JP4164531B1 - Tatami folding machine for attaching to tatami stitching equipment - Google Patents

Abstract

The present invention provides a tatami surface folding machine that can be applied to a large tatami mat having a size of half or more, saves labor, and folds the tatami mat linearly so as to eliminate swelling of the tatami mat.
A tatami mat bend attached to a tatami mating device, comprising: a platform for placing a tatami floor; a tatami tightening means for pressing the tatami mat on the platform; and a sewing machine for sewing a tatami mat to the tatami floor. A lower surface bending means 2 disposed on the upper surface of the mounting base and attached to the frame 5 of the mounting base; and an upper surface pressing means 3 attached to the lower surface of the tatami pressing means for pressing the tatami surface. The lower surface bending means 2 has a bendable member 8 which is rotatable at the end.
[Selection] Figure 1

Description

  The present invention relates to a tatami mat folding machine attached to a tatami stitching apparatus, and more particularly to a tatami mat folding machine using a tatami stitching apparatus for folding a tatami mat for edgeless tatami mats.

  Recently, demand for edgeless tatami mats has increased, and mechanization and labor saving of work in the production of edgeless tatami mats have been promoted. As an example, there is known a tatami mat folding machine that is used only for folding a tatami mat, separately from the tatami sewing apparatus. The tatami mat folding machine, which is different from the tatami stitching apparatus, requires an installation place for it, and the processed tatami mat has to be transported to the tatami mating apparatus, which is labor intensive. Moreover, it is expensive because it is a separate device from the tatami sewing device.

  Therefore, as a configuration in which a set of tatami mat folding machines and tatami stitching devices are allocated and arranged, the tatami mat with a folding function can be used to save the installation space, reliably eliminate the bulge of the tatami mat, and sew the rimless tatami mat. A bending sewing apparatus has been proposed (for example, Patent Document 1).

The tatami mat folding and sewing apparatus of Patent Document 1 includes a table on which a tatami floor covered with a tatami mat is placed, a tatami mat folding machine that folds and holds the tatami mat on the front or lower front of the tatami floor, And a sewing machine that moves along the lower front. And the tatami surface folding machine holds the surplus of the tatami mat that protrudes from the upper front or lower front of the tatami mat placed on the table and pulls it in the direction away from the tatami mat floor to make the tatami mat tension, and And a presser part that presses the tatami mat in a tensioned state against the tatami floor and places the tatami mat in a tension-holding state. Further, the tatami surface folding machine includes a bending portion that folds the surplus of the tatami table protruding from the upper front or lower front of the tatami table in the tension-holding state from above to the upper front or lower front to bring the tatami table into a bent holding state. Prepare. And the tatami mat which was made into the bending maintenance state by the bending part of the tatami mat folding machine with a sewing machine is sewn on the front or lower front of the tatami floor.
The tatami mat folding machine of the tatami mat folding and sewing device of Patent Document 1 includes a pulling portion, a presser portion, and a folding portion, so that it is very functional and easy to use and can eliminate the swelling of the tatami mat.

JP 2005-139727 A

  However, the tatami mat folding machine of the tatami mat folding and sewing apparatus of Patent Document 1 has many mechanical functions such as having a pulling section, a pressing section, and a folding section, so that the apparatus becomes more complicated. It became large and expensive.

  The present invention has been made in view of the above-described problems, and can be applied to a large tatami mat having a size of half or more, saving labor, and bending the tatami mat linearly to eliminate the swelling of the tatami mat. An object of the present invention is to provide a tatami mat folding machine that can be attached to a tatami stitching device.

In order to achieve the above-described object, the tatami surface folding machine of the invention according to claim 1 is a platform (22) formed by a frame (5) for placing a tatami floor, and a platform (22). Tatami tightening device (24) including an arm (6) for pressing the tatami floor placed on the tatami floor, and a sewing machine (20) for sewing a tatami mat on the tatami floor ( 4) A tatami mat folding machine (1) removably attached to the frame (5), removably attached to the frame (5), and rotatable to a rectangular main body (7) and one end of the main body (7). The lower surface bending means (2) consisting of the attached rectangular bending member (8) and the arm (6) are detachably attached, are made of a rectangular plate member, and the front end side (3a) is formed at an acute angle. Upper surface holding means (3).

