JPH0637056B2 - Tatami disassembly device - Google Patents

Description

The present invention relates to a tatami mat, in particular, a tatami mat in which a material such as straw is arranged on a core material composed of a synthetic resin plate such as Styrofoam, an insulation board and the like. TECHNICAL FIELD The present invention relates to a tatami decomposition device that decomposes a material into the material and the material adjacent thereto.

[Prior art and its problems]

In recent years, due to the shortage of straw material, Styrofoam etc. are used for the core material,
A tatami mat is widely used in which a straw material or the like is adjacent to the core material, a tatami mat surface material is provided on one side, and a backing paper material or the like is provided on the other side, if necessary.

Considering the generation of harmful gases when incinerating this type of tatami when it is used up and the recycling of resources, it is desirable to separate the core material and the adjacent material and dispose of them separately. .

However, conventionally, there is no device for automatically disassembling such a tatami mat.

Therefore, an object of the present invention is to provide a tatami disassembling device for automatically disassembling a tatami of this type into a core material and a material adjacent thereto.

[Means for solving problems]

An object of the present invention is to provide a guide path device for guiding and moving a tatami mat, a feed drive device facing the guide path device for moving the tatami mat along the guide path device, and a feeding device along the guide path device. A yarn cutting device that cuts into the tatami from the tip end surface of the tatami mat, and cuts the tatami binding yarn, and a core material of the tatami mat after thread cutting, which is sent along the guide path device, is adjacent to the core material. And a material separating device for separating materials.

The guideway device preferably includes a device for positioning and adjusting the advancing tatami mat with respect to the yarn cutting device.

Various types can be adopted for each of the feeding drive devices, but as an example, the projection pawls are radially provided at a plurality of positions on each of a pair of shafts that are driven and rotated with a tatami mat being fed therebetween. The thing provided with the feed drive part can be mentioned.

As the thread cutting device, a device having a belt saw cut into the tatami from the tatami tip surface can be exemplified. Needless to say, a saw that is reciprocally driven into the tatami and cuts from the tip surface of the tatami mat can be used.

Further, various types of material separating devices can be adopted, but typically, the material separating device faces the yarn cutting portion of the tatami after being cut along the guide path device, An edge member that vibrates by entering the thread cutting portion as it progresses and a material removing device that is disposed behind the edge member and that removes the material adjacent to the core material from the core material of the tatami mat. You can list what you have.

When this type of material separating device is adopted, the material removing device is provided with, for example, a removing part formed by radially providing protrusions made of a flexible elastic material at a plurality of positions of a drive-rotating shaft. Things can be adopted. In addition, if the protrusion can remove the material,
It goes without saying that it does not have to be made of a flexible elastic material.

As the guide path device, various types such as a device that can guide the tatami mat in a standing posture and a device that can guide the tatami mat in a horizontal posture can be considered. The arrangement of the feeding drive device, the yarn cutting device, the material separating device, etc. may be appropriately determined according to the guide posture of the tatami mat.

[Work]

According to the tatami mat disassembling device of the present invention, the tatami mat is removed in advance by cutting off the ears on the four sides of the tatami mat, or by cutting the thread sewing the tatami mat, and is inserted into the guide path device.

After that, the tatami mat is advanced along the guide path device by the feed drive device, and first reaches the yarn cutting device, where the vicinity of the boundary between the core material and the material adjacent to it from the tatami tip surface is detected by the yarn cutting device. It is cut and the tatami binding thread is cut as the tatami mat progresses. After thread cutting, the tatami is further advanced and reaches a material separating device, where it is separated into a core material and an adjacent material. In this separation, the radial projections of the drive-rotating scraping part of the material scraping device of the material separating device come into contact with the material adjacent to the core material and hook it to remove it from the core material. Done in.

〔Example〕

An embodiment of the present invention will be described below with reference to the accompanying drawings.

As shown in FIG. 3 and FIG. 4, the illustrated tatami disassembling apparatus has straw members 82, 83 on both sides of a styrofoam core member 81.
A device for separating the straw members 82 and 83 from the core member 81 of the tatami mat 8 in which the guide path device 1, the three driving devices 2, 3 and 4, the yarn cutting device 5, and the material separating device are separated. 6 and.

