WO2016202249A1 - 片或膜材料生产线、表面加硬设备及其表面加硬装置 - Google Patents

片或膜材料生产线、表面加硬设备及其表面加硬装置 Download PDF

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Publication number
WO2016202249A1
WO2016202249A1 PCT/CN2016/085792 CN2016085792W WO2016202249A1 WO 2016202249 A1 WO2016202249 A1 WO 2016202249A1 CN 2016085792 W CN2016085792 W CN 2016085792W WO 2016202249 A1 WO2016202249 A1 WO 2016202249A1
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WIPO (PCT)
Prior art keywords
roller
sheet
transparent
film material
roll
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PCT/CN2016/085792
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English (en)
French (fr)
Inventor
侯兴福
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侯兴福
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Publication of WO2016202249A1 publication Critical patent/WO2016202249A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B29C59/04—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/16—Surface shaping of articles, e.g. embossing; Apparatus therefor by wave energy or particle radiation, e.g. infrared heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets

Definitions

  • the invention relates to the technical field of metal sheets, films or plastic sheets and film processing, and in particular to a surface hardening device for sheets or film materials.
  • the invention further relates to a surface hardening apparatus comprising the surface stiffening device and a sheet or film material production line.
  • UV is an ultraviolet abbreviation of ultraviolet light, also known as ultraviolet hardening liquid, which can be cured by ultraviolet light to prevent ultraviolet rays from passing through.
  • the method of rolling, coating, etc. adheres to the surface of the sheet and the film material, and is naturally leveled, first volatilizing the solvent and then drying. After drying, the surface of the film and the film material is orange peel (this phenomenon is called shrinkage, water absorption). Or watermark).
  • the surface of the film and the film material obtained by the method is not flat. If the UV hardening liquid contains an additive such as pearl powder, it cannot be naturally leveled; in addition, the cost of the UV hardening liquid added with the volatile solvent is high, and the volatile solution is evaporated. It has an adverse effect on the environment.
  • the drying operation requires drying equipment, which increases the cost and consumes electric energy, and the drying equipment takes up a large space.
  • the existing solution is to complete the surface hardening treatment of the plastic extruded sheet or film material by a hardening mechanism including a die, a auxiliary roller, a main roller and a UV lamp.
  • a hardening mechanism including a die, a auxiliary roller, a main roller and a UV lamp.
  • the auxiliary roller and the main roller are horizontally arranged in a line, and there is a certain gap between the auxiliary roller and the main roller for the plastic extrusion sheet or film to pass; the die is filled with UV hardening liquid, and the die is disposed on the auxiliary roller.
  • the UV lamp for applying a UV hardening liquid to a plastic extrusion sheet or film passing through the upper surface of the auxiliary roll; the UV lamp is capable of emitting ultraviolet light, which is disposed outside the main roll for being opposed to the main roll Plastic extruded sheet or film irradiation.
  • the sheet or film passing through the auxiliary roll is coated with a UV hardening liquid, and the plastic extruded sheet or film coated with the UV hardening liquid is passed through the gap between the auxiliary roll and the main roll, and the auxiliary roll and the main roll are paired with plastic.
  • the extruded sheet or film is extruded, and the main roll is in contact with the side coated with the UV hardening liquid.
  • the UV hardening liquid When the plastic extruded sheet or film passes through the irradiated area of the UV lamp, the UV hardening liquid is instantaneously solidified in the plastic extruded sheet or On the film, the plastic extruded sheet or film is pressed and flattened by the main roll, so that the surface of the hardened plastic extruded sheet or film does not exhibit orange peeling due to natural leveling. Moreover, it is not necessary to add a volatile solvent to the UV hardening liquid, which reduces the cost, has no pollution to the environment, and does not require drying equipment, and does not occupy a large space.
  • the above method can only be used for the hardening treatment of the extruded plastic sheet or film as a transparent material, and for the opaque sheet or film, and the UV transparent sheet or film (this is an ultraviolet transparent material), the ultraviolet light of the UV lamp It is impossible to pass through the sheet or film material, and it is impossible to irradiate the UV hardening liquid on the surface of the sheet or the film to cure it, and the surface hardening is not achieved.
  • the object of the present invention is to provide a surface hardening device for a sheet or a film material, which can solve the problem that the existing hardening mechanism cannot be opaque under the premise of low cost, high environmental protection and reduced space occupation.
  • the problem of surface hardening with UV-containing transparent materials is to provide a surface hardening device for a sheet or a film material, which can solve the problem that the existing hardening mechanism cannot be opaque under the premise of low cost, high environmental protection and reduced space occupation.
  • Another object of the present invention is to provide a surface hardening apparatus and a sheet or film material production line comprising a sheet or film material of the surface hardening device.
  • the present invention provides the following technical solutions:
  • a surface hardening device for a sheet or film material comprising a first die for holding a UV hardening liquid, further comprising:
  • the first die for applying a UV hardening liquid to a surface of the sheet or film material passing the roll surface of the soft roll facing away from the soft roll;
  • a transparent roller disposed in close proximity to the soft roller, the gap between the soft roller and the transparent roller having a sheet or film material passing through and being pressed, the roller surface of the transparent roller being transparent through ultraviolet rays Material material;
  • a first UV lamp is disposed inside the transparent roller, and an irradiation direction of the first UV lamp is directed to a surface of a sheet or film material coated on a surface of the roller of the transparent roller.
  • the above surface hardening device further comprising a gap adjusting mechanism connecting the soft roller and the transparent roller for adjusting a gap between the two roller faces of the soft roller and the transparent roller .
  • the above surface hardening device further comprising a first temperature control member disposed inside the transparent roller and a second temperature control member disposed inside the soft roller for respectively controlling the transparency The temperature of the roll and the roll surface of the soft roll.
  • the first temperature control component comprises:
  • the fluid conduit disposed inside the transparent roller, the fluid conduit is configured to pass a liquid for adjusting the temperature of the transparent roller;
  • the heat conductor is coated on the outside of the fluid conduit and is in thermal contact with the inner roller surface of the transparent roller.
  • the angle between the plane composed of the rotation axis of the soft roller and the rotation axis of the transparent roller and the horizontal plane is 0 to 90.
  • the transparent roller is a double-layer or multi-layer plastic structure.
  • the method further includes:
  • a release film transport mechanism for transporting a release film along a transport path of the sheet or film material on the soft roll and the transparent roll, and contacting the release film with the sheet or film material One side surface of the soft roller is in close contact;
  • a second die for containing a UV hardening liquid, and the second die is coated with a UV hardening liquid to a side of the release film passing the soft roll facing away from the soft roll;
  • a second UV lamp is disposed outside the transparent roller, and an irradiation direction of the second UV lamp is directed to a surface of the release film coated on a surface of the roller of the transparent roller.
  • the present invention also provides a surface hardening apparatus for sheet or film material, comprising a unwinding device for placing a roll of sheet or film material, a pulling device for pulling the sheet or film material for transport, and for
  • the protective film composite device of the two surfaces of the sheet or film material which is coated with a protective film further comprises:
  • a surface hardening device according to any one of the preceding claims, wherein the surface hardening device is disposed between the unwinding device and the traction device, the protective film composite device being disposed on the surface hardening device and the traction Between devices;
  • a secondary UV lamp curing apparatus comprising a third UV lamp and a cooling roller and two guide rollers arranged next to each other, the cooling roller being located between two guide rollers, the third UV lamp being located outside the cooling roller
  • the direction of irradiation is directed to the surface of the sheet or film material coated on the roll surface of the chill roll; the secondary UV lamp curing device is located between the protective film composite device and the traction device.
  • the method further includes:
  • a stocking device disposed between the unwinding device and the surface hardening device, comprising a fixed row and a movable row roller that are oppositely disposed and relatively movable, the fixed row roller and the moving roller roller are both disposed There are a plurality of rolls, and the sheets or film materials are alternately wound on the rolls of the fixed row and the moving rolls.
  • the embodiment of the present invention further provides a sheet or film material production line, which comprises a plastic sheet or a film material forming device in sequence along the conveying direction of the production line, a surface hardening device, a protective film composite device according to any one of the above, and a second UV lamp curing device, traction device, winding device and slicer.
