JP3586687B2 - Web fusion laminating method and apparatus - Google Patents

Description

[0001]
[Industrial applications]
The present invention relates to a method for fusion laminating a plurality of webs, a method for producing a fusion laminate , and a fusion lamination apparatus . The web is a general term for sheet-like materials such as fabrics, plastic sheets, fiber-reinforced plastic sheets, foams, and metal foils.
[0002]
[Prior art]
As a method of fusing and laminating a plurality of webs (for example, a fabric and a foam), a fusing lamination method shown in FIGS. 5 and 6 is known.
[0003]
In the fusing lamination method shown in FIG. 5, a first web (W1) (for example, foam) is placed on the outward path of a heat-resistant conveyor belt (12) stretched between rollers (11a) and (11b). ) To run together with the conveyor belt (12) to heat the first web (W1) to a temperature at which the first web (W1) can be fused by the burner (13), and from there, a second web (W2) (for example, The two are laminated by supplying and pressing the fabric, and then the fused laminate (L) is run along with the conveyor belt (12) and taken off. In FIG. 5, (14) is a guide roller, (15) is a pressure roller, and (16) is a frame heat guard.
[0004]
In the fusion lamination method shown in FIG. 6, a first water-cooled cylinder (21) and a second water-cooled cylinder (22) are disposed so as to rotate in a direction in which they are engaged with each other. (W1) (for example, foam) is supplied to a first water-cooled cylinder (21), and the first web (W1) is heated to a temperature at which the first web (W1) can be fused by a burner (23) on the first water-cooled cylinder (21). At the same time, it is laminated with the second web (W2) (for example, cloth) supplied to the second water-cooled cylinder (22) to form a fused laminate (L), and is taken out via the carrying roller (24). . In FIG. 6, (25) is a tension roller, and (26) is a guide roller.
[0005]
[Problems to be solved by the invention]
However, in the fusion lamination method shown in FIG. 5, since the second web (W2) is pressed on the softened or melted first web (W1) by the pressure roller (15), There is a problem that it is not always easy to adjust the precise alignment of the webs (W1) and (W2).

[0006]
Even in the fusion lamination method shown in FIG. 6, the first web (W1) is heated to a temperature at which the first web (W1) can be fused by the burner (23) on the first water-cooled cylinder (21). Since the second web (W2) is crimped by the second water-cooled cylinder (22), the same problem as described above occurs.
[0007]
Further, in any of the above methods, it is difficult to uniformly heat the first web (W1) (for example, a foam) to a temperature at which the first web (W1) can be fused, so that the reliability of the laminate strength is limited. Since the temperature range from the softening point to the melting point of the web (W1) (for example, foam) must be considerably wide, the type of the first web (W1) that can be applied is limited.
[0008]
In addition, in any of the above methods, it is possible to laminate both of the two webs (W1) and (W2) in the longitudinal direction, and to laminate one of the two webs (W1) and (W2). It is difficult to cut and laminate the other web (W1) and (W2) after cutting it and laminating it.
[0009]
Under such a background, the present invention can uniformly heat one or both of them to an appropriate fusing temperature in accordance with the materials of a plurality of webs, while being a simple device, and therefore, the reliability is improved. A certain fusion is possible, it is easy to adjust the precise alignment of both webs, and furthermore, one web is cut and overlaid on the other web at an arbitrary angle and then laminated, or both webs are laminated. It is an object of the present invention to provide a method for fusing and laminating a web, a method for producing a fused laminate, and a fusing laminating apparatus which can be laminated at an arbitrary angle after cutting.
