JP3156229B2 - Tatami floors and tatami floor manufacturing equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tatami floor made of paper base material, especially corrugated paper, and an apparatus for producing the tatami floor.

[0002]

2. Description of the Related Art Conventionally, tatami floors were generally made by clamping rice straw and suturing the rice straw. However, with the recent mechanization of agriculture, it has become difficult to secure rice straw and replace rice straw. Development of tatami floors using core materials is underway. As the core material in place of rice straw, polystyrene foam, also has is used cardboard, nor any are manufactured by hand.

[0003]

Meanwhile [0008], Tatamiyuka with core material in place of the rice straw has the disadvantage as described below, improvements have been sought. First those using polystyrene foam, local compression strength, the basic performance such as weight, there are those superior in residential properties, baked after use for many years
If incinerated , the incinerator will be damaged and toxic gas will be generated, so it cannot be incinerated and must be dismantled separately. In the case of using cardboard, disposal is easy, but the strength as a tatami floor cannot be satisfied. Furthermore, when the tatami mat is put on the tatami mat (sewn), the tatami mat is temporarily curved and the reaction force is used to prevent wrinkles from being formed on the tatami mat. The drawback is that the appearance of the wrinkles on the tatami surface is worse. Further, since the tatami floor is entirely made by hand, there is a problem that the working efficiency is low and the cost is high.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the conventional type. The first object of the present invention is to provide a good sewability of the tatami mat, good laying, soundproofing, treading, and feel. An object of the present invention is to provide a tatami floor that is excellent in both cases and does not require special consideration for disposal after use. Another object of the present invention is to provide an apparatus for manufacturing the tatami floor automatically and mechanically.

[0005]

In order to achieve the above object , the present invention provides a tatami floor core made of corrugated paperboard and a tatami mat.
A tatami floor comprising an edge material formed at an end of a core material corresponding to a short side of the floor , and a reinforcement material and an insulation board adhered to upper and lower surfaces of the core material and the edge material; pitch 15mm a basis 300g / m ² ~650g / m ² of paperboard
25 mm, molded waveform wave height 15mm~30mm
It is paper, and the edge material is formed integrally with the core material, and the pitch is 6 mm or more.
Corrugated paper molded to 7mm, wave height 15mm-30mm
And the reinforcing material is a paperboard of 330 g / m ² or more. In addition, a device for manufacturing a tatami floor is formed by folding a paperboard into a corrugated shape to form a core material of the tatami floor.
Folding mechanism and reinforcement on the upper and lower surfaces of the folded corrugated paper core
Bonding mechanism for bonding materials and insulation boards
Consists of The folding mechanism sequentially moves the paperboard up and down
A pair of fold blades that fold into the corrugation and the folded corrugated paper
And a cutter for cutting into lengths. Contact
A mounting mechanism, a rail arranged downstream of the cutter,
A press plate that can be raised and lowered at the center of the rail, and a press plate
Glue rolls attached to the left and right of
For bonding reinforcements and insulation boards
On the top adhesive table, on the side adjacent to the cutter
On the rail between the lower end of the press plate and one end of the
An upper surface adhesive table freely placed and a lower surface of the core material
For bonding reinforcement and insulation board to
Under the adhesive table, press from the other end of the rail
Lower surface slidably mounted on rails between lower boards
Consisting of an adhesive table and

In the tatami floor of the present invention, the core material is corrugated paper and has excellent strength and elasticity. Therefore, even when the tatami mat is bent during sewing, the tatami mat does not collapse, so that the tatami mat has no wrinkles and looks good. You can get a good tatami mat. In addition, since corrugated paper is used as the core material, air permeability is good, and it is lightweight and does not generate mold. The tatami floor manufacturing equipment has a simple structure and good operability.
It is possible to manufacture tatami floors continuously, which can contribute to cost reduction of products.