  • a sheet or film material production line which comprises a plastic sheet or a film material forming device in sequence along the conveying direction of the production line, a surface hardening device, a protective film composite device according to any one of the above, and a second UV lamp curing device, traction device, winding device and slicer.
  • the soft roller and the transparent roller are arranged in close proximity, and the first die applies the UV hardening liquid to the back of the sheet or film material passing through the roll surface of the soft roller.
  • the transparent roll On one side surface of the soft roll, after the sheet or film material passes through the gap between the soft roll and the transparent roll, one side surface of the sheet or film material coated with the UV hardening liquid is coated on the transparent roll, the transparent roll
  • the roll surface is a transparent material that can pass ultraviolet rays
  • the first UV lamp is disposed inside the transparent roll, and the irradiation direction of the first UV lamp is directed to the surface of the sheet or film material coated on the roll surface of the transparent roll.
  • the surface hardening device presses and shapes the sheet or film material coated with the UV hardening liquid through the gap between the soft roller and the transparent roller during the hardening treatment, so that the UV hardening liquid is evenly distributed on the surface. Then, the light of the first UV lamp is irradiated on the surface of the surface coated with the UV hardening liquid through the roller surface of the transparent roller, so that the UV hardening liquid is solidified on the surface to obtain a flat sheet or film material of a certain thickness, and the addition is completed. Hard processing.
  • the surface hardening device of the present invention adopts a UV lamp disposed in the transparent roller, and directly applies UV filling hard liquid from the inside of the transparent roller. One side of the surface is illuminated, not to the UV lamp The light is blocked, and the opaque sheet or film material and the UV-containing transparent material can be hardened to solve the technical defects that the existing hardening mechanism cannot complete the surface hardening treatment of the opaque material and the UV transparent material.
  • the surface hardening device in one embodiment of the present invention is further provided with a gap adjusting mechanism, a first temperature control member and a second temperature control member, and the gap adjusting mechanism can roughly adjust the thickness of the sheet or the film material through the transparent roller.
  • the first temperature control member and the second temperature control member of the soft roller respectively control the roll surface temperature of the transparent roller and the soft roller, and change the physical properties of the UV hardening liquid by using the temperature, thereby more precisely controlling the forming thickness of the sheet or the film material. .
  • the surface hardening apparatus provided by the present invention employs the surface hardening apparatus of the present application, and thus has the same advantageous effects as described above.
  • the surface hardening device in an embodiment of the present invention is provided with a storage device capable of storing the material before the hardening process, and when the film or film material on the unwinding device is transferred, it needs to be replaced with a new one. The film or film material is formed. At this time, in the process of connecting the materials, the material of the material storage device can be used, so that the hardening treatment can be performed without interruption, and the processing efficiency is improved.
  • the surface hardening device is directly connected to the plastic sheet or the film material forming device, the surface hardening treatment of the sheet or the film material can be completed online, and the production efficiency is higher.
  • FIG. 1 is a schematic structural view of a surface hardening device for a sheet or a film material according to an embodiment of the present invention
  • FIG. 2 is a schematic structural view of another surface hardening device for a sheet or film material according to an embodiment of the present invention
  • FIG. 3 is a schematic structural view of a transparent roller of a surface hardening device according to an embodiment of the present invention.
  • Figure 4 is a side cross-sectional view of the transparent roller of Figure 3;
  • FIG. 5 is a schematic diagram of connection of a surface hardening device for a sheet or film material according to an embodiment of the present invention
  • FIG. 6 is a schematic diagram of connection of another surface hardening device for a sheet or film material according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural view of a material storage device for surface hardening equipment of a sheet or film material according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a secondary UV lamp hardening device for surface hardening equipment of a sheet or film material according to an embodiment of the present invention.
  • 1 is the first die
  • 2 is the sheet or film material
  • 3 is the soft roller
  • 4 is the gap adjustment mechanism
  • 5 is the transparent roller
  • 6 is the first UV lamp
  • 7 is the second die
  • 8 is the release
  • 9 is a release film
  • 10 is a second UV lamp
  • 11 is a bearing
  • 12 is a first temperature control member
  • 121 is a fluid conduit
  • 122 is a heat conductor
  • 01 is the unwinding device
  • 02 is the conveying roller
  • 03 is the storage device
  • 031 is the moving roller
  • 032 is the fixed roller
  • 04 is the surface hardening device
  • 05 is the thickness gauge
  • 06 is the protective film composite device
  • 07 It is a secondary UV lamp curing device
  • 071 is a third UV lamp
  • 072 is a cooling roller
  • 073 is a guide roller
  • 08 is a traction device
  • 09 is a winding device
  • 010 is a slicer.
  • the core of the invention is to provide a surface hardening device for a sheet or film material, which can solve the problem that the existing hardening mechanism can not be opaque material and contains UV under the premise of low cost, high environmental protection and reduced space occupation.
  • the present invention also provides a surface hardening apparatus and a sheet or film material production line comprising a sheet or film material of the above surface hardening device, which is capable of surface hardening an opaque material and a UV-containing transparent material.
  • an embodiment of the present invention provides a surface hardening device for a sheet or film material, hereinafter referred to as a surface hardening device, including a first die 1, a soft roller 3, a transparent roller 5, and a first UV. Light 6.
  • the first die 1 is for holding a UV hardening liquid
  • the soft roller 3 is a rubber roller or a polyurethane roller, and the soft roller 3 has a Shore hardness of 10 to 99 degrees, more preferably 50 to 70 degrees, such that the soft roller 3 When pressed into contact with the sheet or film material 2, the surface of the sheet or film material 2 is not damaged
  • the diameter of the soft roll 3 is 100 mm to 1000 mm, more preferably 200 mm to 500 mm, and the size is selected according to actual conditions, and is not limited to this.
  • the first die 1 is for applying a UV hardening liquid to the side surface of the sheet or film material 2 passing through the roll surface of the soft roll 3, the surface being a backing of the soft roll 3
  • the side surface shown as the upper surface in Figure 1.
  • the transparent roller 5 and the soft roller 3 are arranged in close proximity, that is, the axes of rotation of the transparent roller 5 and the soft roller 3 are parallel, and there is a gap between the soft roller 3 and the transparent roller 5 for the passage of the sheet or film material 2, and is
  • the roll surface of the soft roll 3 and the transparent roll 5 is pressed;
  • the roll surface of the transparent roll 5 is a transparent material that can pass ultraviolet rays;
  • the roll surface of the transparent roll 5 can be made of a transparent ultraviolet ray material such as glass, quartz or plastic.
  • the transparent roller 5 has a hollow structure.
  • the first UV lamp 6 is disposed inside the transparent roller 5, and the irradiation direction of the first UV lamp 6 is directed to the surface of the sheet or film material 2 coated on the roll surface of the transparent roller 5, that is, the light of the first UV lamp 6.
  • the sheet surface of the transparent roller 5 can be directly irradiated onto the surface of one side of the sheet or film material 2 which is in contact with the roll surface of the transparent roll 6.
  • the working process and working principle of the above surface hardening device is that the sheet or film material 2 passes through the roll surface of the soft roll 3, and the first die 1 is coated with UV to the side of the sheet or film material 2 facing away from the soft roll 3.
  • a hard liquid is added, after which the sheet or film material 2 passes through the gap between the soft roll 3 and the transparent roll 5, is flattened by the soft roll 3 and the transparent roll 5 in the gap, and the UV hardening liquid is evenly coated, or
  • One side surface of the film material 2 coated with the UV hardening liquid is wound around the transparent roll 5, in contact with the roll surface of the transparent roll 5, and the light of the first UV lamp 6 is passed when passing through the irradiation position of the first UV lamp 6.
  • the surface of the sheet or film material 2 coated with the UV hardening liquid is directly irradiated through the roll surface of the transparent roll 5, and the UV hardening liquid is solidified to complete the hardening treatment.
  • the first UV lamp 6 in the transparent roll 5 can be directly irradiated through the roll surface of the transparent roll 5 to the sheet of the sheet or film material 2 in contact with the roll surface.
