JP2970034B2 - Automatic box packing equipment for cathode ray tubes - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic boxing apparatus for CRT articles, and more particularly, to an apparatus for automatically boxing articles to be boxed, for example, CRT panels in a tray. is there.

[0002]

2. Description of the Related Art A CRT article, for example, a CRT panel, is taken out of an annealing furnace and then supplied to a boxing process using a suitable conveying device such as an endless belt. After the inspection is completed, the panels sent out to the box packing process are manually packed by an operator into one of the compartments of the cardboard box having a partition wall therein in an upright state, and sent out to the shipping process.

[0003]

However, manual packing takes time and labor, and as the weight of the panel increases with the increase in the size of the cathode ray tube, the handling of the panel becomes more difficult and the operation time is reduced. The need for automation and labor saving has become more and more remarkable due to the increased risk of the problems, and there has been a demand for an immediate solution to these problems.

[0004]

According to the present invention, there is provided an apparatus for automatically boxing a predetermined number of CRT articles in a plurality of hard trays stacked on a pallet in an aligned state, A conveyor that feeds the pallet on which the trays are stacked into the adjacent lifter room
And receipts chamber example Bei, a pallet supplied from the goods receipt chamber
Independently equipped conveyors for receiving
Doo, the rise lifter chamber example Bei lifter apparatus for sequentially transferring the rising stroke corresponding to the height of one sheet tray is disposed adjacent to the elevated lifter chamber, to support the pallet unloading
Conveyor for feeding to room
And lowering the lifter chamber example Bei the lifter device for sequentially transmitting the downward stroke corresponding to the height of the sheets are placed on top between the rising lifter chamber and falling lifter chamber, empty trays and pallets of the chucking mechanism Bei for example, both of them at the same time transport
A tray and pallet transfer device comprising a horizontally movable traverser; a multi-axis robot for packing a predetermined number of cathode ray tube articles in an aligned state in individual trays supplied to the descending lifter chamber; Bed characterized in that it is constituted of a goods issue chamber example Bei conveyor for feeding a plurality of CRT article cartoning tray laminate which is packed with the lifter chamber to subsequent step with pallet
An object of the present invention is to provide an automatic box packing device for articles for round tubes .

[0005]

[Function] Only the first time, a pallet on which one empty tray is placed is supplied from the storage room to the ascending lifter room, and then they are transferred to the descending lifter room by the transfer device, and articles are moved down by the multi-axis robot to the descending lifter room. Into an empty tray. From the next time, the empty trays are supplied to the storage room in a state where the empty trays are stacked on the pallet in a predetermined number unit, and further supplied to the ascending lifter room.

[0006] The transfer mechanism sequentially transfers the sheets from the uppermost empty tray in the ascending lifter chamber to the tray after packing in the descending lifter chamber. The stack of the descending lifter chamber in which the empty tray at the lowermost part of the ascending lifter chamber is left and the boxes for the cathode ray tubes are packed in the empty tray above the empty tray is sent out from the warehouse to the next step. Then, the one empty tray and the pallet remaining in the lifter chamber are simultaneously transferred to the lower lifter chamber by the transfer device, and thereafter, the same operation as the first operation is repeatedly repeated. In particular, the present invention relates to a lifter and a descending lift of a lifter chamber.
Conveyors were installed independently of the lifter in the data room
To support the entire bottom of the pallet in each room.
Prevents collapse of cargo and collapses, and stabilizes CRT packaging
Can be loaded and unloaded.
Stable when packing tubes for pipes in an aligned arrangement
Can be packed in a box, heavy brown
It can fully cope with packing of articles for pipes. In addition, the transfer of the present invention
The loading device has a tray and pallet chucking mechanism.
To transfer the last tray and pallet at the same time
Pallet from the ascending lifter chamber to the descending lifter chamber
It is not necessary to install a conveyor for transporting floors on the floor side.
Therefore, the conveyor of the descending lifter chamber is
It can be the same width or more, packed in CRT goods
And unloading of heavy pallets consisting of stacked tray stacks
Carrying out to the storage room can be performed stably.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1, a tray (1) is a top-opening type article storage container formed by injection molding of plastic, and a tray (1) is provided in one tray (1). ) Are provided with reinforcing walls (3) and (4) for supporting the deflection.

