JPH03243529A - Transfer equipment - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] Industrial Application Field The invention is a transfer device that takes out a conveyed object from a pallet passed by a drive conveyor, transfers it to another conveyor, and stores and stores the pallet that has become nitrogen. It is related to.

11 and 12 show an example of a conventional conveyor line technology. Objects 4 stored on pallets 5 taken out of the automated warehouse 1 are moved by the drive conveyor 2 and stopped at a predetermined position. The conveyance 4 is moved from the pallet 5 onto another conveyor 3 by a robot 6. The empty pallets 5 are moved into a pallet stocker 7 and stacked in multiple stages. When the pallet 5 is delayed to a predetermined amount, the pallet 5 is moved to the stock position 8 and stored. This pallet 5 is supplied to a supply conveyor line 28 by a pallet supply device 9 as required.

1. Problems to be Solved by the Invention" In the above-mentioned prior art, the transfer of the transported objects 4 and the storage of the pallets 5 which have become nitrogen are carried out by a combination of independent devices such as the robot 6 and the pallet stocker 7. ,
The installation space is large and the overall cost is high. Accordingly, it is an object of the present invention to provide a device that has a small installation area and is inexpensive by integrating the above-mentioned dispersed functions.

"Means for Solving the Problems" The configuration of the present invention for achieving the above object will be explained using FIGS. 1 to 3 corresponding to the embodiments. said main shaft (18
) is slidably mounted on the first drive device (1
2) has a lifter (11) that moves vertically and a gripping device (100) that grips a conveyed object (23), and is slidable on the main shaft (18) and rotatable integrally with the main shaft (18). and a transfer arm (10) that moves vertically in conjunction with the lifter (11), and when the lifter (11) and the transfer arm (10) are in the upper position, the main It is configured with a second drive device (13) that rotates the shaft (18) and drives the drive conveyor (14) at the same time, and has a lifting function that moves the transported object (23) and the narrow pallet (22b). For functions that simultaneously lift and move objects (23)
This structure allows the transfer of the pallet and the movement of the narrowed pallet (22a) at the same time, so that functions can be shared and the device can be made smaller.

"Operation" In the transfer device of the present invention, the lifter (11) and the transfer arm (10) simultaneously slide on the main shaft (18) and move downward by the first drive device (12). The conveyed object (23) sent to a predetermined position by the drive conveyor (14) is gripped by the gripping device (110) of the transfer arm (10), and is placed on a pallet of potatoes (22b).
) is gripped by the hook (11Q) of the lifter (11). Thereafter, the lifter (11) and the transfer arm (10) are moved upward by sliding on the main shaft (18) by the first drive device (12).

As a result, the multi-tiered narrow pallets (22c) are lifted upwards, and the pallets (23) containing the objects to be transported (23) are lifted upwards.
22a) is created below, and preparations for pulling in the empty pallet (22b) containing the transported object (23) and transferring the transported object (23) are completed.

Next, the main shaft (1
8), the transfer arm (10) rotates 90 times together with this main shaft (18). At the same time, the drive conveyor (14) is driven by the second drive device, and the nitrogen pallet (22b) containing the material to be transported (23) is moved to below the stacked narrow pallets (2, 2G>). , the lifter (11) is driven by the first drive device (12).
and the transfer arm (10) descends, and the gripping device (100
) is released, and the transfer of the transported object (23) is completed. In addition, multi-tiered narrow pallets (22G>
) are stacked on top of the narrow pallet (22b) that contained them.

Roughly, 1 knotter (11) a and transfer arm (10)
The transfer arm (10) rotates and returns to its original position. At this time, the solenoid (111) does not operate, so
The hook (110) does not engage the ramie pallet (22b) and the ramie pallet (22b) does not rise.

``Embodiment'' An embodiment of the present invention will be described below with reference to the drawings. Reference numeral 11 is a lifter, and seven hooks 110 for lifting a nitrogen pallet 22b are engaged with a bin 112 at the tip of a frame 114 in a free rotation manner. .

This hook 110 is connected to the hook solenoid 111 via a link 113, and although it is not currently engaged with the frozen pallet 22b, it is structured so that it engages when the hook solenoid 111 operates. ing.

The frame 114 engages with the main shaft 18 in a freely sliding and rotational manner and with the branch 19 in a freely sliding manner. The frame 114 is locked to the tip of the first drive device 12 such as an air cylinder, and the movement of raising and lowering is performed by the first drive device 12.
It rises when compressed air is supplied to 2, and falls when the supply is stopped. Note that the first drive device 12 is fixed to a support 20.

′! O is a transfer lever and is engaged with the main shaft 18 via a thrust bearing 21 on the lifter 11 so as to have a sliding flap and to rotate together with the main shaft 18. The transfer lever 10 is prevented from rotating freely by engaging with the auxiliary shaft 180.

At the tip of the transfer lever 10, a gripping device 100 such as a true pad for gripping the object 23 is attached. A second drive 13 is attached to move the transfer lever 10. The second drive device 13 is connected to the main shaft 18 via a worm wheel 132 fixed to the tip of the main shaft 18.

Further, in this second drive device 13, rotational force is transmitted to the main shaft 18 via a motor 130, a spur tooth skewer 133, a shaft 134, a worm 131, and a worm wheel 132. Roughly speaking, this second drive device 13 is connected to the shaft 1
The drive conveyor 14
Activate.

