CN115646733A - Production process of antibacterial and mildew-proof wall cloth and wall cloth surface coating system - Google Patents

Abstract

The invention discloses a production process of antibacterial and mildewproof wall cloth and a wall cloth surface coating system, and the technical scheme is as follows: the foaming slurry coating device comprises a coating screen roller and a material scraping piece arranged in the coating screen roller, wherein the coating screen roller is hollow in an annular shape, a plurality of meshes are formed in the periphery of the coating screen roller, the coating screen roller is used for storing foaming slurry to be coated, and the material scraping piece is arranged in the coating screen roller and is used for abutting against the inner wall of the upper side of the coating screen roller; the both ends of coating net roller are passed through the roating seat rotation support to can realize axial rotary motion, at the rotatory in-process of coating net roller axial, scrape the material piece through with the support of coating net roller press, will walk around the outside extrusion of the foaming thick liquids of coating net roller upside, coat around the cloth of rolling coating net roller upper side position. According to the invention, the surface of the cloth is processed by adopting a coating mode, and the foaming slurry is adopted, so that the antibacterial and mildewproof auxiliary agent can form a protective layer on the surface, the overall coating effect can be improved, and the antibacterial and mildewproof effect of the wall cloth can be improved.

Description

A production process of antibacterial and mildew-proof wall covering and wall covering surface coating system

technical field

The invention relates to the technical field of wall coverings, more specifically, it relates to a surface coating system for antibacterial and anti-mildew wall coverings, and also relates to a production process for anti-bacterial and anti-mildew wall coverings.

Background technique

Wall cloth is an important part of interior decoration at present. With the overall cloth as the base material, it can replace the original wall paint and wall covering and other wall decoration materials, and because the wall cloth is used as the base material, it has a rougher three-dimensional The surface effect can form a more decorative surface shape through various processing techniques such as embroidery, printing, and jacquard, so it has always had a large market.

Most of the research on wall coverings stays in the decorative effect of wall coverings, and often focuses on the design of surface patterns, so that wall coverings have more and more personalized surface patterns, and there are relatively few studies on the functional effects of wall coverings. During the use of wall coverings, the most affected thing is the problem of antibacterial and mildew resistance. Because the humidity on the surface of the wall may be high, and it may also be affected by splashing water, it is easy to produce mildew resistance on the wall coverings, resulting in The wall covering produces mildew stains, which affects the service life of the wall covering.

At present, the main antibacterial and anti-mildew wall coverings on the market are often soaked in additives during the production process of the base cloth of the wall coverings, so that the anti-bacterial and anti-mildew additives can enter the bottom of the wall coverings and play a certain role. Degree of antibacterial and antifungal effect. Using the soaking method, it is necessary to immerse the cloth into the reagent formed by the ratio of the auxiliary agent. Impurities such as fluff on the surface of the cloth will invade the reagent and cause a certain degree of pollution to the reagent. The soaking effect in the later stage will decrease, which will affect the antibacterial and mildew resistance. uniformity.

Therefore, a new solution needs to be proposed to solve this problem.

Contents of the invention

The purpose of the present invention is to solve the above problems and provide a surface coating system for antibacterial and antimildew wall coverings, which process the surface of the cloth by coating, and use foamed slurry to make antibacterial and antimildew auxiliary agents It can form a protective layer on the surface, which can improve the overall effect of the coating and improve the antibacterial and anti-mildew effect of the wall covering.

The above-mentioned technical purpose of the present invention is achieved through the following technical solutions: a surface coating system for antibacterial and mildew-proof wall coverings, comprising a coating mesh roll and a scraping member arranged in the coating mesh roll, the coating The net roll is annular and hollow, and has several mesh holes on the outer periphery. The coating net roll is used to store the foaming slurry to be coated. The inner wall on the upper side is against each other; the two ends of the coating mesh roller are rotatably supported by the rotating seat, and can realize axial rotation movement. During the axial rotation process of the coating mesh roller, the scraper passes Pressing, extrude the foaming slurry that bypasses the upper side of the coating screen roll, and coat the cloth on the upper side of the roll coating screen roll.

The present invention is further configured to include a conveyor belt, the conveyor belt is located on the upper side of the coating mesh roll, and is attached to the upper book position of the coating mesh roll, and the lower side of the conveyor belt is used for bonding with the cloth to be coated , through the conveyor belt to drive the cloth to pass through the upper side of the coating roller.

The present invention is further provided that both ends of the coating mesh roll are open, one end is provided with a feed pipe, and the lower side of the other end is provided with a discharge hopper; One side is inclined, and the discharge hopper is used to receive the slurry flowing down from the coating mesh roll.

The present invention is further provided that the coating mesh roll is a tapered cylindrical structure, one end is a small-diameter end, and the other end is a large-diameter end; the axis of the coating mesh roll is inclined, and the coating mesh roll The upper position is horizontal, and the lower position is inclined to one side.

The present invention is further provided that a material receiving trough is provided at the middle position inside the coating mesh roll, and an open notch is arranged on the top of the material receiving trough, and the notch corresponds to the upper side position of the coating mesh roll, for Undertake the slurry dripping from the scraping parts.

The present invention is further provided that the scraping member is a scraper, the lower side of the scraper is installed in the receiving tank through the mounting seat, the upper end of the scraper extends out of the notch, and is offset against the inner side wall of the upper side of the coating screen roller, It is used to extrude and coat the slurry coated on the inside of the screen roll to the cloth.

