JP2563054B2 - How to fill the transport tray - 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 structure for transportation,
In addition, the present invention relates to a method for filling the transfer tray with a work and a method for discharging the work from the transfer tray.

[0002]

2. Description of the Related Art Generally, when a work such as a bottle or a container is transferred, a box-shaped transfer tray is used. The transfer tray is filled with the work and transferred, and the transfer tray is placed at a predetermined position. The work is being discharged from. Conventionally,
When filling a work, especially a bottle in which liquid is sealed in the transfer tray, it is necessary to put the bottle upright in the transfer tray over the peripheral wall around the transfer tray. Filling work is performed manually or by using a work robot, or the like, in which a plurality of pieces are individually or collectively grasped and arranged in the conveyance tray over the peripheral wall of the conveyance tray. Also, when ejecting from the transport tray, the bottles must be taken out of the transport tray upright over the peripheral wall around the transport tray. BACKGROUND ART Ejecting work for grasping a sheet and taking it out of the transport tray over the peripheral wall of the transport tray is performed manually or by using a work robot.

[0003]

The above-mentioned conventional transfer tray is a stackable box type, and during the work of filling or discharging the work, the work must be moved over the peripheral wall which is higher than the bottom surface. In addition, since it is necessary to change the height to move the work, there is a problem in that the work efficiency is limited when the work is performed manually, and there is a problem that it goes against labor saving. Further, when mechanization such as using a work robot is performed, there are problems that the filling mechanism and the discharging mechanism are complicated, and the work efficiency of the filling work and the discharging work is low.

An object of the present invention is to provide a transfer tray having a structure capable of easily filling and discharging a work, and a filling / discharging method having a high filling / discharging speed and improved work efficiency. is there.

[0005]

In order to achieve the above object, a method of filling a transport tray according to the present invention has a predetermined plane shape such as a rectangle or a polygon and is formed higher than a work to be filled. A main body having a peripheral wall portion and a support portion provided inside the lower portion of the peripheral wall portion, and a main body that is a separate body and can be placed on the support portion, and the lateral wall portion limits lateral displacement, and the main body And a movable bottom plate that is movable up and down with respect to the main body, and the main body is provided with an opening through which a pushing-up means installed below can be inserted, and a method for filling a work tray with a work. At the work position, only the movable bottom plate of the empty transport tray is raised to the same height as the work supply device such as a turntable, and on the work supply device, the internal shape equal to or slightly smaller than the outer dimensions of the movable bottom plate. Dimensions By filling a predetermined number of works in a guide frame that has the same shape as the inner shape of the peripheral wall of the transport tray, the guide frame is moved horizontally from the work feeder onto the movable bottom plate to move the work onto the movable bottom plate. To lower the movable bottom plate with the work placed on it and position it inside the peripheral wall of the transfer tray, so that the work can be smoothly loaded into the transfer tray and the filling speed can be increased. Therefore, the work efficiency can be improved, and even a work that is prone to fall is not likely to fall and is not damaged.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings.
In FIG. 1 and FIG. 2, the transport tray 1 is formed to have a peripheral wall portion 2 which is higher than the work W to be filled and which is formed so as to be widened toward the upper side, and which is projected outward at an upper end of the peripheral wall portion 2. The flange portion 3, the support portion 4 projecting inward from the lower inner peripheral wall of the peripheral wall portion 2, and the opening surrounded by the support portion 4.
40 and a plurality of reinforcing and supporting ribs 5 vertically extending from the flange 3 to the position above the lower end of the peripheral wall 2 on the outer wall surface of the peripheral wall 2, and a separate body from the main body. The movable bottom plate 6 is formed so that it can be placed on the support portion 4 and can be moved vertically with respect to the main body while the lateral displacement is limited by the peripheral wall portion 2. In addition,
The peripheral wall portion 2 is formed such that the upper end opening is larger than the lower end outer peripheral dimension, so that the plurality of transport trays 1 can be supported and stacked by the supporting ribs 5.

