JP2001300437A - Automatic apparatus for cleaning tatami facing - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an apparatus which cleans both sides of a long tatami facing surely, automatically, and efficiently in one process to effect labor saving. SOLUTION: The apparatus is composed of a rolled sheet basket B for housing a tatami facing A located below a step 21 on which an operator stands, a guide bar 1 for introducing the tatami facing A correctly, a feed roller 7 for conveying the tatami facing, press rollers 8-13 arranged on the roller 7, a brush 2 which is placed in an upper stage housing 19 and cleans the upper surface of the tatami facing A, a buff 5 placed in the housing 19, a conveyance belt 22 to be a feed guide for bringing down the tatami facing A smoothly to make the U-turn of it, a roller 14 for circulating the belt 22, a rotary brush 3 which is placed in the lower stage housing 19 and cleans the lower surface of the tatami facing A, a rotary buff 6, and a small-size brush 4 for removing dust adherent to the upper surface of the tatami facing during conveyance.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used in the field of tatami manufacturing.

[0002]

2. Description of the Related Art In a manufacturing process of tatami mats, cut rushes are soaked in dyed soil, and the rushes are dried and woven. A blue-green tatami mat can be obtained through this mud dyeing process. Since the dyed soil has an effect of suppressing discoloration during the production of tatami mats, after finishing the tatami mats, a method of removing the mud on the tatami surface by brushing manually or rotating the brush has been adopted. As a relatively new method, there has been used a device which has a brush inside a housing and cleans a tatami surface while the housing is moving. The above technique is a method of cleaning a tatami table after setting the tatami table on a tatami floor.

On the other hand, there is an apparatus for cleaning only one side of a tatami surface before setting it on a tatami floor. This is a device in which a long tatami mat carried in by a roller is cleaned and carried out by rotation of a brush in a fixed housing.

[0004]

While a new tatami mat is being used, the tatami mat will fade or the upper surface of the tatami mat will be damaged, and it is common practice to turn the tatami mat over and use it again. In this case, it is necessary to clean a new upper surface of the tatami table, and it is a conventional general method to renew the tatami table and then clean it. As described above, it is necessary to clean the tatami mat twice when making a new tatami mat and when turning the tatami mat upside down, which is troublesome. In any case, since the tatami mat is cleaned after the tatami mat is spread, the tatami mat may be stained or damaged by brushing or the like. If only one side of the tatami mat is clean, the dyed soil clogged on the back or the weave of the tatami mat may be peeled off from the tatami mat and used as dust during use.

When only one side of the long tatami mat is cleaned,
Because it is folded or rolled up and transported to the user, the dyed soil on the uncleaned surface may adhere to the cleaned surface again.

In order to improve such a problem, it is a reliable method to clean both sides of the tatami mat in advance when a new tatami mat is manufactured, which also saves labor for the cleaning work.

However, the conventional technique has the following problems when cleaning both sides of the tatami mat. In the method of cleaning the tatami table after setting the tatami table, it is impossible to clean both sides, as a matter of course. Also, when using a device that cleans one side of the tatami surface before putting it on the tatami floor, it is necessary to clean one side once, turn the long tatami surface over, set it again in the cleaning device, and then clean the other side again. It is a laborious task. The challenge is to develop a device that cleans both sides of the tatami mat in a series of operations.

[0008]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention is an apparatus for reliably removing dyed soil on both sides of a tatami mat having a maximum length of several tens of meters by a labor-saving method without labor. It is intended to provide.

According to the first aspect of the present invention, the tatami mat conveyed by the feed roller is cleaned by rotating a brush and a buff supported at both ends of the shaft. In addition, the brush and buff separately placed rotate and clean the other side of the tatami surface. Further, in the apparatus of the present invention, from the time when the front end of the tatami mat is set in the apparatus to the time when the rear end of the tatami mat is sent out, the driving of the feed roller for transporting the tatami mat, the vertical movement of the holding roller, the rotation of the brush and the buff, and the rotation of the brush and the buff are performed. All the operations, such as the vertical movement of the brush and the buff, are consistently performed by appropriately set automatic control.

