JP3649380B2 - Vehicle roofing - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
  The present invention is an improvement of a conventional honeycomb structure plate, and can increase the rigidity without increasing the weight.Vehicle roofing usingIt is about.
[0002]
[Prior art]
As a conventional honeycomb structure board, for example, there are techniques disclosed in Japanese Utility Model Laid-Open No. 7-37629 and Japanese Patent Laid-Open No. 10-156985. The conventional honeycomb structure board disclosed in these publications is a plastic structure board made of a thermoplastic resin or a composition thereof, and has a wide range of uses such as interiors of automobiles, interiors of houses, etc., high strength, It is useful because of its high rigidity and light weight.
A typical structure example of this honeycomb structure plate (hereinafter referred to as a conventional structure plate) will be described with reference to the drawings. Incidentally, FIG. 10 is a perspective view of a conventional structural plate, where (a) shows before assembly and (b) shows after assembly. FIG. 11 is a ZZ cross-sectional view of FIG.
[0003]
The conventional structural plate 100 includes an intermediate member 102 having a plurality of hollow convex bodies 101,... As shown in FIG. Adhesive members 103 and 103 are attached to both surfaces of the intermediate member 102, and further, skin materials 105 and 105 made of an inorganic material or the like are attached to the outer surfaces of the respective adhesive members 103 and 103.
[0004]
The internal structure of the conventional structural plate 100 is formed as shown in FIG. The hollow member 101 in the intermediate member 102 is formed with a recess 101b with one end opened. And, by adhering the adhering members 103, 103, airtight chambers 108,... Are mainly formed in the recesses 101b,. By forming the airtight chambers 108,..., External force absorbability such as compressive strength, heat insulation, and the like are improved.
[0005]
The intermediate member 102 and the sticking member 103 are made of a thermoplastic resin or a composition thereof, and are bonded to each other using an adhesive material or a curable adhesive.
The intermediate member 102 is manufactured by various known methods such as vacuum forming and injection molding. The manufacture will be outlined by taking vacuum forming as an example.
[0006]
FIG. 12 is a schematic diagram of the vacuum forming apparatus 110. A member denoted by reference numeral 106 is a roll portion that forms the hollow convex bodies 101,... And has a mold portion corresponding to the hollow convex bodies 101,. A sheet 107 made of a thermoplastic resin or the like is fed into the roll unit 106 via the T die 111. Then, the hollow convex bodies 101,... Are formed on the sheet 107 by heat suction, and the intermediate member 102 is formed. The intermediate member 102 is sent out by the rotation of the roll unit 106. Further, the intermediate members 102 are attached with the adhesive members 103 and 103 and the skin materials 105 and 105 in the course of being sent out, and the conventional structural plate 100 is completed. In addition, feeding of the sticking member 103, the skin material 105, etc. is performed via the T-die 109,109.
[0007]
[Problems to be solved by the invention]
Incidentally, the conventional structural plate 100 has the following problems.
When the intermediate member 102 is made of a thermoplastic resin or a composition thereof, the above-described means of vacuum forming method is usually used well. If the height of the hollow convex body 101 in the intermediate member 102 is high, the space between the skin materials 105, 105 and the volume of the small chamber (airtight chamber) 108, etc. increase, and external force absorption, heat insulation, etc. are improved. Is preferred.
[0008]
However, for example, when the intermediate member 102 is manufactured by the vacuum forming method, if the height of the hollow convex body 101 is too high, the walls of the hollow convex bodies 101,... Become a film, and the strength cannot be maintained. On the other hand, if the wall portion of the intermediate member 102 is made thick in order to prevent this inconvenience, the weight increases, and the weight reduction that is the original advantage of the honeycomb structure plate cannot be achieved. In other words, in the conventional structural plate 100, the height of the hollow convex body 101 is limited to about 5 mm, and there are many problems in terms of strength, especially in manufacturing the intermediate member 102 that requires a large area. .
[0009]
  Such a problem is not limited to the case where the thermoplastic resin or the like is used as a material, and the same problem may occur when a honeycomb structure plate is manufactured from another material.
Further, as shown in FIG. 6B, when the roof lining of an automobile is formed with the conventional structural plate 100, the adhesive member 103 and the skin material 105 are bent along the cylinder of the intermediate member at the bent portion. For this reason, the ridgeline 115 becomes zigzag-like and the appearance is impaired.
