CN108097519B - Air pressure cushion type surface pressure film coating process and device - Google Patents

Air pressure cushion type surface pressure film coating process and device Download PDF

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CN108097519B
CN108097519B CN201810139369.9A CN201810139369A CN108097519B CN 108097519 B CN108097519 B CN 108097519B CN 201810139369 A CN201810139369 A CN 201810139369A CN 108097519 B CN108097519 B CN 108097519B
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film
air pressure
coating
equalizing plate
roller
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CN108097519A (en
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刘希文
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/02—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to separate articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
    • B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
    • B05C9/12—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation being performed after the application

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Abstract

The invention relates to an air pressure cushion type surface pressure film coating process and device, and belongs to the technical field of coating on the surface of an object. The technical scheme is as follows: an air pressure equalizing plate (3) and a coating curing device (9) are arranged between the front roller (4) and the rear roller (5), and a fan (22) is arranged on the air pressure equalizing plate; high-pressure air presses the film (2) which is wound around the lower surfaces of the front roller (4) and the rear roller (5) through holes in the air pressure equalizing plate, and the space between the lower surface of the air pressure equalizing plate and the film is filled with the high-pressure air to form a pressure air cushion (8) for coating the film under surface pressure. The invention has the beneficial effects that: the cheap soft material film, the thin film and various pattern fluffy die films can be well used, the coating effect of the film is obviously improved, the coating effect is better, and the film cost is lower; the automatic film-stripping device has the advantages of automatic and continuous supply of new films, automatic film-coating and coating, automatic curing, automatic film stripping, automatic and continuous old film recovery, and quick, efficient and full-automatic operation.

Description

Air pressure cushion type surface pressure film coating process and device
Technical Field
The invention relates to an air pressure cushion type surface pressure film coating process and device, and belongs to the technical field of object surface coating.
Background
The coating is characterized in that the coating is applied by a film, forced leveling, mirror finish coating and more extensive application. The processing cost of the coating processing market is competitive, the coating requirements for coating and processing various patterns and various colors are more and more, the coating effect requirement for coating is higher and higher, and any defective thread on the coating processing surface is unqualified; the important functions of the coating processing cost, various patterns and coating effects are the coating film and the coating technology of the coating film.
The film has various varieties, great material performance difference and great price difference. The coating industry requires film coating technical equipment; the film can be used for films of any material, soft material films, thin film films and fluffy die films with various pattern patterns as long as the price is low, the film can be uncovered after being coated by various coatings, the coating effect is good, and the coating cost of the film is reduced as much as possible by using the film; the automation degree is high, the labor is saved, the speed is high, and the efficiency is high; has become the coating processing industry, the most common and most basic ideal requirements and pursuits.
However, the existing roller-type film coating equipment, such as a roller-type film coating finishing machine and other roller-type film coating equipment and the applicant of the present application, applied on 3/13/2009, already issued invention patents: a method and a device for coating and curing ultraviolet light-cured paint are disclosed, wherein the patent number is 200910119419.8; the coating device is a cylindrical press roller, only a sliding-damage-resistant thick film or a thick film with a thick film body can be used, and the best qualified and excellent effect can be coated after the film is coated and removed on the whole film plate stile without deformation, so that the coating device has competitiveness; the problems are that the hard material film or the thick film is expensive, and the coating cost is too high. However, when cheap soft material films, thin material films and various pattern fluffy mould films are applied for coating, a plurality of defects can occur: wrinkles, tiny concave-convex phenomena, tiny bulges, folded wings at the edges of the coating, air bubbles and other defects formed by air entering, and loss and residual weight of the coating waste products are caused.
The reason is that the coating press roller has outstanding defects, so that when cheap soft material films, thin body films and fluffy die films with various pattern patterns are used for coating; the film coating compression roller is essentially a cylindrical roller which is pressed on the film, the vertex of the lower arc of the backup roller is a straight line, the pressure is downward pressed on the film, the coating paint between the film and the coating surface is a stressed centralized point line, and the rolling, rolling and stretching effects are exerted on the film in the continuous rolling process, so that the soft material film, the thin film and the fluffy die film with various pattern grain patterns are deformed, and the part of the film becomes a fold due to the soft film body and the soft bag; the film floats on the upper surface of the liquid coating, and the liquid coating under the film is directly changed along with the film before being cured; most of the coatings are polyester or resin, are viscous liquid like glue, all have slight elastic expansive force of liquid, after the coating roller is pressed by the line pressure, the pressure of the downward roller moves away and disappears suddenly, the film, the coating layer and the coated object have the condition that slight expansive force rebounds upwards, the stretching deformation of the film has the phenomenon of local micro-direction recovery and shrinkage, and the operation of the equipment is shaken; the elastic film is slightly expanded by the elastic expansion force when the liquid coating is added; the position is moved to be the phenomenon of fold and micro concave-convex, and the micro floating bulge is formed; the coating surface effect is very poor and unqualified, and the fold fin edge of a film at the edge of a coated object is easy to enter air during coating, folds, air foam and air bubbles are generated, and coating waste products are lost and residual weight is caused after ultraviolet light curing. The coating speed is increased or the coating layer is thickened, so that the defects of the coating are more easily caused and are more serious.
The roller type film coating equipment cannot be used for coating colored paint due to the simple one-line pressure film coating working mode. Because the adhesive force of color paste or toner in the colored paint is larger, the coating pressure of the required film is larger. The coating can be coated only by using a hard thick film or a film with a thick film body after the colored coating is heated and diluted, and the ideal coating effect can be achieved only by requiring high environmental temperature of the coating and having heating facilities in a factory building in winter.
Disclosure of Invention
The invention aims to provide an air pressure cushion type surface pressure film coating process and device, which can ensure that cheap soft material films, thin film films and fluffy die films with various pattern grain patterns can be well and normally used, the film coating effect is obviously improved, and the film cost is lower; the automatic film-removing device has the advantages of continuously supplying new films, automatically coating and coating films, automatically curing, automatically removing films, continuously recovering old films, quickly and efficiently operating in a full-automatic manner, and solving the problems in the prior art.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a pneumatic cushion formula face pressure tectorial membrane application device which characterized in that: an air pressure equalizing plate and a coating curing device are arranged between the front roller and the rear roller; the film surrounding frame is provided with a film, the film surrounds and passes through the lower surfaces of the front roller and the rear roller, and the film, the front roller and the rear roller synchronously run; the air pressure equalizing plate is provided with a fan, high-pressure air presses the films passing around the lower surfaces of the front roller and the rear roller through holes in the air pressure equalizing plate, and the space between the lower surface of the air pressure equalizing plate and the films is filled with the high-pressure air to form a pressure air pressure cushion; the front roller is coated with a film, surface pressure film coating is carried out, and the rear roller is synchronously uncovered; the film surrounding frame and the conveying belt are arranged above the coating object bearing device in a matching mode.
An air pressure cushion type surface pressure film coating process comprises the following steps: an air pressure equalizing plate and a coating curing device are arranged between the front roller and the rear roller; the film surrounding frame is provided with a film, the film surrounds and passes through the lower surfaces of the front roller and the rear roller, and the film, the front roller and the rear roller synchronously run; the air pressure equalizing plate is provided with a fan, high-pressure air presses the films passing around the lower surfaces of the front roller and the rear roller through holes in the air pressure equalizing plate, and the space between the lower surface of the air pressure equalizing plate and the films is filled with the high-pressure air to form a pressure air pressure cushion; the front roller is coated with a film, surface pressure film coating is carried out,
the invention is based on the same inventive concept and has two technical schemes.
The first technical scheme is as follows:
an air pressure cushion type surface pressure film coating device comprises a front roller, a rear roller, an air pressure equalizing plate, a coating curing device, a fan and a film; the air pressure equalizing plate is a whole perforated plate, the air pressure equalizing plate is arranged between the front roller and the rear roller, the coating curing device is arranged above the air pressure equalizing plate between the front roller and the rear roller, and the air pressure equalizing plate passes below the coating curing device; the air pressure equalizing plate is made of transparent material or at least the part right below the coating curing device is made of transparent material; the holes on the air pressure equalizing plate are matched with the fan, the film is tightly attached to the lower surface of the lower arc of the front roller and the lower surface of the lower arc of the rear roller to pass by, the film passes below the air pressure equalizing plate, the air pressure equalizing plate forms an air pressure cushion space above the film, and the film synchronously runs along with the front roller and the rear roller in the same direction; the front roller is coated with a film, high-pressure air of a fan arranged on the air pressure equalizing plate enters the lower part of the air pressure equalizing plate through a hole in the air pressure equalizing plate, the high-pressure air presses the film between the front roller and the rear roller from top to bottom to give surface pressure to the film from top to bottom, a coating and a coating object are arranged below the film, the high-pressure air spreads around the periphery, the front end and the rear end of the air pressure equalizing plate are blocked by the front roller and the rear roller, and downward baffles are respectively arranged at the left edge and the right edge of the air pressure equalizing plate to block the high-pressure air from spreading; high-pressure air is filled in the space between the membrane and the air pressure equalizing plate; the reaction force of high-pressure wind makes the air pressure balance plate float upwards, and an air pressure cushion which generates pressure on the membrane is formed between the air pressure balance plate and the membrane; in the space from the arc vertex below the front roller to the arc vertex below the rear roller, the length of the arc vertex and the width of the air pressure equalizing plate, an air pressure pad below the air pressure equalizing plate presses the film and the lower coating of the film, and surface pressure coating is carried out; the coating layer under the film is cured by ultraviolet light of an ultraviolet lamp on the coating curing device through the transparent air pressure equalizing plate and the film; and the rear roller synchronously uncovers the film after the coating is cured.
