JP3150934B2 - Cloth loading device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a state in which cloth held by a holding member is developed at a charging position in front of a charging conveyor, and the cloth is released at the same position.
The present invention relates to a cloth feeding device for feeding into a feeding conveyor.

[0002]

2. Description of the Related Art When a large amount of cloth is washed, dewatering, drying, ironing, folding and the like are performed while conveying the washed cloth along a certain line. In this case, it is necessary to spread the cloth and put it into the line without disturbance. However, it is difficult to spread large cloth such as sheets and put it in without disturbance, and it is impossible for a single person. In order to throw in large-size cloth, the loading end must be raised to a height equal to or longer than the length of the cloth, for example, and the whole must be suspended. There is.

[0003]

DISCLOSURE OF THE INVENTION The present invention has been made in view of the above points, and a problem thereof is that a cloth can be attached at a position where an operator can easily work, and the attached cloth is put in. The purpose of this is to make it possible to efficiently carry out the work of transferring to a position, expanding and feeding the conveyor.

[0004] Another object of the present invention is to reduce the physical burden on an operator, simplify the operation itself, and perform a constant input operation regardless of the ability of the operator.

[0005]

The above and other objects are attained by a pair of left and right members which are provided so as to be movable and return from the height of a work position for attaching cloths to the height of a transfer position. A first holder, a second holder consisting of a pair of left and right members, which waits for movement of the first holder at the height of the transfer position and receives the cloth passed in the movement process; The object of the present invention is solved and achieved by an invention of a cloth feeding device having a deployment mechanism that moves to a loading position along a guide member, sets a pair of left and right members apart to make the deployed state, and then returns to a delivery position. be able to.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A cloth feeding apparatus A according to the present invention.
Feeds the cloth held by the holding member into the feeding conveyor 1
This is a device for releasing the cloth 11 at the same position 14 in a state where the cloth 11 has been developed at the input position 14 at the front of the container 0 and for putting the cloth 11 into the input conveyor 10. The worker is cloth 1
The position where the mounting 1 is mounted is referred to as a working position 12, and the position where the holding member is charged into the charging conveyor 10 is referred to as the charging position 14. In the present invention, the working position 12
The transfer position 13 is set between the input position 14 and the transfer position 13.
The operation of transferring the cloth 11 mainly in the vertical direction is performed by the first holders 15 and 16 including a pair of left and right members provided to be movable and returnable from the height of the work position 12 to the height of the transfer position 13. The transfer of the cloth from the transfer position 13 to the loading position 14 mainly in the left-right direction is performed by the second retainers 17 and 18, and the first retainers 15 and
The transfer of the cloth 11 between the second holder 16 and the second holders 17 and 18 is performed at the transfer position 13. Therefore, the first retainer 1
5 and 16 and the second holders 17 and 18 constitute a holding member in the present invention.

In the embodiment shown in the drawing, stations of a cloth feeding device having the above-mentioned structure are installed on the left and right sides of a loading position 14 corresponding to an upper part of the front end (front) of the loading conveyor 10, and cloths are alternately provided from each station. 11 can be inserted. The configurations of the left and right dosing devices are symmetrical but basically the same, so that in the following description, one (left side) will be described, and the other (right side) will be touched as necessary. If necessary, they are distinguished by adding L (left) or R (right).

The first holders 15 and 16 move vertically between the working position 12 and the transfer position 13. Also the
1 retainers 15 and 16 are holding members 19 arranged front and rear as members for holding both left and right ends of the cloth 11;
21 (see FIG. 5), one member 19 is fixedly attached to the moving member 20 of the vertical movement mechanism B, and the other member 21 comes into contact with and separates from the one member 19 to open the cloth. Class 11 can be pinched and released.

The illustrated one member 19 is fixed to a chain-shaped moving member 20, and the other member 21 is rotatably supported by the moving member 20 at an upper portion, and is substantially L-shaped from a shaft fulcrum 22 forward and downward. When the holding portion 23 extends downward, it contacts one member 19 to hold (hold) the cloth 11, and rotates upward to release the cloth 11 from holding (holding). In the illustrated example, a channel structure having a flat C-shape or the like which is opened forward (see FIG. 8) is used. Can be clamped. Reference numeral 24 denotes a stopper for stopping further movement of the cloth 11.

The first holders 15 and 16 are connected to the second holder 1
Delivery of the cloth 11 is performed between the cloths 7 and 18. For this purpose, the first holders 15 and 16 move in the vertical movement path (moving member 2).
At the transfer position 13 on the path between the work position 12 and the transfer position 13), the movable member 19 moves to release the cloth 11 from the holding and release the cloth 11 from the holding. At this point, the second holders 17 and 18 have already completed holding the cloth. For the transfer of the cloth 11, the pushing force of the first holders 15 and 16 is set to be larger than the resistance force of the second holders 17 and 18 for preventing the pushing.