  The present invention has an object to solve the above-mentioned problems. The rigidity is increased without increasing the weight, and the impact absorption, sound absorption and the like are also excellent.Vehicle roofingThe purpose is to provide.
[0010]
[Means for Solving the Problems]
  In order to achieve the above object, the present invention forms a plurality of hollow convex bodies on each of a plurality of thin plates, and makes the convex portions of the hollow convex bodies formed on each of the thin plates contact each other. The intermediate member is provided on one or both surfaces of the intermediate member.CutWith long glass fiberMade of plastic powder and / or plastic fiber wet or dryAn adhesive member having air permeability, andBreathableThe vehicle roof lining is characterized by having an air-permeable small chamber formed inside the hollow convex body by providing the sticking member.
  According to the above means, the ridgeline of the molded article for automobile roof lining is smooth. Moreover, the sound absorption effect from the surface on the side of the small chamber having air permeability is enhanced.
[0011]
  Also, the one side of the intermediate memberBreathableAn adhesive member may be provided, and an adhesive member having airtightness may be provided on the other surface.
[0012]
In addition, the vehicle roof lining may be characterized in that, of the plurality of hollow convex bodies formed on each of the plurality of thin plates, only some of the hollow convex bodies are brought into contact with each other.
According to this means, the hollow convex body that is not involved in the contact will interfere only when the other hollow convex body is deformed, and it is possible to further reduce the weight, and to effectively reduce the rigidity and shock absorption. It can be strengthened.
[0013]
Furthermore, the roof roofing for vehicles may be characterized in that the size and / or shape of one hollow convex body formed on each thin plate is different from the other hollow convex body.
According to this means, not only the rigidity is strengthened, but also the hollow convex bodies that come into contact with each other are easily deformed, and the impact absorbing action is enhanced.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
  The present invention will be specifically described based on embodiments with reference to the drawings as appropriate.In the following, a honeycomb structure plate according to the first to sixth embodiments showing a reference example of the structure of the intermediate member of the vehicle roof lining, and a seventh embodiment showing an example of the vehicle roof lining of the present invention. Will be described.FIG. 1 is a perspective view of a honeycomb structure board according to the first embodiment, where (a) shows a state in which the thin plates of the intermediate member are separated from each other, and (b) shows a state in which the thin plates of the intermediate member are brought into contact with each other. It is. 2A is a WW sectional view of FIG. 1B, and FIG. 2B is a second embodiment corresponding to the WW sectional view of FIG. 1B. FIG. 2C shows a third embodiment corresponding to the WW sectional view of FIG.
[0015]
In the honeycomb structure board 1 according to the first embodiment, the intermediate member 10 includes upper and lower thin plates 11 and 12 as shown in FIG. As shown in FIG. 2A, a plurality of hollow convex bodies 13,..., 14,... Corresponding to each other are formed on the thin plates 11 and 12, respectively. , 14,..., 14 a, 14 a,. In the present embodiment, the hollow convex bodies 13 formed on the thin plate 11 correspond to one hollow convex body, and the hollow convex bodies 14 formed on the thin plate 12 correspond to the other hollow convex body. It corresponds to a hollow convex body.
[0016]
One hollow convex body 13,... And the other hollow convex body 14,. One hollow convex body 13,... Has the same shape, and the other hollow convex body 14,. Therefore, in the following description, a pair of hollow convex bodies 13 and 14 corresponding to each other will be described, and description of the plurality of hollow convex bodies 13,..., 14,. Also, in the second to sixth embodiments described later, one hollow convex body and the other hollow convex body, which are formed in plural, have the same shape, unless otherwise specified. Therefore, only a pair of hollow convex bodies corresponding to each other will be described, and description of the other hollow convex bodies will be omitted.
[0017]
One hollow convex body 13 formed on the thin plate 11 and the other hollow convex body 14 formed on the thin plate 12 each have a cylindrical outer wall surface (see FIG. 1), and the outer wall surface is a convex portion 13a. , 14a. On the other hand, a hollow inner wall surface having an open end surface is formed inside the hollow convex bodies 13 and 14, and the inner wall surface corresponds to the recesses 13b and 14b.