[0010]
[Means for Solving the Problems]
The method for fusing and laminating a web according to the present invention comprises a plurality of conveyor belts (1a) and (1b) which are arranged so that their running surfaces are close to or in contact with each other, and which run in a direction in which they mesh with each other. Of the conveyor belts (1a) and (1b) are heated by the heating means (2) in the first half zone, and the cooling means (4) in the second half zone of the conveyor belts (1a) and (1b). cooling by performing the conveyor belt (1a), in fusing laminating method for deriving forward fusing laminate material from the end of the (1b) (L),
Said heating means (2) as a plurality of heating rolls, with use of the plurality of cooling Russia Lumpur said as the cooling means (4), both conveyor belts (1a), forward path (1b) is, the heating means (2) The waveform is formed in accordance with the arrangement of the heating roll as the cooling roll and the cooling roll as the cooling means (4) .
[0011]
The method for producing a fusion-bonded web product of the present invention includes a forward end of the conveyor belts (1a) and (1b) , which are arranged to face each other so that their running surfaces are close to or in contact with each other and run in a direction in which they mesh with each other. A plurality of webs (W1) and (W2) are introduced in a stacked state from the side, and heating is performed by the heating means (2) in the first half zone of the conveyor belts (1a) and (1b) , and cooling means in the second half zone. By performing the cooling by (4) , the conveyor belt (1a), in producing a fusion laminate to derive the fusion laminate (L) from the end of the outward path of (1b) , as the heating means (2) A plurality of heating rolls, while using a plurality of cooling rolls as the cooling means (4) , the outward path of both conveyor belts (1a), (1b) , heating rolls as heating means (2) and cooling means (4 ) , So that the waveform is matched to the arrangement of the cooling roll
It is characterized by the following.
[0012]
The web fusion laminating apparatus of the present invention is a conveyor belt (1a), (1b) that is arranged to face each other so that the running surfaces are close to or in contact with each other, and runs in a direction in which they mesh with each other, the conveyor belt (1a), ( 1b) the heating means (2) provided in the first half zone of at least one of the outbound routes, and the conveyor belt (1a), provided at the back half of the at least one outbound zone of at least one of the outbound routes of (1b). Cooling means (4) , and
The heating means (2) includes a plurality of heating rolls, and the cooling means (4) includes a plurality of cooling rolls, and the outward paths of both conveyor belts (1a) and (1b ) serve as heating means (2) . A waveform is formed in accordance with the arrangement of the heating roll and the cooling roll as the cooling means (4) .
[0013]
Hereinafter, the present invention will be described in detail.
[0014]
In the present invention, the conveyor belts (1a) and (1b) are arranged to face each other such that their running surfaces are close to or in contact with each other, and run in a direction in which they mesh with each other. The running surfaces opposed to each other have a waveform as described later.
[0015]
The material of the conveyor belts (1a) and (1b) shall have heat resistance enough to withstand heating and, if necessary, have non-adhesiveness. Belts made of thin metal sheets, belts made of metal fiber yarns, ceramic fiber yarns, carbon fiber yarns, heat-resistant synthetic fiber yarns, and belts provided with a heat-resistant coating layer on these belts are not heat-resistant. It is applicable as a conveyor belt (1a), (1b). In addition, belts obtained by applying non-adhesive coating or non-adhesive processing such as a fluororesin coating to these belts are applicable as conveyor belts (1a) and (1b) in terms of heat resistance and non-adhesiveness. .
[0016]
Conveyor belts (1a), at least one of the forward path of the first half of the zone of (1b), provided heating means (2). The heating system in the heating means (2), electric heating system, direct conduction method, heat medium supply method, infrared or far-infrared radiation system, including heating side of the Peltier element, a variety of means capable of heating to a predetermined temperature Adopted. The heating means (2) is composed of a roll as described later.
[0017]
Conveyor belts (1a), at least one of the second half of the zone forward of the (1b), a cooling means (4). As the cooling method in the cooling means (4), water cooling, air cooling system, various means, including cold side of the Peltier element is employed. The cooling means (4) is composed of a roll as described later .
[0018]
Furthermore , if a pressure roll (3) is provided at the transition between the first half zone and the second half zone of the conveyor belts (1a), (1b) , the lamination strength becomes uneven depending on the part, or the fused laminate ( It is easy to prevent the thickness of L) from becoming uneven . It is usual that a fixing roll (3 ′) is provided at a position facing the pressure roll (3).