  • Surface thereby curing the UV hardening liquid on the surface, and does not require light to pass through the sheet or film material 2. Therefore, the surface hardening device of the present invention can solve the problem that the existing hardening mechanism cannot be used for opaque materials and UV The problem of surface hardening of transparent materials.
  • the UV hardening liquid of the surface hardening device does not need to add a volatile solvent, thereby reducing the cost of the UV hardening liquid, reducing the adverse effect on the environment, and eliminating the need for drying equipment for the drying operation. It saves energy and reduces space consumption.
  • the surface hardening device is further optimized.
  • the surface hardening device in this embodiment further includes a gap adjusting mechanism 4 for connecting the soft roller 3 and the transparent roller 5 for adjusting the soft roller 3 and the transparent roller 5.
  • the size of the gap between the two roll faces.
  • the thickness of the UV hardening liquid on the sheet or film material 2 is adjusted by adjusting the gap size to obtain a sheet or film material 2 which satisfies different needs.
  • the gap adjusting mechanism 4 may specifically be a thread adjusting mechanism or a bevel adjusting mechanism that connects the rotating roller of the soft roller 3 and the transparent roller 5.
  • the thread adjusting mechanism is respectively provided with a screw rod and a threaded hole on the two rotating brackets, and the two rotating brackets are moved on the screw rod by the rotation of the screw rod in the threaded hole, thereby realizing the function of adjusting the gap size.
  • the principle is roughly the same and is not limited to the structure exemplified in the embodiment. As long as the gap adjustment can be achieved.
  • the gap between the soft roller 3 and the transparent roller 5 ranges from 0 mm to 2 mm, as the case may be.
  • a baffle is provided at both ends of the gap between the two rollers, and the UV hardening liquid is added. It is left in the space enclosed by the gap and the baffle and does not leak to both ends.
  • the surface hardening device in this embodiment further includes a first temperature control member 12 and a setting provided inside the transparent roller 5.
  • the second temperature control members inside the soft roller 3 are used to control the temperatures of the roll faces of the transparent roller 5 and the soft roller 3, respectively.
  • the purpose of accurately controlling the coating thickness of the UV hardening liquid on the sheet or film material 2 is achieved by changing the temperature of the roll surface and cooperating with the gap adjusting mechanism 4.
  • the viscosity of the UV hardening liquid is related to the temperature. The higher the temperature, the lower the viscosity of the UV hardening liquid, and the thinner the thickness, and vice versa.
  • the temperature control range of the first temperature control member 12 and the second temperature control member is 0 ° C to 150 ° C, and more preferably 30 ° C to 90 ° C.
  • the thickness is coarsely adjusted by the gap adjusting mechanism 4, and then the transparent roller 5 and the soft roller 3 are respectively adjusted by the first temperature control member 12 and the second temperature control member.
  • the temperature of the roll surface controls the temperature of the UV hardening liquid, adjusts the viscosity of the UV hardening liquid, and finally achieves the purpose of accurately controlling the thickness of the UV hardening liquid.
  • the present embodiment provides a specific first temperature control component 12 that includes a fluid conduit 121 and a thermal conductor 122.
  • the fluid conduit 121 is disposed inside the transparent roller 5, and internally receives a liquid for adjusting the temperature of the roll surface of the transparent roller 5, which may be water or oil;
  • the heat conductor 122 is located inside the transparent roller 5 and is coated with the fluid.
  • the heat conductor 122 is in contact with the inner roller surface of the transparent roller 5 to conduct heat.
  • the heat conductor 122 may be a semi-cylindrical structure, the fluid conduit 121 is inserted in the heat conductor 122, and both ends protrude from both end faces of the transparent roller 5, and both ends of the fluid conduit 121 are in fluid communication with the outside, and the liquid at a specific temperature is The fluid pipe 121 constantly flows to maintain the temperature of the roll surface of the transparent roller 5 constant.
  • the first temperature control member 12 can directly pass gas from one end of the transparent roller 5, and the gas enters the transparent roller 5 to directly transfer heat to the inner roller surface.
  • the other end of the transparent roller 5 comes out to form a gas flow passage.
  • the gas is heated or cooled in advance, and after reaching a certain temperature, it is continuously introduced into the transparent roller 5 to achieve the purpose of temperature control.
  • both ends of the transparent roller 5 are sleeved in the bearing 11, and are rotatably connected to the rotating bracket through the bearing 11, and both ends of the first UV lamp 6 are sealed and fixed at both ends of the transparent roller 5.
  • Both ends of the fluid conduit 121 of the first temperature control member 12 protrude from both ends of the transparent roller 5.
  • the length of the transparent roller 5 is 300 mm to 3000 mm, preferably 1000 mm to 2000 mm
  • the thickness of the roll surface is 1 mm to 200 mm, preferably 20 mm to 40 mm
  • the outer diameter is 100 mm to 1000 mm, preferably 300 mm to 500 mm.
  • the specific size is determined according to the actual situation, and is not limited to the numerical range enumerated in the embodiment, and is not specifically limited herein.
  • the structure of the second temperature control member may be the same as that of the first temperature control member 12, or may be a spiral pipe disposed in the hollow soft roller 3, or a straight pipe interposed in the solid soft roller 3, and the internal passage may be
  • the fluid used to adjust the temperature may be a gas or a liquid.
  • the arrangement of the soft roller 3 and the transparent roller 5 is optimized, and the angle between the plane composed of the rotational axis of the soft roller 3 and the rotational axis of the transparent roller 5 and the horizontal plane is 0 to 90.
  • the angle between the plane of the rotation axis of the soft roller 3 and the transparent roller 5 in FIG. 1 and the horizontal plane is 0°, of course, the angle may be any angle between 0° and 90°, and the first die 1 Position accordingly As long as the first die 1 can be applied to the surface of the sheet or film material 2 on the soft roll 3 by UV hardening, and the surface is subjected to extrusion flattening and UV light irradiation curing. It is not limited to the arrangement shown in FIG.
  • the transparent roller 5 may also be a double-layer or multi-layer plastic structure.
  • the inner layer is one or more of hard transparent plastic, soft transparent plastic and elastic plastic
  • the outer layer is BOPET (biaxially stretched polyester) film
  • the BOPET film has high strength, good rigidity, transparency and gloss. High, extremely high wear resistance, extremely low heat shrinkage, good antistatic properties, etc., can be well coated on the surface of the sheet or film material 2 with a good UV hardening liquid.
  • the transparent roll 5 can also be a layer of glass, quartz or plastic.
  • the surface of the transparent roll 5 in this embodiment is provided with a texture such as a frosted surface, a pattern, a pattern, a draw line or the like.
  • the surface hardening device in the above embodiment can complete the hardening treatment of the one-side surface of the sheet or film material 2.
  • This embodiment provides another surface hardening device, as shown in Fig. 2, capable of performing sheet or film material. Hardened on both sides of the surface.
  • the surface hardening device includes a release film transport mechanism 8, a second die 7, and a second UV lamp 10 in addition to the components in the above embodiments.
  • the release film transport mechanism 8 is transported with a release film 9, the release film 9 is a non-blocking transparent material, and the release film transport mechanism 8 is mainly composed of two transfer rollers for separating the release film 9 along the sheet or
  • the film material 2 is transported on the transport path of the soft roll 3 and the transparent roll 5, and the release film 9 is in contact with the side surface of the sheet or film material 2 which is in contact with the soft roll 3;
  • the second die 7 is used for holding UV hardening liquid, and the second die 7 is coated with UV hardening liquid to the side of the release film 9 passing through the soft roll 3 facing away from the soft roll 3;
  • the second UV lamp 10 is disposed outside the transparent roll 5.
  • the irradiation direction of the second UV lamp 10 is directed to the surface of the release film 9 coated on the roll surface of the transparent roll 5, which surface faces away from the transparent roll 5.
  • the working principle and working process of the above surface hardening device are: while the sheet or film material 2 is transported on the soft roller 3 and the transparent roller 5, the release film 9 passes through the release film transport mechanism 8 also in the soft roller 3 and the transparent roller. 5 is transported, and the transport path of the release film 9 on the soft roll 3 and the transparent roll 5 is the same as the transport path of the sheet or film material 2, more preferably synchronized, and the first die 1 is coated onto the sheet or film material 2. While the UV hardening liquid (the operation is the same as the operation of the surface hardening device in FIG.
