JP3186374B2 - Tray transport system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tray transport system.

[0002]

2. Description of the Related Art Spinning winders (take-up winders)
It is necessary that the package wound up in this step is transported in a posture lying sideways on this section so that the yarn end does not drop during the transportation to the yarn end processing device. For this reason, as shown in FIG. 6, the direction of the pegs 2 is slightly increased from horizontal by using the tray 4 on which the support plate 3 of the pegs 2 is erected on the substrate 1, and the horizontal pegs 6 of the doffing truck 5 are used. , And transfer it to the yarn end processing station by a roller conveyor or the like, transfer the package subjected to the yarn end processing to the tray 9 of the vertical peg 8, and perform the next step (quality inspection, temporary storage, shipping, etc.). ).

[0003]

However, since the trays 4 of the inclined pegs 2 cannot be stacked, they have to be flat stacked even when they are empty. For this reason, when a large number of trays 4 are reserved, such as when adjusting the speed between continuous production (thread end processing) and intermittent shipment, there is a problem that a large storage space is required. Was.

In view of the above circumstances, the present invention has been devised in order to provide a tray transport system capable of transporting unprocessed yarn end packages by trays that can be stacked.

[0005]

SUMMARY OF THE INVENTION The present invention relates to a tray transport system for inserting a package into a stackable tray having pegs protruding from a substrate and transporting the tray with the tray appropriately inclined. the together before and after the section to be conveyed to be inclined the tray to stop the horizontal tray one o'clock
The tray is tilted so that the pegs are directed sideways in the transport direction, and a tray tilting device is provided to level the tilted tray, and the tilted tray is maintained in the section where the tray is tilted and transported. In this case, a support guide is provided for carrying the sheet in a state of being held.

[0006]

According to the above construction, the rolled-up package can be transported to the yarn end processing device by the tray capable of stacking.

[0007]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 shows an embodiment of a tray transport system according to the present invention. This tray transport system includes a stackable tray 1 in which a peg 12 is provided at the center of a substrate 11 having a substantially square shape in a front view and protruding at right angles to the surface thereof.
3, the horizontal tray 13 is temporarily stopped before and after the section in which the tray 13 is inclined and transported , and the pegs are transported.
The tray 13 is tilted so that the tray 12 is directed to the side in the transport direction , and tray tilting devices 16, 17, and 18 for leveling the tilted tray 13 are provided.
In a section where the sheet is conveyed while being inclined, a support guide 20 for conveying the sheet while maintaining the posture of the inclined tray 13 is provided. In the present embodiment, for example, the package receiving point (P) is set in a state where the tray 13 is appropriately inclined.
To at least the position of the yarn end processing device 14. Each tray 13 in the horizontal state conveyed by the roller conveyor 19 is moved by the tray tilting device 16 such that the peg 12 is supported on one side 15 of the substrate 11 in the conveying direction.
Package 7 which is woken up and before yarn end treatment
a from the side in the transport direction and the tray tilting device 1
7, the roller is slightly inclined toward the roller conveyor 19,
The package 7a is conveyed by the roller conveyor 19 while being guided by the support guide 20 while maintaining the inclined posture, and the yarn end processing device 14 processes the package 7a from the side in the conveying direction. Is to be returned to.

The tray tilting devices 16... 18 are provided with a support frame 21 engaged with the back side of the substrate 11 and the roller conveyor 1.
9 and a link mechanism 26 for transmitting the rotation of the rotation motor 22 to the support frame 21 via brackets 23, 24, 25.
27, 28, which are provided before the package receiving point (P), at the package receiving point (P), and on the downstream side of the yarn end processing device 14, respectively. That is, the first tray tilting device 16 tilts the tray 13, which has been sent from the upstream side with the substrate 11 resting on the transport surface of the roller conveyor 19, at 90 ° with one side 15 as a fulcrum,
At the receiving point (P), the package 7a is inserted into the tray 13 and the tray 13 is returned by 10 degrees by the second tray tilting device 17 and transferred to the support guide 20, and the tray 13 of the package 7b having been subjected to the yarn end treatment is provided. Is returned to a state where the substrate 11 is horizontal by the third tray tilting device 18.

The support frame 21 of the tray tilting devices 16... 18 has three horizontal plates 30 formed in parallel with the rollers 29 and having a width smaller than the distance between them, and It is mainly assembled by one vertical plate 31 intersecting the plate 30. The vertical plate 31 is provided on the opposite side of the tilt fulcrum of the substrate 11, and has a folded portion 32 that goes around the upper surface of the substrate 11. That is, the folded portion 32 supports the tray 13 so as not to fall forward in the tilting direction when the tray 13 is raised. Note that a roller may be provided in the folded portion 32 so that the substrate 11 can easily slide. On the other hand, a pin 33 serving as a tilting fulcrum is provided at an end of the horizontal plate 30, and the pin 33 is supported by a housing 34 of the rotation motor 22.