The hollow convex bodies 13 and 14 are formed at positions corresponding to each other, and the bottom surfaces 13c and 14c of the convex portions 13a and 14a are in contact with each other. Furthermore, in the present embodiment, the contact portions of the bottom surfaces 13c and 14c are fixed in a manner such as adhesion or fusion. As a result, the thin plates 11 and 12 are integrated to form the intermediate member 10.
[0018]
The upper and lower surfaces of the intermediate member 10 are provided with adhesive members 81 and 82 having airtightness, and are attached to the small chambers described in the claims within the concave portions 13b and 14b of the hollow convex bodies 13 and 14, respectively. Corresponding airtight chambers 15, 15 are formed. The formation of the airtight chambers 15, that is, the airtight structure increases the rigidity, and also increases the impact absorbing function and the heat insulating effect. Furthermore, the skin materials 91 and 91 are affixed on the outer surfaces of the affixing members 81 and 82, respectively.
[0019]
The honeycomb structure board 2 according to the second embodiment shown in FIG. 2 (b) and the honeycomb structure board 3 according to the third embodiment shown in FIG. 2 (c) are also included in the first embodiment. The honeycomb structure board 1 has the same basic structure. Therefore, the same reference numerals are given to members and the like that are common to the honeycomb structure board 1 and the description thereof is omitted.
In the second embodiment, the hollow convex body 23 formed on the thin plate 21 corresponds to one hollow convex body, and the hollow convex body 24 formed on the thin plate 22 is the other hollow convex body. It corresponds to. Further, in the third embodiment, the hollow convex body 33 formed on the thin plate 31 corresponds to one hollow convex body, and the hollow convex body 34 formed on the thin plate 32 is the other hollow convex body. It corresponds to.
[0020]
In the honeycomb structured plate 2 according to the second embodiment, the outer wall surfaces of the hollow convex bodies 23 and 24 formed on the thin plates 21 and 22 have a truncated cone shape, and the outer wall surfaces are the convex portions 23a, 24a. And the intermediate member 20 is formed when the bottom surfaces 23c and 24c of this convex part 23a and 24a contact | abut and adhere. On the other hand, inside each hollow convex body 23, 24, a hollow inner wall surface whose end face is open, that is, concave portions 23b, 24b are formed. Furthermore, in order to close the openings of the recesses 23b and 24b, airtight adhesive members 81 and 82 are attached to form airtight chambers 15 and 15, respectively.
[0021]
In the honeycomb structure board 3 according to the third embodiment, the outer wall surfaces of the hollow convex bodies 33 and 34 have a cylindrical bottom surface 33c and 34c having a convex spherical surface, and the outer wall surface is a convex portion 33a. , 34a. And the intermediate member 30 is formed by making this convex part 33a, 34a contact | abut at one point, and making it adhere. On the other hand, concave portions 33b and 34b are formed in the hollow convex bodies 33 and 34, and airtight adhesive members 81 and 82 are adhered to close the openings of the concave portions 33b and 34b. Airtight chambers 15, 15 are formed.
[0022]
  As described above, the first to third embodiments have mainly described the aspects in which the shape of the hollow convex body is different. But,Hollow convex bodyIs not limited to the above-described embodiments, and the convex portions of the hollow convex bodies formed on the plurality of thin plates come into contact with each other. As a result, a desired small chamber (airtight chamber) is formed between the plurality of thin plates. Anything that is formed is sufficient. Therefore, the shape of the hollow convex body may be other shapes, for example, a semispherical shape or a prismatic shape. Further, as in each of the above-described embodiments, the positions of the hollow convex bodies formed on the plurality of thin plates do not need to correspond accurately, and may be slightly shifted from side to side, for example. Incidentally, two-dot chain lines in FIGS. 2B and 2C show a state in which the hollow convex bodies 23 and 24 and the hollow convex bodies 33 and 34 are in contact with each other while being displaced.
[0023]
FIG. 3 is a honeycomb structure board according to the fourth embodiment, in which (a) is a longitudinal sectional view and (b) is an XX sectional view of (a).
The honeycomb structure board 4 according to the fourth embodiment is an embodiment in which a plurality of concepts in the present invention are embodied. Therefore, this embodiment will be described in detail according to each concept in the present invention. Note that structures and members substantially the same as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.
