JP2020020200A - Tatami surface folding device - Google Patents

Abstract

To provide a tatami surface folding device capable of folding stems of rush of a tatami surface in a direction along a tatami floor (a direction of rush) and also folding them into a recessed shape like a dog leg shape or a shape coincident with a deformed shape protruding in a dog leg shape in a state where side parts (an upper front side part and a lower front side part) of the tatami surface are matched with side parts (an upper front side part and a lower front side part) of a tatami floor.SOLUTION: A tatami surface folding device comprises a positioning member 12 constituted of a first positioning plate 12a and a second positioning plate 12b which can move around a virtual central axis P from each other so as to change an angle between them. A side part of a tatami surface 200 is folded to an inside by a folding member 46 in a state where the positioning member 12 is lowered to a position in contact with the tatami surface 200 to be folded.SELECTED DRAWING: Figure 1

Description

  BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tatami table folding apparatus for folding inward the sides (upper front side and lower front side) of a tatami table used for borderless tatami, and more particularly to a tatami table used for borderless tatami. The present invention relates to a tatami surface bending apparatus for bending the side edges of (i.e., the upper front side and the lower front side) inward in a direction along the tatami floor.

  Conventionally, in the case of tatami mats, instead of ordinary tatami mats having a tatami edge, in recent years, so-called "edgeless tatami mats" having no tatami edges have been widely used in apartment buildings and the like in consideration of designability and the like. It has become.

  In this case, as shown in FIG. 21, in order to manufacture such a borderless tatami mat 201, along the side of the tatami floor 206 (upper front side 206a and lower front side 206b), It is necessary to bend the tatami table 200 at an angle of about 90 ° or more so as to be along the side surface 208 of the tatami floor 206.

  FIG. 21 shows only one side for convenience of explanation.

  That is, as shown in FIG. 21, the stalks of rush of the tatami mat 200 are bent in the direction A (direction of rush) along the tatami mat, and the side 202 of the tatami mat 200 is folded along the side surface 208 of the tatami mat 206. Then, the folded side 210 is sewn to the side surface 208 or the back surface 212 of the tatami floor 206 or fixed with an adhesive, a tucker, a double-sided tape, or the like.

  However, as shown in FIG. 23, the sill of the room is not necessarily 100% square or rectangular. Therefore, when laying the tatami mats, the upper front side is straightened, and the lower front side is straightened along the sill. And finish the tatami mat and spread it. Therefore, in the plan view of the tatami mat, the opposing upper front side and lower front side are not completely parallel, that is, the habit exists.

  Therefore, it is necessary to bend the sides 202 on both sides of the tatami table 200 in consideration of such a shape (habit) of the tatami (tatami floor) in plan view.

  For this reason, in Patent Document 1 (Japanese Patent Laid-Open No. 2001-227143), in consideration of such a planar view of a tatami (tatami floor), a tatami table is formed along such a planar view of a tatami floor. A tatami table shaping device that bends both sides 202 of both sides of 200 has been proposed.

  By the way, in such a case, if only the tatami table 200 can be cut into a predetermined size in advance and the stalks of rush of the tatami table 200 can be bent in the direction A (the direction of rush) along the tatami floor, various types of rush can be used. This is very convenient because it can correspond to the combination and size of the tatami floor 206 and the tatami table 200.

  In this case, as shown in FIG. 22, the stalks of rush of the tatami mat 200 are arranged in the direction A (direction of rush) along the tatami mat, and the sides 202 on both sides of the tatami mat 200 are along the side of the tatami mat at the same time. If it can be bent, the work efficiency will be improved.

  In FIG. 22, only one side 202 of the tatami table 200 is shown for convenience of explanation.

  For this reason, Patent Document 2 (Japanese Patent No. 5140612) proposes a tatami surface folding apparatus 300 as shown in the schematic diagram of FIG.

  That is, as shown in FIG. 24, the tatami folding apparatus 300 of Patent Document 1 has an upper front shaping section 306 that moves horizontally along a rail 304 provided on an apparatus frame 302 and an upper front shaping section 306. And a lower front shaping unit 308 that rotates horizontally.

  The lower front shaping unit 308 is mounted on the device frame 302 or the rail 304 with a vertical shaft 310. A turning base 312 is provided which can be turned horizontally around the vertical axis 310. The lower front side of the tatami mat is placed on the upper surface of the turning base 312 and turned, so that the lower front side of the tatami mat is moved below the tatami floor. It can be folded into a shape that matches the front side.

JP 2001-227143 A Japanese Patent No. 5140612

  As described above, both of Patent Literature 1 and Patent Literature 2 are configured to bend the tatami mat so as to correspond to the side of the straight tatami floor as shown in FIG.

  However, for example, in the case of laying down the tatami corridor or the edge side, as shown in FIG. 19A, the sides (the upper front side 206 a and the lower front side 206 b) of the tatami floor 206 are covered with ku. As shown in FIG. 19B, the sides of the tatami floor 206 (the upper front side 206a and the lower front side 206b) protrude in a U-shape. There is a habit.

  As shown in FIG. 19 (C), there is a habit in which only the lower side 206b on the lower front side of the tatami floor 206 corresponds to the shape of the sill of a general living room, and has a U-shape. In some cases. In addition, for convenience of explanation, such a sash is greatly enlarged and shown.

  Both Patent Literature 1 and Patent Literature 2 are configured to bend the tatami table using a linear ruler (plate). It is impossible.

  In view of the above situation, the present invention can fold a tatami mat in a direction along the tatami floor (the direction of rush), and furthermore, the side of the tatami mat (the upper front side and the lower side). The front side) is aligned with the sides of the tatami floor (the upper front side and the lower front side), and the shape is concave in a U-shape or the shape of a habit protruding in a U-shape It is an object of the present invention to provide a tatami surface folding apparatus that can be bent into a shape that conforms to the above, is very convenient, has excellent versatility, and has improved work efficiency.

  In addition, the present invention has a fold (folding habit) firmly, a corner does not become round, and even when a bent portion is fixed to a side surface of a tatami floor, a so-called floating state does not occur. It is an object of the present invention to provide a tatami surface folding device capable of manufacturing a borderless tatami mat having a good appearance and a high commercial value.

The present invention has been invented in order to achieve the above-described problems and objects in the related art.
A tatami table folding device for bending the side of the tatami table inward,
A positioning member including a first positioning plate and a second positioning plate that can move relative to each other about a virtual center axis;
An upper and lower drive device that allows the positioning member to move up and down with respect to the tatami mat to be bent,
A folding member for folding the side of the tatami table inward,
The first positioning plate and the second positioning plate of the positioning member are arranged such that the angle formed by the first positioning plate and the second positioning plate is a predetermined angle according to the side shape of the tatami floor. Is configured to rotate about a virtual central axis,
The positioning member positioned at the predetermined angle is configured to be lowered to a position where the positioning member is brought into contact with the folded tatami table by driving the vertical driving device,
In a state where the positioning member is lowered to a position where the positioning member comes into contact with the folded tatami table, the folding member is configured to bend the side of the tatami table inward.

  With this configuration, the first positioning plate of the positioning member is formed so that the angle between the first positioning plate and the second positioning plate is a predetermined angle in accordance with the side shape of the tatami floor. And the second positioning plate are rotated about a virtual center axis.