  • the second die 7 is coated with a UV hardening liquid to the surface of the release film 9 facing away from the soft roller 3, Due to the side surface of the release film 9 facing away from the soft roll 3 Contact with the surface of the sheet or film material 2 on which the UV hardening liquid is not applied, so that during the transfer of the release film 9, the UV hardening liquid on the release film 9 is coated on the sheet or film.
  • the UV hardening liquid on both sides of the sheet or film material 2 is pressed and uniformly coated.
  • the release film 9 On both side surfaces, when the release film 9 is transported to the irradiation position where the second UV lamp 10 is located, the light of the second UV lamp 10 is transmitted through the release film 9 to the sheet or film material 2 which is in contact with the release film 9.
  • the UV hardening liquid on the surface is solidified, and the UV liquid is peeled off from the release film 9 as the release film 9 is transported, while the light emitted by the first UV lamp 6 will
  • the UV hardening liquid on the surface of the sheet or film material 2 in contact with the transparent roll 5 is solidified, and thus, the hardening treatment of both side surfaces of the sheet or film material 2 is simultaneously performed.
  • the release film 9 in this embodiment is a BOPET release film, and the advantages of the BOPET material have been described above, and will not be described herein.
  • the release film 9 can also be a PE release film, a PET release film, an OPP release film, etc., but the effect of the BOPET release film is good.
  • the surface hardening device provided by the invention can surface harden the transparent sheet or film material and the opaque sheet or film material.
  • the suitable transparent materials can be PVC, PET, PS, PETG, PC, PMMA, PCT, PCTG, GAG. (PETG/PET/PETG composite), PC/PMMA composite, TPU, etc.
  • the opaque material can be a metal sheet or film, a stainless steel sheet or film, an aluminum sheet or a film.
  • the surface hardening device can also be used in a UV printer, replacing the plate roller on the printing machine with the transparent roller 5, and providing the first UV lamp 6 in the transparent roller 5 to effect printing of the solvent-free UV-containing ink material.
  • an embodiment of the present invention further provides a surface hardening device for a sheet or a film material, comprising a unwinding device 01 arranged in sequence along a conveying direction of the sheet or film material 2, as described above.
  • the surface hardening device 04, the thickness gauge 05, the protective film composite device 06, the secondary UV lamp curing device 07, the traction device 08, the winding device 09, and the microtome 010 are described.
  • the transport roller 02 and the guide roller are disposed at appropriate positions between the devices; the unwinding device is used to place the rolled sheet or film material 2, and these rolled sheets or film materials 2 are continuously pulled by the traction device 08 Transmission, after each device is processed accordingly; thickness gauge 05 is used to measure the thickness of the surface hardened sheet or film material 2; protective film composite device 06 is used to cover both surfaces of the sheet or film material 2.
  • the protective film mainly comprises an upper and lower film releasing mechanism and an upper and lower pressing roller, and respectively presses the protective film on the two surfaces of the sheet or the film material 2 to isolate the air (the secondary UV lamp curing process, the UV hardening liquid The contact with the air can not be prevented, and the secondary UV lamp curing device 07 includes a third UV lamp 071 and a cooling roller 072 and two guide rollers 073 arranged in parallel, as shown in FIG.
  • the cooling roller 072 is located between the two guide rollers 073, and the third UV lamp 071 is located outside the cooling roller 072 with the irradiation direction directed to the surface of the sheet or film material 2 coated on the roller surface of the cooling roller 072 for Enhance the curing effect, improve UV adhesion and surface hardness, and increase productivity.
  • the cooling roller 072 is used to carry away the heat generated by the third UV lamp 071, and the guide roller 073 is used to press the sheet or film material 2 against the roller surface of the cooling roller 072, increasing the contact area with the cooling roller 072, and improving the cooling effect.
  • the winding device 09 and the slicer 010 are connected in parallel with the pulling device 08, and can perform a winding operation or a cutting operation.
  • the surface hardening device of the sheet or film material can surface-treat the sheet or film material 2 that has been wound, and the surface hardening device in FIG. 5 can harden the one-side surface of the sheet or film material 2.
  • the surface hardening device of Figure 6 is capable of hardening both sides of the sheet or film material 2.
  • two sets of surface hardening devices in FIG. 1 are disposed, one after the other, and each of the two sides of the film or film material 2 can also complete both sides of the film or film material 2. Hardening of the surface.
  • the surface hardening apparatus in the embodiment of the present invention further includes a stocking device 03, and the stocking device 03 is disposed between the unwinding device 01 and the surface hardening device 04;
  • the stocking device 03 includes The fixed row roller 032 and the moving roller 031 which are relatively disposed and relatively movable, the fixed roller 032 and the moving roller 031 are each provided with a plurality of rollers, and the sheet or film material 2 is alternately wound around the fixed roller 032 and moved The roller of the roller 031 is placed on the roller.
  • the fixed row roller 032 and the moving roller 031 are horizontally placed, the fixed roller 032 is located below the moving roller 031, and the moving roller 031 is movable up and down with respect to the fixed roller 032, of course, the moving roller 031 and the fixed roller 032 can also be placed vertically as long as the material can be stored.
  • the function of the stocking device 03 is to enable pre-storage of the sheet or film material 2 of the unwinding device 01, and to store the material before the hardening process, when the sheet or film material on the unwinding device 01 is transferred.
  • the materials previously stored in the material storage device 03 can be continuously used, and when the materials are connected, the materials are stored, so that the hardening process can be performed. Continuously, the processing efficiency is improved.
  • the specific operation of the stocking device 03 is: when the stock is being stored, the moving roller 031 moves upward relative to the fixed roller 032, and the two are separated by a certain distance, because the sheet or film material 2 is alternately wound up and down on the fixed roller 032 And moving the roller 031 on the roller, therefore, the sheet or film material 2 is stored in the stocking device 03; when a new sheet or film material 2 needs to be replaced, the moving roller 031 is slowly moved during the connecting process Moving downward, the distance between the two becomes smaller. Therefore, the length of the sheet or film material wound around the moving roller 031 and the fixed roller 032 becomes shorter, which can be used for subsequent processing, and after the connection is completed, the moving row is further moved.
  • the roller 031 moves upward to continue the stocking.
  • the embodiment of the invention further provides a sheet or film material production line, comprising a plastic sheet or film material forming device arranged in sequence along the conveying direction of the production line, a surface hardening device 04 and a thickness gauge 05 as described in all of the above embodiments.
  • the sheet or film production line can directly perform on-line surface hardening treatment on the sheet or film material 2 produced on the plastic sheet or film material forming equipment, thereby eliminating the intermediate winding process and further improving the production efficiency. And it can surface harden the opaque plastic and UV transparent plastic.
  • the first UV lamp 6, the second UV lamp 10, and the third UV lamp 071 are mercury lamps, halogen lamps, LED lamps, cold lamps, electrodeless lamps, and the like.
  • the UV hardening liquid is added with a wear-resistant and hardness-increasing material such as pearl powder or glass powder, and various pigments and additives.
  • the pump used for the UV hardening solution is a diaphragm pump.
  • the products produced by the surface hardening device, the surface hardening device and the sheet or film material production line in this embodiment can be used for building materials, decoration, kitchen and bathroom, and can also be used for household appliance casings, electronic products, lamp panels or decorations.