[0024]
The intermediate member 40 in the honeycomb structure plate 4 also has a shape in which the thin plates 41 and 42 are brought into contact with each other and fixed together. Further, the convex portions 43a and 44a of the hollow convex bodies 43 and 44 formed on the thin plates 41 and 42 have a truncated cone shape as in the second embodiment. Furthermore, in addition to the hollow convex body 43, a plurality of sub hollow convex bodies 9,... Are formed on one thin plate 41 of the honeycomb structure board 4. The sub hollow convex bodies 9,... Are disposed between the adjacent hollow convex bodies 43,... (See FIG. 3B), and are erected with the bottom surface 9a facing the thin plate 42. .
That is, in the present embodiment, the hollow convex body 43,... And the sub hollow convex body 9,... Correspond to one hollow convex body, and the hollow convex body 44,. Corresponds to a convex body. And only the hollow convex bodies 43,..., Which are part of one hollow convex body 43,..., 9, are in contact with the other hollow convex bodies 44,.
[0025]
Therefore, when an impact is applied to the honeycomb structure plate 4, the hollow convex bodies 43,..., 44,. As this deformation progresses, the bottom surface 9a of the sub-hollow convex body 9, ... interferes with the thin plate 42, increasing rigidity and shock absorption. That is, the hollow convex body 43,... And the sub hollow convex body 9,... Are formed, and only the hollow convex body 43,. The contact is an embodiment of the first concept.
[0026]
Note that the plurality of sub-hollow convex bodies 9 according to the present embodiment all have the same shape. Therefore, if one of them is described as an example, the external shape of the sub-hollow member 9 is a cylindrical shape and is different from the shape of the hollow convex body 43. In particular, the diameter L3 of the sub hollow convex body 9 is smaller than the bottom surface diameter L1 of the convex portion 43a of the hollow convex body 43, and the gap between the adjacent hollow convex bodies 43, 43 is Arranged to fill. As a result, generation of useless space can be reduced and efficient rigidity can be enhanced.
[0027]
It has already been described that the hollow convex bodies 43 and 44 according to the present embodiment have a truncated cone shape. However, in the present embodiment, the dimensions of the hollow convex bodies 43 and 44 are different. Specifically, the bottom diameter L1 of the convex portion 43a (upper side in FIG. 3A) of one hollow convex body 43 is lower than the convex portion 44a (lower side of FIG. 3A) of the other hollow convex body 44. It is larger than the bottom surface diameter L2 of the side). That is, the dimension of one hollow convex body 43 is different from that of the other hollow convex body 44 is an embodiment that embodies the second concept.
That is, as in the present embodiment, if the size of one hollow convex body 43 and the other hollow convex body 44 is different, when an impact is applied to the honeycomb structure plate 4, one hollow convex body 43a or The hollow convex body 44a is easily deformed, and the impact absorbing effect is enhanced.
[0028]
Further, the bonding member 82 (see FIG. 2) is not attached to the outer surface of the thin plate 42 in the honeycomb structure plate 4 according to the present embodiment. Instead, the outer surface of the thin plate 42 is provided with a skin material 92 having air permeability in such a manner that it can be directly attached. In such an embodiment, the complete hermetic chamber 15 is not formed in the concave portion 44 b of the hollow convex body 44 formed in the thin plate 42. As a result, the sound absorption effect on the thin plate 42 side is improved. Note that an airtight chamber 15 is formed in the concave portion 43 b of the hollow convex body 43 formed in the thin plate 41 by sticking the sticking member 81. Therefore, rigidity is secured. That is, according to the present embodiment, the sound absorption effect that cannot be achieved with the conventional honeycomb structure plate 100 (see FIG. 10) is achieved, and the rigidity is ensured. As described above, the structure in which the air-permeable skin material 92 is directly attached to either one of the thin plates 41 and 42 is an embodiment that embodies the third concept.
[0029]
FIG. 4A is a longitudinal sectional view of a honeycomb structure board according to the fifth embodiment, and FIG. 4B is a longitudinal sectional view of the honeycomb structure board according to the sixth embodiment.
First, the honeycomb structure board 5 according to the fifth embodiment will be described in detail. Note that, in the present embodiment and the sixth embodiment to be described later, substantially the same structures and members as those in the first embodiment are denoted by the same reference numerals and detailed description thereof is omitted. .