In the invention which concerns on Claim 2, the length (L) of a main-body part (7) is 2 m or more, and the length of the rectangular board member which forms an upper surface holding means (3) is 2 m or more. It is characterized by.
Moreover, the invention which concerns on Claim 3 is the arm for pressing down the tatami floor (22) formed by the flame | frame (5) for mounting a tatami floor, and the tatami floor mounted on the mount (22) To produce an edgeless tatami using a tatami sewing device (4) comprising a tatami fastening means (24) including (6) and a sewing machine (20) for sewing a tatami mat to a tatami floor. The lower surface bending means (2) comprising a rectangular main body (7) and a rectangular bending member (8) rotatably attached to one end of the main body (7) is attached to the frame. A first step of attaching to the arm (6), and a first step of attaching the upper front holding means (3) made of a rectangular plate member and having the front end side (3a) formed at an acute angle to the arm (6); The third step of placing the tatami surface (S) on the lower surface bending means (2), and folding the main body (7) A fourth step of aligning the position to be bent with the edge that is the boundary with the bald member (8), and the upper surface holding means (3) attached to the arm (6) by lowering the tatami fastening means (24) The fifth step of pressing the tatami surface (S) by the sixth step, the sixth step of flexibly processing the bent portion of the tatami surface (S), and the front end side (3a) of the upper surface pressing means (3) with a gusset needle A seventh step of making a crease, an eighth step of turning the folding member (8) of the lower surface bending means (2) upward by 90 degrees and making a fold on the tatami surface (S), The ninth step of lifting the tightening means (24) to loosen the tightening of the tatami mat (S), and turning the tatami mat (S) to turn the side facing the fold already on the lower surface bend means (2 ) On the opposite side after the tenth step and the tenth step. Applying the eighth step, the eleventh step for making a fold, and the tatami mat (S) obtained in the first to eleventh steps are laid on the tatami floor, and the tatami mat sewing machine is used to sew both folds. 12 steps, a thirteenth step of removing the lower surface bending means (2) from the tatami stitching device (4), and a pair of stitches on the platform (22) from which the lower surface bending means (2) has been removed The tatami mat and the tatami floor are placed, aligned, and the tatami tightening means (24) is lowered to fix the tatami mat and the tatami floor, and the tatami sewing machine (2) is operated. And a fifteenth step of sewing a tatami mat (S) to the tatami floor to complete the edgeless tatami mat.
Furthermore, in the invention according to claim 4, the length (L) of the main body part (7) is 2 m or more, and the length of the rectangular plate member forming the upper surface pressing means (3) is 2 m or more. Yes, using tatami mats and tatami floors with a size of half or more and producing an edge-less tatami mat with a size of half or more.

  According to the tatami surface folding machine according to claim 1 of the present invention, it comprises a lower surface bending means disposed on the upper surface of the platform, and an upper surface pressing means that is attached to the lower surface of the tatami tightening means and presses the tatami surface. Since the lower surface bending means has only a bending member that can be rotated at the end portion, the lower surface bending means does not have a large-scale function and thus has a simple structure. Therefore, the price can be greatly reduced. Further, since the upper table pressing means is pressed firmly and bent, it is possible to eliminate one of the inconveniences of bending that causes the swelling, and it is possible to eliminate the swelling of the tatami table by bending the tatami table linearly. Moreover, if it attaches and uses to a tatami stitching apparatus, it is not necessary to convey like a separate folding machine, and it can improve labor saving.

  According to the invention which concerns on Claim 2, in addition to the effect of the tatami surface folding machine of Claim 1, a larger tatami surface can be bent reliably.

(Embodiment)
Next, the best mode for carrying out the present invention will be described in detail with reference to the drawings.