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Abstract

一种片或膜材料的表面加硬装置，包括第一模头(1)，还包括：软辊(3)，第一模头(1)用于向经过软辊(3)辊面的片或膜材料(2)的背向软辊(3)的一侧表面涂覆UV加硬液；透明辊(5)，与软辊(3)紧邻并排布置，软辊(3)和透明辊(5)之间具有用于片或膜材料(2)通过并挤压的间隙，透明辊(5)的辊面为可通过紫外线的透明材料；第一UV灯(6)，设置于透明辊(5)内部，且第一UV灯的照射方向指向包覆在透明辊(5)的辊面上的片或膜材料(2)的表面。本表面加硬装置在透明辊(5)中设置UV灯，从透明辊(5)内部直接向涂覆有UV加硬液的一侧表面照射，不会阻挡UV灯的光线，能够对不透明片或膜材料和含UV透明材料进行加硬处理。一种包含该表面加硬装置的表面加硬设备和片或膜材料生产线。

Description

片或膜材料生产线、表面加硬设备及其表面加硬装置
本申请要求于2015年06月17日提交中国专利局、申请号为201510337104.6、发明名称为“片或膜材料生产线、表面加硬设备及其表面加硬装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及金属片、膜或塑料片、膜加工技术领域，特别涉及一种片或膜材料的表面加硬装置。本发明还涉及一种包含该表面加硬装置的表面加硬设备以及片或膜材料生产线。
背景技术
在金属片、膜或塑料片、膜材料的生产加工过程中，有些需要对成型的片或膜材料的表面进行加硬处理，以满足使用需求。通常的片、膜表面加硬处理方式是将含有相应溶剂的UV硬化液(UV是紫外线的英文ultraviolet缩写，又称紫外线硬化液，经紫外线照射后能够固化，能够阻止紫外线通过)通过喷、淋、滚、涂等方法附着在片、膜材料的表面，由其自然流平，先挥发溶剂再进行烘干，烘干后片、膜材料的表面呈桔子皮状(此现象称为收缩、吸水或水印)。可以看出，该方法得到的片、膜材料表面不平整，如果UV加硬液中含有珠光粉等添加剂，则无法自然流平；况且添加挥发溶剂的UV加硬液成本高，挥发溶液挥发后对环境有不良影响，烘干操作需要烘干设备，加大了成本，耗费电能，且烘干设备占用较大的空间。
为解决上述问题，现有的解决方法是通过一种加硬机构来完成塑料挤出片或膜材料的表面加硬处理，该加硬机构包括模头、辅辊、主辊和UV灯。其中，辅辊和主辊水平一字排列，且辅辊和主辊之间存在一定间隙，用于塑料挤出片或膜通过；模头中装有UV加硬液，模头设置在辅辊的上方，用于向经过辅辊上辊面的塑料挤出片或膜涂覆UV加硬液；UV灯能够发射紫外线，其设置在主辊的外部，用于对着绕在主辊上的塑料挤出片或膜照射。工作时，塑料挤出片 或膜材料从辅辊的上辊面输送后，从辅辊和主辊之间的间隙中穿过，并在主辊上绕半圈，之后继续向后输送；与此同时，模头对着从辅辊上经过的片或膜涂覆UV加硬液，涂覆有UV加硬液的塑料挤出片或膜在经过辅辊和主辊之间的间隙时，辅辊和主辊对塑料挤出片或膜产生挤压，主辊与涂覆有UV加硬液的一面接触，当塑料挤出片或膜经过UV灯的照射区域时，UV加硬液瞬间固化在塑料挤出片或膜上，通过主辊对塑料挤出片或膜进行压覆平整，使加硬处理后的塑料挤出片或膜的表面不会出现因为自然流平而产生的桔子皮状收缩。且不需要向UV加硬液中添加挥发溶剂，降低了成本，对环境无污染，而且不需要烘干设备，不会占用较大空间。
但是，以上方法只能用于挤出塑料片或膜为透明材料的加硬处理，而对于不透明的片或膜，以及含UV透明片或膜(此为抗紫外线透明材料)，UV灯的紫外线不能穿过片或膜材料，无法对片或膜表面上的UV加硬液进行照射，使其固化，达不到表面加硬的目的。
发明内容
有鉴于此，本发明的目的在于提供一种片或膜材料的表面加硬装置，能够在降低成本、环保性高和减小空间占用的前提下，解决现有的加硬机构无法对不透明材料和含UV透明材料进行表面加硬处理的问题。
本发明的另一目的在于提供一种包含该表面加硬装置的片或膜材料的表面加硬设备以及片或膜材料生产线。
为达到上述目的，本发明提供以下技术方案：
一种片或膜材料的表面加硬装置，包括用于盛装UV加硬液的第一模头，还包括：
软辊，所述第一模头用于向经过所述软辊的辊面的片或膜材料的背向所述软辊的一侧表面涂覆UV加硬液；
透明辊，与所述软辊紧邻平行布置，所述软辊和所述透明棍之间具有用于片或膜材料通过并挤压的间隙，所述透明辊的辊面为可通过紫外线的透明材 料；
第一UV灯，设置于所述透明辊内部，且所述第一UV灯的照射方向指向包覆在所述透明辊的辊面上的片或膜材料的表面。
优选地，在上述的表面加硬装置中，还包括连接所述软辊和所述透明辊的间隙调节机构，用于调节所述软辊和所述透明辊的两个辊面之间的间隙。
优选地，在上述的表面加硬装置中，还包括设置在所述透明辊内部的第一温度控制部件和设置于所述软辊的内部的第二温度控制部件，分别用于控制所述透明辊和所述软辊的辊面的温度。
优选地，在上述的表面加硬装置中，所述第一温度控制部件包括：
流体管道，设置在所述透明辊的内部，所述流体管道内通入用于调节透明辊温度的液体；
导热体，包覆在所述流体管道的外部且与所述透明辊的内辊面接触导热。
优选地，在上述的表面加硬装置中，由所述软辊的转动轴线和所述透明辊的转动轴线组成的平面与水平面之间的夹角为0°～90°。
优选地，在上述的表面加硬装置中，所述透明辊为双层或多层塑料结构。
优选地，在上述的表面加硬装置中，还包括：
离型膜传输机构，用于将离型膜沿所述片或膜材料在所述软辊和所述透明辊上的传输路径传输，且所述离型膜与所述片或膜材料的接触所述软辊的一侧表面贴合接触；
第二模头，用于盛装UV加硬液，且所述第二模头向经过所述软辊的所述离型膜的背向所述软辊的一侧表面涂覆UV加硬液；
第二UV灯，设置于所述透明辊的外部，且所述第二UV灯的照射方向指向所述包覆于所述透明辊的辊面上的离型膜的表面。
本发明还提供了一种片或膜材料的表面加硬设备，包括用于放置成卷的片或膜材料的放卷装置、用于牵引所述片或膜材料传输的牵引装置以及用于在所述片或膜材料的两个表面贴覆保护膜的保护膜复合装置，还包括：
如上述任一项所述的表面加硬装置，所述表面加硬装置布置在所述放卷装置和牵引装置之间，所述保护膜复合装置布置在所述表面加硬装置和所述牵引 装置之间；
二次UV灯固化装置，包括第三UV灯和紧邻并排布置的冷却辊和两个导辊，所述冷却辊位于两个导辊之间，所述第三UV灯位于所述冷却辊的外部，其照射方向指向包覆在所述冷却辊的辊面上的片或膜材料的表面；所述二次UV灯固化装置位于所述保护膜复合装置和所述牵引装置之间。
优选地，在上述的表面加硬设备中，还包括：
储料装置，布置在所述放卷装置和所述表面加硬装置之间，包括相对设置且可相对移动的固定排辊和移动排辊，所述固定排辊和所述移动排辊均设置有多个辊筒，所述片或膜材料交替地卷绕在所述固定排辊和所述移动排辊的辊筒上。
本发明实施例还提供了一种片或膜材料生产线，沿生产线的传输方向依次包括塑料片或膜材料成型设备、如上述任一项所述的表面加硬装置、保护膜复合装置、二次UV灯固化装置、牵引装置、收卷装置和切片机。
与现有技术相比，本发明的有益效果是：