[0030]
In the honeycomb structure board 5 according to the present embodiment, as shown in FIG. 4A, a plurality of hollow convex bodies 53 and 54 having frustoconical convex portions 53a and 54a are formed, and one hollow convex shape is formed. The body 53 and the other hollow convex body 54 have different dimensions. In addition, the plurality of formed hollow convex bodies 53,... And the other hollow convex bodies 54,... Are only part of the hollow convex bodies 53,. They are in contact with each other. In other words, in the present embodiment, the sub-hollow convex bodies 9,... (See FIG. 3) are not formed, and the hollow convex bodies 53,.・ Same effect as. By setting it as such an aspect, manufacture of the thin plate 51 which forms the hollow convex body 53 and ... becomes easy. In FIG. 4A, a thin plate that contacts the thin plate 51 and forms the intermediate member 50 is indicated by reference numeral 52.
[0031]
The honeycomb structure board 6 according to the sixth embodiment is common to the fifth embodiment in the basic structure. However, as shown in FIG. 4B, the difference is that the shape of one hollow convex body 63 and the other hollow convex body 64 are different.
The honeycomb structure board 6 has a convex portion 63a in one hollow convex body 63 having a truncated cone shape and a convex portion 64a in the other hollow convex body 64 having a cylindrical bottom surface as a convex spherical surface. That is, the present embodiment embodies the concept that the shape of one hollow convex body 63 is different from the other hollow convex body 64. In FIG. 4B, the thin plates that contact each other and form the intermediate member 60 are denoted by reference numerals 61 and 62, respectively.
[0032]
According to the sixth embodiment, as described in the fourth embodiment, when an impact is applied to the honeycomb structure plate 6, one hollow convex body 63a or hollow convex body 64a is It becomes easy to deform, and the impact absorbing effect is enhanced. Note that the concept derived from the present embodiment and the second concept described in the fourth embodiment, that is, the size and shape of one hollow convex body are the same as the dimensions of the other hollow convex body. In addition, the impact absorption effect can be enhanced by changing the shape.
[0033]
  As described above, the fourth to sixth embodiments have mainly described the aspects in which the structure of the intermediate member is different. But,Intermediate memberIs not limited to the fourth to sixth embodiments. That is, the shapes of the hollow convex bodies 13, 14, 23, 24, 33, and 34 of the intermediate members 10, 20, and 30 illustrated in the first to third embodiments are the same as those of the fourth to sixth embodiments. It can also be appropriately applied to the form. Specifically, the shape of the hollow convex body shown in the fourth and fifth embodiments is changed to the shape described in the first and third embodiments, or in the sixth embodiment. The shape of the hollow convex body shown may be the shape described in the first and third embodiments.
[0034]
FIG. 5 is a longitudinal sectional view of a honeycomb structure board according to a seventh embodiment.
Hereinafter, the honeycomb structure plate 7 according to the seventh embodiment will be described. However, substantially the same structures and members as those of the first embodiment are denoted by the same reference numerals and detailed description thereof will be omitted. To do. The intermediate member 10 of the honeycomb structure board 7 is the same intermediate member as in the first embodiment, in which the convex portions of a plurality of thin plates in which a plurality of cylindrical hollow convex bodies are arranged are brought into contact with each other. An airtight adhesive member 81 is provided on one surface of the intermediate member 10 by adhering, and a glass fiber long fiber and a plastic composite sheet 83 are provided on the other surface by adhering. A skin material 91 is attached to the outer surface of the sheet 83. As a result, an airtight chamber 15 is formed on one surface of the intermediate member, and a small chamber 15 ′ having air permeability is formed on the other surface. The composite sheet 83 is obtained by wet or dry papermaking of glass fiber long fibers and plastic powder and / or plastic fibers cut to a diameter of 5 μm to 25 μm and a length of about 5 mm to several cm. By making paper in this way, the composite sheet 83 is given air permeability and high rigidity.