In the illustrated embodiment, the first retainers 15, 16
Is provided with a clamping surface composed of one member 19 and the other member 21 and is provided with a rubber piece or the like, for example, as a means 25 for obtaining friction. The second holders 17 and 18 are composed of two members 27 and 28 of a fixed side and a movable side, and
A curved portion is provided on the fixed side member 27 so as to contact the fixed side member 27 in a linear or band shape, and a means 29 for obtaining friction on the holding surfaces of the two members 27 and 28 is provided. Therefore, both retainers 15, 1
The holding force due to the holding of 6, 17, 18 can be set by the magnitude of the product of the contact area and the pressing force.

The vertical movement mechanism B for moving the first holders 15 and 16 from the work position 12 to the transfer position 13 may be one that reciprocates up and down or one that makes a revolving movement as shown in the illustrated example. In the case of the illustrated example, as the belt-like moving member 20 such as a chain rotates on the vertical movement path determined by the upper and lower sprockets 30, the first holders 15 and 16 attached thereto also go around the same path. One or more sets of the first holders 15 and 16 can be provided on the moving member 20. The working position 12 and the transfer position 1
3 is set between the path of the upper portion of the entire lower portion of the sprocket 30 ₁ and the upper sprocket 30 _2.

The second holders 17 and 18 are at the transfer position 1
Waiting for the movement of the first holders 15 and 16 at the height of 3, the first
The cloths 11 transferred to the second holders 17 and 18 during the movement of the holders 15 and 16 are received. One type of cam can be used as a component for this purpose. For example, the second member 21 on the movable side of the first holders 15 and 16 is urged by the urging means 31 in the holding direction, and a part 32 of the second member 21 is moved during the movement.
A cam member 33 for releasing the gripping member that pushes the second member 21 against the gripping force when it comes into contact with the vertical movement path can be provided. See FIG. Part 32 of second member 21
Is provided with a rolling wheel, so that the contact with the cam member 33 can be made smooth and the amount to be pushed can be adjusted.

The second holders 17, 18 to which the cloth 11 is delivered from the first holders 15, 16 are the first holders 15, 1.
6 on the vertical movement route. Then, it moves from the transfer position 13 to the input position 14 this time. This movement is generally horizontal, and is performed along a horizontal movement path extending from the transfer position 13 to the loading position 14. The vertical movement path and the horizontal movement path intersect at the transfer position 13, and the second holders 17, 18 are located on the front side (or the rear side) of the first holders 15, 16 and overlap therewith to perform the transfer. It will be. See FIGS.

The second holders 17, 18 not only move the cloth 11 to the loading position 14 along the guide member 34, but also separate the space between the pair of left and right members (17, 18) at the same position. Thereby, the cloth 11 is brought into a developed state. In order to unfold the cloth 11, the second holders 17, 18 composed of a pair of left and right members are first moved to a reference position set at the insertion position 14, and then the distance between the two members (17, 18) is increased. And a method of moving both members (17 and 18) toward their destination at different speeds. The guide mechanism 34 is required to have a function of moving the second holders 17 and 18 in the horizontal direction and expanding and supporting the cloth 11.

In the illustrated embodiment, a pair of upper and lower guide rails 35 are provided in the upper part of the front of the loading conveyor in the left-right direction, and a moving body 37 having rolling wheels 36 that can roll along the rails 35 is a timing belt or the like. The guide mechanism 34 is configured as a trolley by means of a moving means 38 that can be used. Reference numeral 39 denotes a suspension member suspended from the moving body 37, and the second holders 17, 18 are provided below the suspension member. See FIG.

The second holders 17 and 18 are moved to the loading position 14 and, in order to complete the loading of the cloth 11 in the unfolded state, the position detection and the like and the holding by the second holders 17 and 18 are performed. An interlocking mechanism for releasing the cloth 11 is provided.
Therefore, the first of the roles of the interlocking mechanism is that the pair of left and right members (17 and 18) of the second retainer move to each position where the cloth 11 is deployed and stop, and the second is the stopped second. This is to release the holding of the cloth 11 by operating the movable members 28, 28 of the holders 17, 18 in the opening direction.