[0019]
In the present invention, a plurality of heating rolls are used as the heating means (2 ) , and a plurality of cooling rolls are used as the cooling means (4) , and the forward path of both conveyor belts (1a) and (1b) is The waveform is adjusted in accordance with the arrangement of the heating roll as the heating means (2) and the cooling roll as the cooling means (4) .
[0020]
When carrying out the fusion lamination of a plurality of webs (W1) and (W2) using the above-described apparatus, the running surfaces are close to or in contact with each other with the webs (W1) and (W2) layered. The conveyor belts (1), (1) running opposite to each other and running in the direction of meshing with each other are introduced at the start end side of the outward path.
[0021]
At this time, a plurality of webs (W1) and (W2) may be introduced by overlapping both in the length direction, and may be cut after cutting one web and stacked on another web. Alternatively, both webs may be cut and then layered and introduced. That is, the plurality of webs (W1) and (W2) are introduced in a state where at least two of them are layered on each other at an arbitrary angle with respect to the length direction .
[0022]
In the first half zone of the conveyor belts (1a) and (1b), the conveyor belts (1a) and (1b) are heated by the heating means (3), so that the webs (W1) and (W2) have a waveform. one or both of them while traveling to soften or melt.
[0023]
It is preferable that the webs (W1) and (W2) that have passed through the first half zone of the outward path are subjected to pressure bonding by the pressure roll (3) and integrated before moving to the second half zone .
[0024]
The press-bonded webs (W1) and (W2) subsequently reach the second half zone of the forward path of the conveyor belts (1a) and (1b) , and while traveling in a waveform, are cooled by cooling means (4) provided in the zone. Cooled.
[0025]
Since the webs (W1) and (W2) that have passed through the conveyor belts (1a) and (1b) in this way are in a state of being mutually laminated, the following steps such as take-up, winding, cutting, and secondary processing are performed. Offered to
[0026]
As the web (W1) and (W2) in the above, various sheet-like materials can be used, including woven fabric, non-woven fabric, knitted fabric, paper, plastic film, fiber-reinforced plastic film, foam, and metal foil. It may be a single layer or multiple layers. At least one of the plurality of webs (W1) and (W2) uses a web whose at least surface layer is softened or melted by heating by the heating means (3) so that it can be fused to the other web. .
[0027]
[Action]
According to the present invention, one or both of the webs (W1) and (W2) can be uniformly heated to an appropriate fusion temperature in accordance with the material of the webs, even though the apparatus is simple, and Since pressure bonding can be performed after the heating, reliable fusion can be performed. The resulting fused laminate (L) has a uniform lamination strength and a uniform thickness throughout.
[0028]
In addition, since a method is adopted in which a plurality of webs (W1) and (W2) are laminated in advance and then subjected to fusion, it is easy to adjust the precise alignment of both webs (W1) and (W2). In addition to laminating both webs (W1) and (W2) in the longitudinal direction and then laminating, one web is cut and laminated at an arbitrary angle on the other web, and then laminated. It is also possible to cut both webs (W1) and (W2) and then laminate them at an arbitrary angle.
[0029]
【Example】
Next , the present invention will be further described with reference to examples and reference examples .
[0030]
Reference Example 1
FIG. 1 is an explanatory diagram showing an example of a web fusion lamination method , a method of manufacturing a fusion laminate, and a fusion lamination apparatus as a reference example .
[0031]
The conveyor belts (1a) and (1b) are made of stainless steel having good heat conductivity, and the surface thereof is subjected to a non-adhesive process using polytetrafluoroethylene. Both conveyor belts (1a), (1b) are arranged facing each other such that the running surfaces are close to or in contact with each other and run in a direction in which they are engaged with each other, while being stretched over rollers (5a), (5b). I can do it.