[0035]
According to the seventh embodiment, a molded body having a smooth ridge line can be obtained when molded into a roof lining of an automobile. This will be described in detail with reference to FIGS. 6 (a) and 6 (b). FIG. 6A is a perspective view of a bent portion of a molded body when the honeycomb structure plate 7 according to the seventh embodiment is formed into a roof lining of an automobile, and FIG. 6B is a perspective view of the conventional structure board of the automobile. It is a perspective view of a molded object bending part at the time of shape | molding in roofing etc. In the case where automobile roofing or the like is formed with the conventional structural plate 100, the adhesive member 103 and the skin material 105 are bent along the cylinder of the intermediate member at the bent portion, so that as shown in FIG. The ridgeline 115 was zigzag-like and the appearance was impaired. On the other hand, in the honeycomb structure plate 7, since the composite sheet 83 has high rigidity in the hot state, the composite sheet 83 and the skin material 91 are bent without being affected by the cylinder 14, and are smooth as shown in FIG. A molded product with a simple ridgeline can be obtained.
Further, since the composite sheet 83 and the skin material 91 have air permeability, the sound absorption effect from the surface on the side of the small chamber 15 'having air permeability is enhanced.
Further, the honeycomb structure plate 7 has the characteristics that the size is stable compared to the conventional structure plate due to the presence of the glass fiber, and it is strong against impact and can prevent scattering due to breakage. In addition, since the composite sheet 83 is highly rigid and resistant to impact, the rigidity and impact resistance of the honeycomb structure plate can be ensured without forming an airtight chamber. Rather, the roof lining is thinned to increase the vehicle interior space. You can also
[0036]
As described above, in the seventh embodiment, the aspect in which the material of the sticking member is different has been described.
However, the present invention is not limited to the seventh embodiment. That is, the intermediate members 20, 30,... 60 exemplified in the second to sixth embodiments can be appropriately applied to the seventh embodiment. For example, as shown in FIGS. 7 and 8, composite sheets 83 and 83 are used instead of the sticking members 81 and 82 of the intermediate members in the first to third embodiments. FIG. 7 is a perspective view of the honeycomb structure plate 7a using the composite sheets 83, 83 instead of the sticking members 81, 82 of the first embodiment, and (a) shows a thin plate of the intermediate member. The separated state, (b) is a state in which the thin plates of the intermediate member are brought into contact with each other. Fig. 8 (a) is a YY cross-sectional view of the honeycomb structure plate 7a, and Fig. 8 (b) uses composite sheets 83 and 83 in place of the sticking members 81 and 82 of the second embodiment. FIG. 8C is a view corresponding to a YY sectional view of the honeycomb structure plate 7b, and FIG. 8C is a honeycomb structure using composite sheets 83, 83 instead of the sticking members 81, 82 of the third embodiment. It is a figure corresponded to the YY sectional drawing of the board 7c.
For the purpose of smoothing the ridgeline, the composite sheet 83 only needs to be provided on at least the skin material adhesion side, and may be provided on both sides as well as the skin material adhesion side, for example. Moreover, it can also be set as the structure which equips only the skin material adhesion | attachment side with the composite sheet | seat 83, and does not provide the adhesion member of the other side. On the other hand, for the purpose of preventing scattering due to destruction, the composite sheet 83 may be provided on at least one side of the intermediate member, and may be provided only on the side opposite to the skin material bonding side, for example. In the seventh embodiment, long fibers of glass fiber are used as the reinforcing material of the composite sheet 83. However, carbon fiber, metal fiber, or the like is used as long as the strength and rigidity of the sticking member 81 are improved. You can also
[0037]
The structure of each honeycomb structure plate 1, 2, 3, 4, 5, 6, 7 has been described above based on the first to seventh embodiments. Next, a method for manufacturing the honeycomb structured plate 2 according to the second embodiment will be described as an example. Incidentally, the thin plates 21 and 22 of the honeycomb structure plate 2 described here are made of polypropylene that can be easily molded and easily fused. Moreover, although the polypropylene which can perform a fusion | fusion etc. easily is used for the sticking members 81 and 82, since the moldability is not requested | required so much for this sticking member 81 and 82, the reproduction | regeneration polypropylene with low cost is used. In addition, it is desirable that the plastic powder and the plastic fiber of the sticking member 81 and the composite sheet 83 are made of the same material. In addition, a resin material, an insulator, or the like is used for the skin material 91.