本发明提供的片或膜材料的表面加硬装置中，软辊和透明辊紧邻平行布置，第一模头将UV加硬液涂覆在经过软辊的辊面的片或膜材料的背向软辊的一侧表面上，片或膜材料穿过软辊和透明辊之间的间隙后，涂覆有UV加硬液的片或膜材料的一侧表面包覆于透明辊上，透明辊的辊面为可通过紫外线的透明材料，第一UV灯设置于透明辊的内部，且第一UV灯的照射方向指向包覆于透明辊的辊面上的片或膜材料的表面。该表面加硬装置在进行加硬处理时，通过软辊和透明辊之间的间隙将涂覆有UV加硬液的片或膜材料进行挤压定型，使UV加硬液均布于表面，之后第一UV灯的光通过透明辊的辊面照射在涂覆有UV加硬液的一侧表面，使得UV加硬液固化在表面上，得到一定厚度的平整的片或膜材料，完成加硬处理。与现有技术相比，不需要向UV加硬液中添加挥发溶剂，因此，降低了处理成本，不会对环境造成污染，不会出现自然流平在表面形成桔子皮的缺陷，并且不需要烘干设备，节省了烘干成本，减小了空间占用，与此同时，本发明中的表面加硬装置采用在透明辊中设置UV灯，从透明辊内部直接向涂覆有UV加硬液的一侧表面照射的方式，不会对UV灯 的光线进行阻挡，能够对不透明片或膜材料和含UV透明材料进行加硬处理，解决了现有的加硬机构无法完成不透明材料和含UV透明材料的表面加硬处理的技术缺陷。
本发明一实施例中的表面加硬装置增设有间隙调节机构、第一温度控制部件和第二温度控制部件，通过间隙调节机构能够对片或膜材料的厚度进行粗略调整，通过透明辊中的第一温度控制部件和软辊中的第二温度控制部件分别控制透明辊和软辊的辊面温度，利用温度改变UV加硬液的物理特性，进而更精确地控制片或膜材料的成型厚度。
本发明提供的表面加硬设备采用了本申请中的表面加硬装置，因此具有与上述相同的有益效果。此外，本发明一实施例中的表面加硬设备设置有储料装置，能够在加硬处理前先进行储料，当放卷装置上的成卷片或膜材料传输完毕时，需要更换新的成卷片或膜材料，此时在接续物料的过程中，能够使用储料装置的物料，使加硬处理能够不间断地进行，提高了加工效率。
本发明提供的片或膜生产线中，将表面加硬装置直接连接在塑料片或膜材料成型设备之后，能够在线完成片或膜材料的表面加硬处理工作，生产效率更高。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据提供的附图获得其他的附图。
图1为本发明实施例提供的一种片或膜材料的表面加硬装置的结构示意图；
图2为本发明实施例提供的另一种片或膜材料的表面加硬装置的结构示意图；
图3为本发明实施例提供的一种表面加硬装置的透明辊的结构示意图；
图4为图3中的透明辊的侧视剖视图；
图5为本发明实施例提供的一种片或膜材料的表面加硬设备的连接示意图；
图6为本发明实施例提供的另一种片或膜材料的表面加硬设备的连接示意图；
图7为本发明实施例提供的一种片或膜材料的表面加硬设备的储料装置的结构示意图；
图8为本发明实施例提供的一种片或膜材料的表面加硬设备的二次UV灯加硬装置的结构示意图。
其中：1为第一模头、2为片或膜材料、3为软辊、4为间隙调整机构、5为透明辊、6为第一UV灯、7为第二模头、8为离型膜传输机构、9为离型膜、10为第二UV灯、11为轴承、12为第一温度控制部件、121为流体管道、122为导热体；
01为放卷装置、02为输送辊、03为储料装置、031为移动排辊、032为固定排辊、04为表面加硬装置、05为测厚仪、06为保护膜复合装置、07为二次UV灯固化装置、071为第三UV灯、072为冷却辊、073为导辊、08为牵引装置、09收卷装置、010为切片机。
具体实施方式
本发明的核心是提供了一种片或膜材料的表面加硬装置，能够在降低成本、环保性高和减小空间占用的前提下，解决现有的加硬机构无法对不透明材料和含UV透明材料进行表面加硬处理的问题。
本发明还提供了一种包含上述表面加硬装置的片或膜材料的表面加硬设备以及片或膜材料生产线，能够对不透明材料和含UV透明材料进行表面加硬处理。
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造 性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参考图1所示，本发明实施例提供了一种片或膜材料的表面加硬装置，以下简称表面加硬装置，包括第一模头1、软辊3、透明辊5和第一UV灯6。其中，第一模头1用于盛装UV加硬液；软辊3为橡胶辊或聚氨酯辊，软辊3的邵氏硬度为10～99度，更优选于50～70度，这样，软辊3与片或膜材料2挤压接触时，不会损坏片或膜材料2的表面；软辊3的直径100mm～1000mm，更优选为200mm～500mm，大小根据实际情况选择，并不局限于本实施例所列举的数值范围；第一模头1用于向经过软辊3的辊面的片或膜材料2的一侧表面涂覆UV加硬液，该表面为背向软辊3的一侧表面，在图1中显示为上表面。
透明辊5与软辊3紧邻平行布置，即透明辊5和软辊3的转动轴线平行，软辊3和透明棍5之间具有间隙，用于片或膜材料2通过，并在间隙中被软辊3和透明辊5的辊面挤压；透明辊5的辊面为可通过紫外线的透明材料；透明辊5的辊面可由玻璃、石英、塑料等透明的能够通过紫外线的材料制成，透明辊5为空心结构。
第一UV灯6设置于透明辊5的内部，且第一UV灯6的照射方向指向包覆在透明辊5的辊面上的片或膜材料2的表面，即第一UV灯6的光线能够透过透明辊5的辊面，直接照射在与透明辊6的辊面接触的片或膜材料2的一侧表面上。
上述表面加硬装置的工作过程和工作原理是：片或膜材料2经过软辊3的辊面，第一模头1向片或膜材料2的背向软辊3的一侧表面涂覆UV加硬液，之后，片或膜材料2从软辊3和透明辊5之间的间隙通过，在间隙中被软辊3和透明辊5挤压平整，UV加硬液涂覆均匀，片或膜材料2的涂覆有UV加硬液的一侧表面绕在透明辊5上，与透明辊5的辊面接触，在经过第一UV灯6的照射位置时，第一UV灯6的光线透过透明辊5的辊面直接照射在片或膜材料2的涂覆有UV加硬液的一侧表面，将UV加硬液固化，完成加硬处理。
可见，无论片或膜材料2是透明的还是不透明的，透明辊5中的第一UV灯6都可以透过透明辊5的辊面直接照射在与辊面接触的片或膜材料2的表 面，从而将该表面上的UV加硬液固化，不需要光线透过片或膜材料2，因此，本发明中的表面加硬装置能够解决现有的加硬机构无法对不透明材料和含UV透明材料进行表面加硬处理的问题。同时，该表面加硬装置的UV加硬液中不需要添加挥发溶剂，因此，降低了UV加硬液的成本，减小了对环境的不良影响，并且不需要烘干设备进行烘干操作，节省了电能，也减小了空间占用。
如图1所示，对表面加硬装置进一步优化，本实施例中的表面加硬装置还包括连接软辊3和透明辊5的间隙调节机构4，用于调节软辊3和透明辊5的两个辊面之间的间隙大小。通过调节间隙大小来调节片或膜材料2上UV加硬液的厚度，得到满足不同需求的片或膜材料2。
间隙调节机构4具体可以为连接软辊3和透明辊5的转动支架的螺纹调节机构或斜锥调节机构。螺纹调节机构是在两个转动支架上分别设置丝杆和螺纹孔，通过丝杆在螺纹孔中的旋转，使两个转动支架在丝杆上移动，实现调节间隙大小的功能。原理大致如此，并不局限于本实施例所列举的结构。只要能够实现间隙调节即可。一般地，软辊3和透明辊5之间的间隙范围在0mm～2mm之间，视具体情况而定。
为了防止UV加硬液从软辊3和透明辊5之间的间隙中向两端外泄，在本实施例中，两辊之间的间隙的两端设置有挡板，则UV加硬液留存在间隙和挡板围成的空间内，不会向两端泄漏。当然，也可以不设置挡板，只是会出现UV加硬液的不必要损失。
如图3和图4所示，更进一步地，在设置有间隙调节机构4的基础上，本实施例中的表面加硬装置还包括设置在透明辊5内部的第一温度控制部件12和设置于软辊3的内部的第二温度控制部件，分别用于控制透明辊5和软辊3的辊面的温度。通过改变辊面的温度，并与间隙调节机构4配合，达到精确控制片或膜材料2上的UV加硬液的涂覆厚度的目的。UV加硬液的粘度与温度有关，温度越高，UV加硬液的粘度越低，厚度就会越薄，反之，则相反。第一温度控制部件12和第二温度控制部件的温度控制范围为0℃～150℃，更优选为30℃～90℃。具体工作时，先通过间隙调节机构4对厚度进行粗调，之后通过第一温度控制部件12和第二温度控制部件分别调节透明辊5和软辊3的 辊面的温度，进而控制UV加硬液的温度，调节UV加硬液的粘度，最终达到精确控制UV加硬液的厚度的目的。