With this configuration, the movable bottom plate is moved upward by the pushing-up means, the movable bottom plate is positioned higher than the upper end of the peripheral wall portion at the time of filling, and the work is horizontally moved by the work supply means to perform the work filling. Further, at the time of discharging, the work can be discharged by placing the movable bottom plate higher than the upper end of the peripheral wall portion with the work placed thereon and moving the work horizontally by the work discharging means.

An example of a filling device is shown in FIGS. The filling device 10 is placed across the conveyor 11 that transfers the transfer tray 1, and is placed on the supply turntable (work supply device) 12 in the empty transfer tray 1 sent from one side. The filled work W is filled and sent to the other. The filling device 10 includes a transfer table 13 which is located on the conveyor 11 and has an opening 14 through which the movable bottom plate 6 of the transfer tray 1 can be put in and taken out, and a protruding portion of the conveyor 11 to the outside. Turntable for supply 12 that rotates on the section
And the transfer table 13 on the opposite side of the supply turntable 12.
A support frame 15 fixed to the support frame 15, one end of which is fixed to the support frame 15 and extends on both sides of the opening 14 beyond the supply turntable 12 and on the upper surface of the auxiliary frame 22 extended on the supply turntable 12. A pair of guide rails 16 whose ends are fixed, and a sliding portion slidably engaged with the guide rails 16.
171 and a filling guide frame 17 having an intake guide 18 open to the side of the auxiliary frame 22, a transfer air cylinder 20 fixed to the support frame 15, and a piston (not shown) in the transfer air cylinder 20. Filling push rod 21 fixed to the filling guide frame 17 at the other end.
And a work forced feed belt 19 attached to the lower surface of the auxiliary frame 22 and aligned with the inlet of the intake guide 18 of the filling guide frame 17.

On the lower surface of the transfer table 13, an upper end opening 24 that is larger than the opening 14 and smaller than the outer shape of the flange portion 3 at the upper end of the transport tray 1, a tapered wall surface 25 that widens downward, and a tapered wall surface. A filling guide ring 23 having a lower end 25 and a lower end opening 26 larger than the outer shape of the flange portion 3
Is installed around the opening 14.

A first pusher 27 and a second pusher 28 are provided below the opening 14 of the transfer table 13 so that the transfer tray 1 transferred by the conveyor 11 below the transfer table 13 substantially coincides with the opening 14. Then, the first pusher 27 contacts the lower end of the peripheral wall portion 2 of the transport tray 1 to push up the entire transport tray 1, and the flange portion 3 of the transport tray 1 contacts the tapered surface 25 of the guide ring 23. Ascending, the movable bottom plate 6 and the opening 14 are aligned and stopped. After the tray 1 for transportation is aligned and stopped, the second pusher 28 penetrates the opening 40 and pushes up the movable bottom plate 6 from the support portion 4, and the upper surface of the movable bottom plate 6 substantially coincides with the upper surface of the transfer table 13. Raise to the position where you want to.

FIG. 3 shows the supply state of the work W, in which the movable bottom plate 6 rises to a position substantially coincident with the transfer table 13, and the filling guide frame 17 moves onto the supply turntable 12 which rotates clockwise. And the work supply conveyor 12
When the work W placed on the upper surface of the supply turntable 12 from 1 is fed from the intake guide 18 into the filling guide frame 17 by the work forced feed belt 19, the supply turntable 12 rotates and the filling guide 18 rotates. Since the frame 17 is stopped, the frames are arranged in a staggered manner in the filling guide frame 17 in order from the corner away from the intake guide 18.

A predetermined number of works W are filled with a guide frame
After being accommodated in 17, the stopper 191 shuts off the supply path and the work force feed belt 19 stops, and then the filling guide frame 17 is pushed by the push rod 21 from the supply turntable 12 to the transfer table 13. The workpiece W is moved and moved to the upper surface of the movable bottom plate 6 in the raised position, that is, the opening 14 and stopped (dotted line position 19A), and the work W is placed on the movable bottom plate 6.