[0007]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a tatami floor according to the present invention. FIG. 1 is a partially broken perspective view of the tatami floor of the present invention.
FIG. 2 is a sectional view. Tatamiyuka 1 consists of a wave-shaped paperboard
Tatami floor core 2 and the end of the core at the short side of this tatami floor
Material 11 and 11 and the upper and lower surfaces of the core material and the material
4a, 4b and insulation board adhered to
5a and 5b. The core material basis weight 300g / m ² ~650g / m ² paperboard pitch 20m
m, corrugated paper molded to a wave height of 25 mm , the edge material is core
6mm-7mm pitch, wave height 15
It is corrugated paper molded to a size of 30 mm to 30 mm , and the reinforcing material is a paperboard of 330 g / m ² or more. The length of the core 2 is 1520 mm, the width is 910 mm, and the length of the rim 3 is 150 mm, and the total length including the core 2 and the rims 11 is 1820 mm. However, the total length, width, height and the like are not limited thereto.
Edge materials 11 and 11 integrally formed on the short side of the core material 2 are each
Pitch 6,5mm, wave height 25m from end to center
23 m (pitch) is formed with a width of about 150 mm
ing. The reinforcing members 4a and 4b are paperboards each having a size of 330 g / m ² or more, and the thickness of the upper insulation board 5a is 15 mm, and the lower insulation board 5b is
Has a thickness of 10 mm, and the entire tatami floor has a thickness of 50 mm. The upper surface of the tatami floor 1 suturing tatami mat 6, but when the sewn, is slightly curved Tatamiyuka 1 in the longitudinal direction, so as not to depend wrinkled tatami mat 6 by utilizing the reaction force. In this embodiment, the corrugated paper is used for the core 2, so that the core 2 can be freely expanded and contracted during bending, so that the core 2 and the entire tatami floor 1 are not crushed. In the embodiment, the core 2 is
The pitch of the corrugated paper was set at 20 mm and the wave height was set at 25 mm. However , the present invention is not limited to this.
5 mm and the wave height may be within 15-30 mm. Also <br/>, impregnated insect, a fungicide in the core material 2, it is also possible to keep the coating.

Next, an apparatus for manufacturing a tatami floor according to the present invention will be described. FIG. 3 is a schematic side view showing an apparatus 20 of the present invention, and a folding mechanism 21 for folding corrugated paper as a core material of a tatami floor,
The main mechanism is the bonding mechanism 22 for bonding the reinforcing material and the insulation board to the core material.

(Folding Mechanism) The folding mechanism 21 includes a folding blade 24 for folding a rolled base paper 23 into a waveform, a heater 25 for heating and shaping the rolled base paper 23, and a cutter 26 for cutting into a predetermined length. It is configured.

[0010] The folding blade 24 is a base paper 2 wound in a roll shape.
3 is drawn out, folded into a waveform, and transferred to the heater 25 side. The folding blade 24 is a pair of upper and lower blades 2, as shown in FIG. 4
4a and 24b, each of which incorporates a vertical slide means and a swing means. First, the vertical sliding means will be described. Gears 28 and 29 having the same diameter are arranged vertically above and below a table 27, and these gears 28 and 29 are arranged.
A central gear 30 having the same diameter is supported in the middle of
8, 29 and 30 are connected, and the lower gear 28 is connected to the motor M to form a drive gear. A positive cam 32 having a lacrimation-shaped groove 31 is attached to the central gear 30, and swing arms 33 and 34 are supported on the top and lower sides of the cam groove 31 by using pins 35 and 36, respectively. Folding blades 24a, 24b are attached to the ends of the swing arms 33, 34, respectively, and the free ends are held by springs 39, 40 spanning frames 37, 38. When the central gear 30 rotates, The swing arms 33 and 34 pinned in the grooves according to the locus of the grooves 31 of the positive cam 32 attached to the gears,
a and 24b slide up and down. Next, the swing means will be described. Plate gears 41, 42 each having a partially circular shape and having concave portions 41a, 42a on the outer periphery are attached to the gears 28, 29, respectively. The horizontal slide plate 4 is provided on the plate cams 41 and 42.
The cam follower pins 45 and 46 erected at 3 and 44 are in contact with each other, and the horizontal slide plates 43 and 44 slide left and right by the rotation of the cams 41 and 42. Swing arms 33, 34 are attached to the horizontal slide plates 43, 44 by pins 4.
7 and 48, the horizontal slide plate 4
The swing arm 33, 34
As a result, the folding blades 24a and 24b swing right and left.

The heater 25 is for dewatering and forming the base paper 23 folded into a waveform by the folding blade 24.
Is located downstream of. That is, the heater 25 includes the heater 25 on the lower side of the table 27 and the heater guide 49 arranged on the upper surface side. Cutter 26 is for cutting the formed shape base paper by the heater 25 is folded into the waveform to a predetermined length, and in conjunction with the folding blade 24, the folding signals by counting the detector a predetermined operating cycle of the blade 24 Is sent, the cutter 26 cuts the base paper. Note that in FIG.
0 is a weight disposed downstream of the heater guide 49.
This adjusts the balance in the width direction of the formed base paper.