The front roller and the rear roller are part of a film winding frame, and the film winding frame further comprises: the film winding device comprises a film, a film surrounding frame, a new film winding and unwinding machine, a new film tension sensor roller, an old film winding and unwinding machine, an old film tension sensor roller, a front tension roller and a rear tension roller; the film surrounding frame is arranged above the coating object bearing device and is a rectangular three-dimensional frame; the front roller is arranged at the front lower end of the film surrounding frame and is a film coating roller, and the rear roller is arranged at the rear lower end of the film surrounding frame and is a film uncovering roller; a new film tension sensor roller and a new film retraction and extension machine are sequentially arranged above the front roller and at the upper part of the front end of the film surrounding frame from bottom to top, and a front tension roller is arranged between the upper part of the front roller and the new film tension sensor roller; and a rear tension roller is arranged between the rear roller and the old film tension sensor roller.
The setting process of the film on the film surrounding frame comprises the following steps: and the new film take-up and pay-off machine releases the film, the film bypasses the roll surface of the new film tension sensor, the front tension roll surface and the lower surrounding surface of the air pressure pad type film coating device, and the back tension roll surface and the roll surface of the old film tension sensor, and the old film take-up and pay-off machine takes up the film.
Function of the membrane surround frame: setting the respective film tension values of the matched new film tension transmitter and old film tension sensor, and adjusting the front tension roller and the rear tension roller; opening a new film take-up and pay-off machine and an old film take-up and pay-off machine, matching and tensioning the stretched film to make the film cling to the lower surrounding outer surface of the pneumatic cushion type film coating device and the surfaces of various guide roller rolls, and coating the film with a front lower circular arc surface of a front roller and a rear lower circular arc surface of a rear roller of the pneumatic cushion type film coating device; the section of the film which is released by the new film releasing and collecting machine and is rolled and collected by the old film releasing and collecting machine is arranged on each roller surface of the film surrounding frame for bearing; preparing a film for a pneumatic cushion type film coating device to perform film coating and coating basic preparation; the film is always kept in an unfolded, tensioned and flat state before coating, during coating of the film and after film uncovering; the new film take-up and pay-off machine is matched with the old film take-up and pay-off machine and the respective speed regulating motor or tension control brake of the air pressure cushion type film coating device; the air pressure cushion type film coating device is mainly needed, and the air pressure cushion type film coating device is synchronously linked in the same direction and is closely followed by the air pressure cushion type film coating device to continuously release new films, continuously coat films and coat and continuously recover old films.
The coating object bearing device is a section of conveying belt and a section of roller way mixing and matching conveyor, and a speed regulating motor is matched on the coating object bearing device; the lower parts of the roller way and the conveyer belt are respectively provided with a scattered and dropped coating cleaning scraper, and the lower part of the conveyer is provided with a scattered and dropped coating collecting hopper and a coating object rear extrusion coating collecting hopper.
The coating object bearing device, the front roller, the rear roller, the new film take-up and pay-off machine and the old film take-up and pay-off machine run synchronously at the same speed, and the same speed regulating motor is used for matching mutually, or the speed regulating motors are matched independently respectively, so that the synchronous running at the same speed can be ensured.
The new film take-up and pay-off machine rapidly and continuously releases new films, a coating object bearing device bears a coating object, and a coating film is continuously coated and coated under the coating curing device; the old film receiving and releasing machine can receive the old film quickly and continuously, so as to realize continuous automatic film covering and coating operation, thereby forming a complete air pressure cushion type surface pressure film covering and coating device.
An air pressure cushion type surface pressure film coating process is carried out by adopting the device, and comprises the following steps:
the film synchronously runs along with the front roller and the rear roller in the same direction; the front roller is coated with a film, high-pressure air of a fan arranged on the air pressure equalizing plate enters the lower part of the air pressure equalizing plate through a hole in the air pressure equalizing plate, the high-pressure air presses the film between the front roller and the rear roller from top to bottom to give surface pressure to the film from top to bottom, a coating and a coating object are arranged below the film, the high-pressure air spreads around the periphery, the front end and the rear end of the air pressure equalizing plate are blocked by the front roller and the rear roller, and downward baffles are respectively arranged at the left edge and the right edge of the air pressure equalizing plate to block the high-pressure air from spreading; high-pressure air is filled in the space between the membrane and the air pressure equalizing plate; the reaction force of high-pressure wind makes the air pressure balance plate float upwards, and an air pressure cushion which generates pressure on the membrane is formed between the air pressure balance plate and the membrane; in the space from the arc vertex below the front roller to the arc vertex below the rear roller, the length of the arc vertex and the width of the air pressure equalizing plate, an air pressure pad below the air pressure equalizing plate presses the film and the lower coating of the film, and surface pressure coating is carried out; the coating layer under the film is cured by ultraviolet light of an ultraviolet lamp on the coating curing device through the transparent air pressure equalizing plate and the film; and the rear roller synchronously uncovers the film after the coating is cured.
And the new film take-up and pay-off machine releases the film, the film bypasses the roll surface of the new film tension sensor, the front tension roll surface and the lower surrounding surface of the air pressure pad type film coating device, and the back tension roll surface and the roll surface of the old film tension sensor, and the old film take-up and pay-off machine takes up the film.
Setting the respective film tension values of the matched new film tension transmitter and old film tension sensor, and adjusting the front tension roller and the rear tension roller; opening a new film take-up and pay-off machine and an old film take-up and pay-off machine, matching and tensioning the stretched film to make the film cling to the lower surrounding outer surface of the pneumatic cushion type film coating device and the surfaces of various guide roller rolls, and coating the film with a front lower circular arc surface of a front roller and a rear lower circular arc surface of a rear roller of the pneumatic cushion type film coating device; the section of the film which is released by the new film releasing and collecting machine and is rolled and collected by the old film releasing and collecting machine is arranged on each roller surface of the film surrounding frame for bearing; preparing a film for a pneumatic cushion type film coating device to perform film coating and coating basic preparation; the film is always kept in an unfolded, tensioned and flat state before coating, during coating of the film and after film uncovering; the new film take-up and pay-off machine is matched with the old film take-up and pay-off machine and the respective speed regulating motor or tension control brake of the air pressure cushion type film coating device; the air pressure cushion type film coating device is mainly needed, and the air pressure cushion type film coating device is synchronously linked in the same direction and is closely followed by the air pressure cushion type film coating device to continuously release new films, continuously coat films and coat and continuously recover old films.
The second technical scheme is as follows:
an air pressure cushion type surface pressure film coating device comprises a front roller, a rear roller, an air pressure equalizing plate, a coating curing device, a fan and a film; the air pressure equalizing plate is two perforated plates, namely an air pressure equalizing plate I and an air pressure equalizing plate II; a coating curing device is arranged between the front roller and the rear roller, a first air pressure equalizing plate is arranged between the front roller and the coating curing device, a second air pressure equalizing plate is arranged between the rear roller and the coating curing device, the edges of the front end and the rear end of the first air pressure equalizing plate are respectively tightly attached to the arc surface of the front roller and the coating curing device, and the edges of the front end and the rear end of the second air pressure equalizing plate are respectively tightly attached to the arc surface of the front roller and the arc surface of the rear roller; holes in the first air pressure equalizing plate and the second air pressure equalizing plate are matched with a fan, the film is tightly attached to the lower surface of the lower arc of the front roller and the lower surface of the lower arc of the rear roller to pass by, the film passes under the first air pressure equalizing plate, the coating curing device and the second air pressure equalizing plate, an air pressure cushion space is formed above the film by the first air pressure equalizing plate, the coating curing device and the second air pressure equalizing plate, and the film synchronously runs along with the front roller and the rear roller in the same direction; the front roller is coated with a film, high-pressure air on the first air pressure equalizing plate and the second air pressure equalizing plate enters the lower parts of the first air pressure equalizing plate and the second air pressure equalizing plate through holes, the high-pressure air presses the film from top to bottom, a coating and a coating object are arranged below the film, the film is pressurized from top to bottom, the high-pressure air is diffused to the periphery, the front end and the rear end of the first air pressure equalizing plate and the rear end of the second air pressure equalizing plate are respectively blocked by the front roller and the rear roller, and the left edge and the right edge of the first air pressure equalizing plate and the second air pressure equalizing plate are respectively provided with a downward baffle plate to block the diffusion; high-pressure air is filled in the space between the membrane and the air pressure equalizing plate I, the space between the coating curing device and the air pressure equalizing plate II; the reaction force of the high-pressure wind enables the first air pressure equalizing plate and the second air pressure equalizing plate to float upwards, and air pressure cushions which generate pressure on the membranes are formed among the first air pressure equalizing plate, the coating curing device, the second air pressure equalizing plate and the membranes; in the space from the arc vertex below the front roller to the arc vertex below the rear roller, the length of the air pressure equalizing plate and the width of the air pressure equalizing plate, air pressure pads below the air pressure equalizing plate I, the coating curing device and the air pressure equalizing plate II press the film and the coating under the film, and surface pressure coating is carried out; curing the coating layer under the film by ultraviolet light of an ultraviolet lamp on the coating curing device; and the rear roller synchronously uncovers the film after the coating is cured.