In the illustrated embodiment, the second holders 17, 18
The two members are moved to the target position from the original transfer positions of the left and right stations, and the cloth 11 is set in the unfolded state. Various known methods can be applied to the position detection of the second holders 17 and 18 on the horizontal movement path. In the case of the embodiment, the respective amount of movement of the second retainer 17 moving on a horizontal movement path from the original position identified by pulse counting,
The method of stopping at an arbitrary position is adopted. For this purpose, for example, a method of controlling the servomotor for driving the rope belt, which is the moving means 38 to which the second holders 17 and 18 are attached, by operating the control device 40 can be adopted. Note that search a drive motor belt on each side two first retaining element 15 and 16, are provided four sets for the second retainer 17.

Various known methods can be adopted as a method of releasing the cloth 11 by the second retainers 17 and 18. The possible methods are roughly classified into a method by mechanical engagement with the second retainers 17 and 18, and a method of controlling them by a control system using a pneumatic device or a solenoid valve.

In the illustrated embodiment, the second retainers 17, 18
Is released by using a release member 41 arranged along the lateral movement path of the trajectory. FIG. The release member 41 is a rod-shaped member rotatable around its own axis. The release member 41 engages with the lever 26 that operates the movable member 28 of the second holders 17 and 18 within the length thereof, and holds the release member 41. The movable member 28 is moved in the opening direction against the acting force of the urging means 42 in the direction. Reference numeral 43 denotes the release member 41 for the second retainer 1
A biasing means 44 for biasing the levers 26 on the sides 7 and 18 so as not to contact the lever 26 is a drive device for driving the release member 41 against the above-described biasing force. Acts on a part 46 of the release member 41 via the relay member 45. 47 and 48 indicate stoppers of the members 45 and 46, respectively.

Further, the action on the lever 26 shown in FIG.
In order to prevent the holders 17 and 18 from moving, a contact 5 that can contact the shaft 49 of the release member 41 is provided on the second holder side.
0 is provided. Reference numeral 51 denotes a detected element for confirming the original positions of the second holders 17 and 18, which is used for confirming the position of the second holders 17 and 18 that have returned to the transfer position 14 in the embodiment. For this reason, proximity switches are provided near the transfer position as detection means (not shown).

In the present invention, when the cloth 11 is loaded onto the loading conveyor 10 at the loading position 14, the second
In order to accurately feed the cloth 11 in the unfolded state by the holders 17 and 18, there is a push blade 52 that pushes the input end of the cloth 11 forward (in the direction of conveyance of the input conveyor 10). The pushing blade 52 is used to release the cloth 1 at the loading position 14.
1, an extruding mechanism 54 for extruding the edge plate 53 in contact with the width direction, and pushing the edge plate 53 toward the input conveyor 10;
And an air injection pipe 55 having a nozzle for injecting air in the direction of the cutting edge. See FIG. 11, FIG. 12, etc. The nozzle is provided along the longitudinal direction of the tube in a slit shape or a dot shape.

In the illustrated embodiment, the push blade 52 has a structure in which a blade plate 53 is provided at the tip of an arc-shaped bracket 56, and the rod end 59 of the cylinder device 58 is connected to the base of the bracket via a link 57. In addition, an extruding mechanism 54 is configured to advance the blade tip plate 53 in a substantially arc shape. The loading conveyor 10 is provided with a loading section that is slightly elevated in the direction of the advance trajectory of the blade plate 53, and the loaded cloth 11 is sandwiched between the upper and lower conveyors that have descended behind the loading section and carried out. Is done. See FIG. In each figure, reference numeral 60 denotes a carry-out conveyor.

When the cloth 11 is loaded by using the loading device according to the present invention, for example, starting from the left station, the worker places the first holders 15 and 16 (L) at the working position 12. Hold the first piece of cloth 11
Press the start switch provided in the left station. At this time, the work of holding the cloth 11 between the first holders 15 and 16 (R) can be similarly started on the right station side, and the start switch prepared in the right station can be pressed. FIG. 13 (Q).

By the switch operation, the left first holders 15 and 16 (L) holding the cloth 11 are raised to the transfer position 13, and the left second holders 1 and 16 waiting at the same position 13.
At the same time, the cloth 11 is transferred from the first holders 15 and 16 (L) to the second holders 17 and 18 (L). Also at this stage, on the side of the right station, the first holders 15 and 16 (R) are raised together with the cloth 11, and the work is transferred to the second holders 17 and 18 (R). After the delivery is completed, the first retainers 15, 16
(L and R) move out of the operating range of the second holders 17 and 18 (L and R). FIG. 13 (b).

