that the moisture on the surface of the moisturizing layer is discharged by the extrusion force of the abutting surface when passing through the abutting position of the abutting surface and the surface of the moisturizing layer is reduced, the moisture on the surface of the moisturizing layer is ensured to be pressed and infiltrated into the moisturizing layer by the abutting surface vertical to the back surface of the base paper as much as possible, and the effect of the moisture infiltrating into the moisturizing layer is improved; and the multiple planes of the abutting surfaces are arranged in a contact manner, so that the friction acting force of the air bag film on the back surface of the base paper can be reduced, the surface abrasion of the moisturizing layer on the back surface of the base paper is reduced, and the water locking function of the moisturizing layer is ensured.

Optionally, the surface area of each of the planes in the same abutting surface is sequentially increased along the rotation direction of the airbag roller.

Through adopting above-mentioned technical scheme, when plane and base paper back butt, because the difference of laminating degree, planar surface area is big more, the reverse friction that the gasbag membrane received is then little, consequently, the butt face butt gradually in the in-process at the base paper back, the direction frictional force that the gasbag membrane received increases gradually, thereby be convenient for the smooth and easy degree of rotation of gasbag roller self, can realize the effect of the extrusion gradually of porous cavernosum again, thereby just release moisture completely when making porous cavernosum remove to being close to the base paper back more, thereby reduce the waste loss of moisture, improve the laminating position department that the base paper back was placed in to the moisture accuracy.

In summary, the present application includes at least one of the following beneficial technical effects:

the back coating liquid is coated on the back surface of the base paper by arranging the back coating liquid coating device and the first drying device so as to form a moisture retention layer, the back surface of the base paper has the humidity of the moisture retention layer, the front surface of the base paper has the humidity of the adhesive, and the humidity of the adhesive and the humidity of the base paper are approximately the same, so that the tension of the front surface and the back surface of the base paper is approximately the same, and the occurrence of curling and upwarping of the edge of the base paper caused by inconsistent tension of the front surface and the back surface can be reduced;

the spraying mechanism can supplement the humidity on the back surface of the base paper, so that the situation that the humidity of a moisturizing layer is too low due to over-drying of the base paper is reduced;

through setting up the gasbag roller, can evenly and gently transfer the water smoke on its global to the back of base paper to the global of gasbag roller and the extrusion of base paper back butt can press the infiltration of the water smoke on the global of gasbag roller in the moisturizing layer, thereby ensure the moisturizing intraformational moisturizing completeness, thereby ensure that the humidity of base paper obverse and reverse is as unanimous as possible.

Drawings

Fig. 1 is a schematic view of the overall structural arrangement of the present embodiment.

Fig. 2 is a schematic view of the composite device of the present embodiment.

Fig. 3 is a schematic diagram showing the relationship between the air bag roller and the back surface of the base paper in the present embodiment.

Fig. 4 is a partially enlarged view of a portion a in fig. 3.

Description of reference numerals: 1. a base paper unwinding device; 2. a back coating liquid coating device; 3. a first drying device; 4. a transfer film unwinding device; 5. an adhesive coating device; 6. a compounding device; 7. a second drying device; 8. a finished paper winding device; 9. an air bag roller; 10. base paper; 20. transferring the film; 30. forming paper; 61. a compound roller; 62. a transfer roll; 63. a rubber roller; 64. a flexible roll; 641. a fixed shaft; 642. an air bag cover; 65. a connecting pipe; 66. a spray head; 91. an air bag membrane; 92. accommodating grooves; 93. a porous sponge body; 94. the sawtooth is convex; 95. a sawtooth groove; 96. a contact surface.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a special paper processing production line. Referring to fig. 1, the special paper processing production line sequentially comprises a base paper unwinding device 1, a back coating liquid coating device 2, a first drying device 3, a transfer film unwinding device 4, an adhesive coating device 5, a compounding device 6, a second drying device 7 and a finished paper winding device 8.

Firstly, the base paper unreeling device 1 unreels the base paper 10 to the back coating liquid coating device 2, the back coating liquid coating device 2 coats the back coating liquid on the back surface of the base paper 10, the first drying device 3 dries the base paper 10 coated with the back coating liquid, and the dried base paper 10 is conveyed to the compounding device 6; the transfer film unwinding device 4 unwinds the transfer film 20 with the front surface coated with the transfer coating to the adhesive coating device 5, the adhesive coating device 5 coats the adhesive on the front surface of the transfer film 20, and the transfer film 20 coated with the adhesive is conveyed to the compounding device 6; then, the composite device 6 composites the front surface of the base paper 10 with the front surface of the transfer film 20 to form a finished paper 30, and the finished paper 30 is dried by the second drying device 7 and finally wound at the finished paper winding device 8.