  Then, the positioning member positioned at a predetermined angle in accordance with the side shape of the tatami floor as described above is lowered to a position where it comes into contact with the folded tatami table by driving of the up-down driving device.

  In this manner, in a state where the positioning member is lowered to a position where the positioning member comes into contact with the folded tatami table, the folding member is configured to bend the side of the tatami table inward.

  Therefore, the tatami table can be bent in a direction along the tatami floor (the direction of the rush) so that the side of the tatami table (upper front side and lower front side) can be laid on the tatami floor. Can be bent to a shape that is concave in a U-shape or a shape that matches the shape of a habit protruding in a U-shape according to the sides (upper front side and lower front side) It is possible to provide a tatami surface folding apparatus that is very convenient, has excellent versatility, and has improved work efficiency.

  Also, in this way, the sides of the tatami table (upper front side and lower front side) are aligned with the sides of the tatami floor (upper front side and lower front side), and It can be folded into a shape that matches the shape of a concave shape or a habit shape that protrudes in a U-shape, so the fold (folding habit) is firmly attached and the corners are not rounded, Provided is a tatami surface folding device capable of firmly fixing a folded portion to a side surface of a floor without a so-called floating state, and capable of manufacturing a frameless tatami mat having a good appearance and a high commercial value. be able to.

  Further, the tatami mat folding apparatus of the present invention is characterized in that the first locating plate and the second locating plate of the locating member are composed of plate members arranged perpendicular to the tatami mat to be folded. I do.

  As described above, the first positioning plate and the second positioning plate of the positioning member may be constituted by plate members arranged perpendicular to the folding tatami table.

  Moreover, the tatami mat folding apparatus of the present invention is characterized in that the first locating plate and the second locating plate of the positioning member are composed of plate members arranged in parallel to the tatami mat to be folded. I do.

  As described above, the first positioning plate and the second positioning plate of the positioning member may be constituted by plate members arranged in parallel to the folding tatami mat.

  Further, in the tatami folding apparatus according to the present invention, the folding member is constituted by a folding member movable in a direction of coming and going with respect to the positioning member.

  With this configuration, the folding member movable in the direction in which the positioning member moves away from the positioning member allows the positioning member to abut against the positioning member. The tatami mat can be folded in a direction along the tatami floor (the direction of the rush) along the positioning member positioned at the angle of (1).

  With this, the sides of the tatami table (upper front side and lower front side) are recessed in a U-shape in conformity with the sides of the tatami floor (upper front side and lower front side). It can be bent into a shape that matches the shape of a wavy shape or the shape of a wavy protruding in a U shape.

  Moreover, the tatami surface folding apparatus of the present invention is characterized in that the bending member is formed of a bending member that can move up and down with respect to the positioning member.

  As described above, the bending member may be configured by a bending member that can move in the vertical direction with respect to the positioning member.

In addition, the tatami table folding apparatus of the present invention,
The bending member is composed of a first bending plate and a second bending plate that can move relative to each other about a virtual center axis,
The first bending plate and the second bending plate of the bending member are arranged so that the angle formed between the first bending plate and the second bending plate is a predetermined angle in accordance with the side shape of the tatami floor. Is rotated about a virtual center axis.

  With this configuration, the first bent plate of the bending member is formed so that the angle formed between the first bent plate and the second bent plate becomes a predetermined angle according to the side shape of the tatami floor. And the second bent plate are rotated about a virtual central axis.

  Thus, the side members (upper front side and lower front side) of the tatami mat can be folded by the folding member in which the angle between the first bent plate and the second bent plate is a predetermined angle. Can be bent to a shape that is concave in a U-shape or a shape that matches the shape of a habit protruding in a U-shape according to the sides (upper front side and lower front side) .

  Moreover, the tatami table folding apparatus of the present invention is characterized in that the tatami table to be folded is a tatami table that can be folded inward by itself.

  In this way, the tatami mat to be folded may be a tatami mat that is folded inward by itself.

  With this configuration, only the tatami mat can be cut into a predetermined size in advance, and the stalks of rush grass on the tatami mat can be bent in the direction along the tatami floor (the direction of rush grass). It is very convenient because it can accommodate the combination and size of floor and tatami mats.

  Further, in the tatami mat folding apparatus of the present invention, the tatami mat to be folded is a tatami mat that can be folded inward on a side of the tatami mat with respect to a side of the tatami mat with the tatami mat placed on the back surface of the tatami mat. It is characterized by the following.

  In this way, the tatami mat to be folded may be a tatami mat that can bend the side of the tatami mat inward with respect to the side of the tatami mat with the tatami mat placed on the back surface of the tatami mat.

  With this configuration, the sides (upper front side and lower front side) of the tatami mat are aligned with the sides (upper front side and lower front side) of the tatami floor. A very convenient, versatile, and highly efficient tatami surface folding device that can be bent into a shape that is concave in the shape of a U-shape or a shape that matches the shape of a habit protruding in a U shape. Can be.

  Further, the tatami mat folding apparatus of the present invention is configured to fix the tatami mat to the side of the tatami mat when the side of the tatami mat is bent inward with respect to the side of the tatami mat. Features.

  With this configuration, the sides (upper front side and lower front side) of the tatami mat are aligned with the sides (upper front side and lower front side) of the tatami floor. At the same time, it can be folded into a shape that matches the shape of a concave shape in a U-shape or a shape that is protruding in a U-shape, and at the same time, the tatami mat can be fixed to the side of the tatami floor, making integrated production possible and convenient. is there.

In addition, the tatami table folding apparatus of the present invention,
By the drive of the vertical drive device, it is configured to descend to a position slightly separated from the tatami table immediately before contact with the tatami table to be bent,
At a position away from the tatami mat, holding a protruding tip of the tatami mat, and with a tatami mat placed on the back side of the tatami mat, a pinching and moving device for moving the tatami mat in a direction away from the side of the tatami mat,
The angle between the first positioning plate and the second positioning plate according to the side shape of the tatami floor by bringing the side of the tatami floor into contact with the positioning member by the operation of the nipping and moving device. Is configured to rotate the first positioning plate and the second positioning plate of the positioning member around a virtual center axis so that the angle is a predetermined angle.

  In this manner, by the driving of the up-down driving device, it is configured to descend to a position slightly separated from the tatami table immediately before contact with the tatami table to be bent.

  Then, at the position separated from the tatami mat in this manner, by the operation of the holding and moving device, the protruding tip of the tatami mat is pinched, and the tatami mat is placed on the back surface of the tatami mat, in a direction away from the side of the tatami mat. To be moved.

  Thereby, the angle between the first positioning plate and the second positioning plate is set to a predetermined angle in accordance with the side shape of the tatami floor by bringing the side of the tatami floor into contact with the positioning member. As a result, the first positioning plate and the second positioning plate of the positioning member can be turned around the virtual center axis.

  Therefore, for example, the angle between the first positioning plate and the second positioning plate can be set to a predetermined angle with a simple structure without requiring numerical control or the like, which is convenient.

In addition, the tatami table folding apparatus of the present invention,
A horizontal moving device for moving the positioning member in a horizontal direction,
By the drive of the vertical drive device, it is configured to descend to a position slightly separated from the tatami table immediately before contact with the tatami table to be bent,
By operating the horizontal movement device at a position separated from the tatami mat surface, the side of the tatami mat is brought into contact with the positioning member, so that the first positioning plate and the first positioning plate are aligned with the side of the tatami mat. The first positioning plate and the second positioning plate of the positioning member are configured to rotate about a virtual center axis so that the angle formed by the second positioning plate and the second positioning plate becomes a predetermined angle. It is characterized by the following.