1 is an exploded perspective view showing an embodiment of a tatami surface folding machine according to the present invention, FIG. 2 is a cross-sectional view of a state in which the lower surface bending means is attached, and FIG. 3 is a state in which the upper surface holding means is attached. Sectional drawing and FIG. 4 are perspective views of the adjustment hardware of the upper front holding means.
The tatami surface folding machine 1 according to the present embodiment includes a lower surface bending means 2 for bending an edge portion of the tatami table pressed so as not to be displaced to a predetermined size, and an upper surface pressing means 3 for pressing the tatami surface against the lower surface bending means 2. . And the lower surface bending means 2 is attached to the frame 5 of the mounting base which mounts the tatami floor of the tatami stitching device 4. The upper front holding means 3 is attached to the arm 6 of the tatami fastening means of the tatami sewing device 4.

  As shown in FIG. 2, the lower bending means 2 includes a rectangular main body portion 7 and a rectangular bending member 8 rotatably attached to one end in the short side direction, and is formed of a plastic plate. The bending member 8 is supported and supported by the main body 7 by a rotation support member 9 such as a plurality of hinges so as to be capable of rotating 120 degrees from the horizontal direction at the center of the rotation axis. In this case, the opposing sides of the main body 7 and the rotation support member 9 are parallel to each other. Further, the length L of the opposing sides is set to about 200 cm or more, which is more than a tatami mat, so that one fold can be folded, and a large tatami surface can be folded.

  Further, in order to attach the lower bending means 2 to the frame 5 of the tatami stitching apparatus, a plurality of bolts 10 and 11 as attachment means are paired and fixed to the main body portion 7 along the longitudinal direction. The pair of bolts 10 is fitted through a hole 12a provided in a fixed metal 12 serving as attachment means, and a wing nut 13 is screwed from the end of the bolt 10. Further, the other bolt 11 of the pair is fitted through a long hole 14 a provided in the adjustment hardware 14 as an attachment means, and a wing nut 13 is screwed from the end of the bolt 11. The fixed metal piece 12 and the adjustment metal piece 14 are each made of an L-shaped member, and the lower bending means 2 is fixed to the frame 5 of the tatami stitching device by sandwiching the frame 5 from both sides.

  The upper surface holding means 3 functions to hold the tatami surface S placed on the lower bending means 2 from above and fix it so as not to be displaced, and is formed to a length of 2 m or more from a plastic rectangular plate member. . As shown in FIGS. 3 and 4, the front end side 3 a of the upper pressing means 3 is formed at an acute angle, for example, 30 degrees, and is hardened so that it is not easily deformed even when the tatami surface is pressed and bent. Then, a plurality of bolts 15 serving as attachment members are paired and fixed along the longitudinal direction to the upper surface holding means 3 so as to be attached to the arm 6 of the tatami fastening means of the tatami sewing apparatus. One bolt 15 of the pair is screwed with a wing nut 17 from an end through a long hole 16a provided in the upper adjustment metal 16, and an extended side 16b of the upper adjustment metal 16 without a long hole is the other of the pair. Stopped toward the bolt side. Similarly, the wing nut 17 is screwed to the other bolt 15 of the pair from the end through the elongated hole 16a provided in the adjustment hardware 16, and the extended side 16b is directed to the other side and stopped. The upper adjustment hardware 16 is formed of a step-shaped member, and the upper pressing means 3 is fixed to the arm 6 of the tatami-stitching device by sandwiching the arm 5 with these members and suspending the arm 5 by the extended side 16b.

  Next, from the attachment of the tatami mat folding machine 1 of the present invention configured as described above to the tatami stitching device, the tatami mat folding work and the edgeless tatami mating work using the same will be described.

  First, in order to attach the tatami surface folding machine 1, the lower surface bending means 2 is placed on the frame 5 at the center of the pedestal sewing device 4, and a hole 12 a provided in the fixed hardware 12 is fitted to the bolt 10 to attach the wing nut. 13 is screwed and fixed so that the mountain side wall 12b of the fixed hardware 12 is parallel to the side facing the main body side of the bending member 8. Subsequently, a long hole 14 a provided in the adjustment hardware 14 is fitted into the bolt 11, the wing nut 13 is screwed, and the mount center frame 5 is sandwiched between the fixed hardware 12 and the adjustment hardware 14, so that the lower surface bending means is provided. 2 is fixed.