The back coating liquid coating device 2 can adopt a coating device known in the industry, and back coating liquid is injected into a liquid tank of the existing coating device; the front surface of the transfer film 20 on the transfer film unwinding device 4 is coated with a transfer coating in advance, and the transfer coating can be high gloss oil or matte oil.

The back coating liquid is coated on the back surface of the base paper 10 by the back coating liquid coating device 2 to form a moisture retention layer, then the base paper 10 is dried by the first drying device 3, redundant moisture on the surface of the moisture retention layer is dried, the moisture retention layer retains certain humidity, the back surface of the base paper 10 has the humidity of the moisture retention layer at the compounding device 6, the front surface of the base paper 10 has the humidity of the adhesive, the humidity of the adhesive and the humidity of the base paper are approximately the same, the tension of the front surface and the back surface of the base paper 10 is approximately the same, and the situation that the edge of the base paper 10 is curled and warped due to the fact that the tension of the front surface and the back surface is inconsistent can be reduced.

And the setting of first drying device 3 can dry the unnecessary moisture in moisturizing layer surface to avoid base paper 10 to take place the condition of skidding or bonding between its back and the conveying roller in transportation process, and can also reduce the too big condition of moisturizing layer humidity.

But the moisturizing layer is through the stoving back of first drying device 3, and the most moisture on moisturizing layer is by dry, though moisturizing layer self has certain humidity, can alleviate curling upwarping at base paper 10 edges to a certain extent, but the effect still remains to promote, has made following setting for this reason.

As shown in fig. 2, the compounding device 6 includes a transfer roller 62 and a compounding roller 61 located at one side of the transfer roller 62, and the base paper 10 coming out of the first drying device 3 is changed in direction by the transfer roller 62 and then compounded with the transfer film 20 by the compounding roller 61; wherein the lowest point of the relay roller 62 is higher than the lowest point of the compound roller 61, at which time the base paper 10 is fed obliquely downward with the back surface of the base paper 10 facing upward.

As shown in fig. 2 and 3, the compounding device 6 further includes a rubber roller 63 and a flexible roller 64, wherein the circumferential surface of the rubber roller 63 abuts against the circumferential surface of the compounding roller 61 close to the transfer roller 62, and the flexible roller 64 is located on one side of the rubber roller 63 away from the compounding roller 61; the flexible roller 64 comprises a fixed shaft 641 and an air bag cover 642 rotatably sleeved on the peripheral surface of the fixed shaft 641, and an annular inflation inner cavity is formed in the air bag cover 642; wherein the fixed shaft 641, the rubber roller 63, the transfer roller 62 and the compound roller 61 are fixed in position.

As shown in fig. 2 and 3, an air bag roller 9 is arranged between the rubber roller 63 and the flexible roller 64, the diameter of the air bag roller 9 is smaller than that of the composite roller 61, the air bag roller 9 is located above the base paper 10, the lower peripheral surface of the air bag roller 9 abuts against the back surface of the base paper 10, the upper peripheral surface of the air bag roller 9 abuts against the peripheral surface of the rubber roller 63, the peripheral surface of the air bag roller 9 far away from the composite roller 61 abuts against the peripheral surface of the flexible roller 64, that is, the air bag roller 9 is limited by the abutment of the rubber roller 63, the flexible roller 64 and the base paper 10, the composite roller 61 rotates to drive the rubber roller 63 to rotate, and the rubber roller 63 drives the air bag roller 9 to rotate along the feeding direction of the base paper 10, so as to drive the air bag roller 9 to perform the non-centering rotation motion.

As shown in fig. 2, a spraying mechanism is arranged between the transfer roller 62 and the compound roller 61, the spraying mechanism comprises a connecting pipe 65 parallel to the rubber roller 63, the connecting pipe 65 is externally connected with a water source, the side wall of the connecting pipe 65 is provided with a plurality of spraying heads 66 arranged along the length direction of the connecting pipe at equal intervals, the spraying heads 66 are arranged obliquely downwards, the spraying heads 66 face the upper peripheral surface of the air bag roller 9, and the orientation of the spraying heads 66 is deviated to be close to the rubber roller 63.

The water mist sprayed by the spray head 66 falls onto the circumferential surfaces of the air bag roller 9 and the rubber roller 63, wherein along with the rotation of the air bag roller 9, the water mist on the circumferential surface of the air bag roller 9 is uniformly and gently transferred to the back surface of the base paper 10, and the circumferential surface of the air bag roller 9 is abutted and extruded with the back surface of the base paper 10, so that the water mist on the circumferential surface of the air bag roller 9 can be pressed and permeated into the moisturizing layer, the completeness of water replenishing in the moisturizing layer is ensured, the humidity on the front surface and the back surface of the base paper 10 is ensured to be as consistent as possible, and the situation that the front surface and the back surface of the base paper 10 are bent and warped due to inconsistent tension is reduced.