  As described above, the lower drive device is configured to be lowered to a position slightly separated from the tatami table immediately before contact with the tatami table to be bent.

  Then, at the position separated from the tatami mat surface, the horizontal positioning device is actuated to bring the side of the tatami mat into contact with the positioning member, whereby the first positioning is performed according to the side shape of the tatami mat. The first positioning plate and the second positioning plate of the positioning member are configured to rotate about a virtual center axis so that the angle formed between the plate and the second positioning plate becomes a predetermined angle. Have been.

  Therefore, the angle between the first positioning plate and the second positioning plate can be set to a predetermined angle with a simple structure, which is convenient.

  Further, the tatami folding apparatus according to the present invention is characterized in that a plurality of positioning members including the first positioning plate and the second positioning plate are arranged along the side of the tatami mat.

  As described above, since a plurality of positioning members including the first positioning plate and the second positioning plate are arranged along the side of the tatami mat, for example, as shown in FIG. As shown in the middle, the tatami floor is shaped to be concave in a plurality of U-shapes or protruding into a plurality of U-shapes according to the sides (upper front side and lower front side). It can be folded at once into a shape that matches the habit shape.

  Further, the tatami surface folding apparatus of the present invention is characterized in that a plurality of bending members including the first bending plate and the second bending plate are arranged along the side of the tatami table.

  As described above, since a plurality of bending members composed of the first bending plate and the second bending plate are arranged along the side of the tatami mat, for example, as shown in FIG. As shown in the middle, a plurality of U-shaped concaves (FIG. 20 (A)) or a plurality of squares are formed in accordance with the sides (upper front side and lower front side) of the tatami floor. It can be bent at once into a shape that matches the habit shape (FIG. 20 (B)) protruding in the shape of a square.

  Moreover, the tatami table folding apparatus of the present invention is characterized in that the tatami table folding apparatus described in any of the above is arranged on the upper front side, the lower front side corresponding to the upper front side and the lower front side of the tatami floor. .

  As described above, since the tatami mat folding apparatus is arranged on the upper front side and the lower front side corresponding to the upper front side and the lower front side of the tatami floor, the sides of the tatami mat (the upper front side side and the lower front side side). ) To the sides of the tatami floor (the upper front side and the lower front side), a shape that is concave in a U-shape or a shape that matches the habit shape that protrudes in a U-shape In addition, the upper front side and the lower front side can be simultaneously bent.

  Therefore, for example, in the case of laying down the tatami corridor or the edge side, as shown in FIG. 19A, the sides (the upper front side 206a and the lower front side 206b) of the tatami floor 206 are shaped like a letter. As shown in FIG. 19 (B), the sides of the tatami floor 206 (upper front side 206 a and lower front side 206 b) project in a U-shape. Is present, the upper front side and the lower front side can be bent at the same time, so that steps such as rotating the tatami floor by 180 degrees are unnecessary, the number of steps can be reduced, and the cost can be reduced, which is very convenient.

  According to the present invention, the first positioning plate and the second positioning plate of the positioning member are arranged so that the angle between the first positioning plate and the second positioning plate is a predetermined angle in accordance with the side shape of the tatami floor. The second positioning plate is rotated about a virtual center axis.

  Then, the positioning member positioned at a predetermined angle in accordance with the side shape of the tatami floor as described above is lowered to a position where it comes into contact with the folded tatami table by driving of the up-down driving device.

  In this manner, in a state where the positioning member is lowered to a position where the positioning member comes into contact with the folded tatami table, the folding member is configured to bend the side of the tatami table inward.

  Therefore, the tatami table can be bent in a direction along the tatami floor (the direction of the rush) so that the side of the tatami table (upper front side and lower front side) can be laid on the tatami floor. Can be bent to a shape that is concave in a U-shape or a shape that matches the shape of a habit protruding in a U-shape according to the sides (upper front side and lower front side) It is possible to provide a tatami surface folding apparatus that is very convenient, has excellent versatility, and has improved work efficiency.

  Also, in this way, the sides of the tatami table (upper front side and lower front side) are aligned with the sides of the tatami floor (upper front side and lower front side), and It can be folded into a shape that matches the shape of a concave shape or a habit shape that protrudes in a U-shape, so the fold (folding habit) is firmly attached and the corners are not rounded, Provided is a tatami surface folding device capable of firmly fixing a folded portion to a side surface of a floor without a so-called floating state, and capable of manufacturing a frameless tatami mat having a good appearance and a high commercial value. be able to.

FIG. 1 is an exploded perspective view schematically showing the outline of a tatami folding apparatus according to the present invention. FIG. 2 is a partially enlarged side view in the I direction of FIG. FIG. 3 is a partially enlarged cross-sectional view of the first positioning plate 12a and the second positioning plate 12b of FIG. FIG. 4 is a flowchart for explaining the outline of the operation of the folding table folding apparatus of the present invention. FIG. 5 is a schematic diagram for explaining the outline of the operation of the folding table folding apparatus of the present invention. FIG. 6 is a schematic diagram for explaining the outline of the operation of the folding table folding apparatus of the present invention. FIG. 7 is a schematic diagram for explaining the outline of the operation of the folding table folding apparatus of the present invention. FIG. 8 is a schematic diagram for explaining the outline of the operation of the tatami folding apparatus of the present invention. FIG. 9 is a schematic diagram for explaining the outline of the operation of the folding table folding apparatus of the present invention. FIG. 10 is a schematic diagram for explaining the outline of the operation of the tatami folding apparatus according to the present invention. FIG. 11 is a schematic diagram illustrating an outline of the operation of the tatami folding apparatus according to the present invention. FIG. 12 is a schematic diagram for explaining the outline of the operation of the folding table folding apparatus of the present invention. FIG. 13 is a schematic view showing another embodiment of the folding table folding apparatus of the present invention. FIG. 14 is a schematic view showing another embodiment of the tatami folding apparatus according to the present invention. FIG. 15 is a schematic view showing another embodiment of the folding table folding apparatus of the present invention. FIG. 16 is a schematic view showing another embodiment of the tatami folding apparatus according to the present invention. FIG. 17 is an exploded perspective view schematically showing an outline of a tatami table folding apparatus according to another embodiment of the present invention, which is similar to FIG. 1 showing another embodiment of the tatami table folding apparatus according to the present invention. FIG. 18 is a flowchart illustrating an outline of the operation of the tatami folding apparatus according to another embodiment of the present invention. FIG. 19 is an exploded perspective view schematically showing the outline of the side of the tatami floor 206 (upper front side 206a and lower front side 206b). FIG. 20 is a top view illustrating the tatami mat state. FIG. 21 is a perspective view illustrating a method of manufacturing the borderless tatami 201. FIG. 22 is a perspective view illustrating a folded state of the tatami table 200. FIG. 23 is a top view illustrating a state in which tatami mats are spread. FIG. 24 is a schematic diagram illustrating a conventional tatami surface folding apparatus 300 of Patent Document 1.

