JP2632111B2 - Tatami edge cloth folding device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a tatami manufacturing process, in which a sewn cloth and a sewn paper fixed on a tatami floor through a tatami mat are sewn along a flat sewn seam.
The present invention relates to an edge cloth folding device for folding an edge cloth upside down and further folding the edge cloth downward about 90 degrees along the edge of the tatami floor.

[0002]

2. Description of the Related Art In a tatami mat, a tatami mat is placed on a tatami mat floor, and both ends of the tatami mat are sewn to a kamachi on the tatami mat floor. Then, the edge cloth and the edge paper are folded back 180 degrees along the flat sewn seam to expose the edge cloth, and then the edge cloth and the edge paper are moved outward from the edge of the tatami floor. The protruding part is bent downward about 90 degrees along the edge of the tatami floor, and then the part where the longitudinal edges of the rim cloth and the lower edge paper protrude from the tatami floor couch is bent downward. It is manufactured by fixing the corner cloth to the end of the tatami floor at the end of the machichi, and further fixing the edge cloth and the lower edge paper that overlap the side of the tatami floor with back stitching.
The folding of the edge cloth and the lower edge paper fixed by the above-mentioned flat stab was performed manually.

[0003]

Conventionally, an edge cloth and an underlay paper fixed to the tatami floor by flat stab are folded back 180 degrees along the flat sewn seam, and further downward along the edge of the tatami floor. 9
Since the work of bending by 0 degrees was performed manually, human labor was required for that. The present invention provides a tatami edge cloth folding apparatus capable of automatically performing 180-degree folding and 90-degree edge bending of the edge cloth and the lower edge paper by mechanical force.

[0004]

According to the present invention, there is provided a tatami floor supporting table for supporting a tatami floor on which a rim cloth 12 and an underlaying paper are fixed by stabbing. (Not shown) above and below the tatami floor 10 in the longitudinal direction and in opposite directions to each other.
And the second traveling platform 40, 40 are vertically arranged side by side, and are formed below the first traveling platform 21 so as to be able to advance and retreat in the width direction along the tatami table 11 on the tatami floor 10, and outward in the width direction. When proceeding, the edge cloth 12 enters the lower side of the edge cloth 12 to scoop up the edge cloth and the lower edge paper, and the edge cloth folding plate 31 that can be folded 180 degrees outward from the upper surface of the tatami table 11 is provided. It is formed on the lower side of the traveling platform 40 so as to be able to advance and retreat in the width direction and to be able to move up and down, and when moving outward in the width direction, it rolls while pressing against the upper surface of the edge cloth 12 folded by the edge cloth folding plate 31. Move the edge cloth 12 downward along the edge of the tatami floor 10 by about 90
An edge bending roller 52 that can be bent repeatedly is provided.

[0005]

The tatami floor 10 on which the hem cloth 12 and the lower rim paper are fixed by flat stabbing is fixed on a tatami floor support base, and a pair of front and rear first running members are disposed at the center of the tatami floor 10 in the longitudinal direction. Pedestals 21 and 21 are located close to each other, and a pair of front and rear second traveling
0, 40 are located close to each other. Next, when the edge cloth folded plate 31 on the lower side of the first traveling platform 21 is slid outward in the width direction along the tatami table 11, the edge cloth folded plate 31 scoops up the edge cloth 12 from the surface of the tatami table 11. 18 outward
Bend 0 degrees. Thereafter, a pair of front and rear first traveling platforms 21
Are run in opposite directions, the edge cloth 12 and the lower edge paper are folded 180 degrees over the entire length.

When the pair of front and rear first traveling bases 21 and 21 starts traveling in opposite directions, and the distance between them increases, the edge bending rollers 52 of the pair of front and rear second traveling bases 40 and 40 are lowered to remove the edge cloth. 12 and then the edge bending rollers 52
Is slid outward in the width direction, the moment the edge bending roller 52 crosses the edge of the tatami floor 10, the edge cloth 12 and the lower edge paper are bent downward by about 90 degrees by the downward urging force of the folding roller 52. Can be By running the pair of front and rear second traveling tables 40 and 40 in opposite directions, the edge cloth 12 and the lower edge paper are bent at 90 degrees over the entire length. In addition, the underlined paper can be bonded to the edge cloth 12 in advance.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 1, 10 is a tatami floor, 11 is a tatami table, 1
Reference numeral 2 denotes an edge cloth on which margin paper is stacked, and 13 denotes a flat stab thread. The tatami floor 10 is fixed on a tatami floor support base (not shown) which can be raised and lowered, and then has a height as shown in the figure. It is pushed up. An upper frame 15 parallel to the length of the tatami floor 10 is installed above the tatami floor support base, and a pair of front and rear parts, namely, a first and a second pair of front and rear sides and a back side of the paper are provided below the upper frame 15. Traveling platforms 21 are provided, and a pair of front and rear second traveling platforms 4 is provided outside the upper frame 15 in the width direction.
0 and 40 are provided. However, FIG. 1 shows the first traveling platform 21 and the second traveling platform 40 located on the paper back side.