And a small part of water mist of the spray head 66 falls onto the circumferential surface of the rubber roll 63 and is transmitted to the circumferential surface of the composite roll 61 through the rotation of the rubber roll 63, so that the circumferential surface of the composite roll 61 has certain wettability, and the water loss of the moisturizing layer on the back surface of the base paper 10 is reduced.

As shown in fig. 3, the airbag roller 9 includes a roller-shaped airbag film 91, and the airbag film 91 has an inflation inner cavity, so that the structure of the airbag roller 9 is light, the influence of the self weight of the airbag roller 9 on the base paper 10 is small, the deformation of the base paper 10 can be reduced, and the circumferential surface of the airbag roller 9 is easy to deform, and can be well abutted and attached to the back surface of the base paper 10, thereby improving the effect of water mist pressure infiltration into the moisturizing layer on the circumferential surface of the airbag roller 9.

As shown in fig. 3 and 4, a plurality of receiving grooves 92 are formed in the outer circumferential surface of the airbag membrane 91, the receiving grooves 92 extend along the length direction of the airbag membrane 91, and the receiving grooves 92 are uniformly arranged along the circumferential direction of the airbag membrane 91; the holding tank 92 intussuseption is fixed with porous cavernosum 93, and porous cavernosum 93 can absorb storage water smoke, and porous cavernosum 93 can bond fixedly or the melting is fixed with holding tank 92, and the surface of porous cavernosum 93 and holding tank 92's notch place face parallel and level.

The surface of the outer peripheral surface of the airbag membrane 91 between two adjacent receiving grooves 92 is an abutting surface 96, the abutting surface 96 is divided into a plurality of planes (not shown in the figure) which are sequentially connected along the circumferential direction of the airbag roller 9, the surface area of each plane is sequentially increased along the rotation direction of the airbag roller 9, and the junction of two adjacent planes is provided with a round angle in smooth transition.

Since the diameter of the air bag roller 9 is smaller than that of the composite roller 61, the rotating speed of the air bag roller 9 is greater than that of the composite roller 61, and the rotating speed of the composite roller 61 is synchronous with the feeding speed of the base paper 10, so that the rotating speed of the air bag roller 9 is greater than that of the base paper 10, namely, the back side of the base paper 10 applies a friction force opposite to the rotating direction of the air bag roller 9 to the air bag roller 9; therefore, in the process that the peripheral surface of the airbag roller 9 is gradually adhered to the back surface of the base paper 10, the abutting surface 96 on the airbag film 91 is firstly abutted to the back surface of the base paper 10, at this time, the abutting surface 96 is subjected to reverse friction force from the back surface of the base paper 10, namely, the abutting surface 96 moves and deforms in the direction close to the accommodating groove 92, the accommodating groove 92 between the two abutting surfaces 96 contracts, the porous sponge body 93 in the accommodating groove 92 is pressed, the moisture in the porous sponge body 93 is gradually squeezed out, so that the moisture uniformly drips on the surface of the moisturizing layer on the back surface of the base paper 10, then, the airbag roller 9 continues to rotate, at this time, the abutting surface 96 on the other side of the accommodating groove 92 is abutted to and adhered to the back surface of the base paper 10, so that the moisture dripped on the surface of the moisturizing layer is pressed into the moisturizing layer, so that the moisture is sufficiently replenished and infiltrated into the moisturizing layer, thereby ensuring the humidity stability of the moisturizing layer, namely, that the abutting surface 96 is in the process of the back surface of the base paper 10, the moisture dripped on the surface of the moisture retention layer in the prior art can be pressed and infiltrated, and the water in the porous sponge body 93 in the accommodating groove 92 on one side can be extruded by means of the deformation of the moisture dripped on the surface of the moisture retention layer on the next position, namely the alternate butt joint of the butt joint surfaces 96, so that the moisture retention layer on the back surface of the base paper 10 can be ensured to have good moisture supplement and infiltration.

Further, since the contact surface 96 is formed by a multi-plane contact, the contact surface 96 cannot be completely bonded to the surface of the moisture retention layer, that is, a certain gap is formed between the contact surface 96 and the surface of the moisture retention layer, and when the contact surface 96 contacts the surface of the moisture retention layer on the back surface of the base paper 10, the moisture on the surface of the moisture retention layer is taken into the gap, so that the moisture on the surface of the moisture retention layer is ensured to be pressed and infiltrated into the moisture retention layer by the contact surface 96 perpendicular to the back surface of the base paper 10 as much as possible, and the effect of infiltrating the moisture into the moisture retention layer is improved.