According to a second aspect of the present invention, a tatami mat with dyed soil attached to its surface or texture is conveyed into a housing through a feed roller and a holding roller, and only the surface of the tatami mat is rotated by rotation of a brush provided in the housing. Clean so as to sweep out the dry dyed soil adhering to the weave. In addition, immediately after the brush, the cotton buff provided in the housing is rotated to wipe off the finely dyed soil on the tatami surface and finish it. Placing a buff immediately after the brush ensures that the tatami mats are cleaned cleanly and carefully.

According to a third aspect of the present invention, the tatami mat conveyed by the pressing roller and the feed roller provided on the tatami mat conveyance path is prevented from being strongly pulled between the rollers or conversely loosened. For this reason, the rotation speed of the brush or buff is changed, or the direction of rotation is changed, so that the tatami mat is always smoothly transported in the apparatus.

On the other hand, the state of conveyance of the tatami mat in the apparatus is as follows.
Divide into stages. That is, when one end of the tatami mat is carried into the apparatus and passes through all the pressing rollers, brushes, and buffs, when the middle part of the length of the tatami mat is transported thereafter, and when the end of the tatami mat is near the end. Since the load in the transport direction applied to the tatami mat changes at each stage, if the operation of the apparatus is set uniformly from the time of loading the front end of the tatami mat to the end of the tatami mat, a strong tension may be applied to the tatami mat between certain rollers, Conversely, loosening occurs between the rollers, and the flow is not smooth.

In order to solve this problem, a sensor is provided so as to detect the positions of the front end and the rear end of the tatami mat in the process of transporting the tatami mat, and up and down movement of the pressing roller, brushes and buffs based on information from the sensor. It has the function of changing the rotation speed, vertical movement, rotation direction mode and the like to smoothly operate the transport and cleaning of the tatami mat. Further, the apparatus is provided with a program for instructing to operate as predetermined.

According to a fourth aspect of the present invention, there is provided a belt operated by an automatic control so that a constant tension is always applied to the belt in a driving system including a brush and a buff rotating via a pulley and a belt by using a motor as a driving source. It is provided with a pushing device. That is, the brush and the buff move downward from the initial position until the surface of the tatami is lightly pressed when the tatami surface is cleaned (in the embodiment of the present invention, both the brush and the buff move in the direction approaching the motor). In this state, the belt is loosened, and the rotation of the motor is not transmitted to the brush and the buff normally.

In order to solve this problem, the belt pusher moves a predetermined distance by an air cylinder by automatic control while detecting the vertical movement of the brush or buff, and constantly applies a constant tension to the belt. This device allows the brush and buff to rotate normally. When the brush or buff is used for a long period of time, the tip of the brush or buff is worn and shortened due to repeated contact with the tatami mat, so that the amount of movement of the brush and buff changes, but the invention of claim 4 is a device that can also complement this.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The construction of an automatic tatami surface cleaning apparatus according to the present invention will be described with reference to FIGS. The tatami-mat cleaning equipment is placed on a support table 20 which is divided into upper and lower tiers, one set at a time. The upper tatami mat is a device for cleaning one surface of the tatami mat on the lower tier and the other on the lower tier. As a result, the device of the present invention can be made compact and the installation space can be reduced.