[0038]
FIG. 9 is a schematic diagram showing the operation of a vacuum forming apparatus for manufacturing a honeycomb structure board. In the vacuum forming apparatus M shown in FIG. 9, the roll part M1 into which the thin plate 21 is fed and the roll part M2 into which the thin plate 22 is fed are arranged to face each other. Each roll part M1, M2 is formed with a mold part for forming the hollow convex bodies 23, 24, respectively. When the thin plate 21 and the thin plate 22 are fed into the rotating roll parts M1 and M2, heating and suction are performed, and the hollow convex bodies 23 and 24 are formed on the thin plate 21 and the thin plate 22, respectively.
[0039]
Incidentally, the hollow convex bodies 23 and 24 manufactured by the vacuum forming apparatus M have a truncated cone shape. Therefore, for example, when the hollow convex bodies 23 and 24 are continuously formed as in this production example, the hollow convex bodies 23 and 24 are easily removed from the mold portions of the roll portions M1 and M2, which is preferable. However, when continuous production is not required, for example, when forming with a mold that is spaced apart in the vertical direction, there is no need for a truncated cone shape.
[0040]
The forming positions of the mold parts formed on the roll parts M1 and M2 correspond to each other, and the bottom surfaces 23c and 24c of the hollow convex bodies 23 and 24 come into contact with the rotation of the roll parts M1 and M2, And it sends out in the state fuse | melted etc. (refer the arrow in FIG. 9). That is, the intermediate member 20 is formed by this contact and fusion.
[0041]
Further, the bonding member 81 and the skin material 91, and the bonding member 82 and the skin material 91 are bonded to the intermediate member 20, and the honeycomb structure board 2 is completed. In addition, the member shown by M3 in FIG. 9 is a T-die, and performs actions such as feeding and sticking the thin plates 21 and 22, the sticking member 81 and the skin material 91, and the like.
[0042]
  In the above, the manufacturing method was demonstrated to the case where the honeycomb structure board 2 was manufactured by vacuum forming. However, the present inventionThis is the example of the manufacturing method for vehicle roofingIt is not limited. In other words, when the material is a thermoplastic resin or a composition thereof, it is a honeycomb structure plate manufactured by another manufacturing method, for example, a honeycomb structure plate manufactured by injection molding, blow molding or the like. May be.
  In addition, the honeycomb structure plate can be made of a material such as pulp, steel, stainless steel, aluminum, an aluminum alloy, or FRP.
[0043]
Furthermore, in the formation of the intermediate member, the hollow convex bodies that are in contact with each other do not have to be fixed through means such as fusion or adhesion, and if the contact state can be maintained by other means, fixing or the like Is not necessary. For example, two thin plates forming a hollow convex body may be overlapped, surrounded by a frame or the like, and sandwiched and fixed.
[0044]
  On the other hand, use mode of honeycomb structure boardThe vehicleIt is particularly suitable for the following reasons.
  That is, when used for vehicle roofing or the like, if the honeycomb structure plate has a high rigidity, the number of attachment points to the vehicle body or the like is reduced and the workability is improved. Further, since the shock absorption is increased, damage and the like at the time of a vehicle collision can be minimized, and safety is improved. Furthermore, when used in the interior of a vehicle, there are many restrictions on the total weight of the honeycomb structure plate compared to simple building materials, and the necessity for rigidity, impact absorption, sound absorption effect, etc. is high. Therefore, it can be said that it is particularly suitable when used for interiors of vehicles and the like.
[0045]
【The invention's effect】
  The present inventionClaims 1 and 2According toVehicle roofingRigidity, shock absorption, heat insulation, etc. can be improved without increasing the weight. Also,The ridgeline of the vehicle roof lining can be smoothed.
  Moreover, according to the invention which concerns on Claim 3, the dimension etc. of one and the other hollow convex body differ, and it can anticipate that a deformation | transformation of a hollow convex body is made easy. Therefore, the impact absorbing effect is enhanced in association with the effect.
  In the invention according to claim 4, an adhesive member is provided on one surface of the intermediate member to form an airtight chamber, and a skin material having air permeability is provided on the other surface. Therefore, the sound absorption effect from the other surface is enhanced.
[Brief description of the drawings]
FIG. 1 is a perspective view of a honeycomb structure plate according to a first embodiment, in which (a) shows a state in which thin plates of an intermediate member are separated from each other, and (b) shows that thin plates of an intermediate member are brought into contact with each other. State.