The height of the tray (1) is such that when a plurality of trays (1) are stacked, on the upper surface of the panel (10) fitted therein, the lattice of the tray (1) located at the upper level Is designed to be slightly higher than the height of the panel (10) so that the lower surface of the bottom wall portion (9) does not hit. On the other hand, a projection (5) is provided on the upper surface of the tray (1), and correspondingly, on the lower surface of the tray (1), a projection for fitting the projection is formed in accordance with the formation position of the projection (5). A recess (not shown) is provided. Further tray (1)
Have nested engaging portions (8) formed at the corners of the upper and lower surfaces to prevent mutual displacement. The tray (1) is configured such that the projections (5) and the recesses and the nested engagement portions (8) are fitted to each other.
It is configured so that a plurality of pallets (2) can be stacked in a positioning state. For the same reason as described above, a tray support plate (2A) having the nested engaging portion (8) seat recess at the corner thereof is fixedly provided on the upper surface of the pallet (2). ing. The side walls of the tray (1) and the pallet (2) are provided with chuck claws (5A) of a chucking mechanism (50A) provided in the transfer device (50) described later.
1) It has engagement portions (6) and (7) with (52). The tray (1) is preferably made of plastic, but may be made of light alloy, plywood or other hard material.

Hereinafter, the configuration of the apparatus of the present invention will be described based on a specific example in which the panel (10) of a cathode ray tube is automatically boxed.

As shown in FIGS. 2, 3 and 4, the storage room (20) adjoins a plurality of, for example, six, empty trays (1) stacked on a pallet (2) in a multi-stage manner. A roller conveyor (2) comprising a number of rollers arranged in a state in which the axis of movement is perpendicular to the moving direction B of the empty tray (1).
1) and a drive motor (2) for the roller conveyor (21).
2). The empty tray (1) stacked on the pallet (2) is moved along the axial direction of the roller conveyor (21) as shown by an arrow A in FIGS.
0), and thereafter, as shown by an arrow B in FIG. 2 and FIG. 4, is disposed downstream thereof by utilizing the rotation of a roller conveyor (21) driven by a drive motor (22). And is carried into the lifter chamber (30).

The ascending lifter room (30) is provided in the storage room (2).
A first lifter device for sequentially transmitting an ascending stroke corresponding to the height of one empty tray (1) fed from an empty tray (1) to the empty tray (1). Reducer (32), gearbox (33),
And a lifter driving device comprising a sprocket wheel (34) fixed to the left and right output shafts of the gear box (33), and a chain (35) wound around the sprocket wheel (34) at one end. The balance weight (36) is joined, and the chain (3)
The lifter body (37) is fixed to the other end of 5) to constitute a mechanism for vertically moving the empty tray (1) and the pallet (2). As shown in FIGS. 2, 3, 4 and 5, the lifter main body (37) arranges a large number of rollers (38) substantially horizontally while maintaining a predetermined interval, thereby forming the empty tray (1) and the empty tray (1). The movable loading surface of the pallet (2) is formed. The axial direction of the roller (38) is designed to match the axial direction of the roller conveyor (21) provided in the storage room (20), and the lifter body (3
At an appropriate position 7), a drive motor (not shown) for the roller (38) is provided. The drive motor of the roller (38) is driven when the empty tray (1) is carried in from the storage room (20) to the lifter room (30). As shown in FIG. 4, the lifter chamber (30) is located in front of the empty tray (1) and the pallet (2) as viewed from the carrying direction.
Roller conveyor (21)
And a stopper (not shown) for positioning and stopping the empty tray (1) and the pallet (2) fed by the rotation of the roller (38) at predetermined positions. In addition, in order to perform positioning in a direction orthogonal to this, the empty tray (1) and the pallet (2) are pressed in the lifter chamber (30) in the same direction as the loading direction A into the storage chamber (20). A pusher and a stopper (not shown) are provided to face each other.