(Adhesion Mechanism) The adhesion mechanism 22 is a frame 3
7, an upper surface adhesive table 52, a lower surface adhesive table 53 placed on the left and right sides of a rail 51 laid thereon, a press plate 54 disposed on the upper surface of the central portion, and glue rolls 55, 56 attached to the left and right across the press plate 54. It is composed of

[0013] upper surface adhesion table 52 slide guide 57 is attached to the lower surface, which placed on the rail 51, the table 52 is adapted to slide to the left and right I along the rail 51. On the other hand, a large number of pitch plates 58 are mounted on the upper surface of the table 52 for keeping the waveform pitch of the corrugated paper at a predetermined interval (FIG. 5) .

A slide guide 59 is attached to the lower surface of the lower surface adhesive table 53, and the table 53 slides right and left on the upper surface of the rail 51 via the slide guide 59. The press plate 54 is arranged on the upper surface of the central part of the rail 51, and the press plate 54 can be moved up and down by the operation of air cylinders 60 disposed on the left and right sides of the press plate. Gluing rolls 55, 5
Numeral 6 is for applying adhesive for gluing to the top of the corrugated paper placed on each of the tables 52 and 53, and is provided one each on the left and right sides with a press plate 54 interposed therebetween.

[0015] To describe the operation of the apparatus 20 of the embodiment of the previous SL configuration. The base paper 23 wound in a roll shape is guided into the folding mechanism 21 via guide rollers. When the motor M of the folding mechanism 21 is rotated, this rotation is
8, transmitted to the central gear 30 and the gear 29, and these gears rotate in the directions of the arrows in FIG. 5, respectively. The upper and lower folding blades 24a and 24b disposed on the folding mechanism 21 are attached to swing arms 33 and 34, respectively, and these arms are interlocked with the movement of the positive cam 32 and the plate cams 41 and 42 disposed on the gears. I do. That is, by the rotation of the central gear 30, the swing arms 33 and 34 follow the shape of the groove 31 of the positive cam 32, and first descend downward so that the upper folding blade 24a presses the base paper 23. At this time, the plate cams 41 and 42 attached to the gears 28 and 29 also rotate at the same time, and in particular, the cam follower pin 46 comes out of the recess 42a of the plate cam 42 attached to the upper gear 29, so that the horizontal slide plate 4
4 slides as shown by the arrow in FIG. 5, whereby the upper folding blade 24a attached to the swing arm 34 swings rightward as shown in FIG. 6 to avoid interference with the lower folding blade 24b. Thus, the upper and lower folding blades 24a, 24b
Are not interfered with each other by the vertical movement means and the swing means by the positive cam 32, the plate cams 41 and 42,
Fig. 6 (A) (B) (C) (D)
Motion by the web 23 a predetermined pitch (E), folding the waveform wave height, the infeed to the heater 25 of the next step, formed shape by adding 145-150 ° C. of heat wave paper. Forming the shape of the finished waveform paper 100 in conjunction with the folding blade 24, folding a predetermined operating cycle of the blade 24 by counting the detector sends a signal, is cut to length with a cutter 26 which receives the. The corrugated paper 100 cut to a predetermined length is attached to the bonding mechanism 22 in the next step.
Thus, the reinforcing members 4a and 4b and the insulation boards 5a and 5b are bonded to the upper and lower surfaces.

In the bonding mechanism 22, the corrugated paper is placed on the pitch plate 58 of the upper table 52 to adjust the corrugated pitch. Next, the glue roll 55 is lowered and the upper surface table 52 is
While moving to the right in FIG. 3 , glue is adhered to each crest of the corrugated paper 100 . The glued corrugated paper 100 is once moved to the original position together with the table 52, and at this time, an insulation board 5a on which a reinforcing material 4a is previously attached is placed on the upper surface of the corrugated paper 100. The corrugated paper 100 on which the insulation board 5a is placed is further placed on the table 5
The two pieces are moved to the lower surface of the press plate 54, and the press plate 54 is lowered by the operation of the air cylinder 60 attached to the press plate 54 to press the board 5a against the board. In this way,
Ri Except for preparative waveform paper 100 adhered to the top surface boards from the top surface adhesion table 52, boards 5a contact Since a bottom board adhesive
The attached corrugated paper 100 is inverted and placed on the lower surface adhesive table 53 with the unadhered corrugated surface facing up. Next, the gluing roll 56 is lowered to glue the corrugated surface on the core material side while moving the table 53 in the direction of the press plate 54, and then the table 53 is returned to the original position (FIG. 3). Then, the insulation board 5a to which the reinforcing material 4a is attached in advance is placed on the corrugated surface, and the table 53 and the table 53 are moved again to the lower surface of the press plate 54, and the air cylinder 60 is operated to supplement the board .
The strong material 4b is pressed against the corrugated surface. When the crimping is completed, the table 53 is further moved to the original position, and the reinforcing members 4a and 4b , the insulation boards 5a and 5b
The corrugated paper 100 (core material ) to which is adhered is taken out to obtain a finished product of a tatami floor.