  Next, the upper front holding means 3 is attached to the tatami fastening arm 6. The wing nuts 17 are screwed into the pair of bolts 15 from the end portions through the long holes 16a provided in the upper adjustment hardware 16, respectively. At this time, the extended side 16b of the upper adjustment hardware 16 without the elongated hole is temporarily fixed toward the other bolt side of the pair. And it arrange | positions under the tatami fastening means of the tatami stitching device 4, and hooks the extension side 16b of the adjustment metal fitting 16 on the upper surface of the arm 6. Next, the wing nut 17 is positioned and the upper front holding means 3 is attached to the lower surface of the tatami fastening means.

  Next, the operation of bending the tatami table is performed by placing the tatami table S on the lower surface bending means 2, aligning the position to be bent with the edge of the main body 7, and aligning the front end side of the upper surface pressing means 3. Then, the tatami fastening means is lowered and the tatami surface S is pressed and fixed to the lower surface bending means 2. Before or after the fixing operation, the grass can be bent beautifully by subjecting it to a flexible treatment such as applying hot water steam to the bent portion of the tatami mat S. Furthermore, it becomes possible to bend more beautifully by making a crease with a gusseted needle along the front end side 3a of the upper front pressing means 3 corresponding to the bending position.

  Next, the folding member 8 of the lower surface bending means 2 is turned upward by 90 degrees or more, preferably about 120 degrees, and the tatami table is folded by maintaining the state for a while.

Next, a folding operation is performed on the opposite side of the tatami surface.
The tatami tightening means is raised to loosen the tatami mat S, and the side to be folded by turning 180 degrees is arranged on the bending member 8 side of the lower surface bending means 2, and is aligned and fixed in the same manner as described above. . Thereafter, in the same manner as described above, after the flexible processing and preliminary folding, the folding member 8 is rotated upward by 90 degrees or more, preferably about 120 degrees, and the tatami surface is folded by maintaining the state for a while.

To sew a tatami table, first, a tatami table with both sides folded is laid on a tatami floor with a tatami mat sewing machine (not shown), and both sides are sewn together. Next, the lower surface bending means 2 is removed from the tatami stitching device 4 to which the tatami surface bending machine is mounted, placed on the tatami table and aligned, and the tatami tightening means is lowered to press and fix the tatami. At this time, the upper front holding means 3 may remain attached.

  Next, the tatami sewing machine 20 is operated to sew the tatami mat. This completes the edgeless tatami. The tatami stitching device 4 is a device that cuts the edge of a tatami table with a rim, which is a normal tatami mat, and attaches the rim made of cloth. As shown in FIG. And a tatami table 22, a tatami tightening means 24, an edge feeder 26, an operation panel 28, and an edge cutting machine (not shown).

  The tatami mat folding machine of the present invention configured as described above is used by being attached to a tatami stitching device, so that the tatami mat can be folded linearly to eliminate the bulge of the tatami mat, compared to separate devices. The entire apparatus for performing tatami bending and sewing can be simplified and the cost can be reduced. Moreover, compared with separate apparatuses, since the sewing operation and the bending operation are performed by the sewing apparatus, labor can be reduced.

In the present invention, the present invention is not limited to the above-described example, but can be easily changed. For example, although the lower surface bending means 2 and the upper surface pressing means 3 have been described as being configured from rectangular plastic plates, they may be made of wood, metal, or a combination thereof. Moreover, you may comprise the frame part which comprised the part which acts on a tatami surface, such as the side part which the lower surface bending means 2 opposes, and a bending member, or metal, such as aluminum, and plastic, or a metal and wood. Moreover, you may form the acute angle of the front end side of the upper surface pressing means 3 with hard members, such as a metal or a plastic.
Furthermore, although the example in which the attachment means of the lower surface bending means 2 and the upper surface holding means 3 is constituted by a bolt, a fixed hardware, and a wing nut has been described, it is engaged with a frame of a sewing device, an arm of a tatami fastening means, or the like. As long as it can be fixed so as not to be displaced, a simple convex portion or a concave portion may be provided. Moreover, although the upper surface holding means 3 was demonstrated to the example attached to the arm of a tatami fastening means, the attachment member may be comprised so that it may attach to the member 24a which hold | suppresses the clamping cushion material.