The descending lifter chamber (40) stores the empty tray (1) in the empty tray (1) and the pallet (2) sent from the ascending lifter chamber (30) via the transfer device (50) described later. A lifter device for sequentially transmitting a descending stroke corresponding to the height of a sheet, comprising a power transmission device similar to the lifter chamber (30). More specifically, as shown in FIGS. 2, 3 and 4, a servo motor (41) and a speed reducer (4) are mounted on a main body frame (70).
2) A lifter driving device including a coupling (43) and a sprocket wheel (44) is provided, and a balance weight (46) is attached to one end of a chain (45) wound around the sprocket wheel (44). By joining and fixing a lifter body (47) to the other end of the chain (45), a mechanism for vertically moving the tray (1) and the pallet (2) is constituted. 2, 3 and 6, the lifter body (47) can move the tray (1) and the pallet (2) by arranging a number of rollers (48) substantially horizontally while maintaining a predetermined interval. A loading surface is formed. The axial direction of the roller (48) coincides with the axial direction of the roller (38) of the lifter chamber (30) and the roller conveyor (81) of the unloading chamber (80), and the lifter body (47). At a suitable position, a drive motor (not shown) for the roller (48) is provided.

[0013] Behind the descending lifter chamber (40), as shown in FIGS. 3 and 5, articles, for example, are placed in a tray (1).
A multi-axis robot (49) and a transfer station (49A) for packing the CRT panel (10) shown in FIG. 1 in boxes in an aligned state are provided.

At the tip of the arm of the multi-axis robot (49), a vacuum cup (49B) for holding the panel (10) by suction is mounted.

The ascending lifter chamber (30) and the descending lifter chamber (4)
2), a horizontally movable traverser (55) and air as transfer means for empty trays (1) and pallets (2) as shown in FIGS. Cylinder device (53) (54) and chuck pawl (51)
(52), a horizontally movable tray and pallet transfer device (50) are provided. As shown in FIG. 6, the horizontally movable traverser (55) is provided with a slide guide (57A) via guide rails (56A) and (56B) fixed to a fixed type main body frame (70) in a vertically and diagonally opposed arrangement. ) (57B) is slidably supported, and the fixed body frame (70) is provided with a servomotor (59A) and a speed reducer (59).
B), and the pinion (60) fixed to the output shaft of the speed reducer (59B) is engaged with a rack (61) attached to the upper front end of the movable frame (58) to thereby provide power for horizontal movement. It constitutes a transmission means. When the traverser (55) starts, the chuck pawl (5)
The tray (1) clamped by (1) and the pallet (2) clamped by the chuck claws (52) move horizontally from the ascending lifter chamber (30) to the descending lifter chamber (40). The traverser (55) includes a first chuck claw (51) for holding the tray (1), a first air cylinder device (53) for opening and closing the first chuck claw (51), and a pallet (2) in the movable frame (58). A) A horizontally movable chucking mechanism is formed by incorporating a second chuck pawl (52) for gripping and a second air cylinder device (54) for opening and closing the chuck.

Air cylinder devices (64A) and (64B) are supported at the front and rear corners of the movable frame (58) so as to face each other diagonally as shown in FIG. 7A.
And a tray (1) comprising a hook (68) joined openably and closably by the air cylinder devices (64A) (64B), and a positioning device (69) for the pallet (2). .

The delivery room (80) is shown in FIGS. 2, 3 and 4.
As shown in FIG. 5, after the trays (1) stacked in multiple stages on the pallet (2), for example, six trays (1) are packed in a panel (10), the lower lifter chamber (4) is kept in a stacked state.
0) a roller conveyor (81) comprising a number of rollers arranged in a state in which an axis is orthogonal to a moving direction F of a tray (1) packed in a panel (10), It comprises a drive motor (82) for the roller conveyor (81). The tray (1) for which the panel (10) has been packed in a box is stacked on the pallet (2) by a predetermined number of stages and the drive motor (82)
Using the rotation of the roller conveyor (81) caused by the start of the movement, the roller moves horizontally as indicated by an arrow F in FIGS. 2 and 4 and is discharged from the descending lifter chamber (40). As shown by an arrow G, a direction perpendicular to the discharge direction F from the descending lifter chamber (40), that is, the roller conveyor (81).
Drawn out along the axial direction G.