The guideway device 1 comprises two parts 11 and 12.

The part 11 is composed of a roller conveyor 111 having a plurality of idler rollers 110 and a plurality of idler rollers 112 arranged vertically along both sides thereof. When the tatami mat 8 is inserted into the mat, the tatami mat is maintained at such a standing posture.

The part 12 is provided with a sliding plate 121 on which the tatami mat 8 can slide, which sliding plate is installed flush with the roller conveyor 111.

The guideway device 1 also includes a tatami positioning device 13. The device 13 has a transfer direction X of the roller conveyor 111.
It is provided with a V-shaped guide plate 131 that is installed above the conveyor along the conveyor, and a free-running roller 132 that can be adjusted toward and away from the guide plate.
It is provided upright on a frame 133 which is movable in a direction perpendicular to the transport direction of 11 and whose position can be adjusted.

The yarn cutting device 5 is arranged for the part 11 of the guideway device and the material separating device 6 is arranged for the part 12 of the guideway device.

The drive device 2 is arranged in front of the yarn cutting device 5, and the drive device is provided with a plurality of sets of radial projection claws N on each of a pair of vertical shafts S1 rotatably erected on both sides of the roller conveyor 111. Each vertical axis S including the feed drive unit 20
The gad motors 1 provided for the respective shafts are rotated in opposite directions and in the tatami feed direction.

The drive devices 3 and 4 are arranged in front of and behind the material separating device 6, each drive device comprising a slide plate 1 of the guideway device 1.
21 includes a feed drive unit 30 in which a plurality of sets of radial projection claws N are provided on each of a pair of rotatably erected vertical shafts S2, each vertical shaft S2 being a gad motor provided for each shaft. M is rotated in the opposite direction and in the tatami feed direction.

The yarn cutting device 5 includes a belt saw 51 that runs vertically between a guide plate 131 of the tatami positioning device 13 of the roller conveyor 111 and an idler roller 132 facing the guide plate 131. The belt saw 51 is located above the roller conveyor 111. The drive pulley 53 is wound around a driven pulley 52 that is installed over the drive pulley 53 provided below, and the drive pulley 53 is driven by a motor 55 via a transmission device 54. The position of the belt saw 51 is set so that it can be cut into the straw material 82 at a position P (see FIG. 3) that is close to the boundary between the core material 81 and the straw material 82 of the tatami mat 8 that is sent.

Between the yarn cutting device 5 and the sliding plate 121 of the guide path device 1, below the idler roller 110, a tadami dust receiving plate PL as shown by a phantom line in FIG. 2 may be provided.

The material separating device 6 includes an edge member 61 and a material removing device 62 arranged behind the edge member 61.

The edge member 61 is in the form of a strip plate having an edge 611, and is connected to a slider portion of a reciprocating slider crank mechanism driven by an electric motor (not shown) so as to be able to vibrate vertically. The edge 611 is positioned so as to be able to enter the thread cutting portion P of the tatami mat 8 after thread cutting which is fed along the guide path device 1.

Further, the material removing device 62 includes a pair of vertical shafts S3 rotatably provided on both sides of the slide plate 121 of the guideway device 1.
Each of the vertical shafts S3 is provided with a plurality of sets of radial protrusions n, and each vertical shaft S3 is rotated by the gad motor M in opposite directions and in the tatami feed direction.

The protrusion n is made of an elastic rubber material, and has a length that slightly reaches the core material 81 of the tatami mat 8 that is sent.

The disassembly of the tatami mat 8 by the tatami mat decomposer is performed as follows.

First, the tatami mat 8 is preliminarily removed by cutting the thread sewing the tatami mat 85 or removing the four side edges of the tatami mat. Then, it is inserted into the part 11 of the guideway device 1 with one longitudinal side end face down. Prior to this insertion of the tatami mat, the space between the guide plate 131 and the position-adjustable idler roller 132 of the tatami positioning device 13 is adjusted so that the yarn can be cut at a predetermined position of the tatami mat. So that it can be correctly positioned and guided with respect to the belt saw 51.