[0032]
Heating means (2a) and (2b) comprising belt type heaters are provided behind the forward half of the first half zone of both the conveyor belts (1a) and (1b).
[0033]
Water-cooling type cooling means (4a) and (4b) are provided on the back side of the forward half of the zone in the latter half of both forwards of both conveyor belts (1a) and (1b).
[0034]
At the transition between the first half zone and the second half zone of the forward path of both conveyor belts (1a), (1b), a pressure roll (3) is provided facing the fixed roll (3 ').
[0035]
The nonwoven fabric as an example of the web (W1) and the foam as an example of the web (W2) are supplied from raw rolls (6a) and (6b), respectively, and both webs (W1) and (W2) are guided by guide rolls (7). )) And are introduced in a stacked state at the start end side of the forward path of both conveyor belts (1a) and (1b).
[0036]
The laminated webs (W1) and (W2) travel together with the traveling of both conveyor belts (1a) and (1b), and are heated by the heating means (2a) and (2b) in the first half zone of the outward path, and the web ( W2) softens or melts and fuses with the web (W1), is uniformly laminated while passing between the pressure roll (3) and the fixed roll (3 '), and then in the latter half zone of the outward path It is cooled by the cooling means (4a), (4b).
[0037]
The fused laminate (L) drawn from the end of the forward path of both conveyor belts (1a) and (1b) is taken up by feed rolls (8a) and (8b) and cut by a shearing cutter (9).
[0038]
The thus obtained fused laminate (L) had a uniform lamination strength and a uniform thickness throughout.
[0039]
Reference Example 2
FIG. 2 is an explanatory view showing another example of a fusion splicing method of a web, a method of manufacturing a fusion laminate, and a fusion laminating apparatus as a reference example .
[0040]
Reference Example 2 basically adopts the same configuration as Reference Example 1 , except that preheating heaters (2a ') and (2b') are provided at the end of the return path of both conveyor belts (1a) and (1b). In addition, meandering preventing means (10a) and (10b) of the conveyor belts (1a) and (1b) are added.
[0041]
Reference Example 3
FIG. 3 is an explanatory view showing still another example of a method of fusing and laminating a web, a method of producing a fused laminate, and a fusing laminating apparatus as a reference example .
[0042]
Reference Example 3 basically employs the same configuration as Reference Example 1 , except that a heating roll group is used as heating means (2a) and (2b), and a water-cooled type is used as cooling means (4a) and (4b). A cooling roll group is used.

[0043]
Example 1
Figure 4 is a web of fusion lamination process of the present invention, is an explanatory diagram showing an example of a manufacturing method and fusing laminating apparatus fused laminate thereof.
[0044]
Example 1 employs a configuration somewhat similar to that of Reference Example 3 , except that three heating rolls are used as the heating means (2), and four water-cooled cooling rolls are used as the cooling means (4), and The outward paths of both conveyor belts (1a) and (1b) are corrugated in accordance with the arrangement of a heating roll as heating means (2) and a cooling roll as cooling means (4). For example, a heating medium at 210 to 230 ° C. is supplied to the heating roll, and water at 20 to 60 ° C. is supplied to the cooling roll, for example. The two webs (W1) and (W1) made of the fiber reinforced plastic film are supplied in a state of being orthogonal to the length direction and the direction perpendicular thereto, and in a state where the web (W2) made of the nonwoven fabric is layered on the conveyor belt ( It is supplied to the starting end of 1a) and (1b).
[0045]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to this invention, although it is a simple apparatus, one or both of them can be uniformly heated to an appropriate fusion temperature according to the material of several webs, and thus reliable fusion is possible. It is easy to adjust the precise alignment of both webs, and furthermore, after cutting one web and layering it on the other web at an arbitrary angle and laminating, or cutting both webs It is also possible to laminate at any angle.
[Brief description of the drawings]
FIG. 1 is an explanatory view showing an example of a web fusion laminating method , a method of manufacturing a fusion laminate, and a fusion laminating apparatus as a reference example .