[0008] The first traveling platform 21 includes an upper frame 1
5 is suspended from an overrail (not shown) fixed above, and can run in a direction perpendicular to the plane of the drawing. A sliding block 22 fixed to the upper right side of the upper surface of the first traveling stand 21 includes an upper frame. A pair of upper and lower wheels 24, 24 fitted on the first guide rail 16 in the length direction fixed to the lower surface of the upper frame 15 and attached via the bracket 23 on the upper surface of the first traveling platform 21 on the left side, are horizontally located at the lower end of the upper frame 15. The flange is sandwiched. A transmission chain 17 extending along the length of the upper frame 15 is connected to the projection 25 fixed to the upper end of the bracket 23, and the driving of the transmission chain 17 causes the first traveling platform 21 to be perpendicular to the paper surface. Traveling in different directions.

A sliding guide rail 26 in the width direction is fixed to the lower surface of the first traveling platform 21.
A pair of front and rear push plates 29, 29 (see FIG. 2) (see FIG. 2) are fixed to a sliding block 27, which is slidably fitted to 6, via a horizontal upper plate 28 in a hanging manner. . One end of a widthwise sliding air cylinder 36 disposed below the sliding guide rail 26 on the paper back side protrudes from the lower surface of the widthwise inner end (left end in FIG. 1) of the first traveling platform 21. The distal end of the piston rod 37 is connected to a metal fitting 38 (see FIG. 2) protruding from the widthwise outer end of the push plate 29 on the paper back side to the paper back side. The push plate 2 is operated by the operation of the air cylinder 36.
9 advances and retreats in the width direction.

The push plate 29 has a trapezoidal shape that is long in the width direction of the tatami floor 10, and has an inclined portion whose outer edge in the width direction is inclined at an angle of 45 degrees with respect to the surface of the lower tatami table 11. A portion of the lower side of the pair of front and rear push plates 29, 29 close to the inclined portions 29a, 29a is a lower plate 30.
Connected by And the front and rear inclined portions 29a, 29
The lower end of a square edge cloth folded plate 31 is swingably mounted between the lower ends of a and a projection 32 fixed inside the upper end of the edge cloth folded plate 31 is housed between the front and rear push plates 29, 29. Piston rod 34 of folded air cylinder 33
The protrusion of the piston rod 34 causes the edge cloth folded plate 31 to rotate clockwise by about 135 degrees (FIG. 4).
reference).

In FIG. 1, a second traveling platform 40 is plate-shaped along the vertical plane, and has an upper horizontal portion 41 and a lower horizontal portion 41 which are bent upward and downward of the upper frame 15 at an upper end and a lower end, respectively. It has a horizontal portion 42 and is formed to be suspended from an overrail (not shown) fixed above the upper frame 15 so as to be able to travel in a direction perpendicular to the paper surface. The sliding block 43 fixed to the lower surface of the upper horizontal portion 41 is fitted to the second guide rail 18 fixed to the upper surface of the upper frame 15, and the lower horizontal portion 42
Left and right wheels 44, 44 attached to the upper surface of the upper frame 15 rotatably sandwich the third guide rail 19 projecting from the lower surface of the upper frame 15. The second transmission chain 20 stretched along the length direction of the upper frame 15 is connected to the protrusion 45 fixed to the inner surface of the second traveling platform 40, and the second traveling chain 20 is driven to drive the second traveling chain 20. The table 40 runs in a direction perpendicular to the plane of the drawing.

An advancing / retracting air cylinder 46 is horizontally fixed to the outer surface of the second traveling platform 40, and a lifting / lowering air cylinder 48 is vertically secured to a distal end of a piston rod extending in the width direction via a cylinder table 47. An elevating table 49 is fixed to the tip of the downward piston rod. A bending lever 51 is attached to a downward bracket 50 fixed to the lower surface of the elevating platform 49 so as to swing substantially horizontally and swingably with its chevron-shaped bent portion facing outward. A bending roller 52 is attached, a tip of a downward piston rod 54 of an upper edge bending air cylinder 53 is connected to an inner end of the bending lever 51, and an upper end of the edge bending air cylinder 53 is placed on the lift 49. It is connected to the bracket 55 that is protruded.

In the above structure, a pair of front and rear first and second traveling platforms 21 and 21 and 40 and 40 are located above the central portion of the tatami floor 10 in the longitudinal direction. At this time, on the tatami floor 10, as shown in FIG. 2, two sets of front and rear two sets of push plates 29 are arranged close to each other in the front and rear, and a pair of front and rear (two) edges are located above the push plates 29. The bending rollers 52 are arranged close to each other in front and rear. Further, the piston rod 37 of the sliding air cylinder 36 on the lower surface of the first traveling platform 21 is retracted, and the push plate 29 (see FIG. 3) is fixed on the tatami floor 10 through the tatami mat 11 by flat stab. The edge cloth 12 is located on the inner side in the width direction.