Brackets 23 ... 25 and link mechanism 26
.. 28 have slightly different shapes depending on the tray tilting devices 16. As shown in FIG. 2, the first tray tilting device 1
The sixth bracket 23 is formed of a triangular plate, one side of which is attached to the middle horizontal plate 30, and the opposite apex extends in a direction perpendicular to the support frame 21 and is connected to the link mechanism 26. The link mechanism 26 is composed of a first link rod 36 connected to the output shaft 35 of the rotation motor 22 and a second link rod 37 connected to the bracket 23, and provided with rotating pins 38, 39 at each node. I have. When the rotation motor 22 makes one rotation, the tip of the second link rod 37 moves up and down in an arc shape as shown by the dashed line A in the figure, and the support frame 21 is parallel below the roller 29. It is designed to be deployed and moved between a state (shown by a solid line) and a substantially upright state (shown by a two-dot chain line). Guides 42 and 43 for guiding the substrate 11 of the tray 13 in the transport direction are formed on the conveyor frames 40 and 41 that support the rollers 29. One side 1
5 has been launched to support it as appropriate. An inclined surface 44 is formed on the support frame 21 closer to the fulcrum than the folded portion 32 to slide the other side of the substrate 11 with the tilt and guide the slide 11 into the folded portion 32. As shown in FIG. 1, a pair of proximity sensors 46 supported by a bracket 45 are provided in the housing 34 to sense the first link rod 36 and control the rotation motor 22 appropriately. I have.

The bracket 2 of the second tray tilting device 17
4 is formed in a substantially L-shape as shown in FIG. 3, the side of one arm is attached to the horizontal plate 30, and the tip of the other arm is connected to the second link rod 47 of the link mechanism 27. I have. The first link rod 48 is formed relatively short, and the support frame 21 is erected substantially vertically by a single rotation of the rotation motor 22 (shown by a solid line in the figure), and is returned by about 10 degrees. (Shown by a two-dot chain line in the figure). Support frame 2
A cover 49 raised from the housing 34 is provided so as to cover the upper side and the rear side of the housing 1. The proximity sensor 46 for controlling the rotation motor 22 includes:
The dog 52 attached to the first link rod 48 is detected. The third tray tilting device 18
The bracket 25 and the link mechanism 28 are formed in the same manner as that of the first tray tilting device 16. The rotation of the rotation motor 22 rotates the support frame 21 at an angle of about 80 degrees, And a state where it is substantially horizontal below the space.

The support guide 20 is composed of a column 50 standing upright between the rollers 29, and guide plates 51, 52 provided above and below the column 50 in parallel in the transport direction. That is, the guide plates 51 and 52 are
By supporting the back surface of the roller 29, only one side 15 is maintained at an inclination of about 80 degrees placed on the roller 29.
The tray 13 is transferred by the rotation of. Instead of this support guide, a tray tilting device having a support frame fixed at 80 degrees may be arranged.

In addition, each of the tray tilting devices 16... 18 is provided with a stopper (not shown) that engages with the substrate 11. By doing so, the tray 13 is stopped and the conveyance is started.

With such a configuration, the empty tray 13 conveyed to just before the package receiving point (P) is
It is stopped at the position of the first tray tilting device 16 and the support frame 21 is unfolded and raised by the drive of the rotation motor 22. Then, it is sent to the receiving point (P) in a posture lying down at 90 degrees, and is locked on the support frame 21 of the second tray tilting device 17 which stands vertically and stands by. Then, in this state, the package 7a is received from the arm end 51 of the doffing truck, and then the rotation motor 22 is received.
The tilt angle is returned to 80 degrees by the drive of
It is held by the support guide 20 and sent to the yarn end processing device 14. After the yarn end processing device 14 performs the yarn end processing,
The tray 13 of the package 7b is sent to a third tray tilting device 18. When the rotation motor 22 is driven, the axis of the package 7b is returned to the vertical state, and the lower surface of the substrate 11 is placed on the rollers 29 and sent to the next processing station (not shown).

Accordingly, in the process from the reception of the package 7a to the yarn end processing, the transfer can be carried out smoothly by the tray 13 having the pegs 12 protruding from the substrate 11, and the conventional protruding in a substantially horizontal direction. Trays with pegs are not required. That is, space saving is achieved by stacking the trays 13. In the present embodiment,
The roller conveyor 19 need only be driven to rotate at all times, and there is no need for complicated control for stopping and starting the tray 13 at each processing point.