The present invention is further provided that the receiving tank is arranged along the length direction of the coating roller, and an inner tank with an open top is provided inside the receiving tank, and the inner tank can receive slurry dripping from above; the inner tank faces One side is inclined, and the slurry in the inner tank drips down from the opening at the end of the inner tank to the bottom of the receiving tank; the inner bottom of the receiving tank is set as an inclined surface, and the inclined surface and the inner side The direction of inclination is opposite, and several through holes are provided on the bottom of the inclined surface, and each through hole is used for slurry to flow down.

The present invention is further provided that the scraping member is a scraping roller, and the two ends of the scraping roller are rotatably supported by bearing seats, and can realize axial rotation, and the rotation direction is opposite to that of the coating mesh roller; the scraping roller The upper side edge of the roll abuts against the inner side of the upper side position of the coating screen roll.

The present invention is further provided that the section of the inner groove is arc-shaped, and the lower side of the scraping roller extends into the arc-shaped groove; the scraping roller includes a roller body, and the roller body is provided with a The material chamber for storing slurry, the middle section of the roller body is the seepage section, and the outer circumference of the seepage section is provided with a number of seepage holes for the slurry to seep out; the roller body is provided with a feeding pipe, and the feeding pipe A feeding hole is opened at the position extending into the middle of the material chamber, and the externally connected slurry can be injected into the material chamber through the feeding pipe;

The present invention is further configured as follows: two sets of stoppers are arranged in the body of the roller, the distance between the stoppers can be adjusted, and the material cavity is formed between the two sets of stoppers; the stoppers include ring sleeves, the The ring sleeve is set on the outer circumference of the feeding pipe, and the sliding seal is realized through the sealing ring one; the outer circumference of the end of the ring sleeve opposite to the other set of stoppers is fixedly connected with a fixed stop ring, and the outer circumference of the fixed stop ring is connected with the second sealing ring The inner peripheral wall of the roller body realizes a sliding seal; the outer circumference of the end of the ring sleeve opposite to the other set of stoppers is fixedly connected with a stopper, and the outer circumference of the ring sleeve is provided with a movable stop ring, and the movable stop ring can slide in a fixed position. Sliding adjustment between the stop ring and the stop block; a spring is elastically pressed between the fixed stop ring and the movable stop ring;

The present invention is further provided that a number of circumferentially distributed notches are provided on the outer periphery of the movable retaining ring, and a linkage block is rotatably connected to a linkage block through the linkage shaft in the said gap, and one end of the linkage block protrudes toward the block to form a The other end of the pressing part that presses against the peripheral wall of the body extends toward the fixed block to form a linkage part; the outer circumference of the linkage shaft is covered with a torsion spring, and the torsion spring can drive one end of the pressing part of the linkage block to swing toward the outer circumference. The pressing part is pressed against the inner peripheral wall of the roller body to realize pressing and fixing;

The present invention is further provided that, the side of the fixed block facing the moving block is fixedly connected with several pressing blocks, the pressing blocks correspond to the linkage blocks one by one, and the end of the pressing block facing the linkage block is provided with The pressing inclined surface is inclined toward the outer circumference of the roller sleeve, and the linkage part of the linkage block is provided with a pressing arc surface adapted to press against the pressing inclined surface, and the pressing inclined surface and the pressing arc surface are pressed against each other It is used to drive the side of the linkage part of the linkage block to swing outward and the side of the pressing part to swing inward when the moving stop ring and the fixed stop ring are close to each other, so that the pressing part and the inner peripheral wall of the roller body are mutually separation;

The present invention is further provided that a guide wheel is rotatably connected to the linkage part of the linkage block, and the guide wheel is used for rolling and sliding with the inner peripheral wall of the roller body in the axial direction; When pressing, the guide wheel and the inner peripheral wall of the roller body are separated from each other, and retracted between the fixed stop ring and the movable stop ring; the pressing part of the linkage block swings inward, and the linkage part swings outward, and the guide wheel is against the inner peripheral wall of the roller body .

The present invention also improves the production process of a kind of antibacterial and mildew-proof wall covering, and adopts the above-mentioned coating system to carry out coating; Pass; during the axial rotation process of the coating mesh roll, the scraper passes through the pressure against the coating mesh roll, and squeezes out the foaming slurry that bypasses the upper side of the coating mesh roll, and coats the winding roll. The fabric at the upper side of the mesh roll is coated.

In summary, the present invention has the following beneficial effects:

By using foamed slurry for coating, the coated auxiliary agent can penetrate into the fabric, and most of the slurry can stay on the surface of the fabric. After drying, a dense layer can be formed on the surface of the fabric. Protective layer, thereby improving the overall antibacterial and anti-mildew effect of the wall covering.

In the coating process, the bottom coating method is adopted, and the coated slurry is located on the lower side of the fabric, so the influence of gravity on the slurry can be reduced, and the slurry can be prevented from extending into the fabric due to the influence of its own weight. The tension between the foam paste materials floats on the surface of the cloth, which in turn facilitates the formation of the protective layer.

By adopting the method of differential speed coating, the coating screen roller can slip relative to the surface of the fabric during the coating process, thereby prolonging the contact distance between the slurry and the scraping roller, which can increase the size of the slurry and the scraping roller. The contact effect between the material rollers; compared with the synchronous rolling coating, it has a better coating effect. Due to the relative slippage during the coating process, there is not only one point in contact with the cloth, but there will be many Each point is in contact with the fabric to form a smear effect, thereby ensuring that the slurry can be attached to every position of the fabric. However, due to the relative friction between the cloth and the coated mesh roll, the surface of the coated mesh roll will be worn to a certain extent, and the coated mesh roll needs to be regularly maintained, tested or replaced.