After that, the tatami mat is driven forward by the rotation of the feed drive unit 20 of the feed drive device 2, guided by the guide path device 1 and sent to the yarn cutting device 5. Therefore, the straw material 82 is provided near the boundary between the core material 81 and the straw material 82 adjacent to the tip end surface of the tatami mat at P.
Is cut, and the tatami binding thread 84 is cut as the tatami mat advances. After thread cutting, the tatami is further advanced with the aid of the feed drives 3 and 4 to reach the material separating device 6. Then, the thread cutting portion is further spread by the edge member 61 that vibrates up and down, and then the material scraping device 60.
The rotating protrusions n of the contact the straw material 82 and the backing material 86, and the straw material 83 behind these and the soft backing material 86 are also separated so as to be peeled off. The straw material 83 and the backing paper 86 are scraped off from the core material 81.

Thus, the straws 82, 83 and the backing paper 86 are the guideway device 1
, And the core material 81 is sent to the outside of the end of the device 1 by the feed drive device 4, and the tatami mat disassembly ends.

〔The invention's effect〕

According to the present invention, a tatami mat in which a material such as straw is placed on a core made of a synthetic resin plate such as styrene foam or an insulation board is automatically disassembled into the core and the material adjacent to the tatami. Therefore, there is an effect that it is possible to provide a tatami disassembling device that can facilitate the disposal of used tatami mats and can easily reuse a part of the tatami mats after use.

[Brief description of drawings]

FIG. 1 is a schematic plan view with a part omitted of one embodiment of the present invention.
1 is a schematic side view of the embodiment of FIG. 1 with some parts omitted, and FIGS. 3 and 4 are a partial plan view and a side view of a tatami mat disassembled by an embodiment apparatus. 1 ... Guide path device, 13 ... Tatami positioning device, 2, 3, 4 ... Feed drive device, 20 ... Feed drive part, S1, S2 ... Vertical shaft, N ... Radial protrusion part, 5 ... Thread cutting device, 51 ... Belt saw, 6 ... Material separating device, 61 ... Edge member, 62 ... Material scraping device, S3 ... Vertical shaft, n ... Radial protrusion, 8 ... Tatami, 81 ... ... core material, 82, 83 ... straw material, 84 ... tatami mat, 85 ... binding thread, 86 ... backing paper.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Nobuhisa Nakajima 5-1-2-22 Shodo, Sakae-ku, Yokohama-shi, Kanagawa

Claims (5)

[Claims] 1. A guide path device for guiding and moving a tatami mat,
A feed drive device that faces the guide path device for moving the tatami along the guide path device, and cuts the tatami binding yarn by cutting from the tip surface of the tatami sent along the guide path device into the tatami mat. And a material separating device for separating a material adjacent to the core material from the core material of the tatami after the thread cutting, which is sent along the guide path device, the material separating device comprising: An edge member that faces the thread cutting portion of the tatami after cutting the thread sent along the guide path device and that vibrates by entering the thread cutting portion as the tatami mat progresses; and an edge member disposed behind the edge member. The tatami mat has a material removing device for removing the material adjacent to the core from the core,
The tatami disassembling device, wherein the material shredding device is equipped with a shredding part having radial projections at a plurality of positions on a shaft that is driven and rotated. 2. The tatami disassembling device according to claim 1, wherein the guide path device includes a device for positioning and adjusting the advancing tatami with respect to the yarn cutting device. 3. Each of the feed drive devices is provided with a feed drive section in which projecting pawls are radially provided at a plurality of positions on each of a pair of shafts that are driven and rotated with a tatami mat being fed therebetween. The tatami mating device according to claim 1 or 2. 4. The tatami disassembling apparatus according to claim 1, 2, or 3, wherein the yarn cutting device includes a belt saw that cuts into the tatami mat. 5. The tatami disassembling apparatus according to any one of claims 1 to 4, wherein the protrusions of the material removing device are made of a flexible elastic material.