Hereinafter, the operation of the apparatus of the present invention will be described based on a specific example in which six trays (1) are stacked on a pallet (2) and six panels (10) are packed in each tray (1). The order will be described.

A Empty tray (1) on pallet (2)
Is prepared and pushed into the storage room (20) as shown by arrow A. At this time, the lifter body (37) of the lifter chamber (30) is
The alignment surface of 8) is placed on the roller conveyor (2) of the storage room (20).
It stops at the lowest position flush with the alignment surface of 1).

B The drive motor (22) and the drive motor of the roller (38) are driven to drive the roller conveyor (2).
1) and the roller (38) is rotated, whereby
The pallet (2) and the first tray (1) are carried into the ascending lifter room (30) from the storage room (20). When the pallet (2) and the tray (1) are fed onto the lifter body (37), the drive motor (22) of the roller conveyor (21) and the drive motor of the roller (38) are stopped. In this state, the stopper and operate the positioning device is composed of an air cylinder device and a pusher, you positioned on the lifter body (37) pallet (2) and tray (1).

(C) The servo motor (31) in the lifter chamber (30) is activated, and the pallet (2) and the first tray (1) are held in a stacked state, and the lifter body (37)
And rise to the top only for the first time.

(D) Normally, the lifting movement of the lifter body (37) ends when the tray (1) blocks the light emitting / receiving path of the photoelectric tube device (not shown) installed at the uppermost position.
Therefore, the first time pallet (2) and one tray (1)
Rises to the top.

E A horizontally movable traverser (55) is on standby above the lifter chamber (30), and FIG.
And C, the chucking mechanism (50
A) The first tray (1) and the pallet (2) are gripped by the second chuck claws (52) of (A), and these are transferred from the lifter body (37) to the traverser (55) in a stacked state. .

F When the traverser (55) starts horizontal movement, the first tray (1) and pallet (2)
Interferes with the lifter body (37) or the second tray (1) described later, hindering the horizontal movement of the traverser (55). In order to solve this problem, the lifter body (37), which has completed the delivery of the first tray (1) and the pallet (2), temporarily descends a little. However, only for the first time, it descends to the bottom of the lifter chamber (30), then carries in a pallet (2) loaded with six trays (1) and waits.
In this state, the horizontal movement servomotor (59A) is started, and the first empty tray (1) and the pallet (2) held by the traverser (55) are moved from the ascending lifter chamber (30) to the descending lifter chamber (59). Move horizontally toward 40). At this time, the lifter body (47) of the descending lifter chamber (40) is stopped at the uppermost position slightly below.

G When the first tray (1) and the pallet (2) reach the lower lifter chamber (40), the lifter body (47) slightly rises to the uppermost position, and is placed on the lower surface of the pallet (2). Abut In this state, the second chuck pawl (52) is opened, and the first tray (1) and the pallet (2) are lifted and the lifter body (47) is stopped at the raised position.
Transferred to the top. Thereafter, the traverser (55) returns to the lifter chamber (30).

H The multi-axis robot (49) packs the panels (10) on the transfer station (49A) into the tray (1) on the descending lifter chamber (40) one after another. To the transfer station (49A), panels (10) that have been gradually cooled in a slow cooling furnace and that have been inspected are sequentially transported and supplied. The multi-axis robot (49) vacuum-adsorbs the panel (10) with the vacuum cup (49B) attached to the tip of the arm, and utilizes the rotation of the arm to control the panel (1).
0) is transported to a predetermined position on the tray (1), and then the vacuum suction state is released.
Pack 0). By repeating the operation of the multi-axis robot (49), the panel (1) is placed in the first tray (1).
0) are packed one by one.

After the pallet (2) loaded with the six trays (1) is loaded into the storage room (20), the rotation of the roller conveyor (21) and the rollers (38) of the lifter chamber (30) is performed. Is carried into the lifter body (37) stopped at the lowest position.

J After the loaded stack of trays (1) is positioned on the lifter body (37), the above-mentioned six trays (1) and pallets (2) are moved by the activation of the servomotor (31). Traverser (55) in a stacked state
To the transfer position of the tray (1).