Hereinafter, embodiments (examples) of the present invention will be described in more detail with reference to the drawings.
(Example 1)

  FIG. 1 is an exploded perspective view schematically showing the outline of a tatami folding apparatus according to the present invention, FIG. 2 is a partially enlarged side view in the I direction of FIG. 1, and FIG. FIG. 4 is a partial enlarged cross-sectional view of the second positioning plate 12b. FIG. 4 is a flowchart for explaining the outline of the operation of the tatami folding apparatus of the present invention. FIGS. 5 to 12 are for explaining the outline of the operation of the tatami folding apparatus of the present invention. FIGS. 13 to 16 are schematic views showing another embodiment of the tatami surface bending apparatus of the present invention.

  In FIG. 1, reference numeral 10 generally indicates a tatami folding apparatus according to the present invention.

  The tatami table folding apparatus 10 of the present invention is for manufacturing a so-called “edgeless tatami”, and as shown in FIG. In the direction A), the side 202 of the tatami mat 200 is bent along the side surface of the tatami floor.

  Note that, in FIG. 22, for convenience of explanation, the weave texture of the tatami mat 200 is omitted.

  Although not shown, the tatami floor is generally formed so that the front side is wide and the back side is narrow.

  Further, in the tatami table folding apparatus 10 of the present invention, the side 202 of the tatami table 200 which is the folded side of the tatami table 200 is the side in the longitudinal direction of the tatami table 200 when the tatami table 200 is for one tatami mat. In the case of semi-tatami mats, it means a side that is perpendicular or substantially perpendicular to the side 204 on the frame side.

  Further, the tatami mat 200 to be the object of the tatami mat folding apparatus 10 of the present invention includes, for example, a tatami mat 200 made of natural rush, a tatami mat 200 made of Japanese rush, and a tatami mat 200 made of resin rush. It can be applied to all tatami tables.

  Furthermore, for example, in the case of laying down the tatami corridor or the edge side, as shown in FIG. 19A, the sides (the upper front side 206a and the lower front side 206b) of the tatami floor 206 are connected to each other. In some cases, there is a shape that is concave in the shape of a letter, or as shown in FIG.

  As shown in FIG. 19 (C), there is a habit in which only the lower side 206b on the lower front side of the tatami floor 206 protrudes in a U-shape corresponding to the shape of the sill of a general living room. In some cases. In addition, for convenience of explanation, such a sash is greatly enlarged and shown.

  The tatami mat 200 targeted by the tatami mat folding apparatus 10 of the present invention is configured to be able to cope with such a case.

  In FIG. 1, for convenience of description, components of a known folding table folding apparatus such as a gantry frame are omitted from illustration.

  The tatami folding apparatus 10 according to the present invention includes a positioning member 12 including a first positioning plate 12a and a second positioning plate 12b.

  The first positioning plate 12a and the second positioning plate 12b of the positioning member 12 are composed of plate members arranged perpendicular to the tatami mat 200 to be bent.

  As shown in FIGS. 1 and 2, the first positioning plate 12 a and the second positioning plate 12 b are arranged in a direction perpendicular to a tatami table 200 (tatami floor 206) mounted on the mounting table 11. It is composed of an upright plate-like member.

  The first positioning plate 12a and the second positioning plate 12b are configured to be mutually angularly movable about a virtual center axis P.

  That is, in the case of this embodiment, a first upper plate portion 14a in the horizontal direction is formed on the upper portion of the first positioning plate 12a, and one end of the first upper plate portion 14a is A driving shaft 16c is provided upright. A first drive shaft 16a is provided upright at the other end of the first upper plate portion 14a.

  On the other hand, a second upper plate portion 14b in the horizontal direction is formed on the upper portion of the second positioning plate 12b, and the rotation shaft 16c is inserted through one end of the second upper plate portion 14b. A rotating shaft hole 16d is formed. A second drive shaft 16b is provided upright at the other end of the second upper plate portion 14b.

  Therefore, in this embodiment, the rotating shaft 16c and the rotating shaft hole 16d constitute the virtual center axis P, and as shown by the arrow B in FIG. 1, the first positioning plate 12a and the second The positioning plate 12b is configured to be able to move (rotate) relative to each other about the virtual center axis P.

  As shown in the top view of FIG. 3, tapered cutouts 12c and 12d are formed in portions adjacent to the first positioning plate 12a and the second positioning plate 12b, respectively. This is because the first positioning plate 12a and the second positioning plate 12b can freely move in the direction of arrow C shown in FIG.

  Further, as shown in FIGS. 1 and 2, above the positioning member 12 composed of the first positioning plate 12a and the second positioning plate 12b, an upper and lower fixed to a frame (not shown) A driving device 18 is provided. The vertical drive device 18 is configured to move the positioning member 12 up and down with respect to the folding tatami table 200 to be bent.

  The vertical drive device 18 includes a moving frame 20 having a substantially L-shaped cross section. The moving frame 20 includes a horizontal frame 22 in a horizontal direction and a vertical frame 24 in a vertical direction. The vertical frame 24 in the vertical direction is formed on a frame (not shown) by a guide member (not shown) formed on the back side of the vertical frame 24, for example, an LM guide. It is mounted so that it can move up and down along the guide rail in the direction of arrow D in FIG.

  Further, the horizontal frame 22 has, at one end thereof, a first arc-shaped slit-shaped first rotation hole 22a through which the first drive shaft 16a of the first positioning plate 12a is inserted. ing.

  In this case, although not shown, a fixing member is attached to the end of the first drive shaft 16a of the first positioning plate 12a inserted into the first rotation hole 22a, and the first positioning plate The first drive shaft 16a is configured to be prevented from falling out of the first rotation hole 22a.

  On the other hand, similarly, in the horizontal frame 22, the second drive shaft 16b of the second positioning plate 12b is inserted into the other end of the horizontal frame 22. Are formed.

  In this case, although not shown, a fixing member is attached to the tip of the second drive shaft 16b of the second positioning plate 12b inserted into the second rotation hole 22b, and the second positioning plate 12b (1st drive shaft 16a) is comprised so that it may fall out from the 2nd rotation hole 22b.

  Further, the horizontal frame 22 has a shaft support hole 22c formed in a central portion thereof, through which the rotation shaft 16c of the first upper plate portion 14a is inserted.

  In this case, although not shown, a fixing member is attached to the tip of the rotation shaft 16c of the first upper plate portion 14a inserted through the shaft support hole 22c, and the rotation shaft of the first upper plate portion 14a is rotated. 16c is configured to be prevented from falling off from the shaft support hole 22c.

  As shown in FIGS. 1 and 2, a first lever member 28 a is connected to the vertical frame 24 via a first pivot shaft 26 a. Similarly, a second lever member 28b is connected to the vertical frame 24 via a second pivot shaft 26b.

  The other end of the first lever member 28a is connected to the drive frame 30 via a first drive pivot 30a. Similarly, the other end of the second lever member 28b is connected to the drive frame 30 via a second drive pivot 30b.

  The drive frame 30 is formed on a mount frame (not shown) by a guide member (not shown) formed on the back side of the drive frame 30, such as an LM guide. Along the arrow E in FIG. 1 so as to be movable in the horizontal direction.

  The base end of the drive frame 30 is connected via a pivot shaft 32 to a drive shaft 36 of a drive cylinder 34 fixed to a gantry frame (not shown).