An air pressure cushion type surface pressure film coating process is carried out by adopting the device, and comprises the following steps:
the film synchronously runs along with the front roller and the rear roller in the same direction; the front roller is coated with a film, high-pressure air of a fan arranged on the first air pressure equalizing plate and the second air pressure equalizing plate enters the lower parts of the first air pressure equalizing plate and the second air pressure equalizing plate through holes in the first air pressure equalizing plate and the second air pressure equalizing plate, the high-pressure air presses the film between the front roller and the rear roller from top to bottom to provide surface pressure for the film from top to bottom, a coating and a coating object are arranged below the film, the high-pressure air is diffused all around, the front end and the rear end of the first air pressure equalizing plate and the rear end of the second air pressure equalizing plate are respectively blocked by the front roller and the rear roller, and the left edge and the right edge of the first air pressure equalizing plate and the second air pressure equalizing plate are respectively; high-pressure air is filled in the space between the membrane and the air pressure equalizing plate I, the space between the coating curing device and the air pressure equalizing plate II; the reaction force of the high-pressure wind enables the first air pressure equalizing plate and the second air pressure equalizing plate to float upwards, and air pressure cushions which generate pressure on the membranes are formed among the first air pressure equalizing plate, the coating curing device, the second air pressure equalizing plate and the membranes; in the space from the arc vertex below the front roller to the arc vertex below the rear roller, the length of the air pressure equalizing plate and the width of the air pressure equalizing plate, air pressure pads below the air pressure equalizing plate I, the coating curing device and the air pressure equalizing plate II press the film and the coating under the film, and surface pressure coating is carried out; curing the coating layer under the film by ultraviolet light of an ultraviolet lamp on the coating curing device; and the rear roller synchronously uncovers the film after the coating is cured.
The other processes and structures of the second technical scheme are the same as those of the first technical scheme.
The air pressure cushion type surface pressure film coating device is applied to coating objects with different thicknesses, comprises a front roller, a rear roller or a film uncovering roller, a coating curing device, a fan and the like, and is used for lifting or descending the whole film surrounding frame, and two ends of a central shaft of each roller are respectively provided with a lifting or descending fine adjustment short screw; or both ends of the central shaft of each roller are respectively provided with a long screw for lifting or descending regulation;
the film surrounding frame comprising the air pressure cushion type surface pressure film coating device is a disposable film surrounding frame; the disposable film surrounding frame is a disposable film surrounding frame, namely a new film winding and unwinding machine continuously unwinding new films, the air pressure cushion type surface pressure film coating device continuously coats films used for one time, and an old film winding and unwinding machine continuously winds and retracts old films.
The pneumatic cushion type surface pressure film coating device is arranged at the arrangement position of the disposable film surrounding frame, and the lower part of the film surrounding frame is completely provided with the pneumatic cushion type surface pressure film coating device;
the air pressure equalizing plate arranged on the air pressure cushion type surface pressure film coating device is used for preventing the air flow of the fan from directly spreading upwards, and the reaction force is used for forming a high-air pressure cushion; the air pressure pad has no friction loss with the film, and the air-facing surface pressure is not balanced when bearing the coating force of the coating film.
The pressure of the air pressure cushion below the air pressure equalizing plate to the film and the coating layer below the film is adjusted, and in order to reduce the height of the air pressure equalizing plate from the film, the same high-pressure air pressure reduces the space of the air pressure cushion, increases the pressure of the air pressure cushion below the air pressure equalizing plate to the coating layer below the film or increases the pressure of supplying high-pressure air and the weight of the air pressure equalizing plate, so that the pressure of the air pressure cushion below the air pressure equalizing plate to the coating layer below the film and the coating layer below the film is increased; conversely, the force of the surface pressure of the air pressure pad pressing the film and the coating layer under the film is reduced;
the working operation mode of the air pressure cushion type surface pressure film coating device is that the air pressure cushion type film coating device is fixed at one position for film coating operation; or the operation of the air pressure cushion type film coating device and the film coating work in the synchronous moving process are carried out;
the air pressure cushion type surface pressure film coating device has the advantages that the roll surface lengths of the front roll and the rear roll are equal, the roll surface length is larger than the width of a film width, the width of the air pressure balance plate is larger than the width of the film width, and the width of the film width is larger than the width of a coated object;
the fan used by the air pressure cushion type surface pressure film coating device is a centrifugal fan, an air pump and an axial flow fan;
the coating object carrying device comprises: the coating material is carried by combining a roller conveyor, a coating object positioning roller conveyor, a conveyor belt conveyor, a connecting plate conveyor, a coating object positioning connecting plate conveyor, a net chain conveyor, a section of conveyor belt, a section of roller conveyor, a conveyor and a lifting coating object positioning platform for coating;
a dripping paint collecting hopper and a coating material extruding hopper behind the coated object during film coating are arranged below the bearing device of the coated object according to requirements, and a cleaning dripping paint scraping plate device and a dripping paint collecting hopper are arranged below the roller-way type conveyor belt type conveyor; the coating object bearing device is a high-material-resistant conveying belt, such as a high-material-resistant silica gel conveying belt, a polytetrafluoroethylene high-temperature-resistant mesh belt conveying belt and a polytetrafluoroethylene high-temperature-resistant cloth conveying belt, and a metal material conveying belt, such as: the copper, aluminum and stainless steel belt conveyer belt has high strength and high-temperature resistance; the material hardness is high, the surface is easy to clean, and a cleaning scraper and a paint collecting hopper are arranged on the lower surrounding surface;
the coating object bearing device adopts the preferred technical scheme that the coating object bearing device is a conveyor belt conveyor with a concave-convex section, raised lines are arranged at intervals on the outer surface of the conveyor belt along the running and rotating direction of the conveyor belt, the conveyor belt with a groove section between two raised lines is applied to coating of a coating object bearing device, the upper surface of the conveyor belt is completely raised lines, the upper top surface of each raised line lifts and bears the lower surface of a coating object, coating materials dripped from two side surfaces and sprayed from the rear edge of the coating object during coating mostly fall into the groove, more liquid coating materials flow along the groove and cannot pollute the back surface of the coating object, a comb-shaped scraper and a boss straight-top scraper which are matched with the raised line groove are arranged on the lower surrounding surface of the raised line, the coating materials dripped on the conveyor belt with the concave-convex section are cleaned, and the drippe; the hard coating object, the soft coating object and the extremely thin coating object can bear, convey, coat and coat the film; the concave-convex section conveyor belt is best manufactured by non-stick materials.
The coating is an ultraviolet light curing coating; the ultraviolet curable coating material is equivalent to an ultraviolet curable material including: ultraviolet light-curing paints, UV curing resins and UV gloss oil; ultraviolet curing glue: UV glue, UV shadowless glue and VU crystal glue; the UV paint also comprises transparent UV paint and various colored and opaque UV paints;
the film is a transparent film, a semitransparent film or a thick film; the film comprises a bright film, a pitted matte film and mould films with various patterns, wherein the film is provided with water ripples, ice carving patterns, leather patterns and wire drawing patterns … with the patterns of water ripples, ice carving patterns, leather patterns and wire drawing patterns, and the pattern film is provided with flowers and character patterns …; the transparent film and the semitransparent film are applied to the film covering and coated with the ultraviolet light curing coating, and ultraviolet light penetrates through the transparent film and the semitransparent film to cure the ultraviolet light curing coating; producing films for sale, all being film rolls wound into rolls; the transparent film is applied to coating ultraviolet light curing and drying paint or coating ultraviolet light curing and drying glue; the mould film is a film and a pattern film with various grains on the film; applying a die film to enable the surface of the coating to have the same lines and patterns;
the coating curing device is an ultraviolet lamp curing device and is provided with one or more ultraviolet lamps; the ultraviolet lamp is arranged in the ultraviolet lamp box, and cooling devices such as cooling fans are arranged in the ultraviolet lamp box and in the front and the back outside the ultraviolet lamp box to cool the ultraviolet lamp and cool the environment in the front and the back of the ultraviolet lamp box; the lower light port of the ultraviolet light lamp box lamp is provided with a light door as required, the light door is opened by ultraviolet light, and the light door is not closed by ultraviolet light;
the novel film radio-cassette player adopts two structural technical schemes:
the first structure includes: a mechanical expansion shaft or an air expansion shaft, a film tension sensor roller, a tension control frequency converter and a speed regulating motor; the method comprises the following steps: inserting a new film roll hollow shaft cylinder into the expansion shaft, and expanding the inner wall of the hollow shaft cylinder tightly to form a new concentric-shaft film roll; one end of the expansion shaft is connected with a motor, and a data line of the tension control frequency converter is respectively connected with the film tension sensor and the speed regulating motor;
the second structure includes: a mechanical expansion shaft or an air expansion shaft, a film tension sensor roller, a tension controller and a brake; the method comprises the following steps: inserting a new film roll hollow shaft cylinder into the expansion shaft, and expanding the inner wall of the hollow shaft cylinder tightly to form a new concentric-shaft film roll; one end of the expansion shaft is connected with the brake, and the data line of the tension controller is respectively connected with the film tension sensor and the brake.
The new film radio and tape player with the two structural technical schemes is matched with the old film radio and tape player according to needs to be installed and applied.
The old film radio and tape player adopts two technical schemes:
the first structure includes: a mechanical expansion shaft or an air expansion shaft, a film tension sensor roller, a tension control frequency converter and a motor; the method comprises the following steps: inserting the expansion shaft into the hollow shaft barrel of the old film roll, and expanding the inner wall of the hollow shaft barrel to form the old film roll with the concentric shaft; one end of the expansion shaft is connected with the motor, and a data line of the tension control frequency converter is respectively connected with the film tension sensor and the motor;
the second structure includes: the device comprises a mechanical expansion shaft or an air expansion shaft, a film tension sensor roller, a tension controller, a clutch and a motor; the expansion shaft is inserted into the hollow shaft cylinder of the old film roll, and the inner wall of the hollow shaft cylinder is expanded to form a concentric shaft old film roll; one end of the expansion shaft is connected with the clutch and the motor, and the data line of the tension control frequency converter is respectively connected with the film tension sensor and the clutch.
The new film radio cassette player and the old film radio cassette player of the two structural technical schemes are matched with the new film radio cassette player according to requirements to be installed and applied.
