JPH0560547A - Size detection unit for tatami - Google Patents

Abstract

PURPOSE:To simplify the structure of 'tatami' Japanese straw mattress size detection unit used for measuring both the length of 'tatami' which it is required to re-cover and the form of the 'tatami's shitamae (the edge making contact with threshold)' and to reduce the area required for installing the unit. CONSTITUTION:A stile stopper 21 is fixed at one end of a 'tatami' support frame which is slightly inclined relative to a vertical plane and three height measuring apparatuses 31, 33, 35 for measuring the heights of both end portions and the center portion of the 'shitamae' of a 'tatami' T are horizontally aligned on the upper portion of the 'tatami' support frame. The measuring apparatus 31 located near one end of the 'tatami' support frame is fixed while the height measuring apparatus 33 located at the center portion of the frame and the height measuring apparatus 35 located near the other end are provided in such a manner that they freely slide in the horizontal direction and also that the amount of sliding movement of the former is half of that of the latter, and a displacement detector 71 is provided for detecting the position of the height measuring apparatus 35 located near the other end of the frame.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION This invention relates to the replacement of tatami mats.
The present invention relates to a measuring device for measuring the length of a tatami mat and the shape in front of the tatami mat, which requires this table replacement.

[0002]

2. Description of the Related Art As a device for measuring the length and width of a rectangular plate-like body such as a tatami mat, a plate-like body supporting frame having substantially the same size as the plate-like body and the plate-like body supporting frame are provided. It has a rectangular sensor support frame that surrounds it, and one of the plate-shaped body support frame and the sensor support frame is formed so as to be movable up and down with respect to the other, and the sensor support frame is mounted on the plate-shaped body support frame. A displacement measuring instrument having a measuring element that moves back and forth with respect to each peripheral portion of the placed plate-shaped body is provided, and the plate-shaped body is mounted on the plate-shaped body support frame in a state in which the height is different from that of the sensor support frame. Is known, the dimension of the plate-shaped body is determined by the contact length of the probe with the plate-shaped body on the plate-shaped body support frame while the heights of both are approaching. Has been
29404).

In the above apparatus, an upper front stopper is fixed to one long side of the plate-shaped body support frame in correspondence with the upper front of the tatami (side edge on the side in contact with an adjacent tatami mat). On the other long side of the sensor support frame facing to, a displacement measuring device for measuring the both ends and the middle position of the lower front of the tatami (side edge on the side in contact with the sill) is provided. If you fix the gusset stopper corresponding to one of the tatami mats on the short side of, and install a displacement measuring device to measure the position of the other machi of the tatami on the other short side, The length, the gusseted portions at both ends thereof, and the width in the middle, that is, the shape in the lower front can be measured. Therefore, this result can be used to cut a new tatami mat into the desired shape.

[0004]

However, the above-mentioned conventional apparatus is intended to horizontally support and convey a plate-shaped body such as a tatami mat, and measure the dimension in the middle thereof. As a premise, a horizontal plate-shaped support frame and a sensor support frame that can be raised and lowered are required, which makes the structure complicated and
Moreover, there is a problem that the installation area is widened.

According to the present invention, it is possible to easily measure the length and shape of a used tatami mat that needs to be replaced, and the structure is simple and the installation area can be reduced. To provide a size device.

[0006]

A tatami mat measuring device according to the present invention includes a tatami support frame for supporting a tatami mat on a front surface of a frame by slightly inclining the tatami mat with respect to a vertical plane, and with its lower front facing upward. A tatami mat stopper that contacts one end of the tatami mat is fixed to one end of the tatami support frame, and both ends of the tatami mat under the tatami mat placed on the tatami support frame and central parts of the tatami mat are fixed on the tatami support frame. Three height measuring devices for measuring height are arranged horizontally, and one of these three height measuring devices is fixed on one end side position above the Kamachi stopper, and the central part of the height measuring device is fixed. The height measuring device and the height measuring device on the other end side are horizontally slidable, and the sliding amount of the height measuring device at the center is half the sliding amount of the height measuring device on the other end side. Further, a displacement detector for detecting the position of the height measuring device on the other end side is provided.

[0007]

The tatami mat that needs to be replaced is placed on the tatami support frame with its bottom front facing upward, and the matt at one end is brought into contact with the matt stopper to fix the tatami mat. Next, when moving the other end-side height measuring device of the three height measuring devices from the reference position and stopping it vertically above the other end of the tatami mat, the height measuring device at the central portion automatically Move to the upper center of the tatami and stop. Then, the length of the tatami mat is obtained by detecting the stop position from the movement amount of the height measuring device on the other end side.
Moreover, the shape of the lower front is obtained by detecting the height of both ends and the center of the lower front of the tatami with three height measuring devices.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 1, 10 is a vertical frame, the front surface 11 of which is slightly inclined with respect to the vertical plane.
The lower stay 1 in the width direction fixed to the lower part of the front surface 11
2, an upper front stopper 13 fixed to the front surface of the lower stay 12 for supporting the upper front of the tatami T from below, a widthwise intermediate stay 14 fixed above the lower stay 12, and an intermediate stay 14 A tatami support frame is configured by an upper stay 15 that is provided above the and is movable up and down. A downward screw shaft 16 fixed to the left and right of the rear surface of the upper stay 15 is inserted into a central screw hole of a rotatable screw gear 17 supported on the left and right of the rear surface of the intermediate stay 14 for driving to mesh with the screw gear 17. The screw gear 18 is the intermediate stay 14.
It is fixed to a horizontal shaft 19 supported at the rear of the upper shaft 15, and the upper stay 15 is moved up and down by rotating the horizontal shaft 19 with a handle 20 at one end. Then, a gusset stopper 21 that connects one ends of the lower stay 12 and the intermediate stay 14 is fixed to one end of the tatami support frame.