Description of drawings

Fig. 1 is the structural representation of the surface coating system of a kind of antibacterial mildew-proof wall covering of the present invention;

Fig. 2 is a side view one of the coating mesh roll of the surface coating system of a kind of antibacterial and mildew-proof wall covering of the present invention;

Fig. 3 is the structural representation in the receiving tank of the surface coating system of a kind of antibacterial and mildew-proof wall covering of the present invention;

Fig. 4 is a side view one of the coating mesh roll of the surface coating system of a kind of antibacterial and mildew-proof wall covering of the present invention;

Fig. 5 is the structural representation of scraping roller of the present invention;

Fig. 6 is a structural schematic diagram 1 of the stopper of the present invention;

Fig. 7 is a second structural schematic diagram of the stopper of the present invention.

Reference signs: 1, coating screen roller; 101, upper side position; 102, lower side position; 103, small diameter end; 104, large diameter end; 2, rotating seat; 3, feed pipe; 4, discharge hopper; 5. Cloth; 6. Feed trough; 601, feed trough; 602, notch; 603, inner groove; 604, inclined surface; 605, through hole; 7, scraper piece; 701, scraper; 702, mounting seat ; 703, scraping roller; 8, roller body; 801, seepage section; 802, seepage hole; 803, feed pipe; 804, feed hole; 9, stopper; 900, feed cavity; 901, ring sleeve; , sealing ring one; 903, fixed retaining ring; 904, sealing ring two; 905, block; 906, moving retaining ring; 907, spring; 908, notch; 909, linkage block; 910, linkage shaft; 911, torsion spring 912, guide wheel; 913, pressing part; 914, linkage part; 915, pressing curved surface; 916, pressing block;

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

This embodiment discloses a surface coating system for antibacterial and mildew-proof wall coverings, including a coating mesh roll 1 and a scraper 7, the coating mesh is hollow in the form of a roller ring, and has several mesh holes on the outer periphery, and the coating mesh roll The foaming slurry to be coated can be stored in 1, because the slurry to be coated has a foamed structure, it can be temporarily stored in the coating screen roll 1.

The scraping member 7 is installed on the inner side of the coating mesh roller 1, and can press against the inner wall of the coating mesh roller 1. During the axial rotation of the coating mesh roller 1, the scraping member 7 passes through the coating mesh The pressing of the roller 1 extrudes the foamed slurry passing around the upper side of the coating mesh roller 1 to coat the cloth 5 at the position 101 on the upper side of the roller coating mesh roller 1 .

The foamed slurry is used for coating, and the slurry is foamed by a foaming device, and the anti-mold and antibacterial additives are mixed into the slurry to form a foamed slurry through foaming. The viscosity of the slurry after foaming increases, and a large amount of micropore foaming is mixed in it, and the slurry needs to be slowly penetrated through the mesh position, so that the foamed slurry can be temporarily stored in the coating screen roller 1, and With the rotation of the coating mesh roll 1, the slurry will move upward with the coating mesh roll 1, and the oozed slurry will follow the upward movement to form a flowing state on the outer periphery of the coating mesh roll 1, thereby making the slurry The material will also be attached to the outer peripheral position of the coating anilox roll 1. In order to avoid excessive adhesion of the oozing slurry on the outer periphery of the coating mesh roll 1, scraping cleaning can be carried out on the outer periphery of the coating mesh roller 1 regularly to avoid excessive coating.

The rotating seat 2 is installed at both ends of the coating mesh roller 1, and the rotating seat 2 is installed on the bearing seat, which can realize the rotation support, and is driven by the gear transmission structure on the outer periphery and the driving motor, so that the axis of the coating mesh roller 1 can be realized. Rotate action.

The conveyor belt 10 is driven by the rotation of the conveyor roller, and the tension of the conveyor belt 10 can be realized at the position 101 on the upper side of the coating anilox roller 1 . And there is a certain viscosity on the periphery of the conveyor belt 10, a polymer bonding layer or adhesive can be used, so that the conveyor belt 10 and the cloth 5 can maintain a stable state of mutual bonding; and the viscosity between the two is not strong. , only play the role of stable support to the cloth 5, keep the cloth 5 in a stable state during the conveying and coating process, after the coating is completed, the cloth 5 can be easily separated from the conveyor belt 10.

The cloth 5 to be coated passes through the upper side of the coating mesh roll 1 and is transported by the conveyor belt 10. The slurry exuded from the surface is attached to the cloth 5 surface to realize coating.

Both ends of the coating mesh roll 1 are open, and a feeding pipe 3 is installed at one end, and the feeding pipe 3 extends into the coating mesh roller 1, and then the slurry to be coated can be passed into the coating mesh roller 1, During the rotating working process of the coating mesh roll 1, the slurry can be spread evenly among the coating mesh roll 1, and then the input of the slurry can be timed. On the lower side of the other end of the coating mesh roll 1, a discharge hopper 4 can be installed. The inner side wall of the lower position 102 of the coating mesh roll 1 is inclined towards the side of the discharge hopper 4, and the discharge hopper 4 can accept the slurry flowing down from the coating mesh roll 1. Since the coating mesh roll 1 is in an inclined state, the input The slurry entering the coating mesh roll 1 can be circulated among the coating mesh roller 1, and the slurry can be circulated through the circulation, so as to avoid the local storage of the slurry during the circulation process, resulting in the long-term local storage of the slurry. The situation of excessive concentration caused by accumulation. The circulating slurry can keep the slurry in a relatively uniform state during the coating process, improving the uniformity and stability of different processes.