The film winding frame is provided with a front tension roller and a rear tension roller; the main functions are as follows: the front tension roller is arranged at the front end of the film surrounding frame, and the rear tension roller is arranged at the rear end of the film surrounding frame; the two ends of the central shaft of the front tension roller and the central shaft of the rear tension roller are respectively provided with a spring, and the tension and the expansion degree of the film on the film surrounding frame are automatically adjusted in order to assist a new film winding machine and an old film winding machine to adjust the tension and the expansion degree of the film, mainly the tension and the tension of the working film are balanced and uniform, the film does not deviate and stably run in the moving operation of the film on the film surrounding frame, and the film can normally work in the linkage of the film tension along with the conveyor belt type surface pressure film coating device; if the width of the film web is within the range, the two edges of the film are tensioned and balanced, the film is tensioned and flattened evenly, and the front tension roller and the rear tension roller can be temporarily detached without using.
The new film take-up and pay-off machine and the old film take-up and pay-off machine are matched with each other to draw and flatten the films; the new film radio-cassette player and the old film radio-cassette player are respectively used for continuously coating the two ends of the used film; setting and matching tension values of respective tension sensors, and matching and adjusting a tension control or tension control frequency converter and a speed regulating motor; the strength value of film tensioning and stretching is adjusted, the front tension roller, the rear tension roller and each guide roller are adjusted, the new film take-up and take-up machine and the old film take-up and take-up machine are matched with each other, so that the film tensioning and stretching is tightly attached to the lower surrounding surface of the conveyor belt type surface pressure film coating device and the roller surfaces of various guide rollers, the film is wrapped by the front lower arc surface of the front roller of the film coating conveyor belt and the rear lower arc surface of the rear roller end or the rear lower arc surface of the film uncovering roller, the film is automatically matched with the lower surrounding surface of the conveyor belt surface pressure film coating device to synchronously perform film coating operation in the same direction, the film is kept to operate in an unfolding, tensioning and stretching state before coating and after film uncovering, and the film tensioning and stretching state are kept all the time, and the automatic tensioning and.
The air pressure cushion type surface pressure film coating device belongs to film coating device equipment, although the air pressure cushion type surface pressure film coating device is provided with a coating curing device and an ultraviolet light curing lamp, due to the characteristic of film coating, ultraviolet light of the ultraviolet light curing lamp is cured by a transparent film or a transparent air pressure equalizing plate of the air pressure cushion type surface pressure film coating device, and the ultraviolet light curing coating under the film is cured, so that the phenomenon that the coating cannot be completely and thoroughly cured by ultraviolet light curing exists; this is also a common phenomenon in film coating because the film coating exists on the surface of the film coating itself, and ultraviolet light is on the film, and if the ultraviolet light is irradiated more strongly or for a longer time, the film is easily and rapidly deformed due to high temperature, so that the coating is also deformed into a waste product, and the film is difficult to uncover; therefore, the surface of the coating is astringent, not dry and comfortable and has low hardness after the film is uncovered, or the individual ultraviolet light curing coating is post-cured; the ultraviolet light curing coating with various colors is coated on the coating film, so that complete curing is difficult to realize, and after the device is required to uncover the film, the ultraviolet light curing device is arranged outside the device or the device, the coating is completely cured by secondary ultraviolet light, and the surface of the coating is not astringent, dry and comfortable and has high hardness;
the air pressure cushion type surface pressure film coating device is matched with a coating roller coater or a coating curtain coater to form a continuous film coating production line; or the equipment investment is reduced, the coating is manually rolled and coated on the surface of a coated object, and the coating is independently coated by an air pressure pad type surface pressure coating device, and the coating is coated, cured and coated; because the coating roller coater or the coating curtain can uniformly coat the coating on the surface of a coated object, the coating amount is accurate, the coating amount extruded after the coating in film coating is reduced, and the coating is saved; the coating curing is carried out by an air pressure cushion type surface pressure coating device, and a continuous automatic rapid coating production line has high speed and high efficiency.
The invention has the following positive effects: the application of the air cushion to film coating is a major subversive breakthrough of the existing one-roller one-line pressure film coating method, the comprehensive performance of the air cushion is superior to that of a one-roller film coating method, and the film coating effect is obviously improved; the fluffy die film can be used regardless of any hard material film, soft material film, thin film and various patterns and patterns; the transparent or colored ultraviolet light curing coating can be normally coated and coated in the conventional environment; the air pressure equalizing plate made of the transparent material also isolates the heat attack energy of the ultraviolet lamp, so that the film and the coating cannot change due to the heat; the coating is more perfect, the effect is better, the cost of the coating is lower, the coating is reliable and stable, and the qualification rate is higher. Coating object film coating is front-to-back film coating, and a clean dripping paint scraper device and a scattered dripping paint collecting hopper are arranged below a roller conveyor or a conveyer belt conveyor of a coating object bearing device; the paint recovered by the collecting hopper can be reused, so that the paint is saved, the coating cost is reduced, and the working environment around the equipment is clean and sanitary. The design is scientific and advanced, and the automatic continuous film release, automatic continuous film coating and coating, automatic ultraviolet light curing, automatic film uncovering, automatic continuous old film collection and automatic continuous film coating and coating operations are realized; the method for applying the membrane is more scientific and advanced, and saves manpower and fully-automatic operation. The pneumatic cushion type surface pressure film coating device adopts a subversive innovative surface pressure film coating process, the pneumatic cushion and the film have no friction loss, and the coating force of the film is not known; the device is a forced leveling machine and a film pressure UV coating device and is also a multifunctional device; the utility model provides a tectorial membrane device that atmospheric pressure pad formula face pressure tectorial membrane application device can also be applied to tectorial membrane rendition, tectorial membrane gilt, tectorial membrane heat recombination, tectorial membrane work, but also can roll or heat simultaneously and pressurize the work tectorial membrane device of rolling work piece than the rotatory pressurization of compression roller formula, the effect is better, and efficiency is higher.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a second embodiment of the present invention;
in the figure: the coating device comprises an air pressure cushion type surface pressure coating device 1, a film 2, an air pressure equalizing plate 3, a front roller 4, a rear roller 5, a coating collecting hopper 6, an ultraviolet lamp 7, an air pressure cushion 8, a coating curing device 9, a film surrounding rack frame 10, a coating object bearing device 11, a rack 12, a power distribution system 13, an operation box 14, a new film collecting and releasing machine 15, an old film collecting and releasing machine 16, a new film tension sensor roller 17, an old film tension sensor roller 18, a front tension roller 19, a rear tension roller 20, a film surrounding rack 21, a fan 22, a coating object 23 and a coating cleaning scraper 24.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings.
The utility model provides a pneumatic cushion formula face pressure tectorial membrane application device which characterized in that: an air pressure equalizing plate 3 and a coating curing device 9 are arranged between the front roller 4 and the rear roller 5; the film surrounding frame 21 is provided with a film 2, the film 2 surrounds and passes through the lower surfaces of the front roller 4 and the rear roller 5, and the film 2, the front roller 4 and the rear roller 5 synchronously run; the air pressure equalizing plate is provided with a fan 22, high-pressure air presses the film 2 which bypasses the lower surfaces of the front roller 4 and the rear roller 5 through holes in the air pressure equalizing plate 3, and the space between the lower surface of the air pressure equalizing plate and the film is filled with the high-pressure air to form a pressure air pressure cushion 8; the front roller 4 is used for coating film, surface pressure coating film coating is carried out, and the rear roller 5 is used for synchronously uncovering the film; the film winding frame 21 and the conveyor belt are disposed above the coating object carrier device 11.
An air pressure cushion type surface pressure film coating process comprises the following steps: an air pressure equalizing plate 3 and a coating curing device 9 are arranged between the front roller 4 and the rear roller 5; the film surrounding frame 21 is provided with a film 2, the film 2 surrounds and passes through the lower surfaces of the front roller 4 and the rear roller 5, and the film 2, the front roller 4 and the rear roller 5 synchronously run; the air pressure equalizing plate is provided with a fan 22, high-pressure air presses the film 2 which bypasses the lower surfaces of the front roller 4 and the rear roller 5 through holes in the air pressure equalizing plate 3, and the space between the lower surface of the air pressure equalizing plate and the film is filled with the high-pressure air to form a pressure air pressure cushion 8; the front roller 4 is used for coating film, surface pressure coating film coating is carried out, and the rear roller 5 is used for synchronously uncovering the film;
based on the same inventive concept, two technical schemes are provided.
The first technical scheme is as follows:
an air pressure cushion type surface pressure film coating device comprises a front roller 4, a rear roller 5, an air pressure equalizing plate 3, a coating curing device 9, a fan 22 and a film 2; the air pressure equalizing plate 3 is a whole perforated plate, the air pressure equalizing plate 3 is arranged between the front roller 4 and the rear roller 5, the coating curing device 9 is arranged above the air pressure equalizing plate 3 between the front roller 4 and the rear roller 5, and the air pressure equalizing plate 3 passes below the coating curing device 9; the air pressure equalizing plate 3 is made of transparent material or at least the part right below the coating curing device 9 is made of transparent material; the holes on the air pressure equalizing plate 3 are matched with the fan 22, the film 2 is tightly attached to the lower arc of the front roller 4 and bypasses the lower surface of the lower arc of the rear roller 5, the film 2 passes below the air pressure equalizing plate 3, the air pressure equalizing plate 3 forms an air pressure cushion 8 space above the film 2, and the film 2 synchronously runs along with the front roller 4 and the rear roller 5 in the same direction; the front roller 4 is coated with a film, high-pressure air of a fan 22 arranged on the air pressure equalizing plate 3 enters the lower part of the air pressure equalizing plate 3 through a hole on the air pressure equalizing plate 3, the high-pressure air presses the film 2 between the front roller 4 and the rear roller 5 from top to bottom to give surface pressure to the film 2 from top to bottom, a coating and a coating object 23 are arranged below the film 2, the high-pressure air diffuses around the periphery, the front end and the rear end of the air pressure equalizing plate 3 are blocked by the front roller 4 and the rear roller 5, and the left edge and the right edge of the air pressure equalizing plate 3 are respectively provided with a downward baffle plate to block the diffusion of the; high-pressure air is filled in the space between the membrane 2 and the air pressure equalizing plate 3; the reaction force of the high-pressure wind makes the air pressure equalizing plate 3 float upwards, and an air pressure cushion 8 which generates pressure on the membrane 2 is formed between the air pressure equalizing plate 3 and the membrane 2; in the space from the arc vertex below the front roller 4 to the arc vertex below the rear roller 5, the length of the breadth of the air pressure equalizing plate 3, and the air pressure cushion 8 below the air pressure equalizing plate 3 presses the film 2 and the lower coating of the film for surface pressure coating; the ultraviolet light of an ultraviolet lamp 7 on the coating curing device 9 penetrates through the transparent air pressure equalizing plate 3 and the film to cure the coating layer below the film 2; and the rear roller 5 synchronously uncovers the film after the coating is cured.