Next, the left second retainers 17, 18
(L), the left and right members start moving at different speeds in the direction of the insertion position along the lateral movement path (FIG. 13 (c)), and when the movement reaches a preset point, each second holder 17,
18 (L) stops the movement (FIG. 14 (a)). At this stage, the completion of the development of the cloth 11 is detected by pulling both ends and the upper side approaches a straight line, and is detected by the sensor 61. Further, the stop position of each of the second retainers 17, 18 (L) can be determined by pulse counting of the operation amount of the motor driving the cable belt from the original position (13).

After the cloth 11 starts to unfold, 2
The first cloth 11 can be attached to the next first holders 15 and 16 (L) that orbit the vertical movement path, and the start switch can be pressed. FIG. 13 (c). Right station second
The retainers 17, 18 (R) are still in a standby state. FIG.
(A).

The second retainers 17, 18 of the left station
(L) returns to the original position when the cloth 11 is put into the charging conveyor 10 and is placed in a state of waiting for the first holders 15 and 16 (L) waiting before the transfer position 13 to rise. I will FIG. 14 (b). Instead, the second holders 17 and 18 (R), which were in the standby state at the right station, enter the loading position 1.
The cloth 11 is moved to 4. Even at the right station, at this stage, the second cloth can be held between the first holders 15 and 16 (R) and the start switch can be pressed. FIG.
(B).

After the second holders 17 and 18 (R) have completed the development of the cloth 11 (FIG. 14C), the cloth 11 is loaded into the loading conveyor 10. The first holders 15 and 16 (R) next to the right station to which the next cloth 11 is attached are waiting just before the transfer position 13.

This time, the second retainer 17 of the left station,
18 (L) moves the received third cloth 11 in the direction of the loading position, and starts the movement for deployment. The worker attaches the third cloth 11 to the first holders 15 and 16 (L) and presses a start switch. FIG. 15 (a). At the right station, the second holders 17, 18 (R) return to their original positions, and the cloth 11 is transferred from the first holders 15, 16 (R).

Further, the cloth on the left station side (second sheet)
11 is deployed to the charging position 14 and charging to the charging conveyor 10 is performed. FIG. 15 (c). At the right station, the first holders 15 and 16 (R) rise and the second holder 1
Hand over the cloth 11 to 7, 18 (R). Hereinafter, the same operation is similarly repeated.

As described above, when the cloth 11 is loaded, the cloth 11 is pushed by the pushing blade 52. Thus, cloth 11 second keeper 17,18
The dropping or deformation at the moment when the pinching from (L, R) is released is prevented by the pushing operation of the cutting edge 53 of the pushing blade 52. The push blade 52 has an air injection pipe 55.
Is provided, the upper portion of the cloth above the extension of the blade edge portion 53 is blown forward (toward the feeding conveyor). On the other hand, since the air injection does not face downward, there is no possibility that the rear end of the cloth already on the conveyor is blown off by the previous charging. As described above, according to the apparatus of the present invention, it is possible to continuously feed the cloths 11, and there is no problem even if the preceding and following cloths overlap each other. In addition, "clothing"
In addition to sheets and wrappers, fabric products such as gowns, work clothes, pillowcases, and resin products are included.

[0033]

Since the present invention is constructed and operates as described above, the cloth can be attached to the first holder at a work position where the worker can easily work. Since the transfer is performed to the loading position by the second retainer, the loading position and the working position can be set to optimal positions, respectively, and the cloth can be expanded by the second retainer. The cloth is attached and transferred to the loading position irrespective of the ability of the worker, and after the cloth is passed to the second retainer, the first retainer is immediately returned to the work position, and the next cloth is transferred. Since the transfer can be made to the receiving, the cloths can be supplied to the input conveyor without interruption, and there is an effect that the working efficiency can be remarkably improved.

Further, according to the present invention, the work position for attaching the cloth to the first holder can be set at an arbitrary height in accordance with a position convenient for the worker, so that the physical position of the worker can be improved. the burden is reduced trough contribute to the improvement of working conditions
Has the effect of

[Brief description of the drawings]

FIG. 1 is a front view for illustrating a cloth feeding device according to the present invention.

FIG. 2 is a side view of the same device.

FIG. 3 is a side view particularly showing an internal structure of the device.

FIG. 4 is an explanatory view of a first holder and a second holder in the left station of FIG. 1;

FIG. 5 is an enlarged side view showing a delivery position portion of FIG. 4;

FIG. 6 is a partial front view corresponding to FIG. 5;

FIG. 7 is a front view of a first retainer holding cloth.

FIG. 8 is a bottom view showing an overlap between the first and second retainers.

FIG. 9 is a front view showing an apparatus for moving the second retainer.