如图3和图4所示本实施例提供了一种具体的第一温度控制部件12，第一温度控制部件12包括流体管道121和导热体122。其中，流体管道121设置在透明辊5的内部，内部通入用于调节透明辊5的辊面温度的液体，可以是水或油；导热体122位于透明辊5的内部，且包覆在流体管道121的外部，导热体122与透明辊5的内辊面接触导热。导热体122可以是半圆柱体结构，流体管道121穿插在导热体122中，且两端伸出透明辊5的两侧端面，且流体管道121的两端与外部液体连通，特定温度的液体在流体管道121中不断流动，从而保持透明辊5的辊面的温度恒定。
当然，第一温度控制部件12除了采用上一实施例的结构之外，还可以直接从透明辊5的一端通入气体，气体进入透明辊5中，直接对内辊面进行传热，气体从透明辊5的另一端出来，形成气体流通通道。气体事先进行加热或冷却，达到一定温度后，不断地通入透明辊5中，达到温度控制的目的。
从图3和图4中可以看到，透明辊5的两端套接在轴承11中，通过轴承11与转动支架转动连接，第一UV灯6的两端密封固定在透明辊5的两端，第一温度控制部件12的流体管道121的两端伸出透明辊5的两端。在本实施例中，透明辊5的长度为300mm～3000mm，优选为1000mm～2000mm，辊面的厚度为1mm～200mm，优选为20mm～40mm，外径为100mm～1000mm，优选为300mm～500mm。当然，具体尺寸根据实际情况确定，并不局限于本实施例所列举的数值范围，在此不做具体限定。
第二温度控制部件的结构可以和第一温度控制部件12的结构相同，也可以是设置在空心的软辊3内的螺旋管道，或者是穿插在实心的软辊3中的直管道，内部通入用于调节温度的流体，可以是气体或液体。
在本实施例中，对软辊3和透明辊5的布置进行优化，由软辊3的转动轴线和透明辊5的转动轴线组成的平面与水平面之间的夹角为0°～90°。图1中的软辊3和透明辊5的转动轴线所在的平面与水平面之间的夹角为0°，当然，夹角可以是0°～90°之间的任意角度，第一模头1的位置相应地进行调 整，只要能够实现第一模头1对软辊3上的片或膜材料2的表面进行UV加硬液的涂覆，并对该表面进行挤压平整和UV灯光照射固化即可。并不仅限于图1所示的布置形式。
在本实施例中，透明辊5还可以是双层或多层塑料结构。具体地，内层为硬透明塑料、软透明塑料、弹性塑料中的一种或几种，外层为BOPET(双向拉伸聚酯)薄膜，BOPET薄膜具有强度高、刚性好、透明、光泽度高、极高的耐磨性、热收缩性极小、良好的抗静电性等优点，可以很好地将UV加硬液平整涂覆在片或膜材料2的表面。当然，透明辊5还可以是一层玻璃、石英或塑料结构。
如果所要生产的片或膜材料的表面具有纹理，则本实施例中的透明辊5的辊面上设置有纹理，如磨砂面、图案、花纹、拉丝纹等。
以上实施例中的表面加硬装置可以完成片或膜材料2的单侧表面的加硬处理，本实施例提供了另一种表面加硬装置，如图2所示，能够进行片或膜材料2的两侧表面的加硬处理。该表面加硬装置除了包括以上实施例中的部件之外，还包括离型膜传输机构8、第二模头7和第二UV灯10。其中，离型膜传输机构8上传输有离型膜9，离型膜9为不粘连透明材料，离型膜传输机构8主要由两个传送辊组成，用于将离型膜9沿片或膜材料2在软辊3和透明辊5上的传输路径传输，且离型膜9与片或膜材料2的与软辊3接触的一侧表面贴合接触；第二模头7用于盛装UV加硬液，且第二模头7向经过软辊3的离型膜9的背向软辊3的一侧表面涂覆UV加硬液；第二UV灯10设置于透明辊5的外部，且第二UV灯10的照射方向指向包覆于透明辊5的辊面上的离型膜9的表面，该表面背向透明辊5。
上述表面加硬装置的工作原理和工作过程是：片或膜材料2在软辊3和透明辊5上传输的同时，离型膜9通过离型膜传输机构8也在软辊3和透明辊5上传输，且离型膜9在软辊3和透明辊5上的传输路径与片或膜材料2的传输路径相同，更优选为同步，第一模头1向片或膜材料2涂覆UV加硬液(该操作与图1中的表面加硬装置的操作相同)的同时，第二模头7向离型膜9的背向软辊3的一侧表面涂覆UV加硬液，由于离型膜9的背向软辊3的一侧表面 与片或膜材料2上未涂覆UV加硬液的一侧表面贴合接触，因此，在离型膜9的传输过程中，离型膜9上的UV加硬液涂覆在片或膜材料2的与离型膜9接触的表面上，在经过软辊3和透明辊5的间隙时，片或膜材料2的两侧表面的UV加硬液被挤压，并均匀平整地涂覆在两侧表面，当离型膜9传输到第二UV灯10所在的照射位置时，第二UV灯10的光线透过离型膜9照射在与离型膜9接触的片或膜材料2的一侧表面上，该表面上的UV加硬液固化，且UV液随着离型膜9的传输，从离型膜9上剥离开，与此同时，第一UV灯6发出的光将片或膜材料2的与透明辊5接触的表面上的UV加硬液固化，因此，同时完成了片或膜材料2的两侧表面的加硬处理。
更优选地，本实施例中的离型膜9为BOPET离型膜，上面已经介绍了BOPET材料的优点，在此不再赘述。当然，离型膜9还可以是PE离型膜、PET离型膜、OPP离型膜等，只是没有BOPET离型膜的效果好。
本发明提供的表面加硬装置可以对透明片或膜材料和不透明片或膜材料进行表面加硬处理，适用的透明材料可以是PVC、PET、PS、PETG、PC、PMMA、PCT、PCTG、GAG(PETG/PET/PETG复合材料)、PC/PMMA复合材料、TPU等。不透明材料可以是金属片或膜、不锈钢片或膜、铝片或膜。
该表面加硬装置还可以用于UV印刷机，将透明辊5替换掉印刷机上的版辊，并在透明辊5中设置第一UV灯6，实现无溶剂含UV油墨材料的印刷。
如图5和图6所示，本发明实施例还提供了一种片或膜材料的表面加硬设备，包括沿片或膜材料2的传输方向依次布置的放卷装置01、如以上全部实施例所描述的表面加硬装置04、测厚仪05、保护膜复合装置06、二次UV灯固化装置07、牵引装置08、收卷装置09和切片机010。
其中，在各装置之间的合适位置设置输送辊02和导向辊；放卷装置用于放置成卷的片或膜材料2，这些成卷的片或膜材料2在牵引装置08的牵引下不断传输，经过各装置后进行相应处理；测厚仪05用于测量表面加硬处理后的片或膜材料2的厚度；保护膜复合装置06用于在片或膜材料2的两个表面贴覆保护膜，主要包括上下放膜机构和上下压辊，分别将保护膜贴合压在片或膜材料2的两个表面上，起到隔绝空气(二次UV灯固化过程中，UV加硬液 不能与空气接触)、防止后续加工划伤和弄脏的作用；二次UV灯固化装置07包括第三UV灯071和紧邻平行布置的冷却辊072和两个导辊073，如图8所示，冷却辊072位于两个导辊073之间，第三UV灯071位于冷却辊072的外部，其照射方向指向包覆在冷却辊072的辊面上的片或膜材料2的表面，用于增强固化效果，提高UV加硬液附着力和表面硬度，提高产能。冷却辊072用于把第三UV灯071产生的热量带走，导辊073用于把片或膜材料2压在冷却辊072的辊面，增大与冷却辊072的接触面积，提高冷却效果；收卷装置09和切片机010并列地与牵引装置08连接，可以进行收卷操作或裁切操作。