An air pressure cushion type surface pressure film coating process is carried out by adopting the device, and comprises the following steps:
the film 2 synchronously runs along with the front roller 4 and the rear roller 5 in the same direction; the front roller 4 is coated with a film, high-pressure air of a fan 22 arranged on the air pressure equalizing plate 3 enters the lower part of the air pressure equalizing plate 3 through a hole on the air pressure equalizing plate 3, the high-pressure air presses the film 2 between the front roller 4 and the rear roller 5 from top to bottom to give surface pressure to the film 2 from top to bottom, a coating and a coating object 23 are arranged below the film 2, the high-pressure air diffuses around the periphery, the front end and the rear end of the air pressure equalizing plate 3 are blocked by the front roller 4 and the rear roller 5, and the left edge and the right edge of the air pressure equalizing plate 3 are respectively provided with a downward baffle plate to block the diffusion of the; high-pressure air is filled in the space between the membrane 2 and the air pressure equalizing plate 3; the reaction force of the high-pressure wind makes the air pressure equalizing plate 3 float upwards, and an air pressure cushion 8 which generates pressure on the membrane 2 is formed between the air pressure equalizing plate 3 and the membrane 2; in the space from the arc vertex below the front roller 4 to the arc vertex below the rear roller 5, the length of the breadth of the air pressure equalizing plate 3, and the air pressure cushion 8 below the air pressure equalizing plate 3 presses the film 2 and the lower coating of the film for surface pressure coating; the ultraviolet light of an ultraviolet lamp 7 on the coating curing device 9 penetrates through the transparent air pressure equalizing plate 3 and the film to cure the coating layer below the film 2; and the rear roller 5 synchronously uncovers the film after the coating is cured.
Second technical means
An air pressure cushion type surface pressure film coating device comprises a front roller 4, a rear roller 5, an air pressure equalizing plate 3, a coating curing device 9, a fan 22 and a film 2; the air pressure equalizing plate 3 is two perforated plates, namely an air pressure equalizing plate I and an air pressure equalizing plate II; a coating curing device 9 is arranged between the front roller 4 and the rear roller 5, a first air pressure equalizing plate is arranged between the front roller 4 and the coating curing device 9, a second air pressure equalizing plate is arranged between the rear roller 5 and the coating curing device 9, the edges of the front end and the rear end of the first air pressure equalizing plate are respectively tightly attached to the arc surface of the front roller 4 and the coating curing device 9, and the edges of the front end and the rear end of the second air pressure equalizing plate are respectively tightly attached to the arc surface of the coating curing device 9 and the arc surface of the front roller 4; holes in the first air pressure equalizing plate and the second air pressure equalizing plate are matched with a fan 22, the membrane 2 is tightly attached to the lower arc of the front roller 4 and bypasses the lower surface of the lower arc of the rear roller 5, the membrane 2 passes under the first air pressure equalizing plate, the coating curing device 9 and the second air pressure equalizing plate, the first air pressure equalizing plate, the coating curing device 9 and the second air pressure equalizing plate form an air pressure cushion 8 space above the membrane 2, and the membrane 2 synchronously runs in the same direction along with the front roller 4 and the rear roller 5; the front roller 4 is coated with a film, high-pressure air on the first air pressure equalizing plate and the second air pressure equalizing plate enters the lower parts of the first air pressure equalizing plate and the second air pressure equalizing plate through holes, the high-pressure air presses the film 2 from top to bottom, the film 2 is pressed from top to bottom, a coating and a coating object 23 are arranged below the film 2, the high-pressure air spreads around the periphery, the front end and the rear end are blocked by the front roller 4 and the rear roller 5, and the left edge and the right edge of the first air pressure equalizing plate and the second air pressure equalizing plate are respectively provided with a downward baffle plate to block the high-pressure air from spreading; high-pressure air is filled in the space between the membrane 2 and the air pressure equalizing plate I, the coating curing device 9 and the air pressure equalizing plate II; the reaction force of the high-pressure wind enables the first air pressure equalizing plate and the second air pressure equalizing plate to float upwards, and an air pressure cushion 8 which generates pressure on the membrane 2 is formed among the first air pressure equalizing plate, the coating curing device 9, the second air pressure equalizing plate and the membrane 2; in the space from the arc vertex below the front roller 4 to the arc vertex below the rear roller 5, and the width of the breadth of the air pressure equalizing plate 3, the air pressure equalizing plate I, the coating curing device 9 and the air pressure cushion 8 below the air pressure equalizing plate II press the film 2 and the lower coating of the film to perform surface pressure coating; curing the lower coating layer of the film 2 by ultraviolet light of an ultraviolet lamp 7 on a coating curing device 9; and the rear roller 5 synchronously uncovers the film after the coating is cured.
An air pressure cushion type surface pressure film coating process is carried out by adopting the device, and comprises the following steps:
the film 2 synchronously runs along with the front roller 4 and the rear roller 5 in the same direction; the front roller 4 is coated with a film, high-pressure air of a fan 22 arranged on the first air pressure equalizing plate and the second air pressure equalizing plate enters the lower parts of the first air pressure equalizing plate and the second air pressure equalizing plate through holes in the first air pressure equalizing plate and the second air pressure equalizing plate 3, the high-pressure air presses the film 2 between the front roller 4 and the rear roller 5 from top to bottom to provide surface pressure for the film 2 from top to bottom, a coating and a coated object 23 are arranged below the film 2, the high-pressure air is diffused all around, the front end and the rear end of the first air pressure equalizing plate and the front end and the rear end of the second air pressure equalizing plate are respectively blocked by the front roller 4 and the rear roller 5, and the left edge and the right edge of the first air pressure equalizing plate and the; high-pressure air is filled in the space between the membrane 2 and the air pressure equalizing plate I, the coating curing device 9 and the air pressure equalizing plate II; the reaction force of the high-pressure wind enables the first air pressure equalizing plate and the second air pressure equalizing plate to float upwards, and an air pressure cushion 8 which generates pressure on the membrane 2 is formed among the first air pressure equalizing plate, the coating curing device 9, the second air pressure equalizing plate and the membrane 2; in the space from the arc vertex below the front roller 4 to the arc vertex below the rear roller 5, and the width of the breadth of the air pressure equalizing plate 3, the air pressure equalizing plate I, the coating curing device 9 and the air pressure cushion 8 below the air pressure equalizing plate II press the film 2 and the lower coating of the film to perform surface pressure coating; curing the lower coating layer of the film 2 by ultraviolet light of an ultraviolet lamp 7 on a coating curing device 9; and the rear roller 5 synchronously uncovers the film after the coating is cured.