Tatami table A under step 21 where the worker stands
, A guide bar 1 for properly loading the tatami table A, a feed roller 7 for transporting the tatami table, pressing rollers 8 to 13 installed on the feed roller 7, and an upper case 19 Brush 2, which is installed in the housing and cleans the upper surface of the tatami table A, a buff 5 also installed in the housing 19, a conveyor belt 22 serving as a feed guide for smoothly lowering the tatami table A to make a U-turn, and the conveyor belt A roller 14 for rotating the roller 22; a rotating brush 3 and a rotating buff 6 installed in the lower housing 19 for cleaning the lower surface of the tatami table A; and a small brush 4 for removing dust adhering to the upper surface of the tatami table A during transportation. Thus, the device of the present invention is constituted. As shown in FIG. 5 (a), the brushes 2 and 3 are rotary brushes having an outer diameter of about 185 mm and spirally attached around a hair such as horse hair, pig hair or nylon around the entire circumference in the width direction. is there. Also buff 5,
Reference numeral 6 denotes an outer diameter of about 160 mm and a thickness of about 12 to 16 mm, which is obtained by narrowing a bias cut cotton cloth as shown in FIG. It is a rotating buff that is closely mounted.

A motor 17a is provided as a driving source for the brush 2 and the buff 6, a motor 17b for the brush 3 and the buff 5, a motor 18 for the feed roller 7, and a motor 27 for the small rotating brush 4. .

The transmission of the drive is performed by a belt 28a connecting the motor 17a, the brush 2, and the pulley of the buff 6. Similarly, the motor 17b, the brush 3 and the buff 5 are connected to the belt 28b.
Are tied together. Transmission between the feed drive motor 18, the feed roller 7, and the feed rollers 7 is performed by a belt 26.

The brushes 2, 3 and the buffs 5, 6 are lowered from the initial position to the point where the upper surface of the tatami table A is pressed when the tatami table is cleaned, and are raised when the tatami table A is not cleaned. When this operation is detected, the transmission belts 28a and 28b are detected. Is provided with a tension roller 24 for pushing or returning the belt so as to always maintain a constant pulling force.

The vertical movement of the brushes 2, 3, the buffs 5, 6 and the pressing rollers 8 to 13 is driven by an air cylinder 15 mounted on each device.

A sensor 16 is provided to detect the passage of the front end and the end of the tatami table A in the longitudinal direction. At the upper mounting position, the sensor 16a is located immediately below the guide bar 1 and the sensor 16b is located on the rear surface of the housing 19 of the buff 5 (FIG. 1).
In the lower part, the sensors 16c and 16d on the front surface (the left in FIG. 1) of the housing 19 of the brush 3 and the buff 6 are shown. In addition, there are a dust collector for removing the dust of the dyed soil in the housing 19, a basket B for holding the tatami table A cleaned on both sides, and a swash plate C for sliding the cage into the basket B.

The procedure for cleaning both sides of a long tatami mat with the apparatus of the present invention is as follows. Each step is shown in FIG.

One end of the long tatami table A with the dyed soil is taken out of the basket B of the raw cloth, positioned in the width direction with the guide bar 1, and manually inserted under the holding roller 8. At this time, the sensor 16a detects that the front end of the tatami mat has passed.

Step (1) When the foot switch (not shown) for the pressing roller is depressed, the pressing roller 8 descends.

Step (2) When the operation button is pressed, the dust collector is started, and the pressing roller 9, brush 2 and buff 5 are lowered.

Step (3) After about 2 seconds, the feed roller 7 starts to rotate, and the brush 2 and the buff 5 rotate forward (rotate the tatami table in the direction of the arrow in FIG. 1) to rotate from the front end of the upper surface of the tatami table A. Start to clean.

Step (4) When the upper rear sensor 16b detects passage of the tatami table A, the upper pressing roller 10 is lowered.

Step (5) The upper pressing rollers 8, 9 are raised, and the rotation of the brush 2 and the buff 5 is stopped. The feed drive also stops.

Step (6) After about 2 seconds, the brush 2 rotates in the reverse direction (rotation for feeding the tatami table A in the direction opposite to the arrow in FIG. 1), and the buff 5 rotates in the normal direction. The brush 3 descends while rotating forward. During this time, the tatami mat A is transported by the pressing roller 10 and the transport belt 22 and is cleaned from the end by the brush 3. At this time, the front end of the tatami mat has advanced to the position before the lower rear sensor 16c. Here, the reason why the brush 2 is reversed is to prevent the loosening of the tatami mat between the brush 2 and the buff 5 if the brush 2 is normally rotated.

