JPH08258970A - CD single tray arrangement change and transfer device - Google Patents

Abstract

(57) [Summary] [Purpose] Automated removal of the CD single tray molded by the molding machine, change of tray posture, change of interval, transfer to the conveyor, and easy automation of subsequent tray packaging. The purpose is to [Structure] A feeding device 2 having a suction plate 10 for taking out and feeding a tray T molded by a mold molding machine 1, and a turntable 15.
And a tray arrangement changing device 3 that is provided with suction plates 19 on the upper surface of a movable rotary table 18 whose distance can be changed with respect to the rotary table 15 and is movable from an origin position for receiving the tray T supply to a transfer position. The CD single tray arrangement change and transfer device is configured by the transfer device 4 that transfers the tray T from the suction plate 19 of the tray arrangement change device 3 that has moved to the transfer position to the transport conveyor 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention, after taking out a plurality of CD (compact disc) single trays (hereinafter referred to as trays) formed by a molding machine from the molding machine, widens the intervals between the taken out trays. After that, the present invention relates to a device for changing the arrangement of the CD single trays which are rearranged in the same posture and supplied to the transfer conveyor.

[0002]

2. Description of the Related Art A plurality of trays, each of which is molded by a molding machine at a time, are packed by hand in a cardboard box in the same direction. Such boxing work is
Since it is an inefficient and simple work requiring a large degree of physical fatigue, automatic box packaging by a machine has been desired, but automation was difficult for the following reasons.

[0003]

A mold for injection-molding a plurality of trays at a time by a mold molding machine has a mold (female mold) for each tray on both sides of a runner (resin passage) provided at the center. ) Are arranged in a symmetrical posture, so that the trays must be aligned in the same direction when the trays are taken out from the mold.

Further, when the trays of which the postures are aligned are placed on the transporting conveyor to the packaging device and sent to the packaging device, if the intervals between the trays are not arranged at a predetermined interval, it is necessary to rearrange them. Therefore, there is a problem that automation becomes complicated. The present invention is intended to solve such a problem, and the molded trays are rearranged at predetermined intervals, and the trays are aligned and mounted on a transfer conveyor.
The present invention provides a device for changing the arrangement of a D single tray and a transfer device.

[0005]

In order to achieve the above object, a CD single tray arrangement changing / transferring device of the present invention comprises a rotating arm which is horizontally rotatable around a column, and a rotating arm of the rotating arm. A shaft inserted into the tip so as to be rotatable and axially movable, a hand part attached to the end of the shaft, a plurality of CD single trays attached to the hand part and molded at one time by a molding machine (hereinafter (Referred to as trays), a plurality of suction plates for adsorbing each of them, a supply device having a pipe line communicating from the suction plates to a negative pressure source via an electromagnetic valve, a rotatable turntable, and a turntable for the turntable. And a movable rotary base that is rotatably provided on the movable space adjustment base,
A tray array changing device that includes the moving rotary table and a tray mounting board that is provided on the rotary table, and that changes the spacing and array attitude of the trays transferred from the supply device; It is configured by a transfer device that transfers the tray on the mounting board to the conveyor.

The moving distance of the moving rotary table is the distance that the rotary table and the trays mounted on the table on the moving rotary table can move to an interval where they can rotate without interfering with each other.
At the unloading end of the transfer conveyor, a high-speed conveyor having a transfer surface higher than the transfer surface of the transfer conveyor, a lifting platform that raises the tray on the transfer conveyor, and a tray on the lifting platform are loaded into the high-speed conveyor. A transfer pusher can be provided.

[0007]

The operation of the arrangement change and transfer device of the CD single tray constructed as described above will be explained. When the molding machine molds, the mold is opened, and the suction plate of the molding machine is synchronized with this. Picks up the tray in the mold and transfers it to the mounting board of the tray arrangement changing device. Since the transferred tray is in the same arrangement as the mold, the intervals and arrangement postures are not uniform, and it is necessary to align them, so first, move the movable rotary table to widen the interval with the rotary table, When the trays are rotated, the trays are prevented from hitting each other, and then the rotary table and the movable rotary table are rotated by a predetermined angle to align the postures of the trays.