Above the upper stay 15, three height measuring devices 31, 33, 35 are arranged in one horizontal line. These height measuring instruments 31, 33, and 35 are respectively provided with vertically movable measuring elements 32, 34, and 36, and these measuring elements 32, 34, and 36 are lowered to lower the front end portion of the tatami T,
The height is measured by contacting the center portion and the other end portion, and measuring the heights of the one end side gusset portion and the center portion and the other end side gusset portion respectively by the amount of advance and retreat.
Is fixed to the above tatami support frame, and the intermediate height measuring device 33 and the height measuring device 35 on the other end side are slidable in the width direction, and the sliding amount of the intermediate height measuring device 33 is It is provided so as to be half the sliding amount of the height measuring instrument 35 on the other end side.

The height measuring devices 31, 33, and 35 have the same structure except the mounting means or sliding amount with respect to the tatami support frame. About the intermediate height measuring device 33,
The structure will be described with reference to FIGS. 2 to 4. A guide rail 39 is fixed in the width direction on the front surface of a horizontal beam 37 (see FIG. 3) located above the frame 10 via a block-shaped spacer 38. A rectangular slide base plate 40 is slidably provided on the guide rail 39 via a slide block 41, and a measuring instrument frame long in the vertical direction is provided on the front surface of the slide base plate 40 via a rod-shaped spacer 42. 43 is fixed.

An air cylinder 45, which is long in the vertical direction, is fixed to the left side of the front surface of the measuring instrument frame 43 (see FIG. 2) via L-shaped metal fittings 44 at the upper and lower ends, and a width is formed at the tip of a piston rod 46 protruding downward. A rectangular connecting plate 47 that is long in the direction and the disc-shaped measuring element 34 are fixed. Then, a contactless switch 48 is fixed to the lower left side of the air cylinder 45, and an operating plate 50 entering a slit 49 on the lower surface thereof is fixed to the left end of the connecting plate 47.
The height measurement control, which will be described later, is performed by the entry / exit of the operating plate 50. Also, on the opposite lower right side, the guide block 5
1 is fixed, and the lower end of the vertical guide bar 52 inserted in the guide block 51 is fixed to the right end of the connecting plate 47.

A plate-shaped auxiliary frame 54 is fixed to the lower right side of the guide block 51 via a plurality of rod-shaped spacers 53 so as to be slightly floating on the front surface of the measuring instrument frame 43 (see FIGS. 3 and 4). ), The toothed belt pulley 55 and the first spur gear 56, which are integrally connected to each other, are rotatably attached to the lower portion between the measuring instrument frame 43 and the auxiliary frame 54, and above the first pulley 56.
A second spur gear 57 that meshes with the spur gear 56 is rotatably attached, and a rotary shaft of the second spur gear 57 and a rotary shaft of a height measuring encoder 58 fixed to the front surface of the auxiliary frame 54 are joint 59. Are connected by. Then, an endless toothed belt 61 is wound around the pulley 55 and a similar pulley 60 provided above the pulley 55, and the upper end of the guide bar 52 is connected to the toothed belt 61 by a connecting tool 62.

A U-shaped handle 63 is provided below the front surface of the sliding base plate 40 so as to straddle the front surface of the measuring instrument frame 43.
Is fixed. On the other hand, a pinion 65 is rotatably attached to the rear surface of the sliding base plate 40 through a bracket 64 extending rearward, and the other end side height measuring device 35 among the three height measuring devices (see FIG. 1). ) Movable rack 66 fixed to the back
And, when the pinion 65 is engaged with the fixed rack 68 fixed to the upper surface of the horizontal beam 37 via the block-shaped spacer 67 and the other end side height measuring instrument 35 is slid, half of the sliding amount thereof is obtained. Only the central height measuring device 33
Are slid in the same direction.

Therefore, as shown in FIG. 1, a pair of left and right length-measuring pulleys 69 are provided on the upper portion of the vertical frame 10 described above.
69 is provided, the endless toothed belt 70 wound around the length measuring pulleys 69, 69 is connected to the other end side height measuring instrument 35, and one length measuring pulley 69 is used as a length measuring encoder. 71 is connected, and the moving amount of the other end side height measuring instrument 35 from the reference position is detected by the length measuring encoder 71,
The length of the tatami T is obtained from the amount of movement.