The first embodiment of the invention: with reference to the attached drawings
Fig. 1 is a schematic structural view of a first embodiment of an air pressure cushion type surface pressure film coating device, which includes an air pressure equalizing plate, and is formed by combining a film surrounding frame of the air pressure cushion type surface pressure film coating device with a coating object bearing device;
an air pressure pad type surface pressure film coating device structure comprises:
the device comprises a frame 12, a film surrounding frame 21 of an air pressure cushion type surface pressure film coating device 1 comprising an air pressure equalizing plate, a coating object bearing device 11, a speed regulating motor, a power distribution system 13 and an operation box 14;
the utility model provides a pneumatic cushion formula face pressure tectorial membrane application device constitutes:
the film surrounding frame 21 of the air pressure cushion type surface pressure film coating device 1 comprising an air pressure equalizing plate;
an atmospheric pressure pad formula face pressure tectorial membrane application device of atmospheric pressure equalizer plate includes: the device comprises a front roller 4, a rear roller 5, a decision air pressure equalizing plate 3, a coating curing device 9, a fan 22, a film 2 and a speed regulating motor;
the air pressure cushion type surface pressure film coating device of one air pressure equalizing plate comprises:
an air pressure equalizing plate 3 is arranged between a front roller 4 and a rear roller 5, the edges of the front end and the rear end of the air pressure equalizing plate 3 are respectively tightly attached to the arc surface of the front roller 4 and the arc surface of the rear roller 5, and baffles with certain downward heights are respectively arranged at the left edge and the right edge of the breadth width of the air pressure equalizing plate 3 or according to requirements to block the high-pressure airflow diffusion of a fan; a coating curing device 9 is arranged above the air pressure equalizing plate 3 between the front roller 4 and the rear roller 5, and a whole air pressure equalizing plate 3 passes below the coating curing device 9; the air pressure equalizing plate 3 is made of transparent material or at least the section of the air pressure equalizing plate 3 in the area right below the coating curing device 9 is made of transparent material; holes are respectively distributed on the air pressure equalizing plate 3 from the front of the coating curing device 9 to the front roller 4 and from the rear of the coating curing device 9 to the rear roller 5, and the holes are communicated with the fan 22 by pipelines, or the fan 22 is directly arranged in the holes on the air pressure equalizing plate 3, so that the fans 22 are respectively and uniformly distributed on the air pressure equalizing plate 3 in front of and behind the coating curing device 9; one end of the central shaft of the front roller 4 is connected with the power of a speed regulating motor; or the front roller 4 and the rear roller 5 are connected with the power of a speed regulating motor together; the film 2 clings to the lower arc of the front roller 4 and passes around the lower surface of the lower arc of the rear roller 5 to wrap the lower arc top of the front arc surface of the front roller 4 and the rear arc top of the lower arc top of the rear roller 5, and the film 2 passes below the air pressure equalizing plate 3; the air pressure equalizing plate 3 is arranged above the film 2, is higher than the film 2 by a certain height and is an air pressure cushion 8 space, and the film 2 synchronously runs along the same direction of the front roller 4 and the rear roller 5; the front roller 4 is coated with a film, high-pressure air of a fan 22 arranged on the air pressure equalizing plate 3 enters the lower part of the air pressure equalizing plate 3 through a hole on the air pressure equalizing plate 3, the high-pressure air presses the film 2 between the front roller 4 and the rear roller 5 from top to bottom to provide the film with air pressure surface pressure from top to bottom, a coating and a coated object 23 are arranged below the film 2, the high-pressure air is diffused all around, the edges of the front end and the rear end of the air pressure equalizing plate 3 are respectively blocked by the front roller 4 and the rear roller 5, and the left edge and the right edge of the breadth width of the air pressure equalizing plate 3 are respectively provided with a baffle plate with a certain height downwards as required to block the; high-pressure air fills the space in the area of the lower surface of the air pressure equalizing plate 3 on the film 2, the air pressure equalizing plate 3 is enabled to float upwards by the air pressure reaction force of the high-pressure air, the whole weight of the air pressure equalizing plate 3 is formed, the air pressure cushion 8 pressing the film 2 is formed by pressing the high-pressure air to the film 2, the length from the arc vertex below the front roller 4 to the arc vertex below the rear roller 5 is within the width area of the breadth of the air pressure equalizing plate 3, and the air pressure cushion 8 below the air pressure equalizing plate 3 presses the film 2 and the coating surface under the film for pressure coating; the ultraviolet light of an ultraviolet lamp 7 on the coating curing device 9 penetrates through the transparent air pressure equalizing plate 3 and the film to cure the coating layer below the film 2; the rear roller 5 is used for synchronously uncovering the film after the coating is cured;
the film surrounding frame 21 of the air pressure cushion type surface pressure film coating device 1 comprising one air pressure equalizing plate is internally provided with the air pressure cushion type surface pressure film coating device of the one air pressure equalizing plate; collectively referred to as an air cushion type surface pressure film coating device in the following description or simplification; a film surrounding frame 21 of an air pressure cushion type surface pressure film coating device 1 comprising an air pressure equalizing plate,
The membrane surrounds the frame and includes: the film winding and unwinding device comprises a film 2, an air pressure cushion type surface pressure film coating device 1, a film winding frame 10, a new film winding and unwinding machine 15, a new film tension sensor roller 17, an old film winding and unwinding machine 16, an old film tension sensor roller 18, a front tension roller 19 and a rear tension roller 20;
the film surrounding frame 10 is arranged above the coating object bearing device; the film surrounding frame 10 is a rectangular three-dimensional frame which is arranged above a coating object bearing device 11 of the complete air pressure cushion type surface pressure film coating device;
the membrane surrounding frame comprises: the lower part of the film surrounding frame 21 is provided with the air pressure cushion type film coating device 1; the end of a front roller 4 of the air pressure cushion type surface pressure film coating device is coated with a film, the end of a film surrounding frame 21 is also the front end, the end of a rear roller 5 of the air pressure cushion type film coating device is uncovered, and the end of the film surrounding frame 21 is also the rear end;
a new film tension sensor roller 17 and a new film take-up and pay-off machine 15 are sequentially arranged at the upper part of the front end of a film surrounding frame 10 from bottom to top above the end of a front roller 4 of the air pressure cushion type surface pressure film coating device 1, and a front tension roller 19 is arranged between the upper part of the front roller 4 of the air pressure cushion type surface pressure film coating device and the new film tension sensor roller 17; an old film tension sensor roller 18 and an old film retraction and release machine 16 are sequentially arranged above a rear roller 5 of the air pressure cushion type surface pressure film coating device and at the upper part of the rear end of a film surrounding frame 10 from bottom to top, and a rear tension roller 20 is arranged between the rear roller 5 of the air pressure cushion type surface pressure film coating device and the old film tension sensor roller 18;
the arrangement of the membrane on the membrane surround frame: the film 2 is discharged for the new film discharging machine 15, the film 2 bypasses the surface of a new film tension sensor roller 17, bypasses the surface of a front tension roller 19, bypasses the lower surrounding surface of the air pressure cushion type film coating device 1, bypasses the surface of a rear tension roller 20, bypasses the surface of an old film tension sensor roller 18, and the film 2 is wound up by the old film discharging machine 16;
function of the membrane surround frame: setting the tension values of the matched new film tension transmitter 17 and old film tension sensor 18 to the film 2 respectively, and adjusting a front tension roller 19 and a rear tension roller 20; opening a new film take-up and pay-off machine 15 and an old film take-up and pay-off machine 16, wherein the new film take-up and pay-off machine 15 and the old film take-up and pay-off machine 16 are matched with each other to draw and flatten the films tightly, so that the films 2 cling to the lower surrounding outer surface of the air pressure cushion type film coating device 1 and the surfaces of various guide rollers, and the films 2 wrap the front lower arc surface of the front roller of the air outlet pressure cushion type film coating device 1 and the rear lower arc surface of the rear roller 5; the section of the film 2 which is released by the new film releasing and collecting machine 15 and is wound and collected by the old film releasing and collecting machine 16 is arranged on each roll surface of the film surrounding frame 10 for bearing; the film 2 for supplying the air pressure cushion type film coating device 1 is used for preparing the film coating base; the film 2 is always kept in an unfolded, tensioned and flat state before coating, during coating of the film and after film uncovering; the new film take-up and pay-off machine 15 is matched with the old film take-up and pay-off machine 16 and the respective speed-regulating motor or tension control brake of the air pressure cushion type film coating device 1; the pneumatic cushion type film coating device 1 is mainly used, and the synchronous linkage in the same direction is realized and is followed by the pneumatic cushion type film coating device 1 to continuously release new films, continuously coat films and coat and continuously recover old films.
The film surrounding frame 21 containing the air pressure cushion type surface pressure film coating device and the coating object bearing device 11 are combined to form a complete air pressure cushion type surface pressure film coating device: the upper part of the frame 12 is provided with a coating object bearing device 11; a film surrounding frame 21 is arranged above the coating object carrying device 11, a power distribution system 13 and an operation box 14 are arranged at the lower part of the machine frame 12, or the operation box is arranged at the upper front end of the film surrounding frame 21;
the coating object bearing device 11 is a section of conveying belt and a section of roller way mixing and matching conveyor, and a speed regulating motor is matched on the coating object bearing device 11; the lower parts of the roller way and the conveyer belt are respectively provided with a scattered and dropped coating cleaning scraper 24, and a scattered and dropped coating collecting hopper 6 and a coating object rear extrusion coating collecting hopper are arranged below the conveyer;
the speed regulating motor matched on the coating object bearing device 11 and the speed regulating motor of the air pressure cushion type surface pressure film coating device 1 are matched and synchronously run at the same speed, or the coating object bearing device 11 and the air pressure cushion type surface pressure film coating device 1 are matched and jointly use the speed regulating motor, the speed regulating motor on the new film collecting and releasing machine 15 and the speed regulating motor on the old film collecting and releasing machine 16 to be matched and synchronously run in a linkage manner;
the new film take-up and pay-off machine 15, the old film take-up and pay-off machine 16 are matched with the respective speed regulating motors of the air pressure cushion type surface pressure film coating device 1 and the coating object bearing device 11, so that the air pressure cushion type surface pressure film coating device 1, the film 2 and the coating object bearing device 11 bear the coating object 42 to synchronously run in a linkage manner in the same direction; the new film winding and unwinding machine 15 rapidly and continuously unwinds new films, a coating object 23 is borne on the coating object bearing device 11, and the lower surface of the air pressure cushion type surface pressure film coating device 1 wound with the films 2 is coated with films rapidly and continuously; the old film receiving and releasing machine 16 can receive the old film quickly and continuously to realize continuous automatic film covering and coating operation, so as to form a complete air pressure cushion type surface pressure film covering and coating device, or an air pressure cushion type surface pressure film covering and coating device which is called a disposable film-one air pressure equalizing plate.
The second embodiment of the invention: with reference to the attached drawings
Fig. 2 shows a schematic structural view of a second embodiment of an air pressure cushion type surface pressure coating device, which includes two air pressure equalizing plates, and is formed by combining a film surrounding frame of the air pressure cushion type surface pressure coating device with a coating object bearing device.