Next, the trays on the rotary table and the movable rotary table are sucked onto the suction plate of the transfer device, the suction plate lifted by the elevating member is stopped on the conveyor, and the suction plate is conveyed by the elevating member. Then, the tray is transferred to the transport conveyor by closing the suction plate to a negative pressure to close the transport surface. The tray transferred to the conveyor is lifted by the lifting platform and transferred to the high speed conveyor by the transfer pusher. The tray on the high-speed conveyor is automatically packed in the box by a boxing device provided downstream.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A CD single tray arrangement changing and transferring apparatus of the present invention will be described with reference to the drawings. FIG. 1 is a schematic plan view showing the arrangement change of two sets of CD single trays arranged in parallel at a distance, and the overall arrangement of a transfer device A and a packaging device B. Two sets of the loading devices A are provided in order to achieve a line balance between the two because the packaging device B has a large packaging capacity.

The CD single tray arrangement changing / transfer device A supplies the tray T (see FIG. 2) to the packing device B. The mold forming machine 1, the supplying device 2, the tray arrangement changing device 3, and the transferring device 3 are moved. It is composed of a loading device 4 and a conveyer 5 (see FIG. 1). The mold forming machine 1 has two tray forming dies arranged in opposite directions on both sides of a main runner provided in the substantially center of the die, and each tray forming die is connected to the main runner via a sub runner. are doing. Therefore, in the molding machine 1, four trays T are molded at one time and are connected by the plastic waste material filled in the main runner and the sub runner.

The supply device 2 is a device for receiving the tray T from the molding machine 1 and delivering it to the tray arrangement changing device 3, and a rotating arm 7 which is rotatable about the support column 6 in the range of 90 degrees in the horizontal direction. A shaft 8 rotatably and axially movably inserted into the tip of the rotating arm 7, a hand portion 9 attached to the tip of the shaft 8 and suction plates 10 of the same number as the trays T fixed to the hand portion 9. And (see FIG. 3). Then, each time the mold is opened, the shaft 8 extends, the suction plate 10 approaches the mold, and the mold tray is sucked and taken out.

A pipe line (not shown) communicating with a negative pressure source is connected to the suction plate 10 via an electromagnetic valve (not shown). The hand portion 9 is provided with a blade (not shown) for cutting the tray T formed by the molding die and the plastic waste material formed in the sub runner.

The tray arrangement changing device 3 has a sliding surface 12 fixed to the upper surface of the pedestal 11, a movable table 13 movable on the sliding surface 12 in the left-right direction in FIG. 3, and an upper surface of the movable table 13. The rotating table 15 fixed to one end (right end in FIG. 3) of the fixed plate 14 fixed and the movement guide member 1 fixed to the other end (left end in FIG. 3) of the upper surface of the fixed plate 14.
An interval adjustment base 17 that is slidable in the left-right direction along the distance 6 and a movable rotary base 18 fixed on the interval adjustment base 17 are provided.

The rotary table 15 and the movable rotary table 18 have the same structure, and a mounting table 19 for mounting two trays on the upper surface of the upper half part rotatable by an air-driven rotary actuator (not shown). Is provided. Mounting board 19
Is provided with a protrusion 19a for positioning the tray T.

When the tray is mounted on the mounting table 19 of the rotary table 15 and the movable rotary table 18 by the supply device 2, the movable rotary table 18 moves in the direction away from the rotary table 15 and the trays do not collide with each other. It is adjusted so that it can rotate.
Next, the rotary base 15 and the movable rotary base 18 rotate in the directions in which the trays are aligned.

The transfer device 4 has two support columns 20 standing on the pedestal 11, a support plate 21 provided at the upper end of the support column 20, and a support plate 21 fixed to the support plate 21. A guide rail 22 that is long in a direction that intersects the moving base 13 of the arrangement changing device 3 at a right angle, a moving member 23 that runs along the guide rail 22, and a support rod 24 that projects downward from the moving member 23. An elevating member 24 'equipped with an air cylinder to be attached, a support arm 25 fixed to the lower end of the elevating member 24' and parallel to the moving base 13, and four sets of equidistantly arranged on the lower surface of the support arm 25. A suction plate 26 is provided (see FIG. 3).

