JP3386199B2 - Posture conversion method of cloth piece - Google Patents

Description

Detailed Description of the Invention

[0001]

INDUSTRIAL APPLICABILITY In the present invention, one side of a square-shaped cloth piece such as sheets and hanging cloths washed in a cleaning factory is horizontal (as a result, two opposite sides are vertical). Thus, the present invention relates to a method for changing the posture of the cloth piece.

[0002]

2. Description of the Related Art In a cleaning factory, for example, it is necessary to wash square sheets of cloth such as sheets and hangings and then adjust the posture of the square sheets of cloth in a certain direction before applying them to a press. .

There are known examples of devices for changing the posture of such a rectangular cloth piece, but those of the conventionally known ones are such that the rectangular cloth piece is horizontally or vertically oriented. Since it is intended to convert the rectangular piece of cloth into a desired posture while moving it, a large space is required in the horizontal direction or the height direction for installing the device, and the device itself is also required. It was a big one.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and it is possible to cover a rotating device with a rectangular cloth piece and rotate the rotating device on the spot. Therefore, the posture of the rectangular cloth piece is changed without requiring a large space.

[0005]

The invention described in each of the claims of the present application has been made to achieve the above objects, and is configured as follows.

According to a first aspect of the present invention, there is provided a cloth piece posture changing method, wherein a first rotating body device and a second rotating body device are arranged to face each other in a predetermined range in an axial direction. While covering the two rotary body devices with a rectangular piece of cloth in an arbitrary unspecified posture and in a stretched state in the axial direction of the both rotary body devices, the both rotary body devices have one side of the cloth piece horizontal. It is characterized in that they are rotated in opposite directions until the posture is converted.

According to a second aspect of the present invention, in the method for changing the posture of a cloth piece according to the first aspect, both of the rotary body devices are continuous from one shaft end side toward the other shaft end side. Is a tapered shaft having a variable diameter, and is arranged so as to face each other with their small diameter end sides facing each other.

According to a third aspect of the present invention, in the method for changing the posture of a cloth piece according to the second aspect, both taper shafts are arranged so that the upper surfaces of the outer peripheral surfaces of the both taper shafts are horizontal at the same height. It is characterized in that the central axis is inclined with the small diameter end side facing upward.

According to a fourth aspect of the present invention, in the method for changing the posture of a cloth piece according to any one of claims 1 to 3, a square cloth piece covered on both of the rotating body devices is provided with a floating roller from above. It is characterized by holding down.

[0010]

The posture changing method of the cloth piece described in each claim of the present application,
Since each is configured as described above, the following operation is achieved.

In the present invention, the first rotating body device and the second rotating body device, which are arranged to face each other within a predetermined range in the axial direction, are used. A square-shaped cloth piece is placed on the device in an unspecified posture and in a stretched state in the axial direction of both rotary device.
At this time, each side of the square-shaped cloth piece is oriented in an arbitrary direction, and one side desired to be positioned horizontally is also
At that time, it is in an inclined state (inclination angle θo) with respect to the horizontal direction. Then, in this state, the two rotary body devices are rotated in directions opposite to each other in such a direction that one side of the rectangular cloth piece intended is horizontal. Then, in the rectangular cloth piece that is covered on both the rotary body devices, one end side (low position side) of the target side is gradually pulled up and the other end side (high position side) is gradually lowered. Then, one side of the cloth piece takes a horizontal posture (in this state, the two sides positioned on both sides of the horizontal posture are in a vertical state).

After the orientation of the rectangular cloth piece is changed as described above, the rectangular cloth piece can be sent to a target next step (for example, a pressing step or a folding step).

In the present invention, both rotary body devices are tapered shafts whose diameter continuously changes from one shaft end side to the other shaft end side, and respectively. Are arranged to face each other with their small diameter end sides facing each other. Therefore, the rectangular cloth piece covered on both taper axes is
It is fed at a speed that continuously decreases from the cloth piece portion located on the large diameter side to the cloth piece portion located on the small diameter side, and on the other taper axis, from the cloth piece portion located on the small diameter side to the large diameter side. It is fed at a speed that continuously increases toward the cloth piece portion located at.

According to the present invention, in the method of changing the posture of a cloth piece according to claim 2, the central axes of the respective taper shafts are arranged so that the upper surfaces of the outer peripheral surfaces of the taper shafts are horizontal. Is inclined. Therefore, in the rectangular cloth piece covered on both the taper shafts, the portion in contact with the outer peripheral surface of the taper shafts is always kept horizontal.

According to the fourth aspect of the present invention, since the square cloth piece covered on both rotary body devices is pressed from above by a floating roller, the square cloth piece is a double rotary body device. It does not slide down from above.

[0016]

Each of the inventions described in each claim of the present application has the following effects by being configured as described above.

That is, according to the cloth piece posture changing method of the inventions of the present application, the rectangular cloth pieces are placed on the two rotary body devices arranged so as to face each other, and the two rotary body devices are mutually placed on the spot. Since the posture can be changed by rotating it in the opposite direction, it does not require a large space in the horizontal direction or the height direction like a conventionally known similar device, and it has an effect that it can contribute to a small space in a factory. .

Next, according to the second aspect of the invention, since the tapered shafts are used as the two rotating body devices arranged to face each other, there is an effect that the structure becomes extremely simple. Since the first and second taper shafts continuously change their peripheral velocities from the large diameter end side toward the small diameter end side and from the small diameter end side toward the large diameter end side, respectively, The square-shaped cloth piece covered on the first and second taper shafts extends from the cloth piece portion located on the large diameter end side of the first taper shaft to the cloth piece portion located on the large diameter end side of the second taper shaft. The feed rate is continuously changed up to, and during the posture changing operation of the rectangular cloth piece, there is an effect that the rectangular cloth piece is unlikely to be twisted due to the discontinuity of the feed speed.

According to the invention described in claim 3, in the invention described in claim 2, the central axes of both tapered shafts are directed upward with the small diameter end side so that the upper surface side of the outer peripheral surface of each tapered shaft is horizontal. Since it is inclined, there is an effect that it is possible to prevent the rectangular cloth piece covered on both taper axes from moving in the axial direction by its own weight.

Further, according to the invention described in claim 4, in the invention described in each of the above claims, there is an effect that the upper side of the square-shaped cloth piece is pressed by a floating roller to prevent the square-shaped cloth piece from slipping off. .

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A method for changing the posture of a cloth piece according to an embodiment of the present invention will be described below with reference to FIGS.

According to the invention of the present application, a rectangular cloth piece is placed on the first rotating body device and the second rotating body device, which are arranged so as to face each other in a predetermined range in the axial direction, in an arbitrary unspecified posture and on both sides. The basic idea is to cover the rotating body device in the axial direction in a stretched state and rotate both of the rotating body devices in the same direction until one side of the target cloth piece is converted into a horizontal posture. However, in this embodiment, as the main rotating body of each of the first and second rotating body devices 1 and 51, the diameter (circumferential velocity) gradually increases from one end (11A, 61A) to the other end (11B, 61B).
2 taper shafts (first taper shaft 11 and second taper shaft 11)
The taper shaft 61) is used. These taper shafts 11 and 6
1 is mounted coaxially with a drive shaft 10, 60 rotated by a motor 2, 52.
It rotates together with 0. The tapered shafts 11, 61 are rotatably supported by bearings 3, 4, 53, 54 such that the small diameter ends 11B, 61B are directed upward at an angle α with respect to the horizontal line. 11,6
The upper outer peripheral surfaces 11f and 61f of 1 are configured to form horizontal surfaces having the same height. As the material of each taper shaft 11, 61, an appropriate material such as metal such as steel and aluminum, rubber lining, plastic, wood, or the like can be used.

Each of the rotating body devices 1, 51 and the motor 2,
52 and the like are supported by a pedestal 8 at a predetermined height of the base 5.

Above the first and second rotating body devices 1 and 51, the floating rollers 21 and 61 located on the taper shafts 11 and 61, respectively.
A pressing member unit 20 in which 71 is attached to a single horizontal rod 32 is arranged. The horizontal rod 32 is a pair of left and right arms 31,
It is pivotally attached to the base 5 by 31, and as a result, the pressing member unit 20 pivots up and down about the hinge 33 as shown in FIG.

Next, a method of changing the posture of a rectangular cloth piece using the apparatus shown in FIGS. 1 and 2 will be described.
When the posture of the rectangular cloth piece is changed by the device, first, the pressing member unit 20 is denoted by reference numeral 2 in FIG.
As indicated by 0 ', a square shape is provided on the taper shafts 11,61 of both the rotary body devices 1,51 which are retracted from the top of the first and second rotary body devices 1,51 and thus open upward. After covering with the cloth piece S, as shown in FIG. 3, the pressing member unit 20 is again mounted on both the taper shafts 11 and 61 so as to press the rectangular cloth piece S on both the taper shafts 11 and 61. Hold.
At this time, the rectangular cloth piece S may have its four sides S ₁ , S ₂ , S ₃ , and S ₄ oriented in any direction, but both taper shafts 11, 61
It is necessary to keep the stretched state in the axial direction of.

In both postures shown in FIG.
When it is desired to change the posture of the square-shaped cloth piece S overlaid on 51 so that one side S ₁ thereof becomes horizontal, one motor 2 moves one first taper shaft 11 to the large diameter end 11
While rotating clockwise from the A side toward the small diameter end 11B side, the other motor 52 rotates the second taper shaft 61 clockwise when viewed from the large diameter end 61A side toward the small diameter end 61B side. Then, in the rectangular cloth piece S, the first taper shaft 1
One side S ₂ on the side of the large diameter end 11A of 1 is sent out from the other side of the first taper shaft 11 toward the front side as shown by an arrow y ₂ (the left side portion of the rectangular cloth piece S in FIG. 4). On the other hand, one side S ₄ on the large diameter end 61A side of the second taper shaft 61 is fed from the front side of the second taper shaft 61 toward the other side as shown by an arrow y ₄ . 4 refer to the right side portion Sb of the rectangular cloth piece S). Then, finally, as shown in FIG. 5, the intermediate posture as shown in FIG. 4 is reached to reach the final posture in which the target side S ₁ is horizontal. The fact that the square-shaped cloth piece S has reached the final posture means that a sensor of an appropriate method (horizontal side of the lower side S ₁ or side edges S ₂ , S ₄
Various types of sensors for detecting the verticality of the motor can be adopted), and the motors 2, 52 are stopped at that time.

While the square cloth piece S is converted from the initial posture shown in FIG. 3 to the final posture shown in FIG. 5, the square cloth piece S is moved upward by the floating rollers 21, 71 of the pressing member unit 20. Since it is pressed from the taper shaft 11,
61 It does not slide down from above.

As shown in FIG. 5, the rectangular cloth piece S whose posture is changed so that one side S ₁ has a horizontal posture is sent to the next process such as a pressing process by the method illustrated in FIG. 6, for example. . In FIG. 6, reference numeral 26 is a nozzle that blows air onto the lower side of the horizontally-lined square-shaped cloth piece S and blows the lower side forward, and the rectangular shape blown forward by the air from the nozzle 26. The lower side of the cloth piece S ′ can be sandwiched between the cloth piece transfer conveyer 27 and the cloth piece holding conveyer 28 and pulled out in the direction of the arrow A (the next step).

[Brief description of drawings]

FIG. 1 is an explanatory view of an example of an apparatus for carrying out a cloth piece posture changing method according to an embodiment of the present invention.

FIG. 2 is a right side view of the device shown in FIG.

FIG. 3 is a state diagram when the posture of a rectangular cloth piece is changed using the apparatus shown in FIG.

FIG. 4 is a state change diagram when the rotating body device is rotated from the state of FIG.

FIG. 5 is an explanatory view of a state in which one side of the rectangular cloth piece is horizontal (state change diagram of FIG. 4).

FIG. 6 is an explanatory view showing an example of a method for transferring the rectangular cloth piece from the state of FIG. 5 to the next step.

[Explanation of symbols]

1, 51 is a rotating body device, 2, 52 is a motor, 5 is a base, 1
0 and 60 are drive shafts, 11 and 61 are taper shafts, 20 is a pressing member unit, 21 and 71 are idle rollers, S is a square cloth piece, and S _{1 to} S ₄ are each side of the square cloth piece S. .

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Claims (4)

(57) [Claims] 1. A rectangular cloth piece is arbitrarily and unspecified across both rotary body devices of a first rotary body device and a second rotary body device which are arranged to face each other within a predetermined range in an axial direction. In a posture and in a stretched state in the axial direction of the both rotary body devices, the both rotary body devices are rotated in mutually opposite directions until one side of the cloth piece is converted into a horizontal posture. Posture conversion method for cloth pieces. 2. The rotating body device according to claim 1, wherein each of the rotating body devices is a tapered shaft whose diameter continuously changes from one shaft end side to the other shaft end side, and each small diameter end side is A method for changing the posture of a cloth piece, wherein the cloth pieces are arranged facing each other. 3. The center axis of both taper shafts is tilted with their small diameter end sides facing upward so that the upper surfaces of the outer peripheral surfaces of both taper shafts are horizontal at the same height. Characteristic cloth piece posture conversion method. 4. A posture changing method for a cloth piece according to claim 1, wherein the square cloth piece covered on both of the rotating body devices is pressed from above by a floating roller.