  As shown in FIGS. 1 and 2, for example, a biasing member such as a spring member and a cylinder mechanism are provided at one end of the first upper plate portion 14 a in the horizontal direction above the first positioning plate 12 a. A first positioning mechanism 38a is provided. Similarly, at one end of the second upper plate portion 14b in the horizontal direction above the second positioning plate 12b, a second positioning mechanism 38b including, for example, an urging member such as a spring member, a cylinder mechanism, or the like is provided. Is provided.

  Thus, as shown in FIG. 3, the angle α between the first positioning plate 12a and the second positioning plate 12 is set to a predetermined value by the first positioning mechanism 38a and the second positioning mechanism 38b. It is controlled so as to be at an angle.

  As shown in FIGS. 1 and 2, in this embodiment, the first positioning mechanism 38 a and the second positioning mechanism 38 b are illustrated by using an urging member such as a spring member. I have.

  On the other hand, as shown in FIGS. 1 and 2, the tatami table 200 is placed on the mounting table 11 such that the back surface 205 of the tatami table 200 faces upward, and the back surface 212 of the tatami floor 206 faces upward. It is mounted as follows.

  Further, the tatami floor 206 and the tatami mat 200 are bonded to each other so as to have a predetermined positional relationship in advance, or by performing a process of fixing the side 204 of the tatami mat 200 to the frame 206c of the tatami mat 206, The side 202 of the tatami table 200 is protruded from the side 208 of the tatami floor 206 (in this embodiment, the lower front side 206b) by a predetermined width.

  Further, as shown in FIG. 2, the pressing member 42 is moved up and down by the vertical driving mechanism 40 such as a driving cylinder fixed to a stand frame (not shown) so that the tatami floor 206 can be pressed. Is configured.

  Further, as shown in FIGS. 1 and 2, as described later, the positioning member 12 including the first positioning plate 12 a and the second positioning plate 12 b is bent by driving the vertical driving device 18. It is configured to descend to a position slightly separated from the tatami table 200 immediately before contact with the tatami table 200 to be set.

  Then, at the position where the lower end of the positioning member 12 composed of the first positioning plate 12a and the second positioning plate 12b is separated from the tatami table 200, the projecting tip of the tatami table 200 (in this embodiment, the lower front side edge) 202b), and with the tatami floor 206 placed on the back surface 205 of the tatami table 200, a side surface 208 (the lower front side in this embodiment) of the tatami floor 206 is driven by a drive mechanism (not shown) such as a cylinder mechanism. Is provided in the direction away from the side 206b) (in the direction of arrow E in FIGS. 1 and 2).

  As shown in FIGS. 1 and 2, the holding and moving device 44 includes a plate-shaped upper holding member 44a and a plate-shaped lower holding member 44b. The upper holding member 44a and the plate-shaped lower holding member 44b can be opened and closed by a drive mechanism (not shown) such as a cylinder mechanism.

  Further, a bending member 46 for bending the side 202 of the tatami mat 200 inward is provided on the near side in FIG.

  In other words, in this embodiment, the bending member 46 that can move in the direction in which the positioning member 12 (the first positioning plate 12a and the second positioning plate 12b) is moved away from the positioning member 12 (the direction of the arrow F in FIGS. It is composed of

  Further, as shown in FIG. 1, the bending member 46 is composed of a first bending plate 46a and a second bending plate 46b that can be moved relative to each other about the virtual center axis Q.

  The first bent plate 46a is connected to two drive mechanisms 50 such as a cylinder mechanism via respective pivot shafts 48 formed at both ends thereof.

  Similarly, the second bent plate 46b is connected to two drive mechanisms 54, such as cylinder mechanisms, via respective pivot shafts 52 formed at both ends.

  By driving these drive mechanisms 50 and 54 under the control of a control device (not shown), the angle between the first bent plate 46a and the second bent plate 46b is adjusted in accordance with the side shape of the tatami floor 206. The first bending plate 46a and the second bending plate 46b of the bending member 46 can be rotated about the virtual center axis Q so as to have a predetermined angle β.

  In addition, as a structure for rotating the first bending plate 46a and the second bending plate 46b of the bending member 46 about the virtual center axis Q, the drive mechanisms 50 and 54 as described above are used. Of course, other well-known mechanisms can be employed.

  Similarly to the first positioning plate 12a and the second positioning plate 12 of the positioning member 12, adjacent portions of the first bending plate 46a and the second bending plate 46b have tapered shapes, respectively. Notches 46c and 46d are formed.

  Thereby, this is configured such that the first bent plate 46a and the second bent plate 46b can freely move relative to each other in the direction of arrow G shown in FIG.

  The operation of the folding table folding apparatus 10 according to the present invention configured as described above will be described below with reference to FIGS.

  First, in step S1, as shown in FIGS. 1 and 5, the tatami mat 200 is placed on the placing table 11 such that the back 205 of the tatami mat 200 faces upward, and the back 212 of the tatami mat 206 is It is placed at a predetermined position so as to face upward.

  Further, the tatami floor 206 and the tatami mat 200 are bonded to each other so as to have a predetermined positional relationship in advance, or by performing a process of fixing the side 204 of the tatami mat 200 to the frame 206c of the tatami mat 206, The side 202 of the tatami table 200 is protruded from the side 208 of the tatami floor 206 (in this embodiment, the lower front side 206b) by a predetermined width.

  Next, in step S2, as shown in FIG. 6, the vertical driving device 18 is driven to move the positioning member 12 composed of the first positioning plate 12a and the second positioning plate 12b so that the folding table can be folded. It is lowered to a position slightly separated from the tatami table 200 immediately before contact with the tatami mat 200.

  The lower limit is detected by a sensor (not shown) such as an optical sensor, and is controlled by a control device (not shown).

  Specifically, the drive cylinder 34 is operated to drive the drive shaft 36 of the drive cylinder 34 in the extending direction, and the drive frame 30 connected to the drive shaft 36 is horizontally moved in the direction of arrow E in FIG. Move in the direction.

  Thereby, the first lever member 28a and the second lever member 28b rotate counterclockwise as shown by the arrow H in FIG. The moving frame 20 moves downward with the rotation of the first lever member 28a and the second lever member 28b.

  As the moving frame 20 moves downward, the positioning member 12 composed of the first positioning plate 12a and the second positioning plate 12b is configured to descend to the above-described position.

  In this state, that is, at the position where the lower end of the positioning member 12 composed of the first positioning plate 12a and the second positioning plate 12b is separated from the tatami table 200, as shown in FIG. Then, the holding and moving device 44 is operated.

That is, at the position where the lower end of the positioning member 12 composed of the first positioning plate 12a and the second positioning plate 12b is separated from the tatami table 200, the upper holding member 44a and the lower holding member 44b are closed, The protruding tip of the tatami mat 200 (in this embodiment, the lower front side 202b) is sandwiched.
Then, in a state where the tatami floor 206 is placed on the back surface 205 of the tatami table 200, a direction away from the side surface 208 (the lower side 206b in this embodiment) of the tatami floor 206 (FIGS. (In the direction of arrow J).

  As a result, in step S4, as shown in FIG. 8, the first positioning plate 12a and the second positioning plate 12b of the positioning member 12 are connected to the side of the tatami floor 206 (in this embodiment, the lower front side). By contacting the side 206b), the first positioning plate 12a and the second positioning plate 12a are pressed against the biasing force of the first positioning mechanism 38a and the second positioning mechanism 38b, which are composed of biasing members such as spring members. Of the positioning plate 12 is a predetermined angle α in conformity with the shape of the habit.