Pallet 22a containing cargo 23 and empty pallet 2
A stopper 15 for stopping 2b in a predetermined position is attached. Stopper 15 is lever 153 or frame 2
5 is engaged with a pin 152 and pushed upward by a spring 151.The stopper solenoid 150 is operated by an arbitrary command, and the stopper 15 is released.

A sensor 16 is attached to the tip of the sensor support 24 to detect when multi-tiered stacking to a predetermined height is completed.

In response to the command from the sensor 16, the discharge conveyor 17 is operated via the motor 1701, sprocket 171, chino 172, and roller 173 to move the stacked narrow pallets 22C.

Next, the operation of this embodiment will be explained based on FIGS. 4 to 10.

As shown in FIG. 4, the pallet 22a containing the articles 23 sent by the drive conveyor 26 is stopped at a predetermined position by a lever 153. As shown in FIG. 5, the lifter 11 is lowered by discharging the compressed air in the first drive device 12.

At this time, the hook solenoid 111 operates, and the hook 1
10 becomes available for engagement with the empty pallet 22b. At this time, the transfer arm 10 attached to the upper part of the lifter 11 descends according to the movement of the lifter, and the upper surface of the transported object 23 is grasped by the gripping device 100.

Thereafter, as shown in FIG. 6, when compressed air is supplied to the first drive device 12, the lifter 11 rises, and the pallet of ramie 22b engaged with the hook 110 rises. lifter 11
The transfer arm 10 also rises in conjunction with the movement of the object 2.
3 is taken out from the pallet 22a by the gripping device 100.

Next, as shown in FIGS. 7 and 8, the second drive device 13
When the motor 130 of is rotated counterclockwise, 1 m1
33, the sprocket 1401, the chain 141, and the drive roller 142 rotate clockwise, and the empty pallet 22b is sent under the narrow pallet 22G lifted by the lifter 11. At this time, the narrow pallet 22b hits the stopper 15 and stops. On the other hand, at the same time, this second drive device 1
3 drives the worm 131 and the worm wheel 13.
The transfer lever 10 rotates integrally with the main shaft 18 via the main shaft 18, thereby moving the object.

As shown in FIG. 8, when the compressed air from the first drive device 12 is discharged, the lifter 11 descends and the stacking of empty pallets 22G is completed. Object 23 at the tip of the transfer lever 10
The transfer work will also be completed in the same way.

Next, as shown in FIG. 9, the lifter 11 is raised by supplying compressed air to the first drive device 12. At this time, the hook solenoid 111 is disconnected by a limit switch (not shown), so it does not operate, and the hook 110 does not engage with the empty pallet 22c, so the narrowed pallet 22C is not lifted. By releasing the gripping device 100, the transfer arm 10 disposed on the upper part of the lifter 11 rises while leaving the article 23 at the transfer location. As shown in FIG. 10, when the motor 130 of the second drive device 13 rotates clockwise, the main shaft 18 rotates via the flat plate 133, the worm 131, and the worm wheel 132, so the transfer arm returns to its original position. Return. The chino 141 moves counterclockwise by the sprocket 140 attached to the tip of the shaft 134.
Since a one-sided clutch (not shown) is incorporated inside the drive roller 142, the drive roller 142 has a structure in which it does not rotate. When a predetermined amount of stacking is completed, the sensor 16 is activated, and the hook 110 closes the narrow pallet 22.
At the same time as C is disengaged, the stopper 15 and discharge conveyor 17 operate and the multi-tiered pallets are discharged.

"Effects of the Invention" As explained above, the present invention shares the functions of the pallet stocker with the pallet lifting function and the robot with the lifting function of the robot, as well as the pallet moving function of the pallet stocker with the robot's moving function, etc. This reduces the area it occupies to about half that of conventional systems, making it possible to install it even in tight spaces. Further, by integrally fixing the parts, it is effective in reducing costs.

[Brief explanation of drawings]

Fig. 1 is a plan view of the transfer device according to the present invention, Fig. 2 is a side view of the transfer device, Fig. 3 is a front view of the transfer device, and Fig. 4 is a plan view of the pallet carrier containing objects to be transferred. Fig. 5 shows the state in which the pallet and the transported object are being grasped by the transfer device, Fig. 6 shows the state in which the transported object and the empty pallet are lifted upward, and Fig. 7 shows the state in which the transfer arm is transporting the object. Plan view of the middle of moving objects sideways and moving the narrow pallet forward, No. 8
The figure is a side view of the above state, Figure 9 is a side view of the state when the transported goods have been lowered onto another conveyor and the pallet has completed two-tier stacking, and Figure 10 is a side view of the state in which the transfer device is A side view of the machine returning to its original position and serving a pallet containing objects to be transported is shown. FIG. 11 shows a plan view of the conventional method, and FIG. 12 shows a side view of the conventional method. In the figure,

Claims (1)

[Claims] A transfer device that transfers objects stored on pallets placed on a drive conveyor, stacks the empty pallets in multiple stages, and stores them. and a rotatably supported main shaft, and a hook for gripping the empty pallet, and is slidably attached to the main shaft and moved in the vertical direction by a first drive device. a lifter; a transfer arm that has a gripping device for gripping the object, is slidably and rotatably attached to the main shaft, and moves vertically in conjunction with the lifter; and a second drive device that rotates the main shaft and simultaneously moves the drive conveyor when the lifter and the transfer arm are in the upper position.