An air pressure pad type surface pressure film coating device structure comprises:
the device comprises a frame 12, a film surrounding frame 21 of an air pressure cushion type surface pressure film coating device 1 comprising two air pressure equalizing plates, a coating object bearing device 11, a speed regulating motor, a power distribution system 13 and an operation box 14;
the pneumatic cushion type surface pressure film coating device comprises two pneumatic cushion type surface pressure film coating devices of two pneumatic cushion type surface pressure film coating devices in a film surrounding frame of the pneumatic cushion type surface pressure film coating device
The air pressure pad type surface pressure film coating device of the two air pressure equalizing plates comprises: the device comprises a front roller 4, a rear roller 5, two air pressure equalizing plates 3, a coating curing device 9, a fan 22, a film 2 and a speed regulating motor;
the air pressure cushion type surface pressure film coating device of the two air pressure equalizing plates comprises: a coating curing device 9 is arranged between the front roller 4 and the rear roller 5; an air pressure equalizing plate 3 is arranged between the front part of the coating curing device 9 and the front roller 4, the edges of the front end and the rear end of the air pressure equalizing plate 3 are respectively clung to the rear arc surface of the front roller 4 and the front shell of the coating curing device 9, and the left edge and the right edge of the breadth width of the air pressure equalizing plate 3 are respectively provided with a baffle plate with a certain height downwards according to requirements to block the high-pressure airflow diffusion of a fan; holes are distributed on the air pressure equalizing plate 3 and communicated with the fan 22 through a pipeline, or the fan 22 is directly arranged in the holes on the air pressure equalizing plate 3; an air pressure equalizing plate 3 is arranged between the back of the coating curing device 9 and the back roller 5, the edges of the front end and the back end of the air pressure equalizing plate 3 are respectively clung to the back shell of the coating curing device 9 and the front arc surface of the back roller 5, and baffles with certain downward heights are respectively arranged on the left edge and the right edge of the breadth width of the air pressure equalizing plate 3 or according to requirements to block the high-pressure airflow diffusion of a fan; holes are distributed on the air pressure equalizing plate 3 and communicated with the fan 22 through a pipeline, or the fan 22 is directly arranged in the holes on the air pressure equalizing plate 3; the air pressure equalizing plates 3 in front of and behind the coating curing device 9 are respectively provided with a fan 22; one end of the central shaft of the front roller 4 is connected with the power of a speed regulating motor; or the front roller 4 and the rear roller 5 are connected with the power of a speed regulating motor together; the film 2 clings to the lower arc of the front roller 4 and passes around the lower surface of the lower arc of the rear roller 5 to wrap the lower arc top of the front arc surface of the front roller 4 and the rear arc top of the lower arc top of the rear roller 5, and the film 2 passes below the air pressure equalizing plate 3; the air pressure equalizing plate 3 is arranged above the film 2, is higher than the film 2 by a certain height and is an air pressure cushion 8 space, and the film 2 synchronously runs along the same direction of the front roller 4 and the rear roller 5; the front roller 4 is coated with a film, high-pressure air of a fan 22 arranged on the air pressure equalizing plate 3 enters the lower part of the air pressure equalizing plate 3 through a hole on the air pressure equalizing plate 3, the high-pressure air is pressed to the film 2 between the front roller 4 and the rear roller 5 from top to bottom, a coating and a coating object 23 are arranged below the film 2, the film is subjected to air pressure surface pressure from top to bottom, the high-pressure air is diffused all around, the edges of the front end and the rear end of the two air pressure equalizing plates 3 are respectively blocked by the front roller 4 and the rear roller 5, and the left edge and the right edge of the width of the air pressure equalizing plate 3 or baffles with certain height downwards are respectively arranged according to requirements to block the high-pressure; high-pressure air fills the space in the area of the lower surface of the film and the air pressure equalizing plate 3, the air pressure equalizing plate 3 is enabled to float upwards by the reaction force of the air pressure of the high-pressure air, an air pressure cushion 8 which is provided with the integral weight of the air pressure equalizing plate 3 and is used for forming the film by the pressure of the high-pressure air towards the film is formed, the length from the arc vertex below the front roller 4 to the arc vertex below the rear roller 5 is within the width area of the breadth of the air pressure equalizing plate 3, and the air pressure cushion 8 below the air pressure equalizing plate 3 is pressed to the film 2 and the coating surface under the film 2 for pressure coating; the ultraviolet light of the ultraviolet lamp 7 on the coating curing device 9 only penetrates through the film to irradiate, so that the coating layer under the film is cured; the rear roller 5 is used for synchronously uncovering the film after the coating is cured; the air pressure cushion type surface pressure film coating device comprises two air pressure equalizing plates;
the air pressure cushion type surface pressure film coating devices of the two air pressure equalizing plates are collectively called as air pressure cushion type surface pressure film coating devices in the following description or simplification; a film surrounding frame in a film surrounding frame of an air pressure cushion type surface pressure film coating device comprising two air pressure equalizing plates,
the membrane surrounds the frame and includes: the film coating device comprises a film 2, an air pressure cushion type surface pressure film coating device 1 of two air pressure equalizing plates, a film surrounding frame 10, a new film winding and unwinding machine 15, a new film tension sensor roller 17, an old film winding and unwinding machine 16, an old film tension sensor roller 18, a front tension roller 19 and a rear tension roller 20;
the film surrounding frame 10 is arranged above the coating object bearing device; the film surrounding frame 10 is a rectangular three-dimensional frame which is arranged above a coating object bearing device 11 of the complete air pressure cushion type surface pressure film coating device;
the membrane surrounding frame comprises: the pneumatic cushion type film coating device 1 is characterized in that the lower part of a film surrounding frame 21 is provided with two pneumatic balance plates; the end of a front roller 4 of the air pressure cushion type surface pressure film coating device is coated with a film, the end of a film surrounding frame 21 is also the front end, the end of a rear roller 5 of the air pressure cushion type film coating device is uncovered, and the end of the film surrounding frame 21 is also the rear end;
a new film tension sensor roller 17 and a new film retraction and extension machine 15 are sequentially arranged at the upper part of the front end 4 of the air pressure cushion type surface pressure film coating device 1 of the two air pressure equalizing plates and the upper part of the front end of the film surrounding frame 10 from bottom to top, and a front tension roller 19 is arranged between the upper part of the front roller 4 of the air pressure cushion type surface pressure film coating device and the new film tension sensor roller 17; an old film tension sensor roller 18 and an old film retraction and release machine 16 are sequentially arranged above a rear roller 5 of the air pressure cushion type surface pressure film coating device and at the upper part of the rear end of a film surrounding frame 10 from bottom to top, and a rear tension roller 20 is arranged between the rear roller 5 of the air pressure cushion type surface pressure film coating device and the old film tension sensor roller 18;
the arrangement of the membrane on the membrane surround frame: the film 2 is discharged for the new film discharging machine 15, the film 2 bypasses the surface of a new film tension sensor roller 17, bypasses the surface of a front tension roller 19, bypasses the lower surrounding surface of the air pressure cushion type film coating device 1, bypasses the surface of a rear tension roller 20, bypasses the surface of an old film tension sensor roller 18, and the film 2 is wound up by the old film discharging machine 16;
function of the membrane surround frame: setting the tension values of the matched new film tension transmitter 17 and old film tension sensor 18 to the film 2 respectively, and adjusting a front tension roller 19 and a rear tension roller 20; opening a new film take-up and pay-off machine 15 and an old film take-up and pay-off machine 16, wherein the new film take-up and pay-off machine 15 and the old film take-up and pay-off machine 16 are matched with each other to draw and flatten the films tightly, so that the films 2 cling to the lower surrounding outer surface of the air pressure cushion type film coating device 1 and the surfaces of various guide rollers, and the films 2 wrap the front lower arc surface of the front roller of the air outlet pressure cushion type film coating device 1 and the rear lower arc surface of the rear roller 5; the section of the film 2 which is released by the new film releasing and collecting machine 15 and is wound and collected by the old film releasing and collecting machine 16 is arranged on each roll surface of the film surrounding frame 10 for bearing; the film 2 for supplying the air pressure cushion type film coating device 1 is used for preparing the film coating base; the film 2 is always kept in an unfolded, tensioned and flat state before coating, during coating of the film and after film uncovering; the new film take-up and pay-off machine 15 is matched with the old film take-up and pay-off machine 16 and the respective speed-regulating motor or tension control brake of the air pressure cushion type film coating device 1; the pneumatic cushion type film coating device 1 is mainly used, and the synchronous linkage in the same direction is realized and is followed by the pneumatic cushion type film coating device 1 to continuously release new films, continuously coat films and coat and continuously recover old films.
The film surrounding frame 21 containing the air pressure cushion type surface pressure film coating device and the coating object bearing device 11 are combined to form a complete air pressure cushion type surface pressure film coating device: the upper part of the frame 12 is provided with a coating object bearing device 11; a film surrounding frame 21 is arranged above the coating object carrying device 11, a power distribution system 13 and an operation box 14 are arranged at the lower part of the machine frame 12, or the operation box is arranged at the upper front end of the film surrounding frame 21;
the coating object bearing device 11 is a section of conveying belt and a section of roller way mixing and matching conveyor, and a speed regulating motor is matched on the coating object bearing device 11; the lower parts of the roller way and the conveyer belt are respectively provided with a scattered and dropped coating cleaning scraper 24, and a scattered and dropped coating collecting hopper 6 and a coating object rear extrusion coating collecting hopper are arranged below the conveyer;
the speed regulating motor matched on the coating object bearing device 11 and the speed regulating motor of the air pressure cushion type surface pressure film coating device 1 are matched and synchronously run at the same speed, or the coating object bearing device 11 and the air pressure cushion type surface pressure film coating device 1 jointly use the speed regulating motor, the speed regulating motor on the new film receiving and releasing machine 15 and the speed regulating motor on the old film receiving and releasing machine 16 to jointly match and synchronously run in a linkage manner;
the new film take-up and pay-off machine 15, the old film take-up and pay-off machine 16 are matched with the respective speed regulating motors of the air pressure cushion type surface pressure film coating device 1 and the coating object bearing device 11, so that the air pressure cushion type surface pressure film coating device 1, the film 2 and the coating object bearing device 11 bear the coating object 42 to synchronously run in a linkage manner in the same direction; the new film winding and unwinding machine 15 rapidly and continuously unwinds new films, a coating object 23 is borne on the coating object bearing device 11, and the lower surface of the air pressure cushion type surface pressure film coating device 1 wound with the films 2 is coated with films rapidly and continuously; the old film receiving and releasing machine 16 can receive the old film quickly and continuously, so as to realize continuous automatic film covering and coating operation, and form a complete air pressure cushion type surface pressure film covering and coating device, or an air pressure cushion type surface pressure film covering and coating device called as a disposable two-air pressure equalizing plate for film.