The conveyor 5 is a belt conveyor that conveys the tray T from below the end of the guide rail 22 toward the high speed conveyor 27 of the boxing device B. The carry-in side of the high-speed conveyor 27 is installed near the carry-out end of the carrying conveyor 5,
The belt conveyor has a traveling speed higher than that of the transport conveyor 5. The transport surface of the high speed conveyor 27 is slightly higher than the transport surface of the transport conveyor 5.

At the unloading end of the transfer conveyor 5, a lift table 28 that rises from below the transfer conveyor 5 to the transfer surface of the high speed conveyor 27, and a tray T lifted on the lift 28 are pushed into the high speed conveyor 27. Pusher 2
9 is provided (see FIG. 5). The outline of the boxing device B will be briefly described with reference to FIG. 1 including its operation. An elevating table 30 is provided near the unloading end of the high speed conveyor 27, and the tray T on the high speed conveyor 27 is transferred to the elevating table 30. Each time, the elevating table 30 carries out the operation of descending by the height of one tray T a plurality of times (50 times in this embodiment), and the tray deposit T ′ stacked in 50 stages is completed.

The tray deposit T'is the first array pusher 31.
The two sets of tray deposits T ′ that have been extruded by are further extruded to the second array pusher 32. Second
Multiple (2) by pushing the array pusher 32 five times,
A plurality of stages (50 stages) and a plurality of rows (5 rows) of three-dimensional tray aggregates T ″ are formed, and are then inserted into the box C in which the side walls 34 have been laid down by the boxing pusher 33. The upright box C is covered with a lid D (see FIG. 2) so that the tray T is completely packed.

Next, the operation of the arrangement changing / transfer device A of the present invention will be described with reference to FIGS. When the four trays T are molded by the mold molding machine 1, the mold is opened and the suction part 10 is rotated while the hand part 9 is rotated so as to be parallel to the surface (upright plane) of the mold. The rotary arm 7 is rotated, the shaft 8 is extended, and each suction plate 10 is brought into contact with the tray T in the mold, and a negative pressure is supplied to the suction plate 10 to suck each tray T, and at the same time, to the tray T. The connected plastic waste material is cut by the blade of the hand unit 9. On the other hand, the movable base 13 is on standby at the origin position shown in FIG. 3, and the movable rotary base 18 is close to the rotary base 15.

Next, the hand portion 9 is rotated to rotate each suction cup 10.
Horizontal, the shaft 8 is moved in the direction of shortening, the rotary arm 7 is rotated, and the suction plate 10 of the hand unit 9 is moved to the moving table 13.
Then, the negative pressure is shut off from the suction plate 21 of the hand unit 9, and each tray T is transferred to the mounting plate 19 of the moving table 13 that supplies the negative pressure.

Of the four trays T, two trays T each
2 in the opposite direction, the movable rotary table 18 is moved in a direction away from the rotary table 15, and the rotary table 15 is moved to the position shown in FIG.
Is rotated 90 degrees in the direction of arrow R, and the movable rotary table 18 is rotated in the opposite direction of arrow R'to align the orientations of the four trays T (FIG. 3 shows the moved positions). Thus, the orientations of the trays T are aligned and the intervals of the trays T are aligned.

Next, the movable table 13 moves to the left side in FIG. 3 and is positioned right below the movable member 23 which stands by at the origin position. The suction plate 26 is lowered by the lifting member 24 ',
The suction board 2 is made close to the mounting board 19 of the moving table 13
Negative pressure is supplied to 6 to suck each tray T, raise the suction plate 26, and return the movable table 13 to the original position. Thus, each tray T is transferred from the moving table 13 to the moving member 23.