In the above structure, each height measuring device 31,
Each 33 and 35 air cylinder 45 is connected to an air compressor via a control valve (not shown),
When the piston rod 46 is manually pulled down from the raised position shown in FIG. 1, the operating plate 50 connected to the lower end of the piston rod 46 escapes from the slit 49 of the contactless switch 48, and the above air cylinders 45 are exposed to the atmosphere. Let them know
This facilitates the above-mentioned pulling down, and after bringing the measuring elements 32, 34 and 36 at the tip of each piston rod 46 into contact with the lower front of the tatami T by the above-mentioned pulling down, a switch for operating the control valve (for example, stepping on the foot) is used. When the switch) is closed, the piston rod 46 is biased upward and starts to rise, and the amount of rise is the guide bar 52 connected to the piston rod 46, the connector 62, the toothed belt 61, the lower side. When the piston rod 46 reaches the upper end of the ascending stroke and is counted by the height measuring encoder 58 via the pulley 55, the first spur gear 56, and the second spur gear 57, and the operating plate 50 enters the slit 49. , The count is set to stop.

Therefore, the tatami T is placed on the upper front stopper 13, and the gusset at one end is brought into contact with the gusset stopper 21,
When holding the U-shaped handle 63 of the other end side height measuring instrument 35 at the standby position by hand and sliding the other end side height measuring instrument 35 above the other end, the upper toothed belt 70 And the length measuring pulley 69 rotates, the movement amount of the height measuring instrument 35 on the other end side is measured by the length measuring encoder 71, and at the same time, the height measuring instrument 33 at the central portion moves above the central portion of the tatami T. To do. Then, the measuring elements 32, 34 and 36 of the height measuring instruments 31, 33 and 35 are manually lowered and brought into contact with the lower front end of the tatami T, the central portion and the other end thereof, respectively. When the air cylinders 45 of the position measuring devices 31, 33, 35 are actuated to raise the tracing stylus 32, 34, 36, the heights of the three lower portions of the tatami T are measured by the amount of this rise.

In this embodiment, since the upper stay 15 is formed to be movable up and down, the height of the upper stay 15 can be adjusted according to the width of the tatami T, and its position can be fixed slightly below the lower front. Therefore, even when the used tatami T is easily bent, the tatami T can be supported straight and accurate measurement can be performed. Further, since the tracing stylus 32, 34, 36 is manually pulled down and the air pressure is used when rising, it is possible to avoid compressing the tatami T with the air pressure and improve the measurement accuracy.

[0018]

According to the present invention, a tatami mat that needs to be replaced is placed on the tatami support frame with its bottom front facing up, and one end of the tatami mat is brought into abutment against the matt stopper to measure the height of the other end. When the container is moved vertically above the other end of the tatami mat from the reference position, the position of the other end of the tatami mat, that is, the length of the tatami mat is obtained from the amount of movement of the height measuring device on the other end side. And
With the movement of the height measuring instrument on the other end side, the height measuring instrument at the central portion automatically moves to the upper portion of the central portion of the tatami mat. Therefore, the heights of the lower tatami mats are measured by three height measuring instruments, respectively. By measuring, the front shape of the tatami mat is obtained.

However, since the tatami mat support frame is formed to be slightly inclined with respect to the vertical plane and the tatami mat that needs to be replaced can be placed on the tatami mat support frame by hand, the installation area becomes small, and The structure is simple and can be installed easily in a small factory. The tatami mat after the measurement can be easily taken out in front.

[Brief description of drawings]

FIG. 1 is an overall perspective view of an embodiment.

FIG. 2 is a front view of a height measuring device at a central portion.

3 is a cross-sectional view taken along the line AA of FIG.

FIG. 4 is a sectional view taken along line BB of FIG.

[Explanation of symbols]

T: tatami 10: frame 11: front side of frame 12: lower stay of tatami support frame 13: upper front stopper of tatami support frame 14: middle stay of tatami support frame 15: upper stay of tatami support frame 21: Kamachi stopper 31, 33, 35: Height measuring device 71: Encoder (displacement detector) for detecting the position of the other end side height measuring device

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[Procedure amendment]

[Submission date] September 6, 1991

[Procedure Amendment 1]

[Document name to be corrected] Drawing

[Correction target item name] All drawings

[Correction method] Change

[Correction content]

[Figure 4]

[Figure 1]

[Fig. 2]

[Figure 3]

Claims (1)

[Claims] 1. A tatami mat is formed on the front surface of the frame so that the tatami mat is slightly inclined with respect to the vertical plane and the lower front part of the tatami mat is supported upward. By fixing the contacting camachi stopper, three height measuring devices for measuring the heights of the both ends and the central portion of the tatami mat placed on the tatami support frame above the tatami support frame are fixed. Arrange horizontally, fix one of the height measuring instruments located above the Kamachi stopper among these three height measuring instruments, and horizontally measure the height measuring instrument at the center and the height measuring instrument at the other end. Provided so that it can slide freely, and the amount of sliding of the height measuring device at the center is half the amount of sliding of the height measuring device on the other end side, and the width direction position of the height measuring device on the other end side is detected. Measuring device for tatami mats, which is provided with a displacement detector for