In a further preferred solution, the coating anilox roll 1 has a tapered cylindrical structure, one end is a small-diameter end 103 , and the other end is a large-diameter end 104 , as shown in FIG. 1 . Since the coating mesh roll 1 is in a tapered state, during installation, keep the axis of the coating mesh roll 1 inclined, and make the upper side position 101 of the coating mesh roll 1 remain horizontal, so that the upper side of the coating mesh roll 1 The bus bar is in a horizontal state, and the bus bar on the upper side is in contact with the cloth 5 during work to realize coating.

The lower side position 102 of the coating mesh roll 1 is inclined towards one side, so that the cloth 5 in the coating mesh roll 1 will produce a downwardly inclined flow at the lower side position 102 of the coating mesh roll 1, which can be used for materials Automatic circulation of the slurry from the coating anilox roll 1 is realized.

Since the coating anilox roll 1 has a tapered structure, the bearings at various positions on the outer periphery in the axial direction are inconsistent, and because the axial direction of the coating anilox roll 1 is in an inclined state, the generatrix of the upper side position 101 of the coating anilox roll 1 There is not only a certain speed in the conveying direction of the cloth 5, but also a speed trend in the width direction of the cloth 5. The slurry lies in the process of the cloth 5 contact coating, and there is a width direction of the slurry. The movement on the surface makes the slurry more easily spread to the width direction of the cloth 5, increasing the integrity of the coating slurry adhesion on the surface of the cloth 5 during the coating process.

When the slurry is carried by the coating roller 1 and rotates upwards, it forms a turning direction in the width direction at the topmost position, that is, the upper position 101, and the coated slurry can use its own inertia Carrying continues to move, and then can intensify seeping out from the surface of coating anilox roll 1, plays the effect of increasing coating amount.

During the rotation process, the position of the outer peripheral surface of the coating mesh roller 1 rotates once, and the vertical projection on the surface of the cloth 5 will also change, forming a wavy coating state. During the coating process, the coating mesh roller 1 rotates independently, and There is a certain difference in line speed between the contact position of the coating mesh roll 1 and the cloth 5, so that the cloth 5 can touch the longer outer peripheral surface length of the coating mesh roll 1 during the coating process, and can have more The paint adheres to the surface of the cloth 5, and then spreads out through the spreading of the coating, thereby increasing the integrity of the coating on the surface of the cloth 5.

In order to maintain the residence time of the slurry in the coating mesh roll 1, a receiving tank 6 is installed in the middle of the coating screen roll 1. The top of the receiving tank 6 is an open notch 602, and the width of the borrowing tank is slightly smaller than The width of the coating mesh roll 1 is greater than the width of the coating position of the cloth 5, so that the upper side notch 602 of the material receiving tank 6 can correspond to the upper side position 101 of the coating mesh roll 1, which can be used to receive the scraping material Item 7 scrapes the dripping slurry. After the slurry in the coating mesh roll 1 is squeezed by the inside of the scraper 7, a larger amount of slurry will drip down inside the coating mesh roll 1, and along the scraper 7, Dropping into the receiving tank 6, plays the role of circulating and collecting the slurry in the coating anilox roll 1, and the slurry injected into the coating anilox roll 1 each time can pass through the circulation to extend the coating anilox roll 1 The residence time of the slurry is reduced, and the process of circulating the slurry is reduced.

And the lower part of the whole coating screen roll 1 is equipped with a larger tank body, which can collect the dripped slurry, and can be recycled after cyclic foaming again, which can reduce the waste of slurry.

As shown in Figure 2, the scraper 7 is a scraper 701, the lower side of the scraper 701 is installed in the receiving tank 6 through the mounting seat 702, and the upper end of the scraper 701 stretches out from the notch 602, and is connected with the coating screen roller 1 The inner side wall of the side position 101 is offset, and the inner side surface of the coating mesh roll 1 can be squeezed by the edge position on the upper side of the scraper 701, and a convergence can be formed on the slurry on the inner side of the coating net roll 1, which can temporarily Stay at the upper position 101 of the coating anilox roll 1, and under the pressure of the scraper 701, the slurry can be extruded and coated on the cloth 5.

The receiving tank 6 is arranged along the length direction of the coating roller, and a number of through holes 605 are opened at the bottom of the borrowing tank, through which the coating slurry received in the receiving tank 6 can be reflowed back to the coating The inner peripheral surface of the mesh roll 1 is conducive to uniform coating of the slurry in the coating mesh roll 1 .

Further, an inner tank 603 with an open top is installed inside the receiving tank 6, and the inner tank 603 can receive the slurry dripping from above, that is, the dripping slurry must first pass through the inner tank 603, and then flow down to the receiving tank. Among the hopper 6. As shown in Figure 3, the inner tank 603 is inclined to one side, and the lower end of the inner tank 603 is an open structure, and the slurry in the inner tank 603 can flow downward from the lower end of the inner tank 603 Road to the middle of the receiving tank 6, and can be concentrated to one side of the receiving tank 6.