Step (7) When the lower rear sensor 16c detects the passage of the front end of the tatami table A, the rotation of the brush and the buff is stopped, and the feed driving is also stopped. The pressing roller 8 is lowered, the pressing roller 10 is raised, the pressing rollers 11, 12, 13 are lowered, and the buff 6 is lowered.

Step (8) After about 2 seconds, brushes 2, 3,
The buffs 5 and 6 rotate forward, the feed drive advances, and both sides of the tatami surface are cleaned. (At this time, the front end of the tatami table A is immediately before the lower front sensor 16d.)

Step (9) When the lower front sensor 16d detects the passage of the front end of the tatami table A, the brush and the buff stop.
The upper pressing roller 8 and the lower pressing roller 12 move up, and the feed driving stops.

Step (10) After about 2 seconds, brush 2 reverse rotation, buff 5 forward rotation, brush 3 forward rotation, buff 6 reverse rotation, brush 4
Turns forward. (The tatami table A is sent in this state for a while and is cleaned.) During this step, most of the long tatami table is transported. The brush 2 and the buff 6 are reversed to prevent loosening in the area of the tube 22.

Step (11) When the upper front sensor 16a detects the end of the tatami table A, the brush and the buff stop rotating.
The feed drive stops. The lower holding roller 11 moves up.

Step (12) The brush 2, buff 5, brush 3, and buff 6 rotate in the reverse direction, and the brush 4 rotates in the forward direction. (At this time, the end of the tatami table A is located immediately before the upper rear sensor 16b.) In this step, the rear end of the tatami table becomes closer and the conveying force may be small, and other components than the pressing roller 11 are not required. The brushes 2, 3 and the buffs 5, 6 are all reversely rotated to prevent loosening.

Step (13) The end of the tatami table A is detected by the upper rear sensor 16b, the lower holding rollers 11, 12 are lowered, the brush 2 is raised, and the buff 5 is raised.

Step (14) When the lower rear sensor 16c detects that the end of the tatami mat A has passed, the brush 3 is raised.

Step (15) When the lower front sensor 16d confirms that the end of the tatami table A has passed, the buff 6 rises and the tatami table A
Cleaning of both sides is completed. Brush 2, buff 5, brush 3, buff 6 stop rotating, brush 3 rises. After about 2 seconds, brush 4 stops.
The feed drive roller 7 stops.

The procedure of the operation of the apparatus according to the present invention has been described above. However, the rotation of the brush and the buff are not always simultaneous forward rotations. For example, there are cases where the rotations are made in opposite directions as in steps (6) and (10), or all are rotated in reverse as in step (12). In such a rotation mode, an abnormal tension is generated on the tatami table A while the tatami table A is actually conveyed and cleaned.
Conversely, it was decided while confirming with the actual machine to prevent loosening. However, it goes without saying that the operation is not limited. The peripheral speed due to the rotation of the brushes 2 and 3 and the buffs 5 and 6 is about 7000 to 7500 mm / sec, but is much faster than the feed rate of the tatami table A of about 85 mm / sec. There is almost no difference.

The operation of the tension roller 24 is, for example, in step 2, the brush 2 and the buff 5 are lowered from the initial state (elevated state) (arrow X in FIG. 2). The roller 24 is a brush 2,
The drive transmission belts 28a and 28b of the buff 5 are moved by a required amount in the direction (arrow Y) shown in FIG.
The brush 2 and the buff 5 function normally so that the brush 2 and the buff 5 rotate normally by applying a constant pulling force to the b.