Next, a specific embodiment of the present invention will be described with reference to FIG. Roller conveyor 1 of this tray transport system
9 is a yarn end processing conveyance path 63 extending in parallel with the track 62 of the doffing truck 61, and connected to the automatic warehouse 6 at a downstream end thereof at a right angle.
4 and a shipping transport path 68 extending from the exit table 66 of the automatic warehouse 64 to the reserve section 67, and are provided in a substantially closed loop shape. Each transport path 6
At the connection corners of 3, 65, 68 and the entrance of the reserve part 67, a direction changing device 81 for transferring the tray 13 is provided. The direction changing device 81 is provided with a roller 29.
The tray 13 is moved up and down between the transport surfaces of the roller conveyors 19 to move up and down.

In the yarn end processing conveyance path 63, the first tray tilting device 16 and the second tray tilting device
7, a support guide 20, a yarn end processing device 14, and a third tray tilting device 18 are sequentially installed from the upstream side. The section in which the tray 13 is transported in an inclined state is formed by a roller conveyor 82 having a relatively small width.

An inspection device 69 is provided in the incoming conveyance path 65, and the quality (grade) is determined by checking the surface layer or the like of the package 7b after the yarn end has been processed, and a label including the information is transferred to the downstream side. After being attached to the tray 13 by the labeler 70 installed on the side, the contents are input to a control unit (not shown) and then stored in the automatic warehouse 64. The automatic warehouse 64 has a number of shelves 71 and a tray 1
A stacker crane 72 for loading and unloading the tray 3 is provided. When a loading command is input to the control unit, the trays 13 are sequentially carried out from the corresponding shelf 71 to the loading table 66.

In the shipping transport path 68, the trays 13 are arranged three by three. The packages 7b are extracted from the trays 13 by the overhead transport vehicle 73, and are palletized in several stages by the packing station 74 by 9 pieces. (Palletized). Then, the empty tray 13 is sent to the inlet of the reserve section 67 as it is. The reserve section 67 is provided with a three-row roller conveyor 75 for placing the trays 13 stacked in 5 to 6 stages and temporarily storing the trays 13 in front justification. This reserve part 6
In front of the entrance 7 and in front of the first tray tilting device 16, stacking / unstacking devices 76 and 77 are provided.
As shown in FIG. 5, these devices 76 and 77
And a holder 79 that holds the peripheral end of the tray 13 above the roller 29. Then, the tray 13 sent earlier is held by the holder 79, and the next transported tray 13 is lifted by the lifter 78 and the peg 12 is inserted into the concave portion on the back side of the peg 12, so that the shaft center is They are stacked one after another in an aligned state. When removing one by one, the procedure is reversed.

According to this configuration, the package 7a wound by the take-up winder 80 is doffed by the doffing truck 61 at the same time, and is carried to the second tray tilting device 17 at the receiving point (P). Same tray 13
While being transported by the roller conveyors 19 and 68 in a state of being inserted, the yarn end processing, quality inspection, warehousing, unloading, and shipping are automatically performed. That is, a single type of tray 13 can be smoothly transported and processed, and the empty tray 13 is stored in the reserve section, thereby saving space in the factory.

It is to be noted that two tray tilting devices are provided at the package receiving point (P) so that the tray tilting device is divided into a device dedicated to receiving the package in a sideways state and a device tilted back by 10 degrees on the downstream side. Good. Further, a plurality of packages may be provided so that a large number of packages can be received at one time. In the above embodiment, the tray is formed of a square substrate having a substantially square shape when viewed from the front. However, if the tray has a shape such that a part of the peripheral surface of the substrate is frictionally transferred by a roller, the tray transport of the present invention is performed. Can be adopted in the system.

[0023]

In summary, according to the present invention, an untreated yarn end package can be transported by a stackable tray, and an excellent effect of saving space for storage is achieved.

[Brief description of the drawings]

FIG. 1 is a side view showing an embodiment of a tray transport system according to the present invention.

FIG. 2 is a front view showing a main part of FIG. 1;

FIG. 3 is a front view showing another main part of FIG. 1;

FIG. 4 is a plan view showing a specific embodiment of the present invention.

FIG. 5 is a side view showing the stacking / unstacking device in FIG. 4;

FIG. 6 is a side view showing a conventional tray transport system.

[Explanation of symbols]

 7a Package (for yarn end processing) 11 Substrate 12 Peg 13 Tray 14 Thread end processing device 16, 17, 18 Tray tilting device 19 Roller conveyor 20 Support guide

Claims (1)

(57) [Claims] 1. A is inserted Package peg to stacking tray capable of protruding from the substrate, a tray transporting system for transporting in a state of being appropriately inclined the tray, the bets <br/> Rei Before and after the section where the paper is transported with the
Pause and turn the pegs sideways in the transport direction
A tray tilting device is provided for tilting the above-described tray and leveling the tilted tray. In a section where the tray is tilted and transported, a support guide for transporting the tray while maintaining the attitude of the tilted tray is provided. A tray transport system comprising: