JPH06400U - Cloth gripping device - Google Patents

Abstract

(57) [Summary] [Purpose] To make it possible to automatically and reliably separate each piece of cloth from a pile of cloth without damaging the cloth. [Structure] An opening 10 capable of accommodating a part Ya of a cloth Y on one surface, and an air suction cylinder 1 for sucking air from the opening.
1 and the case body 1 formed with the case body 1 which is capable of detachably gripping a part of the cloths sucked into the opening 10 in the case body 1 and the rotating shafts 31 and 32 are slightly eccentric to each other. Roller type chuck device 2 formed by two rollers 21 and 22
And a chuck drive device 23 for opening and closing the roller chuck device 2, and a cloth for detecting whether or not the cloth Y is present in the opening 10 at a position where the roller chuck device 2 can grip. And a detector 3 for opening the roller chuck device 2 when the cloth detector 3 is in a non-detection state, and closing the roller chuck device 2 when the cloth detector 3 detects the presence of cloth. It was constructed so that it could be done.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a cloth gripping device for taking out cloths one by one from a plurality of cloth collecting portions.

[0002]

[Prior art]

 For example, in a laundry factory, after a large number of cloths are washed and dried at the same time, those cloths are discharged from the dryer and piled up in a pile. Then, from the piled cloth group, the cloth pieces are sequentially separated one by one and supplied to the next step (for example, a pressing step).

[0003] By the way, conventionally, a worker manually carries out the operation of separating the cloths one by one from a cloth group in which a large number of cloths are collected together. That is, in order to separate the cloths one by one from the piled cloth group, an operator visually finds one end of the cloth to be separated and grasps it.

Further, the applicant of the present invention, as shown in Japanese Utility Model Laid-Open No. 25700/1992, has a cloth gripping device capable of automatically separating cloths one by one from a pile of cloths. is suggesting.

[0005]

[Problems to be solved by the device]

 In the laundry factory, when separating the pieces of cloth one by one from the piled pieces of cloth, it has conventionally been done manually by a worker, so that the work requires manpower and the working environment is relatively poor ( The work was carried out in high temperature and high humidity, and the work efficiency was not good.

Further, in the chuck device that constitutes a part of a known cloth catching device (Japanese Utility Model Laid-Open No. 4-25700), the gripping force is insufficient when the piled cloth group is entangled. There is uncertainty in taking out the cloths one by one from the cloth group, and there is a risk that the cloths may be damaged if the gripping force is strengthened.

The present invention has been made in order to improve the above-mentioned problems, and a cloth that can be automatically and reliably separated one by one from a pile of cloths without damaging the cloths. An object is to provide a gripping device.

[0008]

[Means for Solving the Problems]

 The cloth gripping device of the present invention includes a case body formed with an opening capable of accommodating a part of the cloth on one side, an air suction cylinder for sucking air from the opening, and a case body. A roller type chuck device which is capable of detachably grasping a part of the cloth sucked into the opening and is formed by two opposing rollers having a slightly eccentric rotating shaft, and the roller type chuck device. A chuck drive device that opens and closes by rotating the two rollers, and a cloth detector that detects whether or not cloth is present at a position in the opening that can be gripped by the roller chuck device. When the cloth detector is in the non-detection state, the roller chuck device is opened, and conversely, when the cloth detector detects the presence of cloth, the roller chuck device is closed. Configured as It is a symptom.

[0009]

[Action]

 In the cloth gripping device of the present invention, when an air suction device different from the main device is connected to the air suction cylinder provided in the case body and operated, air is introduced into the case body from the opening of the case body. You will be sucked. Further, when the cloth detector is in the non-detection state, the two rollers, which are slightly eccentric to the rotary shaft of the roller chuck device, are open. Then, when the case body opening is brought close to the cloth in this state (or the air suction device may be operated after the case body opening is brought close to the cloth), the air suction action from the opening causes A part of the cloth is sucked into the opening of the case body. At that time, the cloth sucked into the opening is partially accommodated further inside the case body (until it reaches between the two rollers of the roller chuck device). Then, the cloth detector detects the cloth stored inside the case body, and the signals detect the rotation of the two rollers with the rotation shaft of the roller chuck device slightly decentered. By the closing operation, a part of the cloth inside the case body is grasped by both rollers. Then, if the gripping device is raised by a separately provided lifting device, the cloths gripped by the roller chuck device will be separated from the other cloths. The cloths thus separated one by one are supplied to the next process by opening the roller chuck device. The gripping device with the cloth removed can repeat the above operations to separate the cloth one by one.

[0010]

[Effect of device]

 Therefore, the cloth gripping device of the present invention is capable of automatically separating the cloths one by one from the cloth group in which a large number of cloths are piled up together. There is an effect that labor and labor are not required (or significantly reduced) for sorting cloths, and automation can improve work efficiency.

[0011]

【Example】

 An embodiment of the present invention will be described with reference to FIGS. 1 to 6. A cloth gripping device Z of this embodiment has an opening 10 on one surface (lower surface) as shown in FIGS. A square tubular case body 1 having an air suction tube 11 for sucking air from the opening 10 and two opposing pieces for gripping a part Ya of the cloth Y in the case body 1. Roller type chuck device 2 formed by rollers 21 and 22, a chuck drive device 23 that is opened and closed by rotating each roller 21 and 22 of the roller type chuck device 2, and a roller type chuck device in the case body 1. A cloth detector 3 for detecting whether or not cloth is present at a position that can be gripped by the chuck device 2, and a signal from the cloth detector 3 is received to open / close the roller chuck device 2. It has a controller 5 which emits a signal.

As shown in FIG. 3, the left and right rollers 21 and 22 slightly decenter the rotation shafts 31 and 32 from the axis P and the roller center Q, respectively. By rotating the rollers 21 and 22 in opposite directions, the rollers 21 and 22 can be opened (FIG. 3) or closed (chain lines 21 'and 22' in FIG. 3). Is becoming. A rubber material is attached to the surfaces of the two rollers 21 and 22 to prevent slippage.

As the chuck driving device 23, an air cylinder 24 is used in this embodiment. The air cylinder 24 is attached to the inner wall surface of the upper cover of the case body 1. The air cylinder 24 is operated by compressed air from a separately provided compressed air supply device.

The opening 10 of the case body 1 has a predetermined opening area, and in a state in which a separately provided air suction device connected to the air suction cylinder 11 is operated, as shown in FIG. When the cloth Y comes into contact with or comes close to the edge of the opening, a part Ya of the cloth Y is housed until it reaches between the two rollers 21 and 22 of the roller chuck device 2. Has become.

In the roller type chuck device 2, racks 26, 26 are attached to the tip of the rod 25 of the air cylinder 24, and the two rollers 21 are moved through the racks 26, 26 by the expansion / contraction movement (vertical movement) of the air cylinder 24. It is transmitted to the pinion gears 36 and 36 attached to the rollers 22 and 22, and reciprocally rotates the two rollers 21 and 22 in opposite directions, so that the gap between the two rollers 21 and 22 is opened and closed. There is.

In this embodiment, when the air cylinder 24 is in the contracted state as shown in FIG. 4, the rollers 21, 22 are in the state shown by the solid lines so that the gap between the rollers is eliminated, and conversely. When the air cylinder 24 is in the extended state, each roller opens between the rollers as indicated by chain lines 21 'and 22'.

As shown in FIG. 3, the cloth detector 3 is attached to the inner wall surface of the case body 1 at a position slightly lower than the centers of the two rollers 21 and 22 in the case body 1. . This cloth detector 3 employs a photoelectric sensor in this embodiment. When the cloth Y is present on the front surface of the cloth detector 3, the cloth Y is detected and the signal is detected by the controller 5 (FIG. 5). It is supposed to be emitted to.

Further, in this embodiment, another cloth detector 4 is provided. The cloth detector 4 is attached to the side wall surface of the case body 1 slightly above the installation position of the two rollers 21 and 22 in the case body 1. This cloth detector 4 employs a pressure sensor in this embodiment. When the cloth Y is sucked into the opening 10 of the case body 1 and the air pressure in the case body 1 fluctuates, it is detected. It detects and outputs the signal toward the controller 5.

As shown in FIG. 5, the controller 5 operates the switching valve 9 by receiving a signal from the cloth detector 3 (or 4), and the cloth detectors 3 and 4 are in the non-detection state. If the switch valve 9 is operated to open the roller chuck device 2 (the air cylinder 24 is extended), and the cloth detector 3 (or 4) detects cloth, the signal is output. Thus, the switching valve 9 is operated to close the roller chuck device 2 (the air cylinder 24 is reduced).

The cloth gripping device Z shown in FIGS. 1 to 5 is used by being assembled to a lifting device 6 as shown in FIG. 6 in a laundry factory, for example. The lifting / lowering device 6 shown in FIG. 6 is assembled to a turntable 7 on which a large number of cloths Y are placed, and a pillar 61 and a lifting table 62 that can be lifted / lowered by appropriate driving means with respect to the pillar 61. The gripping device Z is attached to the case body opening portion at the telescopic arm 63 that extends and contracts in the horizontal direction with respect to the elevating table 62 and the lower end portion of the slide rod 64 that slides in the vertical direction at the tip end portion of the telescopic arm 63. Is installed so that it faces downward.

On the turntable 7, a large number of cloths Y, Y ... Which have been dried by a dryer after washing are placed in a pile. Then, the elevating device 6 is operated to move the gripping device Z downward, for example, from the position A to the position B, so that an arbitrary piece of cloth Y on the turntable 7 is opened in the opening 10 of the case body 1. (FIGS. 3 and 4). At that time, the cloth detectors 3 and 4 detect the cloth, the roller type chuck device 2 is closed, and the roller type chuck device 2 holds a part of the cloth. After that, the lifting device 6 is operated to move the gripping device Z from the position B to the position C through the position D, and then the cloth Y may be removed from the gripping device Z. By sequentially performing the same operation, the cloths Y on the turntable 7 can be sequentially separated one by one.

[Brief description of drawings]

FIG. 1 is a perspective view of a cloth gripping device according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along line II-II in FIG.

FIG. 3 is a sectional view taken along line III-III in FIG.

4 is a sectional view taken along line IV-IV in FIG.

5 is an operation explanatory view of the gripping device of FIG. 1. FIG.

6 is an explanatory view of using the gripping device of FIG. 1. FIG.

[Explanation of symbols]

1 is a case body, 2 is a roller type chuck device, 3 and 4 are cloth detectors, 5 is a controller, 10 is an opening, 11 is an air suction cylinder, 21 and 22 are rollers, 31 and 32 are rotating shafts,
Y is cloth and Ya is a part of cloth.

Claims (1)

[Scope of utility model registration request] 1. An opening (10) capable of accommodating a part (Ya) of a cloth (Y) and an air suction cylinder (11) for sucking air from the opening (10) are formed on one surface. The case body (1) and a part (Ya) of the cloth in the case body (1) sucked into the opening (10) can be detachably held and the rotary shafts (31, 32) can be attached. A roller type chuck device (2) formed by two rollers (21, 22) opposed to each other slightly eccentric, and the roller type chuck device (2) rotating the two rollers (21, 22). Then, it is detected whether or not the cloth (Y) is present at a position that can be gripped by the chuck driving device (23) that is opened and closed by the operation and the roller chuck device (2) in the opening (10). A cloth detector (3), and when the cloth detector (3) is in a non-detection state, The roller chuck device (2) is opened, and conversely, when the cloth detector (3) detects the presence of cloth, the roller chuck device (2) is closed. A device for gripping cloths.