FIG. 10 is an explanatory side view of FIG. 9;

FIG. 11 is a side view showing a mechanism of a push blade used in the present invention, which is installed in a charging section.

FIG. 12 is an enlarged view of a pushing blade tip.

FIG. 13A is an explanatory view of a stage of attaching cloth to a first holder. (B) Explanatory drawing of the stage where the 1st retainer went up and the cloth (left) was delivered to the 2nd retainer. (C) Explanatory drawing of the stage in which the cloth (left) is being developed.

FIG. 14 (a) is an explanatory diagram of a stage where cloth (left) has been developed and can be inserted. (B) Explanatory drawing of the stage in which the cloth (right) is being developed. (C) Explanatory drawing of the stage where cloth (right) was developed and it became possible to insert.

FIG. 15A is an explanatory diagram of a stage in which a second cloth (left) is being developed. (B) Explanatory drawing of the stage where the second cloth (left) is developed and can be put in.

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) D06F 95/00 B65G 47/14

Claims (7)

(57) [Claims] An apparatus for releasing cloths held by a holding member at a charging position in front of a charging conveyor, releasing the cloths at the same position, and charging the cloths to the charging conveyor. A first retainer comprising a pair of left and right members provided so as to be able to move and return from the height of the work position for attaching the cloth to the height of the transfer position;
A second holder consisting of a pair of left and right members, which waits for the movement of the first holder at the height of the transfer position and receives the cloth passed in the movement process, and a second holder arranged along the guide member. And a deployment mechanism for moving the pair of left and right members to an unfolded state while moving to a loading position, and thereafter returning to a delivery position. 2. A first holder is disposed on each of the left and right sides with respect to a charging position set in front of a charging conveyor, and a work position is provided at a lower part of a moving path of each of the left and right first holders, and a first position is provided at an upper part. The transfer position can be set, and the transfer path of the second holder intersecting with the transfer path of each of the left and right first holders at the transfer position can be spread from the left and right transfer positions to the input portion located therebetween. 2. The cloth feeding device according to claim 1, wherein the cloth feeding device is set in a range and the left and right cloths are fed alternately. 3. The first retainer has a channel shape like a substantially C-shape in a plane, moves from a lower working position to an upper transfer position, transfers cloth upward, and performs second holding. The child has a shape that can be inserted into the channel-shaped space of the first holder, waits for the first holder to rise at the transfer position, and moves to the second holder by overlapping with the first holder. 2. The cloth feeding device according to claim 1, wherein the cloth is transferred, and immediately after that, the first holder comes off the transfer position and the second holder is moved to the charging position. 4. A vertical movement mechanism is provided for moving the first retainer from the working position to the transfer position, and the vertical movement mechanism is a part of a circuit path having a belt-shaped moving member wound around a sprocket. And one or two sets of moving members
The cloth feeding device according to claim 1, wherein the cloth feeding device has a configuration in which at least one set of the first retainers is provided. 5. The second retainer transfers the cloth to a loading position by a guide mechanism and at the same time expands the cloth, and moves two members of the second retainer holding both ends of the cloth at different speeds. 2. The cloth according to claim 1, wherein the amount of work of the driving source of the moving means to which the two members of the second retainer are attached is specified by pulse counting, and the two members are moved to a position where the cloth is expanded. Feeding device. 6. A release member for releasing the holding of the cloth by the first holder for delivery of the cloth is arranged along the movement path of the first holder, and the releasing member is arranged around its own axis. The movable side member comprises a rotatable rod-shaped member, engages with a lever for operating the movable side member of the second retainer within a range of its length, and opposes the force of the urging means in the holding direction. 2. The cloth feeding device according to claim 1, wherein the cloth feeding device is configured to move the cloth in the opening direction. 7. An apparatus for unfolding cloths held by a holding member at a charging position in front of a charging conveyor, releasing the cloths at the same position, and charging the cloths to the charging conveyor. Working position to attach cloth
It can move and return from the height of the installation to the height of the transfer position
A first retainer comprising a pair of left and right members,
Waiting for the movement of the first retainer at the height of the transfer position,
A pair of left and right members that receive the cloth passed in the movement process
A second retainer made of
Move to the loading position and the distance between the pair of left and right members
Release to release state, then return to the delivery position
Deployment mechanism, and further has a pushing blade for pushing the input end of the cloth at the input position in the conveying direction of the input conveyor,
The pushing blade is a blade tip plate that comes into contact with the width direction of the cloth released from being pinched at the loading position, an extruding mechanism that pushes the blade tip plate onto the loading conveyor, and an air jet having a nozzle that sprays air in the blade tip direction. A cloth feeding device, characterized by having a pipe.