[0017]

According to the present invention, the strength for the core material and the edge material is a tatami floor formed integrally of <br/> waveform paper, excellent elasticity, a tatami floor during suturing of tatami mat It does not collapse even when bent. Therefore, a good-looking tatami mat can be obtained without wrinkles on the tatami mat table. In addition, it is well-ventilated, hardly generates mold and mites, and is lightweight and easy to handle. Furthermore, a possible incinerated after use, it does not require special consideration at the time of disposal. In addition, the present invention
The tatami floor manufacturing equipment of the tatami floor
Folding mechanism that forms
Bonding reinforcement and insulation board to the surface
Since the tatami floor is constituted by the attaching mechanism , the tatami floor can be manufactured automatically and continuously with a simple structure and good operability, and the manufacturing cost of the tatami floor can be greatly reduced.

[Brief description of the drawings]

FIG. 1 is a partially cutaway perspective view of a tatami floor according to the present invention.

FIG. 2 is an enlarged vertical cross-sectional view of the tatami floor.

FIG. 3 is a side view schematically showing the tatami floor manufacturing apparatus of the present invention.

FIG. 4 is an enlarged side view of the folding mechanism in FIG . 3 ;

FIG. 5 is a partially omitted side view showing the bonding table.

FIG. 6 is a side view showing a folded state of the paperboard, and FIG.
State upper folding blade begins to move in the horizontal and downward direction, (B) a state where the upper <br/> folding blade is lowered to the side of the lower folding blades, the (C) is lower <br/> folding blade Lower the lower edge of the upper folding blade while lowering it.
(D) is a state in which the lower folding blade is moved sideways and
(E) with the lower folding blade further up
It is a figure showing the state where it moved to the direction .

[Explanation of symbols]

1, 10 tatami floors 2 cores
3, 11 Edge material 4a, 4b Reinforcement material 5a, 5b Insulation board 6 Tatami table 20 Tatami floor manufacturing device 21 Folding mechanism 22 Adhesion mechanism 23 Base paper 24, 24a, 24
b Folding blade 25 Heater 26 Cutter
27 Table 8, 29 Gear 30 Central gear 31 Groove
32 Positive cam 3, 34 Swing arm 35, 36,
47, 48 pins 37, 38 Frames 37, 38
Frames 41, 42 Plate cams 43, 44
Horizontal slide plate 45, 46 Cam follower pin 48 Heater guide 50 Weight 51 Rail 52
Upper surface bonding table 53 Lower surface bonding table 54 Press plate 55, 56 Gluing rolls 57, 59
Slide guide 58 Pitch plate 60 Air cylinder

──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model Hei 6-18534 (JP, U) Japanese Utility Model Hei 4-47038 (JP, U) Japanese Utility Model Hei 4-16228 (JP, U) (58) Survey Field (Int.Cl. ⁷ , DB name) E04F 15/02 102 B32B 1/00-35/00 D21F 11/12 B31F 1/00-7/02

Claims (2)

(57) [Claims] 1. A tatami floor core made of corrugated paperboard, and the tatami mat
A tatami floor comprising an edge material formed at an end of a core material corresponding to a short side of the floor , a reinforcement material and an insulation board adhered to upper and lower surfaces of the core material and the edge material, wherein the core material is made of rice. basis 300g / m ² ~650g / m ² paperboard of <br/> pitch 15 mm to 25 mm, wave height 15mm~30mm
Corrugated paper, the edge material is formed integrally with the core material
Pitch 6mm ~ 7mm, wave height 15mm ~ 30mm
It is shaped corrugated paper and the reinforcing material is 330g / m2
A tatami floor characterized by ^two or more paperboards. 2. The core of the tatami floor is formed by folding the paperboard into a wave shape.
Forming fold mechanism and on the upper and lower surfaces of the folded corrugated paper core
Bonding machine for bonding reinforcement and insulation board
The folding mechanism sequentially folds the paperboard into a waveform by vertical movement.
A pair of folding blades and cut the folded corrugated paper to a predetermined length
And a bonding mechanism , wherein the bonding mechanism is a laser disposed downstream of the cutter.
And a press plate that can be raised and lowered in the center of the rail,
Glue rolls attached to the left and right sides of the
Glue reinforcement and insulation board on top
Top adhesive table for the next to the cutter
On the rail between one end of the side rail and the lower part of the press plate.
An upper surface adhesive table placed freely for riding and the core material
Glue the reinforcement and insulation board to the underside of the
From the other end of the rail
It is slidably mounted on the rail between the lower part of the press plate
Was and a lower surface adhesion table, tatami floor of the manufacturing apparatus.