Next, the moving member 23 is moved right above the transfer conveyor 5 (see FIG. 4), and the suction plate 26 is lowered by the elevating member 24 'to approach the transfer surface of the transfer conveyor 5 and the suction plate 26 is moved. The negative pressure supplied to the trays is cut off, and each tray T is transferred to the transport conveyor 5. Each tray T on the transport conveyor 5 is transported to the carry-out end, hits the tray lifting table 28, and the trays T come into contact with each other to be accumulated on the transport conveyor 5.

In order to continuously convey the trays T which have been conveyed at equal intervals on the conveyor 5 on the high speed conveyor 27, the following means are carried out. At a predetermined time interval, the tray lifting platform 28 rises to lift the most advanced tray T on the transport conveyor 5 up to the transport surface of the high speed conveyor 27, and the transfer pusher 26 operates so that the most advanced tray T.
Are transferred to the high speed conveyor 27. The tray T transferred onto the high-speed conveyor 27 is transferred onto the lift table 30 standing by at a position slightly lower than the transport surface of the high-speed conveyor 27, and is converted into a tray volume T ′ by the lift table 30. After being collected in a three-dimensional tray aggregate T ″, it is boxed.

[0026]

Since the present invention is constructed as described above, it has the following effects. (1) In the present invention, since the operations of taking out the tray from the molding machine, changing the posture of the tray, correcting the arrangement interval of the tray, and transferring the tray to the transfer conveyor are continuously and automatically performed,
It has a great economic effect.

(2) Further, no manual work is required, and the operator is relieved from the conventional repetitive work that causes a lot of fatigue. (3) In the present invention, the trays are aligned and supplied at predetermined time intervals, which facilitates automation of the boxing device installed downstream.

[Brief description of drawings]

FIG. 1 is an arrangement change of two sets of CD single trays,
It is a schematic plan view which shows the whole arrangement of a transfer device and a packaging device.

FIG. 2 is an explanatory diagram illustrating an operation of a CD single tray arrangement change, a transfer device, and a packaging device.

FIG. 3 is a front view of a tray arrangement changing device and a transfer device.

FIG. 4 is a plan view of FIG. 3;

FIG. 5 is a front view of a transfer conveyor.

[Explanation of symbols]

 A Arrangement change and transfer device B Boxing device T Tray 1 Molding machine 2 Supply device 3 Tray arrangement change device 4 Transfer device 5 Conveyor conveyor 6 Posts 7 Rotating arm 9 Hand part 10 Adsorption board 12 Sliding surface 13 Moving table 15 rotary table 17 spacing adjustment table 18 moving rotary table 19 mounting board 22 guide rail 23 moving member 24 'lifting member 26 suction plate

Continuation of the front page (51) Int.Cl. ⁶ Identification number Reference number within the agency FI Technical display area B65G 47/91 B65G 47/91 B

Claims (3)

[Claims] 1. A rotating arm capable of rotating horizontally around a column, a shaft rotatably and axially movably inserted into a tip of the rotating arm, and a hand portion attached to the tip of the shaft. A plurality of suction discs attached to the hand portion for respectively adsorbing a plurality of CD single trays (hereinafter referred to as trays) molded at one time by a molding machine, and a negative pressure source from the suction discs via a solenoid valve. A supply device having a communicating pipe line, a rotatable rotary table, a movable rotary table rotatably provided on an interval adjusting table movable with respect to the rotary table, the movable rotary table and the rotation A tray mounting plate provided on the table, and a tray array changing device for changing the intervals and array postures of the trays transferred from the supply device, and a tray on the mounting plate of the tray array changing device. Transfer to transfer conveyor Constituted by the transfer device CD single tray arrangement changes, the transfer device. 2. The moving distance of the moving rotary table is a distance that allows the tray mounted on the rotary table and the tray mounted on the mounting table on the movable rotary table to move to an interval in which they can rotate without interfering with each other. An arrangement changing and transferring device for a CD single tray according to claim 1. 3. A high-speed conveyor having a carrying surface higher than a carrying surface of the carrying conveyor, a lifting platform for raising a tray on the carrying conveyor, and a tray on the lifting platform at a carry-out end of the carrying conveyor. 2. The CD single tray arrangement changing / transfer device according to claim 1, further comprising a transfer pusher which is carried into the high speed conveyor.