Next, when the sliding air cylinder 36 is operated to project the piston rod 37, as shown in FIG. 1, the lower end of the inclined portion 29a of the push plate 29 and the lower end of the folded back plate 31 are moved to the edge cloth. When the lower edge of the inclined portion 29a reaches the sewing portion of the edge cloth 12 with the flat stab thread 13, the advancement of the push plate 29 is stopped. When the turning air cylinder 33 is operated and the piston rod 34 projects, the edge cloth 12 is turned 180 degrees as shown in FIG.
Thereafter, when the first transmission chain 17 is driven to drive the front and rear first traveling platforms 21 and 21 in opposite directions,
The entire length of the edge cloth 12 is folded back.

In FIG. 2, two sets of push plates 29, 2
When the space 9 is formed on the tatami floor 10 below the edge bending roller 52 by traveling in the opposite direction, the elevating air cylinder 48 of the second traveling platform 40 in FIG. Then, the edge bending roller 52 is brought into contact with the tatami table 11 and then the air cylinder 46 for operation is advanced to move the elevator 49 outward in the width direction, and the air cylinder 53 for edge bending is operated to move the piston rod 54 thereof. When the edge bending roller 52 is urged downward by retracting, the edge bending roller 52 rolls in the width direction while pressing the edge cloth 12 downward as shown in FIG. Can be bent almost at right angles along the corners. And, the second traveling platform 40, 40
Are run in opposite directions, the edge cloth 12 is bent over the entire length.

[0016]

As described above, the present invention comprises a pair of front and rear first and second traveling bases which run in opposite directions above a tatami floor support base, and the first traveling base is provided with an edge folded plate. To
Further, since the second traveling platform is provided with an edge bending roller, the tatami floor on which the edge cloth and the lower edge paper are fixed by flat stabbing is fixed on the tatami floor support table, and the length of the tatami floor is fixed. A pair of front and rear first carriages are located close to each other at the center in the vertical direction,
And, after the pair of front and rear second carriages are positioned close to each other, the edge cloth is slid outwardly in the width direction along the tatami mat along the tatami mat, thereby moving the rim cloth from the surface of the tatami mat. It can be scooped up and bent 180 degrees, and then the pair of front and rear first traveling tables can be run in opposite directions to fold the edge cloth and the lower margin paper 180 degrees over the entire length.

When the distance between the pair of front and rear first traveling tables is widened, each edge bending roller of the pair of front and rear second traveling tables is lowered to be pressed against the edge cloth, and then the edge bending rollers are moved in width. When the edge bending roller crosses the edge of the tatami floor, the edge cloth and the edge paper are bent downward by about 90 degrees by the downward urging force of the folding roller, and then the pair of front and rear sides are slid. By running the second carriages in opposite directions, it is possible to fold the edge cloth and the submerged paper by about 90 degrees over the entire length. In addition, since the front and rear pair of the first traveling platform and the second traveling platform travel in opposite directions, the tension applied to the edge cloth is balanced by the edge cloth turning plate and the edge bending roller traveling in the length direction of the edge cloth. And the edge cloth 1
The folding of 80 degrees and the bending of 90 degrees are performed smoothly and in a short time.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of an embodiment.

FIG. 2 is an explanatory diagram showing a relationship between a pressing plate and an edge bending roller arranged in front and rear.

FIG. 3 is a diagram showing the relationship between the pressing plate and the edge cloth before the start of folding.

FIG. 4 is a diagram showing the relationship between the pressing plate and the edge cloth at the end of folding.

FIG. 5 is an explanatory view of the operation of the edge bending roller.

[Explanation of symbols]

10: Tatami mat floor, 11: Tatami mat, 12: Edge cloth with margin paper adhered, 13: Plain thread, 15: Upper frame, 17, 2
0: transmission chain, 21: first traveling platform, 29: push plate, 31: folded edge folded plate, 33: folded air cylinder, 36: sliding air cylinder, 40: second traveling platform, 4
6: Air cylinder for forward / backward movement, 48: Air cylinder for vertical movement,
52: Edge bending roller, 53: Edge bending air cylinder.

Claims (1)

(57) [Claims] 1. A pair of front and rear running on a tatami floor support base for supporting a tatami floor on which a rim cloth and a lower margin paper are fixed by stabbing in the longitudinal direction of the tatami floor and in opposite directions to each other. When the first traveling platform and the second traveling platform are arranged side by side vertically, the first traveling platform is formed under the first traveling platform so as to be able to advance and retreat in the width direction along the tatami mat on the tatami floor, and when traveling outward in the width direction. , The edge cloth and the lower edge paper are scooped up and scooped up, and an edge cloth turnover plate which can be turned 180 degrees outward from the upper surface of the tatami mat is provided. When moving outward in the width direction, it rolls while pressing against the upper surface of the edge cloth folded by the edge cloth folding plate to fold the edge cloth. An edge of a tatami mat provided with an edge bending roller capable of being bent downward by about 90 degrees along an edge of a floor. Cloth bending device.