FIG. 2 is an explanatory diagram showing another example of a fusion splicing method of a web, a production method of a fusion laminate, and a fusion laminating apparatus as a reference example .
FIG. 3 is an explanatory view showing still another example of a fusion splicing method of a web, a method of producing a fusion laminate, and a fusion laminating apparatus as a reference example .
FIG. 4 is an explanatory diagram showing an example of a web fusion lamination method , a fusion lamination product manufacturing method, and a fusion lamination apparatus of the present invention.
FIG. 5 is an explanatory view showing an example of a conventional web fusion lamination method.
FIG. 6 is an explanatory view showing another example of the conventional web fusion lamination method.
[Explanation of symbols]
(1a), (1b)… Contour belt,
(2), (2a), (2b) ... heating means,
(2a '), (2b')… Preheater,
(3)… Crimping roll,
(3 ')… Fixed roll,
(4), (4a), (4b) ... cooling means,
(5a), (5b)… Roller,
(6a), (6b)… Material roll,
(7)… guide roll,
(8a), (8b)… Feed roll,
(9)… Shearing cutter,
(10a), (10b) ... Meandering prevention means,
(11a), (11b)… Roller,
(12)… Conveyor belt,
(13)… Burner,
(14)… Guide roller,
(15)… Crimping roller,
(16)… Frame heat guard,
(21)… water-cooled cylinder,
(22)… water-cooled cylinder,
(23)… Burner,
(24)… Carrying roller,
(25)… Tension roller,
(26)… Guide roller,
(W1), (W2)… Web,
(L)… Fused laminate

Claims (3)

A plurality of webs (W1) and (W2) are stacked on the forward path of the conveyor belts (1a) and (1b) that are arranged so that the running surfaces are close to or in contact with each other and run in a direction in which they mesh with each other, from the starting end side thereof. In the first half zone of the conveyor belts (1a) and (1b), heating by the heating means (2) is performed, and in the second half zone, cooling by the cooling means (4) is performed. ), In the fusion lamination method of deriving the fusion laminate (L) from the end of the outward path of (1b) ,
A plurality of heating rolls are used as the heating means (2) , and a plurality of cooling rolls are used as the cooling means (4) , and the outward paths of both conveyor belts (1a) and (1b ) serve as heating means (2) . A method for fusing and laminating a web, characterized in that a waveform is formed in accordance with the arrangement of a heating roll and a cooling roll as a cooling means (4) . Conveyor belts that are arranged facing each other so that their running surfaces are close to or in contact with each other, and that run in the direction of meshing with each other (1a), (1b) In the outbound route, a plurality of webs (W1), (W2) And the conveyor belt (1a), (1b) Heating means in the first half zone of (2) Heating, cooling means in the second half zone (Four) The cooling by the conveyor belt (1a), (1b) From the end of the outbound path (L) In producing a fused laminate that derives
The heating means (2) As a plurality of heating rolls, the cooling means (Four) Using multiple cooling rolls, and both conveyor belts (1a), (1b) The outbound path is heating means (2) Heating roll and cooling means (Four) To be corrugated according to the arrangement of the cooling roll
A method for producing a fusion-bonded web product, comprising the steps of: Conveyor belts (1a), (1b) which are arranged facing each other so that their running surfaces are close to or in contact with each other and run in a direction in which they mesh with each other, and the first half of at least one of the outgoing routes of the conveyor belts (1a), (1b) Heating means (2) provided in the zone of , and a cooling means (4) provided in the latter half zone of at least one of the conveyor belts (1a) and (1b) of the conveyor belt , and
The heating means (2) includes a plurality of heating rolls, and the cooling means (4) includes a plurality of cooling rolls, and the outward paths of both conveyor belts (1a) and (1b ) serve as heating means (2) . A web fusing and laminating apparatus characterized in that it has a waveform in accordance with the arrangement of a heating roll and a cooling roll as a cooling means (4) .

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