  Then, in step S5, as shown in FIG. 9, the vertical drive mechanism 40 is operated to lower the pressing member 42 and press the back surface 212 of the tatami floor 206.

  In this case, as shown in FIG. 8 (A), the shape of the habit is formed into a concave shape in a U-shape or, as shown in FIG. In order to cope with the habit, if the angle formed by the first positioning plate 12a and the second positioning plate 12b of the positioning member 12 is slightly 180 degrees, the angle may be set to the upper side in FIG. good.

  After this state, the upper holding member 44a and the lower holding member 44b are separated and opened.

  In this state, in step S6, as shown in FIG. 10, the vertical driving device 18 is driven to bend the positioning member 12 composed of the first positioning plate 12a and the second positioning plate 12b. It is lowered to a position where it comes into contact with the tatami table 200.

  Thereby, the tatami mat 200 is crushed by the lower ends of the first positioning plate 12a and the second locating plate 12b, and a bending line (bending line) 203 is formed. In the embodiment, the lower front side 202b) can be bent upward.

  In this case, if it is not possible to slightly fold the protruding side 202 of the tatami table 200 upward, the worker may fold it upward to some extent by hand or, for example, separately use a lifting member (not shown). In this case, the protruding side 202 of the tatami mat 200 may be slightly bent upward.

  In this state, in step S7, as shown in FIG. 11, by driving the drive mechanisms 50 and 54 of the bending member 46 under the control of a control device (not shown), The first bending plate 46a and the second bending plate 46b of the bending member 46 are moved so that the angle formed between the first bending plate 46a and the second bending plate 46b of the bending member 46 becomes a predetermined angle β. Is rotated about the virtual center axis Q.

  In this case, the predetermined angle β is controlled by a control device (not shown) so as to be the angle α between the first positioning plate 12a and the second positioning plate 12.

  Next, in step S8, as shown by the arrow in FIG. 12, the bending member 46 including the first bending plate 46a and the second bending plate 46b is bent to some extent upward by a drive mechanism (not shown). The tatami mat 200 is moved in the direction in which it comes into contact with the protruding side 202 (in this embodiment, the lower front side 202b).

  Thereby, the protruding side 202 (the lower front side 202b in this embodiment) of the tatami table 200 is connected to the first bending plate 46a and the second bending plate 46b of the bending member 46 and the first bending plate 46b of the positioning member 12. Between the positioning plate 12a and the second positioning plate 12b, the side 202 of the tatami mat 200 can be bent inward (vertically).

  The lowering of the pressing member 42 in step S5 and the lowering of the positioning member 12 to the contact position in step S6 can be performed simultaneously or in the reverse order.

  In the tatami folding apparatus 10 of the present invention configured as described above, the operations of the above-described steps S1 to S8 are repeatedly performed.

  In this embodiment, as the side 202 of the tatami table 200, the case where the lower front side 202b is bent along the shape of the lower front side 206b of the tatami floor 206 is shown. The present invention can also be applied to a case where the upper front side 202a is bent along the shape of the upper front side 206a of the tatami floor 206.

  According to the tatami folding apparatus 10 of the present invention configured as described above, the angle between the first positioning plate 12a and the second positioning plate 12b of the positioning member 12 is predetermined according to the side shape of the tatami floor. The first positioning plate 12a and the second positioning plate 12b of the positioning member 12 are rotated about the virtual center axis P so that the angle?

  The positioning member 12 positioned at the predetermined angle α in accordance with the shape of the side of the tatami floor 206 (in this embodiment, the lower front side 206b) drives the vertical drive device 18 As a result, it descends to a position where it comes into contact with the folding tatami table 200.

  In this manner, in a state where the positioning members 12 (the first positioning plate 12a and the second positioning plate 12b) are lowered to a position where they come into contact with the folding tatami table 200, the bending members 46 (the first bending plate 46a and the The second folding plate 46b) is configured to bend the side of the tatami surface inward.

  Therefore, the tatami table 200 can be bent in a direction along the tatami floor (the direction of the rush), and the side 202 of the tatami table 200 (upper front side 202a and lower front side 202b). ) To the side of the tatami floor 206 (the upper front side 206a and the lower front side 206b) to form a U-shaped concave shape or a U-shaped protruding habit. A very convenient and versatile tatami surface folding apparatus 10 that can be folded into a conformed shape and has improved work efficiency can be provided.

  Further, as described above, the side 202 of the tatami mat 200 (the upper front side 202a and the lower front side 202b) is replaced with the side of the tatami floor 206 (the upper front side 206a and the lower front side 206b). In accordance with the shape, it can be bent into a shape that is concave in a U-shape or a shape that matches the shape of a habit protruding in a U-shape, so that the fold (folding habit) is firmly attached and the corners are rounded When the bent portion is fixed to the side surface 208 of the tatami floor 206, the tatami mat can be firmly fixed without a so-called floating state. Can be provided.

  Further, the first bent plate 46a and the second bent plate 46b of the bending member 46 are formed according to the shape of the side 202 (upper front side 202a and lower front side 202b) of the tatami floor 206. The first bending plate 46a and the second bending plate 46b of the bending member 46 are rotated about the virtual center axis Q so that the angle becomes the predetermined angle β.

  As a result, the side member 202 of the tatami table 200 (the upper front side 202a and the lower front side 202) is bent by the bending member 46 in which the angle between the first bending plate 46a and the second bending plate 46b is a predetermined angle β. The side 202b) is recessed into a U-shape or projected into a U-shape according to the side of the tatami floor 206 (upper front side 206a and lower front side 206b). It can be folded into a shape that matches the shape.

  In addition, it is configured to be lowered by driving of the vertical driving device 18 to a position slightly separated from the tatami table 200 immediately before contact with the tatami table 200 to be bent.

  Then, at the position separated from the tatami mat 200 in this manner, by the operation of the holding and moving device 44, the protruding tip of the tatami mat 200 is held, and the tatami mat 206 is placed on the back surface 205 of the tatami mat 200. Is moved in a direction away from the side edge of.

  Thereby, the side edges (upper front side edge 206a and lower front side edge 206b) of the tatami floor 206 are brought into contact with the positioning member 12 (first positioning plate 12a and second positioning plate 12b). Accordingly, the angle between the first positioning plate and the second positioning plate becomes a predetermined angle according to the shape of the side of the tatami floor 206 (the upper front side 206a and the lower front side 206b). As described above, the first positioning plate 12a and the second positioning plate 12b of the positioning member 12 can be rotated around the virtual center axis P.

  Therefore, for example, the angle α between the first positioning plate 12a and the second positioning plate 12b can be set to a predetermined angle with a simple structure without requiring any numerical control or the like, which is convenient.

  In this embodiment, at the position separated from the tatami table 200, by operating the holding and moving device 44, the protruding tip of the tatami table 200 is clamped, and the tatami mat 206 is placed on the back surface 205 of the tatami table 200. The floor 206 is configured to be moved in a direction away from the side edge.

  However, without using such a holding and moving device 44, the first positioning mechanism 38a and the second positioning mechanism 38b are not illustrated as biasing members such as spring members as in the embodiment of FIG. Is constituted by a drive mechanism (horizontal movement device) such as a cylinder mechanism, and the angle α between the first positioning plate 12a and the second positioning plate 12b is set to a predetermined angle under the control of a control device (not shown). You can also.