After the work W is placed on the movable bottom plate 6,
The movable bottom plate 6 on which the second pusher 28 is lowered and the work W is placed.
, And the movable bottom plate 6 is engaged with the support portion 4 on the lower inner surface of the transport tray 1, the second pusher 28 is further lowered, the first pusher 27 is lowered, and the transport tray 1 is lowered. The conveyor 11 is moved from the transfer table 13, and the other empty transfer tray 1 is aligned with the transfer table 13 and stopped.

With this structure, since the work is accommodated in the filling guide frame by a predetermined number and moved to the movable bottom plate to be filled, the work tray is smoothly filled and the filling speed is increased. The size of the work can be increased, the work efficiency can be improved, and even a work that easily falls can be prevented from falling and is not damaged.

5 and 6 show an example of the discharging device. In the discharging device 30, a discharging table 32 is arranged on a conveyor 31 to which the transfer tray 1 filled with the work W is transferred, and the discharging table 32 has an opening 33 through which the movable bottom plate 6 can pass.
An upper end opening 34 that is larger than the opening 33 and smaller than the outer shape of the flange portion 3 at the upper end of the transport tray 1 is formed on the lower surface around the opening 33.
And a tapered wall surface 35 that widens downward, and a lower end opening that is larger than the outer shape of the flange portion 3 at the lower end of the tapered wall surface 35.
A discharge guide ring 37, which is provided with 36, surrounds the opening 33.

A supporting member 38 is provided at an outer position corresponding to an opening 33 at one end of the discharging table 32 in a direction intersecting with the conveyor 31, and discharging is performed on a supporting plate 381 arranged in the supporting member 38 in parallel with the conveyor 31. An air cylinder 39 and guides 40 are provided on both sides of the air cylinder 39, and a push plate that protrudes from the discharge air cylinder 39 has a tip in the opening 33 direction and a tip of the slide rods 41, 41 penetrating the inside of the guide 40 in the 33 direction. (Work discharging means) 42. The push plate 42 is provided on the discharge table 32 so as to be movable with a proper clearance between a pair of fixed guide frames 43 extending in the direction orthogonal to the conveyor 31 from the support member 38 side with the opening 33 interposed therebetween.

A shutter 44 that can be opened and closed is provided on the side facing the push plate 42 across the opening 33, and a support member 38 is provided.
A discharge turntable (workpiece discharge device) 45 that rotates in the counterclockwise direction in the figure is provided with a guide member 451 having one end fixed to a pin 450 that is eccentric from the center and extending in the radial direction on the side opposite to. A guide wall 46 for preventing the work W from falling is provided around the discharge turntable 45, and a discharge port 47 is opened at a predetermined position and connected to the work discharge conveyor 47.

A third pusher 48 and a second pusher 49 are provided below the opening 33 of the discharge table 32.
The transport tray 1 filled with the work W transported by the conveyor 11 below is stopped so as to substantially coincide with the opening 33, and the third pusher 48 contacts the lower end of the peripheral wall portion 2 of the transport tray 1. Pushing up the entire transport tray 1, the flange portion 3 of the transport tray 1 is the tapered surface of the discharge guide ring 33.
The movable bottom plate 6 and the opening 32 are aligned with each other and stopped. The fourth pusher 49 penetrates through the opening 40 and pushes up the movable bottom plate 6 from the support portion 4 after the transport tray 1 is aligned and stopped, and the upper surface of the movable bottom plate 6 substantially coincides with the upper surface of the discharge table 32. Raise to the position where you want to.

The operation will be described below.
Open the transfer tray 1 filled with the work W under the opening 33
The third pusher 48 abuts the lower end of the peripheral wall portion 2 of the transfer tray 1 to push up the transfer tray 1 as a whole, and the flange portion 3 of the transfer tray 1 is tapered by the discharge guide ring 33. The movable bottom plate 6 comes in contact with the surface 35 and rises.
After the opening and the opening 32 are aligned and stopped, the fourth pusher 49 penetrates the opening 40 and pushes up the movable bottom plate 6 from the support portion 4, and the upper surface of the movable bottom plate 6 substantially coincides with the upper surface of the discharge table 32. Raise to position. At this time, the push plate 42 is in the solid line position (see FIG. 5), and the shutter 44 is closed.

The work W pushed up together with the movable bottom plate 6 has a push plate 42 and fixed guide frames 43, 43.
Also, it is housed in a rectangular space formed by the shutter 44. Next, the shutter 44 is opened and the push plate 42 is opened.
However, the workpiece W is pushed out onto the discharge turntable 45 by being pushed by the discharge air cylinder 39 via the push rod 391. After the work W has moved, the fourth pusher 49 descends to lower the movable bottom plate 6 to engage with the support portion 4 on the lower inner surface of the transport tray 1, the fourth pusher 49 further descends, and the third pusher 48. Is lowered to lower the transport tray 1 and move it from the discharge table 32 by the conveyor 31, and the transport tray 1 filled with another work W is aligned with the discharge table 32 and stopped.

The work W extruded onto the discharge turntable 45 is pushed counterclockwise by the guide member 451 to the periphery of the discharge turntable 45, and the discharge port.
It is sent from the work 47 to the work discharge conveyor 47.

With this structure, the fixed guide plate reliably guides the work, and the push plate pushes the work onto the discharge turntable. Therefore, the work can be discharged smoothly and the discharge speed can be increased. The efficiency can be improved, and even a work that easily falls is not likely to fall and is not damaged.

[0023]

Since the present invention is configured as described above, it has the following effects. The movable bottom plate is moved upward by the pushing-up means, the movable bottom plate is positioned higher than the upper end of the peripheral wall portion at the time of filling, and the workpiece can be filled by moving the workpiece in the horizontal direction by the work supply means. Occasionally, the work can be discharged by positioning the movable bottom plate higher than the upper end of the peripheral wall with the work placed and moving the work horizontally by the work discharging means. In addition, at the time of filling, since a predetermined number of works are accommodated in the filling guide frame and are moved by moving horizontally on the movable bottom plate, the work can be smoothly filled in the transfer tray, and the filling speed can be increased. Therefore, the work efficiency can be improved, and even if the work is prone to fall, there is no risk of falling and there is no risk of damage. further,
At the time of discharging, since the work is extruded horizontally on the discharge turntable by the extrusion device, the work can be discharged smoothly, the discharging speed can be increased, and the working efficiency can be improved. Even a work that easily falls is not likely to fall, and there is no risk of damage.

[Brief description of drawings]

FIG. 1 is a perspective view of a carrying tray according to the present invention.

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

FIG. 3 is a plan view showing an example of a device for filling a transfer tray according to the present invention.

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

FIG. 5 is a plan view showing an example of a device for discharging from a carrying tray according to the present invention.

6 is a sectional view taken along line VI-VI in FIG.

[Explanation of symbols]

1 Transport tray, 2 peripheral wall parts, 3 flange parts, 4
Support part 5 Reinforcing and supporting ribs, 6 Movable bottom plate, 10 Filling device, 30
Ejection device W work

Claims (1)

(57) [Claims] 1. A main body having a peripheral wall portion and a support portion provided inside the lower portion of the peripheral wall portion; and a main body that is a separate body, is mountable on the support portion, and is attached to the peripheral wall portion. The work is supplied to a transfer tray which is composed of a movable bottom plate which can move up and down with respect to the main body while limiting lateral displacement, and in which an opening is formed through which a push-up means installed below the main body can be inserted. At the working position, only the movable bottom plate of the empty transport tray is raised to the same height as the work supply device such as a turntable, and on the work supply device, the outer size of the movable bottom plate is equal to or slightly larger than the outer size of the movable bottom plate. With a small inner dimension, the guide frame is formed in the same shape as the inner shape of the peripheral wall of the transport tray, and then a predetermined number of works are filled, and then the guide frame is horizontally moved from the work supply device onto the movable bottom plate. A method for filling a transfer tray, which comprises moving the work to place it on a movable bottom plate, and then lowering the movable bottom plate with the work placed thereon to be positioned within a peripheral wall portion of the transfer tray.