The inner bottom of the receiving tank 6 is set as an inclined surface 604, and the inclined surface 604 is opposite to the inclination direction of the inner side. The slurry flowing down from the inner tank 603 is at a high position on the inclined surface 604 of the receiving tank 6, and along the inclined surface 604 The slurry can flow down from the inclined surface 604 to fill the bottom position of the entire receiving tank 6 . Furthermore, through the through hole 605 at the bottom of the inclined surface 604, the slurry received by the receiving tank 6 can be relatively uniformly flowed down, and can be spread to almost the entire width and length direction.

This scraping member 7 can also adopt a scraping roller 703 to replace the scraper 701, and the scraping roller 703 in the shape of an annular roller can avoid forming a resistance to the upper circumference of the coating roller, because the upper circumference of the scraping roller 703 Avoiding the arc-shaped state can increase the pressure contact position of the scraping member 7 on the upper side position 101 of the coating mesh roller 1, and then increase the extrusion amount of the slurry on the upper side of the coating mesh roller 1 , to ensure that enough slurry will be applied to the surface of the cloth 5 to increase the coating effect and the stability of the coating quality.

Further, both ends of the scraping roller 703 are rotatably supported by the bearing housing, and can realize axial rotation, so that the scraping roller 703 can actively rotate, and the rotation direction is opposite to that of the coating mesh roller 1 . During the rotation process, the scraping roller 703 moves in the opposite direction to the contact position of the coating mesh roller 1 at the upper position 101, and the two are lubricated by the slurry to maintain the smooth extrusion of the slurry coating. Moreover, the opposite movement directions of the two can increase the slurry extrusion effect of the doctor roll 703 on the coating anilox roll 1, so as to realize a stable and sufficient supply of slurry.

As shown in Figure 4, the section of the inner groove 603 is arc-shaped, the lower side of the scraping roller 703 extends into the arc-shaped groove, and the position of the lower side of the scraping roller 703 can be immersed in the middle of the inner side Among the slurry, a certain amount of slurry is always attached to the surface of the scraper roller 703 . And the peripheral position of this doctor roll 703 also can be attached with one deck adhesion layer, and this adhesion layer can adopt the cloth 5 that has certain adsorption effect, makes the scraper roll 703 itself just adheres to carry slurry, is the coating mesh roll on the upper side 1. The slurry can be extruded more evenly when the pressure contact is generated, and the stability of the coating process can be maintained.

And, as shown in Figure 4, the heights of the two side edges of the section of the inner groove 603 are inconsistent, and the higher side edge position of the inner groove 603 is located at the rotation direction of the scraping roller 703, and the inner groove 603 and the scraping roller 703 are close to each other, and the slurry stored in the inner tank 603 is driven by the rotation of the scraping roller 703, and will move to the right direction, prolonging the contact distance between the slurry and the scraping roller 703, which can The contact effect between the slurry and the doctor roll 703 is increased.

This embodiment also discloses another surface coating system for antibacterial and mildew-proof wall coverings. On the basis of the above embodiments, further description will be made with reference to FIGS. 5 and 6 .

The scraping member 7 adopts a scraping roller 703, and the scraping roller 703 includes a roller body 8, the roller body 8 adopts a hollow structure, and a cavity 900 for storing slurry is formed inside. Moreover, the middle section of the roller body 8 is a seepage section 801, and the periphery of the seepage section 801 is provided with some seepage holes 802 for the slurry to ooze out; during the coating process, the slurry is deposited in the filler In the chamber 900, the slurry can ooze out from the middle seepage section 801 to the outer periphery, so that the outer periphery of the scraper roller 703 can ensure that a sufficient amount of slurry is attached, and the sufficient amount of slurry coating can be maintained.

A feed pipe 803 runs through the roller body 8, and the feed pipe 803 extends into the middle of the material chamber 900, and a feed hole 804 is provided corresponding to the middle end position of the roller body 8, and the externally connected slurry can be fed through the feed pipe 803. Inject into the material chamber 900 to realize the supply of slurry in the roller body 8 .

Further, a hole is opened on the periphery of the seepage section 801, and the hole is covered with a gelatinous membrane body for blocking, and a hole 802 is formed by opening a hole in the gelatinous membrane material; due to the gelatinous The membrane body material has a certain degree of elasticity. In the state of not being squeezed, the seepage hole 802 is in an almost closed state. Protruding out quickly will form a state of slow seepage.

Two sets of stoppers 9 are installed in the roller body 8, and a material cavity 900 is formed between the two sets of stoppers 9, and the slurry in the roller body 8 is stored in the material cavity 900 between the two sets of stoppers 9, through The two sets of stoppers 9 form a certain blocking pressure at the two ends of the material cavity 900, so that the slurry in the material cavity 900 can be squeezed to a certain extent, thereby ensuring that the slurry can pass through the material holes 802 on the surface of the roller body 8. Oozing out in the middle realizes the sizing effect to the scraper roller 703 surface.

The distance between the two stoppers 9 can be adjusted. Specifically, as shown in FIGS. The inner circumference of the seal ring one 902 is installed, and the sliding seal between the ring sleeve 901 and the feeding pipe 803.

The outer circumference of one end of the ring sleeve 901 opposite to the other set of stop plugs 9 is fixedly connected with a fixed stop ring 903, and the outer circumference of the fixed stop ring 903 realizes a sliding seal with the inner peripheral wall of the roller body 8 through the sealing ring 2 904; the ring sleeve 901 and the other A stopper 905 is fixedly connected to the outer periphery of one end opposite to the set stopper 9 . The outer circumference of the ring sleeve 901 is provided with a movable stop ring 906, and an axial sliding connection structure is formed between the movable stop ring 906 and the ring sleeve 901, and is limited by the fixed stop ring 903 and the stopper 905, and the movable stop ring 906 slides It can be slidably adjusted between the fixed stop ring 903 and the stopper 905 . A spring 907 is elastically pressed between the fixed stop ring 903 and the movable stop ring 906. Through the elastic action of the spring 907, the movable stop ring 906 can be pressed and limited on the stop block 905, so that the fixed stop ring 903 and the movable stop ring The rings 906 are located outside the two ends of the ring sleeve 901 respectively, forming a double retaining ring structure.

Open some gaps 908 that are circumferentially distributed on the outer periphery of the moving retaining ring 906, and the linkage block 909 is connected with the linkage block 909 through the linkage shaft 910 in the gap 908. The linkage block 909 can realize the swing adjustment through the linkage shaft 910, and the linkage block 909 and the gap 908 The number of groups is generally six to eight, which can be set according to the actual situation. One end of the linkage block 909 protrudes toward the stop block 905 to form a pressing portion 913 that presses against the inner peripheral wall of the roller body 8, and the other end of the linkage block 909 extends toward the fixed block 905 to form a linkage portion 914; The outer circumference of 910 is provided with a torsion spring 911, which can drive one end of the pressing part 913 of the linkage block 909 to swing to the outer circumference through the torsion spring 911, so that the pressing part 913 is pressed against the inner peripheral wall of the roller body 8 to achieve pressing and fixing. After the pressing portion 913 is pressed against the inner circumference of the roller body 8 , it can maintain mutual fixation with the roller body 8 to form a clamping structure.

The fixed block 905 is fixedly connected with a number of pressing blocks 916 on the side facing the moving block 905. The pressing blocks 916 correspond to the linkage block 909 one by one, and the end of the pressing block 916 facing the linkage block 909 is processed to form a pressing force. The inclined surface 917, the pressing inclined surface 917 is arranged obliquely toward the outer circumference of the roller sleeve, and the linkage portion 914 of the linkage block 909 has a pressing arcuate surface 915 that fits against the pressing inclined surface 917. The pressing inclined surface 917 and the pressing curved surface 915 press and fit each other to realize the linkage between the linkage block 909 , the fixed block 905 and the moving block 905 .

When the movable stop ring 906 and the fixed stop ring 903 are close to each other, the pressing inclined surface 917 on the fixed stop block 905 pushes the pressing arc surface 915 to swing outward, that is, one side of the linkage part 914 of the linkage block 909 swings outward; One side of the part 913 then swings inward, so that the inner peripheral wall of the pressing part 913 and the roller body 8 is separated from each other, and the two groups of stoppers 9 can be pushed back from the inner side of the fixed block 905 to move back.

A guide wheel 912 is rotatably connected to the linkage part 914 of the linkage block 909 , and the guide wheel 912 can roll and slide axially with the inner peripheral wall of the roller body 8 . When the pressing part 913 of the linkage block 909 and the inner peripheral wall of the roller body 8 are pressed against each other, the guide wheel 912 and the inner peripheral wall of the roller body 8 are separated from each other, and retracted between the fixed stop ring 903 and the movable stop ring 906; the linkage block 909 The pressing part 913 of the roller swings inward, the linkage part 914 swings outward, and the guide wheel 912 is against the inner peripheral wall of the roller body 8 .

When the scraping roller 703 is working, the stopper 9 is squeezed toward the middle of the roller body 8 from both ends of the roller body 8, and the material cavity 900 in the middle of the stopper 9 is shrunk. Inject slurry into the material cavity 900 in the middle of the stopper 9 through the feed pipe 803, and pressurize to push the two sets of stoppers 9 outwards, so that the material cavity 900 is filled with slurry, and there is almost no material in the entire material cavity 900. There is a gap, and there is no gap at the upper side position 101 of the annular material chamber 900, so the slurry can be stretched out from various positions on the outer periphery of the entire annular roller body 8, especially ensuring that the upper side position 101 of the roller body 8 It can always have sufficient slurry supply, which can realize more stable and uniform coating.

After the two groups of stoppers 9 are stretched to an appropriate distance, reduce the pressurization strength in the middle of the feeding pipe 803, due to being subjected to the spring 907 and the torsion spring 911 in the stopper 9 at this time, the linkage block 909 in the stopper 9 will The outer side is stretched, so that the pressing portion 913 forms a stable clamping and fixing effect with the inner circumference of the roller body 8, and at this time, the stopper 9 cannot continue to move outward. The pressure generated in the feeding pipe 803 will continue to generate pressure on the inner side of the seepage section 801, so that the seepage hole 802 will be under pressure to maintain a stable slurry output. Moreover, when the pressure in the feeding pipe 803 increases suddenly, the increased pressure will continue to push the stopper 9 to move outward, and a linkage will be generated between the fixed stopper ring 903 and the movable stopper ring 906 in the stopper 9. 913 shrinks inwardly, and the clamping effect between the stopper 9 and the inside of the roller body 8 disappears, and the guide wheel 912 and the inner circumference of the roller body 8 are driven against each other, and the stopper 9 can be pushed outward, thereby achieving excessive The effect of pressure relief.

Further, a limit spring 907 can be installed on the back side of the two groups of stoppers 9, and a certain inward pressure can be formed on the stopper 9 through the limit spring 907, and one end of the limit spring 907 can be pressed against the On the raised step surface inside the roller body 8 , the other end can be pressed against the stopper 905 of the stopper 9 to realize the support and limit of the stopper 9 . When the pressure in the feeding pipe 803 drops, the elastic effect of the limit spring 907 cannot be maintained, and it will be pushed back to shrink, so as to realize the supplementary adjustment function after the pressure reduction, and further maintain the stability of the pressure in the material chamber 900 and keep the seepage. The material section 801 is in a state of stable bleeding, maintaining the stability of the coating effect.

This embodiment also discloses a production process of antibacterial and mildew-proof wall covering, which is coated by any of the above-mentioned coating systems; the lower side of the conveyor belt 10 is bonded to the cloth 5 to be coated, and the cloth 5 is driven by the conveyor belt 10 Pass through the upper side of the coating mesh roller 1; during the axial rotation of the coating mesh roller 1, the scraper 7 will pass through the foam on the upper side of the coating mesh roller 1 by pressing against the coating mesh roller 1. The slurry is extruded outwards to coat the cloth 5 at the position 101 on the upper side of the roll coating screen roll 1 . Coat the lower side of the cloth 5 to form a foamed slurry layer through the coating system, and then transport the cloth 5 into the drying equipment to dry the slurry layer to obtain an antibacterial and mildew-proof wall covering base material, which is compounded by subsequent printing And other processes to form wall coverings with antibacterial and antifungal effects.

The slurry is relatively moist, and can penetrate into the fabric 5 during the coating process, and enter the interior of the fabric 5, so that the interior of the fabric 5 has the effect of antibacterial and anti-mildew, and most of the slurry will stay in the fabric in a foamy structure The lower surface position of 5 can form a protective layer with antibacterial and antifungal effects on the surface layer side of cloth 5 after drying, and this protective layer can play an antibacterial and antifungal protective effect on one side direction, and play a role of antibacterial and antifungal protection. blocking effect.

Further, after the first coating and drying session of the cloth 5, the above-mentioned coating process can be used for coating again, and the other side of the cloth 5 is also coated, so that both sides of the cloth 5 can form The antibacterial and antimildew protective layer greatly improves the antibacterial and antimildew effect of the cloth 5 .

The above descriptions are only preferred implementations of the present invention, and the scope of protection of the present invention is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present invention belong to the scope of protection of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims (10)

1. The surface coating system of the antibacterial and mildewproof wall cloth is characterized by comprising a coating screen roller (1) and a scraping piece (7) arranged in the coating screen roller (1), wherein the coating screen roller (1) is hollow in an annular shape and is provided with a plurality of meshes at the periphery, foaming slurry to be coated is stored in the coating screen roller (1), and the scraping piece (7) is arranged in the coating screen roller (1) and is abutted against the inner wall of the upper side of the coating screen roller (1); the both ends of coating net roller (1) are passed through roating seat (2) rotation support to can realize axial rotary motion, at coating net roller (1) axial rotation in-process, scrape material piece (7) through with the support of coating net roller (1) and press, will walk around the foaming thick liquids of coating net roller (1) upside and outwards extrude, coat around cloth (5) of rolling coating net roller (1) upside position (101).

2. The surface coating system of the antibacterial and mildewproof wall cloth according to claim 1, further comprising a conveyor belt (10), wherein the conveyor belt (10) is positioned on the upper side of the coating screen roller (1) and is attached to the upper volume position of the coating screen roller (1), the lower side of the conveyor belt (10) is used for being adhered to a cloth (5) to be coated, and the cloth (5) is driven by the conveyor belt (10) to pass through the upper side of the coating screen roller (1).

3. The surface coating system of the antibacterial and mildewproof wall cloth according to claim 1, wherein two ends of the coating net roller (1) are open, one end of the coating net roller is provided with a feeding pipe (3), and the lower side of the other end of the coating net roller is provided with a discharging hopper (4); the inner side wall of the lower side position (102) of the coating net roller (1) is obliquely arranged towards one side of the discharge hopper (4), and the discharge hopper (4) is used for receiving slurry flowing downwards from the coating net roller (1).

4. The system for coating the surface of antibacterial and mildewproof wall cloth according to claim 3, wherein the coating net roller (1) is in a conical cylindrical structure, one end of the coating net roller is a small-diameter end (103), and the other end of the coating net roller is a large-diameter end (104); the axis of the coating net roller (1) is obliquely arranged, the upper side position (101) of the coating net roller (1) is horizontal, and the lower side position (102) is obliquely arranged towards one side.

5. The surface coating system of the antibacterial and mildewproof wall cloth according to claim 1, wherein a material receiving groove (6) is formed in the middle position of the inner side of the coating net roller (1), an open notch (602) is formed in the top of the material receiving groove (6), and the notch (602) corresponds to the upper side position (101) of the coating net roller (1) and is used for receiving slurry dripped from the scraping material of the scraping member (7).

6. The system for coating the surface of the antibacterial and mildewproof wall cloth according to claim 5, wherein the scraping member (7) is a scraper (701), the lower side of the scraper (701) is installed in the material receiving groove (6) through an installation seat (702), and the upper end of the scraper (701) extends out of the notch (602) and abuts against the inner side wall of the upper side position (101) of the coating screen roller (1) to extrude and coat the sizing agent on the inner side of the coating screen roller (1) to the cloth material (5).

7. The system for coating the surface of antibacterial and mildewproof wall cloth according to claim 5, wherein the material receiving groove (6) is arranged along the length direction of the coating roller, an inner groove (603) with an open top is arranged inside the material receiving groove (6), and the inner groove (603) can receive slurry dropping from the top; the inner groove (603) is obliquely arranged towards one side, and slurry in the inner groove (603) drops downwards to the bottom of the material receiving groove (6) from an opening at the end part of the inner groove (603); the bottom of the inner side of the receiving groove (6) is provided with an inclined surface (604), the inclined surface (604) is opposite to the inclined direction of the inner side, a plurality of through holes (605) which penetrate through the inclined surface (604) are arranged at the bottom of the inclined surface (604), and each through hole (605) is used for slurry to flow downwards.

8. The system for coating the surface of the antibacterial and mildewproof wall cloth according to claim 7, wherein the scraping member (7) is a scraping roller (703), and two ends of the scraping roller (703) are rotatably supported through bearing blocks and can rotate axially, and the rotating direction is opposite to that of the coating screen roller (1); the upper side edge of the scraping roller (703) is abutted against the inner side of the upper side position (101) of the coating screen roller (1).

9. The system for coating an antibacterial and mildewproof wall cloth according to claim 8, wherein the inner groove (603) has an arc-shaped cross section, and the lower side of the scraping roller (703) extends into the arc-shaped groove; the scraping roller (703) comprises a roller body (8), a material cavity (900) for storing slurry is arranged in the roller body (8), the middle section of the roller body (8) is a seepage section (801), and a plurality of seepage holes (802) for the slurry to seep out are formed in the periphery of the seepage section (801); a feeding pipe (803) penetrates through the roller body (8), a feeding hole (804) is formed in the position, extending into the middle of the material cavity (900), of the feeding pipe (803), and externally-connected slurry can be injected into the material cavity (900) through the feeding pipe (803);

two groups of blocking plugs (9) are arranged in the roller body (8), the distance between the blocking plugs (9) can be adjusted, and the material cavity (900) is formed between the two groups of blocking plugs (9); the blocking plug (9) comprises a ring sleeve (901), the ring sleeve (901) is sleeved on the periphery of the feeding pipe (803), and sliding sealing is realized through a first sealing ring (902); the outer periphery of one end, opposite to the other group of blocking plugs (9), of the ring sleeve (901) is fixedly connected with a blocking ring (903), and the outer periphery of the blocking ring (903) is in sliding seal with the inner peripheral wall of the roller body (8) through a second sealing ring (904); a stop block (905) is fixedly connected to the periphery of one end, back to the other group of stop plugs (9), of the ring sleeve (901), a movable stop ring (906) is sleeved on the periphery of the ring sleeve (901), and the movable stop ring (906) can slide between the fixed stop ring (903) and the stop block (905) for sliding adjustment; a spring (907) is elastically pressed between the fixed stop ring (903) and the movable stop ring (906);

a plurality of notches (908) distributed in a circumferential manner are formed in the periphery of the movable baffle ring (906), a linkage block (909) is rotatably connected in each notch (908) through a linkage shaft (910), one end of each linkage block (909) extends towards the direction of the stop block (905) to form a pressing part (913) used for pressing against the inner peripheral wall of the roller body (8), and the other end of each linkage block extends towards the direction of the fixed stop block (905) to form a linkage part (914); the periphery of the linkage shaft (910) is sleeved with a torsion spring (911), one end of a pressing part (913) of the linkage block (909) can be driven to swing towards the periphery through the torsion spring (911), and the pressing part (913) is pressed against the inner peripheral wall of the roller body (8) to realize pressing and fixing;

the side, facing the movable stop block (905), of the fixed stop block (905) is fixedly connected with a plurality of pressing blocks (916), the pressing blocks (916) correspond to the linkage blocks (909) one by one, one end, facing the linkage blocks (909), of each pressing block (916) is provided with a pressing inclined surface (917), each pressing inclined surface (917) is obliquely arranged towards the outer periphery of the roller sleeve, a linkage part (914) of each linkage block (909) is provided with a pressing arc surface (915) in pressing fit with each pressing inclined surface (917), each pressing inclined surface (917) and each pressing arc surface (915) are in pressing fit with each other, and the pressing inclined surfaces are used for driving one side of the linkage part (914) of each linkage block (909) to swing outwards and one side of each pressing part (913) to swing inwards when the movable stop ring (906) and the fixed stop ring (903) are close to each other, so that the pressing parts (913) and the inner peripheral wall of the roller body (8) are separated from each other;

a guide wheel (912) is rotatably connected to a linkage part (914) of the linkage block (909), and the guide wheel (912) is used for axially rolling and guiding with the inner peripheral wall of the roller body (8); when the pressing part (913) of the linkage block (909) and the inner peripheral wall of the roller body (8) are pressed against each other, the guide wheel (912) and the inner peripheral wall of the roller body (8) are separated from each other and are retracted between the fixed blocking ring (903) and the movable blocking ring (906); the pressing part (913) of the linkage block (909) swings inwards, the linkage part (914) swings outwards, and the guide wheel (912) abuts against the inner peripheral wall of the roller body (8).

10. A production process of an antibacterial and mildewproof wall cloth, which is characterized in that the antibacterial and mildewproof wall cloth is coated by the coating system of any one of claims 1 to 9; the lower side of the conveyor belt (10) is mutually adhered with the cloth (5) to be coated, and the cloth (5) is driven to pass through the upper side of the coating screen roller (1) through the conveyor belt (10); in the axial rotation process of the coating screen roller (1), the scraping piece (7) pushes out the foaming slurry bypassing the upper side of the coating screen roller (1) through the pressing of the scraping piece and the coating screen roller (1), and the cloth (5) at the upper side position (101) of the coating screen roller (1) is coated.

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