  In this case, the step S2 of descending to a position slightly separated from the tatami table 200 immediately before contact with the tatami table 200 to be bent by driving the vertical driving device 18 may be omitted.

  Further, the tatami folding apparatus 10 according to the present invention is configured such that the side 202 of the tatami table 200 (the upper front side 202a and the upper front side 202a) is positioned with respect to the side of the tatami floor 206 (upper front side 206a and lower front side 206b). When the lower front side 202b) is bent inward, the tatami mat 200 may be fixed to the side of the tatami floor 206.

  For this fixation, for example, sewing, an adhesive, a tucker, a double-sided tape, or the like may be used.

  With this configuration, the side 202 (upper front side 202a and lower front side 202b) of the tatami table 200 is replaced with the side of the tatami floor 206 (upper front side 206a and lower front side 206b). ), The tatami mat 200 can be bent to a shape that matches the shape of the U-shape or a shape that matches the shape of the habit protruding from the U-shape, and the tatami table 200 can be fixed to the side of the tatami floor 206. , And integrated production is possible and convenient.

  Although not shown, the bending member 46 (the first bending plate 46a and the second bending plate 46b) includes a heating member for heating the bending member 46 (the first bending plate 46a and the second bending plate 46b). For example, a heater including a sheathed heater or the like may be provided.

  When the tatami table 200 is made of, for example, rush grass made of resin, the heater heats the vicinity of the folding line 203 when bending the folded side (the side 202 of the tatami table 200). To make it soft and easy to bend from the bending line 203.

  The heater is not particularly limited, and a known heater can be used. In this case, the heating temperature is not particularly limited, and may be appropriately set according to the type of rush made of resin. For example, the heating temperature can be set to 120 ° C.

  In this embodiment, the heater is provided in the bending member 46. However, such a heater may be provided in at least one of the bending member 46 and the positioning member 12 described with reference to FIGS. Of course there is.

  Further, although not shown, if necessary, a folding line forming means is provided to facilitate folding along a folding line 203 for folding the side to be folded of the tatami table 200 (the side 202 of the tatami table 200). A folded line may be formed.

  As such a folding line forming means, for example, a squeezing member made of a skewing roller, for example, a heated squirting member made of an electric heating iron can be adopted.

  In this case, in the case where the tatami table 200 is, for example, a tatami table 200 made of natural rush and a tatami table 200 made of Japanese rush, it is sufficient to form a folding line using a snake member. In a tatami mat 200 made of rush, etc., it is desirable to use both the heating member and the heating member.

  With this configuration, when the side to be bent of the tatami table 200 (the side 202 of the tatami table 200) is bent, the vicinity of the fold line 203 is heated and softened, and the fold line 203 of the tatami table 200 is used as a fulcrum. When bending inward, bending is facilitated, breakage side edges of the tatami mat 200 can be prevented from being damaged and damaged, and an edge-free tatami mat having good appearance and high commercial value can be manufactured.

  Further, in this embodiment, the first positioning plate 12a and the second positioning plate 12b of the positioning member 12 are constituted by plate members arranged perpendicular to the tatami mat 200 to be bent.

  However, as shown in FIG. 13, the first positioning plate 12a and the second positioning plate 12b of the positioning member 12 may be formed of plate members arranged in parallel with the folding tatami table 200. .

  When the positioning member 12 is composed of plate members arranged in parallel, as described above, the tatami mats 200 and 200 are not placed at the same time, and only the tatami mats 200 are placed. An embodiment in which bending is performed may be adopted.

  Further, in this embodiment, the bending member 46 (the first bending plate 46a and the second bending plate 46b) is configured to move in the horizontal direction. However, as shown in FIG. The first bending plate 46a and the second bending plate 46b) can be configured to move up and down with respect to the positioning member 12 from below.

  Further, as shown in FIG. 15, the first positioning plate 12a and the second positioning plate 12b of the positioning member 12 may be configured to be mutually angularly movable about the virtual center axes P1 and P2. .

  In this case, as shown in FIG. 15, an auxiliary positioning member 56 is provided in the gap S between the first positioning plate 12a and the second positioning plate 12b by a driving mechanism (not shown). What is necessary is just to make it contact this gap S in the arrow direction.

  Also, as shown in FIG. 16 (A), even if a plurality of positioning members including the first positioning plate 12a and the second positioning plate 12b are arranged along the side of the tatami mat 200. good.

  Correspondingly, as shown in FIG. 16B, a plurality of bending members 46 including a first bending plate 46a and a second bending plate 46b are provided along the side of the tatami table 200. It may be arranged.

With this configuration, as shown in FIG. 20, for example, as in a booth, a plurality of gussets are arranged in accordance with the sides of the tatami floor (the upper front side and the lower front side). It can be bent at once into a shape that is concave in the shape of a U-shape or a shape that matches the shape of a habit protruding into a plurality of U-shapes.
(Example 2)

  Further, the tatami table folding apparatus 10 of the present invention configured as described above can be applied to a case where only the tatami table 200 is folded as shown in FIG.

  The tatami table folding apparatus 10 of this embodiment has basically the same configuration as the tatami table folding apparatus 10 shown in FIGS. 1 to 16, and the same components are denoted by the same reference numerals. Detailed description is omitted.

  In this case, as shown in the flowchart of FIG. 18, by the driving of the up-down driving device 18, a step S <b> 2 of descending to a position slightly separated from the tatami table 200 immediately before coming into contact with the tatami table 200 to be bent, the nipping movement Step S3 for operating the device 44 may be omitted.

  Further, in step S4, the first positioning mechanism 38a and the second positioning mechanism 38b are not used as the biasing member such as the spring member as in the embodiment of FIG. Although not shown, it is constituted by a driving mechanism (horizontal movement device) such as a cylinder mechanism, and the angle α between the first positioning plate 12a and the second positioning plate 12b is set to a predetermined angle under the control of a control device (not shown). You should do it.

  In this case, although not shown, it is also possible to provide a dedicated tatami table folding device 10 that bends only the tatami table 200 without providing the holding and moving device 44.

  The preferred embodiment of the present invention has been described above. However, the present invention is not limited to this. For example, in the above embodiment, although not particularly limited, the tatami folding apparatus 10 of the present invention is It can be configured so as to correspond to both for 1 tatami and 1 tatami mats.

  For example, it is also possible to make the folded side of the tatami table 200 (the side 202 of the tatami table 200) bend by half tatami by making the tatami table folding apparatus 10 of the present invention correspond to the length for semi-tatami. Also, in this case, the side to be bent of the tatami table 200 (the side 202 of the tatami table 200) can be folded half-tatami at a time to accommodate one tatami mat.

  Further, in the above embodiment, the tatami table folding apparatus according to the present invention is arranged such that the folded side of the tatami table 200 (side 202 of the tatami table 200) is oriented in a direction perpendicular to the texture direction of rush (the direction of rush). Although the case where the side of the tatami mat 200 is bent is described above, the present invention is also applicable to the case where the side of the tatami table 200 on the side of the frame 206c is bent.

  Further, the tatami folding apparatus 10 configured as described above may be arranged on the upper front side and the lower front side corresponding to the upper front side and the lower front side of the tatami floor.