It is a disassembled perspective view of one Example of the tatami surface folding machine based on this invention. It is sectional drawing of the principal part in the state which attached the lower surface bending means. It is sectional drawing of the principal part in the state which attached the upper surface pressing means. It is a perspective view which shows the adjustment metal fitting of the upper surface pressing means. It is a perspective view of the tatami stitching apparatus which attaches and uses the tatami surface folding machine of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Folding machine 2 Lower surface bending means 3 Upper surface holding means 4 Tatami sewing device 5 Platform frame 6 Arm of tatami fastening means 7 Body part 8 Bending member 9 Rotating support members 10, 11, 15 Bolt 12 Fixed metal
14 Adjustment hardware 16 Upper adjustment hardware

Claims (4)

Tatami fastening means (including a platform (22) formed by a frame (5) for placing the tatami floor and an arm (6) for pressing the tatami floor placed on the platform (22) 24) and a tatami surface folding machine (1) removably attached to a tatami stitching device (4) comprising a sewing machine (20) for sewing a tatami mat to the tatami floor,
Lower surface bending comprising a rectangular main body (7) removably attached to the frame (5) and a rectangular bending member (8) rotatably attached to one end of the main body (7) Means (2);
A tatami surface folding machine (1) comprising upper table pressing means (3) which is removably attached to the arm (6), is made of a rectangular plate member, and has a front end side (3a) formed at an acute angle. The length (L) of the main body (7) is 2 m or more,
The tatami surface folding machine (1) according to claim 1, characterized in that the length of the rectangular plate member forming the upper surface pressing means (3) is 2 m or more . Tatami fastening means (including a platform (22) formed by a frame (5) for placing the tatami floor and an arm (6) for pressing the tatami floor placed on the platform (22) 24) and a tatami sewing apparatus (4) comprising a sewing machine (20) for sewing a tatami surface to the tatami floor, a method for producing a borderless tatami mat,
Lower frame bending means (2) comprising a rectangular main body (7) and a rectangular bending member (8) rotatably attached to one end of the main body (7) is attached to the frame (5). A first step of attaching;
A second step of attaching the upper surface pressing means (3) made of a rectangular plate member and having the front end side (3a) formed at an acute angle to the arm (6);
A third step of placing the tatami surface (S) on the lower surface bending means (2);
A fourth step of adjusting a position to be bent to an edge that is a boundary between the main body (7) and the bending member (8);
A fifth step of lowering the tatami fastening means (24) and pressing the tatami surface (S) by the upper surface pressing means (3) attached to the arm (6);
A sixth step of flexibly processing the bent portion of the tatami mat (S);
A seventh step of making a crease with a gusset needle along the front end side (3a) of the upper surface pressing means (3);
An eighth step of turning the folding member (8) of the lower surface bending means (2) upward 90 degrees or more to make a crease in the tatami surface (S);
A ninth step of raising the tatami fastening means (24) to loosen the tatami mat (S);
A tenth step of turning the tatami surface (S) and placing the side opposite to the side already creased on the lower surface bending means (2);
After the tenth step, the eleventh step of applying the fourth to eighth steps to crease the opposing side,
A twelfth step in which the tatami mat (S) obtained in the first to eleventh steps is laid on a tatami floor and sewed on both sides with a tatami mat sewing machine;
A thirteenth step of removing the lower surface bending means (2) from the tatami stitching device (4);
Place the tatami table and the tatami floor on which the both sides are sewn on the platform (22) from which the lower surface bending means (2) has been removed, align them, and lower the tatami tightening means (24) A fourteenth step of fixing the tatami mat and the tatami floor;
15th step of operating said tatami stitcher (2), sewing said tatami mat (S) on said tatami floor, and completing said rimless tatami mat, Tatami manufacturing method. The length (L) of the main body (7) is 2 m or more,
The length of the rectangular plate member forming the upper surface holding means (3) is 2 m or more,
4. The method of manufacturing an edgeless tatami mat according to claim 3, wherein the tatami surface and the tatami floor have a size of half or more, and produce an edgeless tatami mat of at least half a bowl.

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