When the completion rotates the global looks butt of rubber roll 63 with the gasbag roller 9 of base paper 10 back butt, deformation takes place for the butt position of gasbag roller 9 and rubber roll 63, and porous cavernosum 93 produces the compression expansion, and porous cavernosum 93 has produced suction promptly to absorb the storage as far as possible with the water smoke that comes from the spraying mechanism of top, thereby ensure that the moisture in the porous cavernosum 93 is sufficient, gasbag roller 9 is rotating the in-process of a week and is carrying out once absorbing water and once drainage in proper order promptly.

A plurality of sawtooth protrusions 94 with triangular cross sections are outwards protruded from the bottom of the accommodating groove 92, the sawtooth protrusions 94 are uniformly distributed along the circumferential direction of the air bag film 91, and sawtooth grooves 95 matched with the sawtooth protrusions 94 are formed in the porous sponge body 93; when holding tank 92 takes place the shrink or expand deformation, the protruding 94's of sawtooth position changes, and the protruding 94's of sawtooth deformation removes and produces the effort to porous cavernosum 93 to improve porous cavernosum 93's deformation degree, improve moisture extrusion rate and absorption rate, and then improve porous cavernosum 93's the row speed and the effect of absorbing water.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a specialty paper processing lines which characterized in that: the base paper coating device comprises a base paper unwinding device (1), a back coating liquid coating device (2), a first drying device (3) and a compounding device (6), wherein the base paper unwinding device (1) is used for unwinding the base paper (10) to the back coating liquid coating device (2), the back coating liquid coating device (2) is used for coating the back coating liquid on the back of the base paper (10), the first drying device (3) dries the base paper (10) coated with the back coating liquid, and the compounding device (6) is used for compounding the front of the base paper (10) and a transfer film (20) coated with an adhesive; the compounding device (6) comprises a transfer roller (62) and a compounding roller (61) positioned on one side of the transfer roller (62), and the base paper (10) sequentially passes through the transfer roller (62) and the compounding roller (61); a spraying mechanism is arranged between the transfer roller (62) and the composite roller (61), and is used for increasing the humidity of the back surface of the base paper (10); an air bag roller (9) is arranged between the transfer roller (62) and the composite roller (61), the air bag roller (9) is positioned above the base paper (10), the lower part of the air bag roller (9) abuts against the back surface of the base paper (10), the composite roller (61) drives the air bag roller (9) to rotate along the feeding direction of the base paper (10), and the spraying mechanism sprays towards the upper part of the air bag roller (9).

2. The specialty paper converting line of claim 1, wherein: a rubber roller (63) is arranged between the air bag roller (9) and the composite roller (61), and the peripheral surface of the rubber roller (63) is respectively abutted against the peripheral surface of the air bag roller (9) and the peripheral surface of the composite roller (61).

3. The specialty paper converting line of claim 2, wherein: the lowest point of the transfer roller (62) is higher than that of the composite roller (61), a flexible roller (64) is arranged on one side, away from the rubber roller (63), of the air bag roller (9), and the peripheral surface of the flexible roller (64) is abutted to the peripheral surface of the air bag roller (9).

4. The specialty paper converting line of claim 3, wherein: the flexible roller (64) comprises a fixed shaft (641) and an air bag sleeve (642) rotatably sleeved on the peripheral surface of the fixed shaft (641), and the peripheral surface of the air bag sleeve (642) is abutted to the peripheral surface of the air bag roller (9).

5. The specialty paper converting line of claim 3, wherein: the diameter of the air bag roller (9) is smaller than that of the composite roller (61), the air bag roller (9) comprises a roller-shaped air bag film (91), the air bag film (91) is provided with an inflation inner cavity, a plurality of accommodating grooves (92) are formed in the outer peripheral surface of the air bag film (91), the accommodating grooves (92) extend along the length direction of the air bag film (91), the accommodating grooves (92) are uniformly distributed along the circumferential direction of the air bag film (91), and the surface, located between every two adjacent accommodating grooves (92), of the outer peripheral surface of the air bag film (91) is an abutting surface (96); the holding tank (92) is filled with and fixed with porous cavernosum (93), the surface of porous cavernosum (93) with the notch place face parallel and level of holding tank (92).

6. The specialty paper converting line of claim 5, wherein: the bottom of the accommodating groove (92) is outwards protruded to form a plurality of sawtooth protrusions (94) with triangular cross sections, the sawtooth protrusions (94) are uniformly distributed along the circumferential direction of the airbag membrane (91), and the porous sponge body (93) is provided with sawtooth grooves (95) matched with the sawtooth protrusions (94).

7. The specialty paper converting line of claim 6, wherein: the abutting surface (96) is divided into a plurality of planes which are sequentially connected along the circumferential direction of the air bag film (91), and a smooth transition fillet is arranged at the junction of two adjacent planes.

8. The specialty paper converting line of claim 7, wherein: the surface area of each of the planes in the same contact surface (96) increases in order in the rotational direction of the airbag roller (9).