2A is a WW sectional view of FIG. 1B, FIG. 2B is a second embodiment corresponding to the WW sectional view of FIG. 1B, and FIG. These are 3rd Embodiment corresponding to WW sectional drawing of FIG.1 (b).
FIG. 3 is a honeycomb structure board according to a fourth embodiment, wherein (a) is a longitudinal sectional view, and (b) is an XX sectional view of (a).
FIG. 4 (a) is a longitudinal sectional view of a honeycomb structure board according to a fifth embodiment, and FIG. 4 (b) is a longitudinal sectional view of a honeycomb structure board according to a sixth embodiment.
FIG. 5 is a longitudinal sectional view of a honeycomb structure board according to a seventh embodiment.
FIG. 6 (a) is a perspective view of a bent portion of a molded body when roof lining or the like is molded with a conventional structural board, and FIG. 6 (b) is a roof with a honeycomb structural board according to a seventh embodiment. It is a perspective view of a molded product bending portion when a lining or the like is molded.
7 is a perspective view of a honeycomb structure plate 7a using composite sheets 83, 83 instead of the sticking members 81, 82 of the first embodiment, and FIG. 7 (a) is a thin plate of an intermediate member. The state which mutually separated, (b) is the state which made the thin plates of the intermediate member contact | abut.
Fig. 8 (a) is a YY cross-sectional view of the honeycomb structure plate 7a, (b) is a view corresponding to a YY cross-sectional view of the honeycomb structure plate 7b, and Fig. 8 (c) is a view. It is a figure equivalent to the YY sectional view of honeycomb structure board 7c.
Fig. 9 is a schematic view showing the operation of a vacuum forming apparatus for manufacturing a honeycomb structure board.
FIG. 10 is a perspective view of a conventional honeycomb structure plate, where (a) shows before assembly and (b) shows after assembly.
11 is a cross-sectional view taken along the line ZZ in FIG. 10 (b).
FIG. 12 is a schematic view of a conventional vacuum forming apparatus.
[Explanation of symbols]
1, 2, 3, 4, 5, 6, 7: honeycomb structure plate
10, 20, 30, 40, 50, 60: Intermediate member
11, 21, 31, 41, 51, 61: Thin plate
12, 22, 32, 42, 52, 62: Thin plate
13, 23, 33, 43, 53, 63: One hollow convex body (hollow convex body)
13a, 23a, 33a, 43a, 53a, 63a: convex portion
14, 24, 34, 44, 54, 64: The other hollow convex body (hollow convex body)
14a, 24a, 34a, 44a, 54a, 64a: convex portions
15: Airtight room
15 ': a small chamber having air permeability
91: skin material
92: Skin material (skin material with air permeability)

Claims (4)

An intermediate member formed by forming a plurality of hollow convex bodies on each of the plurality of thin plates, and contacting the convex portions of the hollow convex bodies formed on each of the thin plates, and one or both surfaces of the intermediate member A long- cut glass fiber and a plastic powder and / or an air-permeable adhesive member made of paper by a wet process, and an inside of the hollow convex body by the provision of this adhesive member. A roof lining for a vehicle, characterized in that it has a breathable small chamber formed in the vehicle. A plurality of hollow convex bodies are formed on each of the plurality of thin plates, and the convex portions of the hollow convex bodies formed on each of the thin plates are attached to each other, and one surface of the intermediate member is provided. A gas-permeable adhesive member obtained by wet or dry papermaking of cut glass fiber and plastic powder and / or plastic fiber, and the hollow convex body provided with the air-permeable adhesive member. The inside of the hollow convex body is formed by the provision of the airtight airtight member formed on the other surface of the intermediate member, the airtight adhesive member provided on the other surface of the intermediate member, and the confidential adhesive member. A roof lining for a vehicle, characterized in that it has a hermetic chamber. Among the plurality of hollow convex-shaped body formed in each of the plurality of thin plates, the roof for a vehicle according to claim 1 or claim 2, characterized in that only a portion of the hollow convex bodies are brought into contact with each other Lining . The dimension or shape of one hollow convex body formed in each said thin plate, or both are different from the other hollow convex body, The any one of Claims 1-3 characterized by the above-mentioned. Vehicle roofing .

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