(Another embodiment of the invention) As another mode for cleaning both sides of the tatami table A, brushes 2 and 3 and buffs 5 and 6 are provided on both sides of the tatami table A so that the tatami table A is a plane of symmetry. Device. Each of the brushes 2 and 3 and the buffs 5 and 6 has a drive motor (not shown). In the apparatus of this embodiment, the transport path of the tatami table A can be reduced to about half that of the apparatus of the present invention, and the apparatus can be made more compact. Further, the number of feed rollers 7, holding rollers 8, 9, 10, air cylinders 15, position sensors (not shown), and the like required for transporting the tatami table A are reduced as compared with the above example. FIG. 7 shows a schematic diagram of the entire apparatus. The cleaning operation of the tatami mat includes the pressing rollers 8, 9, and 9 until the front end of the tatami mat passes the pressing roller 10.
10, the brushes 2 and 3 and the buffs 5 and 6 rotate forward (rotation in the same direction as the direction of the arrow indicating the traveling direction of the tatami mat in FIG. 7) in a lowered state. Is reversed (rotation in the reverse direction of normal rotation), the buffs 5 and 6 are rotated forward, and the pressing rollers 8 and 9 are raised. This prevents the tatami mats from becoming loose between the brushes 2 and 3 and the buffs 5 and 6. Also, when the rear end of the tatami table is close to the pressing roller 8, the brushes 2, 3, buffs 5, 6 are both reversed so that the rear end of the tatami table can be easily cleaned. Brush 2 described above,
3, the combination of the operation directions of the buffs 5, 6 and the pressing rollers 8, 9, 10 is merely an example. You can make settings.

[0043]

By using the automatic tatami surface cleaning apparatus of the present invention for a long tatami table, both sides of the tatami table can be automatically and reliably cleaned in a single step without bothering humans. Large and efficient.

[Brief description of the drawings]

FIG. 1 is a side view schematically illustrating an arrangement of main components of the apparatus of the present invention.

FIG. 2 is a diagram (side view) showing a drive path of the device of the present invention.

FIG. 3 is an overall assembly view (front view) of the apparatus of the present invention.

FIG. 4 is a front view of a feed roller and a pressing roller.

FIG. 5 is an overall front view of a rotating brush and a rotating buff.

FIG. 6 is a schematic view of the operation of the device of the present invention.

FIG. 7 is a schematic view (side view) of another embodiment of the present invention.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 feeding guide 2 rotating brush 3 rotating brush 4 rotating brush 5 rotating buff 6 rotating buff 7 feed roller 8 press roller 9 press roller 10 press roller 11 press roller 12 press roller 13 press roller 14 guide roller 15 air cylinder 16 a, b, b c, d sensor 17a, b motor 18 motor 19 housing 20 units 21 step 22 transport belt 24 tension roller 25 pulley 26 belt 27 motor 28 belt A tatami table B raw basket C swash plate

Continued on the front page (72) Inventor Masaki Kuroyasu F-term (reference) 3F116 AA04 AA08 BA02 BA08 BA14 CD42 CD43 3J103 AA02 AA72 FA15 FA30 GA02 GA32 GA52 GA64

Claims (4)

[Claims] 1. A tatami surface cleaning apparatus for cleaning dirt adhering to a tatami surface, wherein both sides of the tatami surface are cleaned in a single step while a tatami surface having a length of several meters to a few meters is transported by rollers. Automatic tatami table cleaning device. 2. The automatic tatami surface cleaning apparatus according to claim 1, further comprising a brush and a buff for enhancing a cleaning effect. 3. The method according to claim 1, wherein a function of changing the rotation speed of the brush or the buff during the cleaning of the tatami table, or changing the direction of rotation, has a function of smoothly transporting and cleaning the tatami table. Item 1. The automatic tatami surface cleaning device according to Item 1. 4. A brush and a buff rotating through a transmission belt driven by a motor and detecting the amount of vertical movement of the rotating shaft,
2. The automatic tatami surface cleaning apparatus according to claim 1, further comprising a tension device that constantly applies a uniform tensile force to the transmission belt.