可见，本片或膜材料的表面加硬设备能够将已经成卷的片或膜材料2进行表面处理，图5中的表面加硬设备能够对片或膜材料2的单侧表面进行加硬处理，图6中的表面加硬设备能够对片或膜材料2的两侧表面进行加硬处理。当然，在图5的基础上，设置两套图1中的表面加硬装置，一前一后布置，且各自对应片或膜材料2的两侧表面，同样能够完成片或膜材料2的两侧表面的加硬处理。
如图5-图7所示，本发明实施例中的表面加硬设备还包括储料装置03，储料装置03布置在放卷装置01和表面加硬装置04之间；储料装置03包括相对设置且可相对移动的固定排辊032和移动排辊031，固定排辊032和移动排辊031均设置有多个辊筒，片或膜材料2交替地卷绕在固定排辊032和移动排辊031的辊筒上。优选地，固定排辊032和移动排辊031水平放置，固定排辊032位于移动排辊031的下方，移动排辊031可相对固定排辊032上下移动，当然，移动排辊031和固定排辊032也可以竖直放置，只要能够实现储料即可。
储料装置03的作用是能够对放卷装置01的成卷片或膜材料2进行预先存储，在加硬处理前先进行储料，当放卷装置01上的成卷片或膜材料传输完毕，需要更换新的成卷片或膜材料时，在接续物料的过程中，能够继续使用事先储存在储料装置03中的物料，当物料接续好后，再进行储料，使加硬处理能够不间断地进行，提高了加工效率。
储料装置03的具体操作是：进行储料时，移动排辊031相对固定排辊032向上移动，两者离开一定距离，由于片或膜材料2上下交替绕在固定排辊032 和移动排辊031的辊筒上，因此，片或膜材料2被储存在储料装置03中；当需要更换新的片或膜材料2时，接续过程中，将移动排辊031慢慢向下移动，两者之间的距离变小，因此，绕在移动排辊031和固定排辊032上的片或膜材料的长度变短，可用于后续的加工，接续完成后，再将移动排辊031向上移动，继续进行储料。当然，也可以不设置储料装置03，设置储料装置03是更优选的方案。
本发明实施例还提供了一种片或膜材料生产线，包括沿生产线的传输方向依次布置的塑料片或膜材料成型设备、如以上全部实施例所描述的表面加硬装置04、测厚仪05、保护膜复合装置06、二次UV灯固化装置07、牵引装置08、收卷装置09和切片机010。该片或膜生产线可以将塑料片或膜材料成型设备上生产出来的片或膜材料2直接进行在线表面加硬处理，省去了中间成卷过程，进一步提高生产效率。并且能够对不透明塑料和含UV透明塑料进行表面加硬处理。
在本实施例中，第一UV灯6、第二UV灯10和第三UV灯071为汞灯、卤素灯、LED灯、冷光灯、无极灯等。UV加硬液中添加珠光粉或玻璃粉等耐磨和增加硬度的材料以及各种颜料和添加剂。UV加硬液所使用的泵为隔膜泵。本实施例中的表面加硬装置、表面加硬设备和片或膜材料生产线生产的产品可用于建材、装饰和厨卫，也可用于家用电器外壳、电子产品、灯板或装饰品等。
本说明书中各个实施例采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似部分互相参见即可。
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (10)

  1. 一种片或膜材料的表面加硬装置，包括用于盛装UV加硬液的第一模头(1)，其特征在于，还包括：
    软辊(3)，所述第一模头(1)用于向经过所述软辊(3)的辊面的片或膜材料(2)的背向所述软辊(3)的一侧表面涂覆UV加硬液；
    透明辊(5)，与所述软辊(3)紧邻平行布置，所述软辊(3)和所述透明棍(5)之间具有用于片或膜材料(2)通过并挤压的间隙，所述透明辊(5)的辊面为可通过紫外线的透明材料；
    第一UV灯(6)，设置于所述透明辊(5)内部，且所述第一UV灯(6)的照射方向指向包覆在所述透明辊(5)的辊面上的片或膜材料(2)的表面。
  2. 根据权利要求1所述的表面加硬装置，其特征在于，还包括连接所述软辊(3)和所述透明辊(5)的间隙调节机构(4)，用于调节所述软辊(3)和所述透明辊(5)的两个辊面之间的间隙。
  3. 根据权利要求2所述的表面加硬装置，其特征在于，还包括设置在所述透明辊(5)内部的第一温度控制部件(12)和设置于所述软辊(3)的内部的第二温度控制部件，分别用于控制所述透明辊(5)和所述软辊(3)的辊面的温度。
  4. 根据权利要求3所述的表面加硬装置，其特征在于，所述第一温度控制部件(12)包括：
    流体管道(121)，设置在所述透明辊(5)的内部，所述流体管道(121)内通入用于调节所述透明辊(5)温度的液体；
    导热体(122)，包覆在所述流体管道(121)的外部且与所述透明辊(5)的内辊面接触导热。
  5. 根据权利要求1所述的表面加硬装置，其特征在于，由所述软辊(3)的转动轴线和所述透明辊(5)的转动轴线组成的平面与水平面之间的夹角为0°～90°。
  6. 根据权利要求1所述的表面加硬装置，其特征在于，所述透明辊(5)为双层或多层塑料结构。
  7. 根据权利要求1-6任一项所述的表面加硬装置，其特征在于，还包括：
    离型膜传输机构(8)，用于将离型膜(9)沿所述片或膜材料(2)在所述软辊(3)和所述透明辊(5)上的传输路径传输，且所述离型膜(9)与所述片或膜材料(2)的与所述软辊(3)接触的一侧表面贴合接触；
    第二模头(7)，用于盛装UV加硬液，且所述第二模头(7)向经过所述软辊(3)的所述离型膜(9)的背向所述软辊(3)的一侧表面涂覆UV加硬液；
    第二UV灯(10)，设置于所述透明辊(5)的外部，且所述第二UV灯(10)的照射方向指向所述包覆于所述透明辊(5)的辊面上的离型膜(9)的表面。
  8. 一种片或膜材料的表面加硬设备，包括用于放置成卷的片或膜材料(2)的放卷装置(01)、用于牵引所述片或膜材料(2)传输的牵引装置(08)以及用于在所述片或膜材料(2)的两个表面贴覆保护膜的保护膜复合装置(06)，其特征在于，还包括：
    如权利要求1-7任一项所述的表面加硬装置(04)，所述表面加硬装置(04)布置在所述放卷装置(01)和牵引装置(08)之间，所述保护膜复合装置(06)布置在所述表面加硬装置(04)和所述牵引装置(08)之间；
    二次UV灯固化装置(07)，包括第三UV灯(071)和紧邻平行布置的冷却辊(072)和两个导辊(073)，所述冷却辊(072)位于两个所述导辊(073)之间，所述第三UV灯(071)位于所述冷却辊(072)的外部，其照射方向指向包覆在所述冷却辊(072)的辊面上的片或膜材料(2)的表面；所述二次UV灯固化装置(07)位于所述保护膜复合装置(06)和所述牵引装置(08)之间。
  9. 根据权利要求8所述的表面加硬设备，其特征在于，还包括：
    储料装置(03)，布置在所述放卷装置(01)和所述表面加硬装置(04)之间，包括相对设置且可相对移动的固定排辊(032)和移动排辊(031)，所述固定排辊(032)和所述移动排辊(031)均设置有多个辊筒，所述片或膜材料(2)交替地卷绕在所述固定排辊(032)和所述移动排辊(031)的辊筒上。
  10. 一种片或膜材料生产线，其特征在于，沿生产线的传输方向依次包括 塑料片或膜材料成型设备、如权利要求1-7任一项所述的表面加硬装置(04)、保护膜复合装置(06)、二次UV灯固化装置(07)、牵引装置(08)、收卷装置(09)和切片机(010)。
PCT/CN2016/085792 2015-06-17 2016-06-15 片或膜材料生产线、表面加硬设备及其表面加硬装置 WO2016202249A1 (zh)

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