  As described above, since the tatami mat folding apparatus is arranged on the upper front side and the lower front side corresponding to the upper front side and the lower front side of the tatami floor, the sides of the tatami mat (the upper front side side and the lower front side side). ) To the sides of the tatami floor (the upper front side and the lower front side), a shape that is concave in a U-shape or a shape that matches the habit shape that protrudes in a U-shape In addition, the upper front side and the lower front side can be simultaneously bent.

  Therefore, for example, in the case of laying down the tatami corridor or the edge side, as shown in FIG. 19A, the sides of the tatami floor 206 (the upper front side 206a and the lower front side 206b) are separated from each other. As shown in FIG. 19B, the sides of the tatami floor 206 (the upper front side 206a and the lower front side 206b) protrude in a U-shape. Even when there is a habit, the upper front side and the lower front side can be simultaneously bent, and a step such as rotating the tatami floor by 180 degrees is unnecessary, so that the number of steps can be reduced and the cost can be reduced, which is very convenient.

  Thus, the tatami folding apparatus 10 of the present invention can be variously modified without departing from the object of the present invention.

  BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tatami table folding apparatus for folding inward the sides (upper front side and lower front side) of a tatami table used for borderless tatami, and more particularly to a tatami table used for borderless tatami. (Upper front side and lower front side) can be applied to a tatami surface folding apparatus for inwardly bending a stalk of rush in a tatami surface along a tatami floor.

REFERENCE SIGNS LIST 10 tatami front folding device 11 mounting table 12 positioning member 12a first positioning plate 12b second positioning plate 12c, 12d notch portion 14a first upper plate portion 14b second upper plate portion 16a first drive shaft 16b second Drive shaft 16c Rotation shaft 16d Rotation shaft hole 18 Vertical drive device 20 Moving frame 22 Horizontal frame 22a First rotation hole 22b Second rotation hole 22c Shaft support hole 24 Vertical frame 26a First pivot Shaft 26b Second pivot shaft 28a First lever member 28b Second lever member 30 Drive frame 30a First drive pivot 30b Second drive pivot 32 Pivot shaft 34 Drive cylinder 36 Drive shaft 38a First positioning mechanism 38b Second positioning mechanism 40 Vertical drive mechanism 42 Holding member 44 Nipping / moving device 44a Upper holding member 44b Lower Holding member 46 Bending member 46a First bending plate 46b Second bending plate 46c, 46d Notch 48 Pivot shaft 50 Drive mechanism 50, 54 Drive mechanism 52 Pivot shaft 54 Drive mechanism 56 Auxiliary positioning member 200 Tatable table 201 Edgeless tatami 202 Side 202a Upper front side 202b Lower front side 203 Bending line (bending line)
204 Side 205 Back surface 206 Tat floor 206a Side 206b Side 206c Frame 208 Side 210 Side 212 Back 300 Tatami folding device 302 Device frame 304 Rail 306 Upper front shaping unit 308 Lower front shaping unit 310 Vertical shaft 312 Turning base A Grass direction B Arrow C Arrow D Arrow E Arrow F Arrow G Arrow H Arrow J Arrow P Virtual center axis P1, P2 Virtual center axis Q Virtual center axis S Gap α Angle β Angle

Claims (14)

A tatami table folding device for bending the side of the tatami table inward,
A positioning member including a first positioning plate and a second positioning plate that can move relative to each other about a virtual center axis;
An upper and lower drive device that allows the positioning member to move up and down with respect to the tatami mat to be bent,
A folding member for folding the side of the tatami table inward,
The first positioning plate and the second positioning plate of the positioning member are arranged such that the angle formed by the first positioning plate and the second positioning plate is a predetermined angle according to the side shape of the tatami floor. Is configured to rotate about a virtual central axis,
The positioning member positioned at the predetermined angle is configured to be lowered to a position where the positioning member is brought into contact with the folded tatami table by driving the vertical driving device,
A folding device for folding a tatami table, wherein the folding member is configured to bend the side of the tatami table inward while the positioning member is lowered to a position where the positioning member comes into contact with the tatami table to be folded.   2. The tatami table folding apparatus according to claim 1, wherein the first positioning plate and the second positioning plate of the positioning member are formed of plate members arranged perpendicular to a tatami table to be bent. 3. .   The tatami table bending apparatus according to claim 1, wherein the first positioning plate and the second positioning plate of the positioning member are formed of plate members arranged in parallel with a tatami table to be bent. .   The folding device according to any one of claims 1 to 3, wherein the bending member is configured of a bending member that is movable in a direction in which the bending member moves toward and away from the positioning member.   The folding device according to any one of claims 1 to 3, wherein the bending member is configured of a bending member that is movable in a vertical direction with respect to the positioning member. The bending member is composed of a first bending plate and a second bending plate that can move relative to each other about a virtual center axis,
The first bending plate and the second bending plate of the bending member are arranged so that the angle formed between the first bending plate and the second bending plate is a predetermined angle in accordance with the side shape of the tatami floor. The tatami table bending apparatus according to any one of claims 1 to 5, wherein the apparatus is configured to be rotated about a virtual center axis.   The tatami table folding apparatus according to any one of claims 1 to 6, wherein the tatami table to be folded is a tatami table that is folded inward by itself.   The tatami mat to be folded is a tatami mat that can be folded inward on a side of the tatami mat with respect to a side of the tatami mat with a tatami mat placed on the back of the tatami mat. A tatami table bending apparatus according to any one of the above.   The tatami mat according to claim 8, wherein the tatami mat is fixed to the side of the tatami floor when the side of the tatami mat is bent inward with respect to the side of the tatami floor. Bending device. By the drive of the vertical drive device, it is configured to descend to a position slightly separated from the tatami table immediately before contact with the tatami table to be bent,
At a position away from the tatami mat, holding a protruding tip of the tatami mat, and with a tatami mat placed on the back side of the tatami mat, a pinching and moving device for moving the tatami mat in a direction away from the side of the tatami mat,
The angle between the first positioning plate and the second positioning plate according to the side shape of the tatami floor by bringing the side of the tatami floor into contact with the positioning member by the operation of the nipping and moving device. 9. The apparatus according to claim 8, wherein the first positioning plate and the second positioning plate of the positioning member are rotated about a virtual center axis so that the angle is a predetermined angle. 10. The tatami surface bending device according to any one of items 1 to 9. A horizontal moving device for moving the positioning member in a horizontal direction,
By the drive of the vertical drive device, it is configured to descend to a position slightly separated from the tatami table immediately before contact with the tatami table to be bent,
By operating the horizontal movement device at a position separated from the tatami mat surface, the side of the tatami mat is brought into contact with the positioning member, so that the first positioning plate and the first positioning plate are aligned with the side of the tatami mat. The first positioning plate and the second positioning plate of the positioning member are configured to rotate about a virtual center axis so that the angle formed by the second positioning plate and the second positioning plate becomes a predetermined angle. The tatami surface bending apparatus according to any one of claims 8 to 9, wherein:   The positioning member composed of the first positioning plate and the second positioning plate is arranged in plural along the side of the tatami mat, according to any one of claims 1 to 11, wherein: Tatami table bending device.   13. The tatami table bending apparatus according to claim 12, wherein a plurality of bending members each including the first bending plate and the second bending plate are arranged along a side of the tatami table.   The tatami mat folding apparatus according to any one of claims 1 to 13, which is arranged on an upper front side and a lower front side corresponding to an upper front side and a lower front side of a tatami floor, respectively. The tatami surface bending apparatus according to any one of the above.

Images