K Traverser (55) in the same manner as described above
The second tray (1) is transferred from the ascending lifter chamber (30) to the descending lifter chamber (40) using the sequential activation of the lifter main body (47), and a panel is placed on the second tray (1). (10) is packed one by one. However, the lowering amount of the lifter body (37) after the completion of the delivery of the second tray (1) is set by an external command. The second and subsequent trays (1) are held by the first chuck claws (51) of the chucking mechanism (50A) while being positioned in the lifter chamber (30), and are lifted by the lifter chamber (3).
0) is transferred into the lower lifter chamber (40). For this reason, the second chuck claws (52) prepared for gripping the pallet (2) are kept in a non-operation state until the transfer of the next five sheets is completed except for the first one. Is done.

L In the descending lifter chamber (40), the first 1
(1) and the next 5 trays (1) in the tray (1)
After completion of the packing of 0), the six stacked panel packing trays (1) and the pallets (2) are discharged from the descending lifter chamber (40) into the unloading chamber (80).

At this time, the lifter chamber (30)
One tray (1) remains on the pallet (2), and this one tray (1) and the pallet (2) are moved by the traverser (55) by the descending lifter chamber (4) as in the first time.
0) and the above operation is repeated.

N By repeating the above-mentioned boxing operation in units of a stack of six trays (1), 36 panels (10) supplied from the lehr are placed on one of the six trays (1). Automatically packed each time.

In the above embodiment, the CRT panel (1
Although the case where the present invention is applied to the automatic boxing device 0) has been described, the device of the present invention can also be used as an automatic boxing device for other components such as funnels and other various articles.

[0034]

According to the present invention, even for a heavy article such as a panel of a large cathode ray tube, the packing operation of the box can be automated, and the labor of the packing process can be easily reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view illustrating a stacked state of a tray and a pallet.

FIG. 2 is a schematic perspective view showing the entire structure of the device of the present invention.

FIG. 3 is a plan view illustrating the overall structure of the device of the present invention.

FIG. 4 is a front view illustrating the overall structure of the device of the present invention.

FIG. 5 is a side view of a lifter chamber.

FIG. 6 is a side view of a lower lifter chamber and a tray transfer device.

7A is a plan view of a positioning device mounted on the traverser, FIG. 7B is a side view of a pallet and tray chucking mechanism of the traverser, and FIG. 7C is a side view of a traverser tray only chucking mechanism.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Tray 2 Pallet 20 Receiving room 30 Ascending lifter room 40 Descending lifter room 50 Tray and pallet transfer device 80 Outgoing room

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Toshihiro Murata 2-7-1 Hararashi, Otsu-shi, Shiga Japan Electric Glass Co., Ltd. (56) References JP-A-63-55005 (JP, A) Sho Akai 60-43501 (JP, U) JP-A-3-120403 (JP, U) (58) Fields investigated (Int. Cl. ⁶ , DB name) B65B 5/00-5/12 B65B 43/56

Claims (1)

(57) [Claims] A plurality of hard trays stacked on a pallet;
Within a certain numberFor CRTAutomatically arranges articles
A device for packing boxes, wherein a pallet in which a plurality of trays are stacked is lifted adjacent to a pallet.
Conveyor to send out into the lid roomEquipmentStorage room and pallets supplied from the storage roomAccept the conveyor
On a pallet received, 1 tray
Riff that sequentially transmits a rising stroke equivalent to the height of a minute
Data deviceEquipmentAnd installed adjacent to the ascending lifter room,Support the pallet
Independently equipped with a conveyor for sending out to the warehouse,Tre
-Transmit descending stroke corresponding to the height of one sheet sequentially
Lifter deviceEquipmentInstalled in the upper part between the ascending lifter chamber and the ascending lifter chamber.
The empty tray and pallet chucking mechanism.Equipment
e, Transport both at the same timeFrom a horizontally moving traverser
A tray and a pallet transfer device, and a predetermined number of trays in each tray supplied to the descending lifter chamber.
Number ofFor CRTMulti-axis for packing articles in a box
Robot and a plurality of boxes packed in the descending lifter chamberFor CRTStuff
The stack of product box trays is sent to the subsequent process together with the pallet
ConveyorEquipmentAnd the exit room
Characterized byFor CRTAutomatic packaging of goods
Place.