Claims (7)

1. The utility model provides a pneumatic cushion formula face pressure tectorial membrane application device which characterized in that: an air pressure equalizing plate (3) and a coating curing device (9) are arranged between the front roller (4) and the rear roller (5); the film surrounding frame (21) is provided with a film (2), the film (2) surrounds and passes through the lower surfaces of the front roller (4) and the rear roller (5), and the film (2) and the front roller (4) and the rear roller (5) synchronously run; the air pressure equalizing plate (3) is provided with a fan (22), high-pressure air is pressed towards the lower surfaces of the front roller (4) and the rear roller (5) through holes in the air pressure equalizing plate (3) to bypass the membrane (2), and the high-pressure air is filled in a space between the lower surface of the air pressure equalizing plate (3) and the membrane (2) to form a pressure air pressure cushion; the front roller (4) is coated with a film, surface pressure film coating is carried out, and the rear roller (5) is synchronously stripped; the film surrounding frame (21) is arranged above the coating object bearing device (11) in a matching way;
the device comprises a front roller (4), a rear roller (5), an air pressure equalizing plate (3), a coating curing device (9), a fan (22) and a film (2); the air pressure equalizing plate (3) is a whole perforated plate, the air pressure equalizing plate (3) is arranged between the front roller (4) and the rear roller (5), the coating curing device (9) is arranged above the air pressure equalizing plate (3) between the front roller (4) and the rear roller (5), and the air pressure equalizing plate (3) passes below the coating curing device (9); the air pressure equalizing plate (3) is made of transparent material or at least the part right below the coating curing device (9) is made of transparent material; holes in the air pressure equalizing plate (3) are matched with a fan (22), the membrane (2) is tightly attached to the lower arc of the front roller (4) and bypasses the lower surface of the lower arc of the rear roller (5), the membrane (2) passes below the air pressure equalizing plate (3), an air pressure cushion (8) space is formed above the membrane (2) by the air pressure equalizing plate (3), and the membrane (2) synchronously runs along with the front roller (4) and the rear roller (5) in the same direction; high-pressure air of a fan (22) arranged on the air pressure equalizing plate (3) passes through a hole on the air pressure equalizing plate (3) and enters the lower part of the air pressure equalizing plate (3), the high-pressure air is pressed to a film (2) between a front roller (4) and a rear roller (5) from top to bottom, the film is subjected to surface pressure from top to bottom, a coating and a coating object (23) are arranged below the film (2), the high-pressure air is diffused all around, the front end and the rear end of the air pressure equalizing plate (3) are blocked by the front roller (4) and the rear roller (5), and the left edge and the right edge of the air pressure equalizing plate (3) are respectively provided with a downward baffle plate to block the high-; high-pressure air is filled in the space between the membrane (2) and the air pressure equalizing plate (3); the reaction force of the high-pressure wind makes the air pressure equalizing plate (3) float upwards, and an air pressure cushion (8) generating pressure to the membrane (2) is formed between the air pressure equalizing plate (3) and the membrane (2); in the space from the arc vertex below the front roller (4) to the arc vertex below the rear roller (5) by the length and the breadth of the air pressure equalizing plate (3), an air pressure pad (8) below the air pressure equalizing plate (3) presses the film (2) and the lower coating of the film for surface pressure coating; the ultraviolet light of an ultraviolet lamp (7) on the coating curing device (9) penetrates through the transparent air pressure equalizing plate (3) and the film to cure the coating layer below the film (2); and the rear roller (5) synchronously uncovers the film after the coating is cured.
2. The air pressure cushion type surface pressure film coating device according to claim 1, characterized in that: the new film winding and unwinding machine (15) unwinds the film (2), the film (2) bypasses the surface of the new film tension sensor roller (17), bypasses the surface of the front tension roller (19), bypasses the lower encircling surface of the air pressure cushion type surface pressure film coating device (1), bypasses the rear tension roller (20) and bypasses the old film tension sensor roller (18), and the old film winding and unwinding machine (16) winds up the film (2).
3. The air pressure cushion type surface pressure film coating device according to claim 2, characterized in that: the coating object bearing device (11) is a section of conveying belt and a section of roller way mixing and matching conveyor, and a speed regulating motor is matched on the coating object bearing device (11); the lower parts of the roller way and the conveyer belt are respectively provided with a scattered and dropped coating cleaning scraper (24), and the lower part of the conveyer is provided with a scattered and dropped coating collecting hopper (6) and a coating object rear extrusion coating collecting hopper.
4. The air pressure cushion type surface pressure film coating device according to claim 2, characterized in that: the coating object bearing device (11), the front roller (4), the rear roller (5), the new film receiving and releasing machine (15) and the old film receiving and releasing machine (16) run synchronously at the same speed, and the same speed regulating motor is used for matching each other or the speed regulating motors are matched independently respectively to ensure that the coating object bearing device runs synchronously at the same speed.
5. An air cushion type surface pressure film coating process, which is carried out by adopting the device of any one of claims 1 to 4.
6. The utility model provides a pneumatic cushion formula face pressure tectorial membrane application device which characterized in that: an air pressure equalizing plate (3) and a coating curing device (9) are arranged between the front roller (4) and the rear roller (5); the film surrounding frame (21) is provided with a film (2), the film (2) surrounds and passes through the lower surfaces of the front roller (4) and the rear roller (5), and the film (2) and the front roller (4) and the rear roller (5) synchronously run; the air pressure equalizing plate (3) is provided with a fan (22), high-pressure air is pressed towards the lower surfaces of the front roller (4) and the rear roller (5) through holes in the air pressure equalizing plate (3) to bypass the membrane (2), and the high-pressure air is filled in a space between the lower surface of the air pressure equalizing plate (3) and the membrane (2) to form a pressure air pressure cushion; the front roller (4) is coated with a film, surface pressure film coating is carried out, and the rear roller (5) is synchronously stripped; the film surrounding frame (21) is arranged above the coating object bearing device (11) in a matching way;
the device comprises a front roller (4), a rear roller (5), an air pressure equalizing plate (3), a coating curing device (9), a fan (22) and a film (2); the air pressure equalizing plate (3) is two perforated plates, namely an air pressure equalizing plate I and an air pressure equalizing plate II; a coating curing device (9) is arranged between the front roller (4) and the rear roller (5), a first air pressure equalizing plate is arranged between the front roller (4) and the coating curing device (9), a second air pressure equalizing plate is arranged between the rear roller (5) and the coating curing device (9), the edges of the front end and the rear end of the first air pressure equalizing plate are respectively clung to the arc surface of the front roller (4) and the coating curing device (9), and the edges of the front end and the rear end of the second air pressure equalizing plate are respectively clung to the arc surface of the coating curing device (9) and the arc surface of the front roller (4); holes in the first air pressure equalizing plate and the second air pressure equalizing plate are matched with a fan (22), the membrane (2) is tightly attached to the lower arc of the front roller (4) and bypasses the lower surface of the lower arc of the rear roller (5), the membrane (2) passes through the first air pressure equalizing plate, the coating curing device (9) and the second air pressure equalizing plate, the first air pressure equalizing plate, the coating curing device (9) and the second air pressure equalizing plate form an air pressure cushion (8) space above the membrane (2), and the membrane (2) synchronously operates along with the front roller (4) and the rear roller (5) in the same direction; high-pressure air on the first air pressure equalizing plate and the second air pressure equalizing plate enters the lower parts of the first air pressure equalizing plate and the second air pressure equalizing plate through holes, the high-pressure air presses the membrane (2) from top to bottom to provide surface pressure for the membrane from top to bottom, a coating and a coating object (23) are arranged below the membrane (2), the high-pressure air is diffused all around, the front end and the rear end of the high-pressure air are blocked by a front roller (4) and a rear roller (5), and downward baffles are respectively arranged at the left edge and the right edge of the first air pressure equalizing plate and the second air pressure equalizing plate to block the diffusion of the high-pressure; high-pressure air is filled in the space between the membrane (2) and the air pressure equalizing plate I, the coating curing device (9) and the air pressure equalizing plate II; the reaction force of the high-pressure wind enables the first air pressure equalizing plate and the second air pressure equalizing plate to float upwards, and an air pressure cushion (8) for generating pressure on the membrane (2) is formed among the first air pressure equalizing plate, the coating curing device (9), the second air pressure equalizing plate and the membrane (2); in the space from the arc vertex below the front roller (4) to the arc vertex below the rear roller (5) and the width of the breadth of the air pressure equalizing plate (3), the air pressure equalizing plate I, the coating curing device (9) and the air pressure pad (8) below the air pressure equalizing plate II press the film (2) and the lower coating of the film to perform surface pressure coating; curing the coating layer under the film (2) by the ultraviolet light of an ultraviolet lamp (7) on the coating curing device (9); and the rear roller (5) synchronously uncovers the film after the coating is cured.
7. An air cushion type surface pressure film coating process, which is carried out by the device defined in claim 6.
CN201810139369.9A 2018-02-11 2018-02-11 Air pressure cushion type surface pressure film coating process and device Active CN108097519B (en)

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