JPH0767927B2 - Multi-row automatic packaging machine - Google Patents

Description

TECHNICAL FIELD The present invention relates to an automatic packaging apparatus, and more particularly to a multi-row packaging apparatus for continuously packaging articles to be packaged supplied in a plurality of rows.

BACKGROUND ART Bag products such as polyethylene bags are continuously manufactured by sealing a tubular polyethylene film continuously supplied from a roll with a seal bar and cutting with a cutter. The manufactured bag product is packaged with a predetermined packaging film in a predetermined number by the packaging device.

In order to rationalize the manufacturing process, such bag products are required to be manufactured in parallel for each film supplied from a plurality of rolls.

However, when the bag products are manufactured in a plurality of rows in this way, there is a problem in that the manufacturing equipment is complicated and large in size because a bag manufacturing apparatus for manufacturing the bag products is required.

An object of the present invention is to solve the above problems of the prior art and to provide a multi-row automatic packaging device for continuously packaging products supplied in a plurality of rows.

DISCLOSURE OF THE INVENTION According to the present invention, a multi-row automatic packaging device includes a plurality of bag-making mechanisms for manufacturing a bag-shaped body from a tubular film, and a plurality of rows of bag-shaped bodies manufactured by the bag-making mechanism, respectively. Has a transport mechanism for transporting every predetermined number of rows, and a packaging mechanism for packaging the bag-shaped body transported by the transport mechanism, and the transport mechanism is a plurality of rows of bags manufactured by a plurality of bag-making mechanisms. For each shaped body, separate each into a predetermined number of bag-shaped bodies,
A separator forming a laminated bag-like body, a carry-in chuck that holds and pulls out a predetermined number of the laminated bag-like bodies separated by the separator, and a predetermined number of bag-like bodies pulled out by the carry-in chuck. The carry-in chuck, which has a carrying table for carrying, is manufactured in a plurality of rows by a plurality of bag making mechanisms, and a predetermined number of stacked bag-like bodies separated by the separator are alternately made from the plurality of bag making mechanisms. It is to be extracted and transported to a carrier.

Description of Embodiments Embodiments of the multi-row automatic packaging device according to the present invention will be described in detail with reference to the accompanying drawings.

1 to 3 show an embodiment of a multi-row automatic packaging device according to the present invention. 1 is a front view of the apparatus, 2
The drawing is a side view as seen from the direction of arrow II in FIG. 1, and FIG. 3 is a perspective view.

The present apparatus comprises, for example, three rows of bag making mechanisms 10, a carrying mechanism 100 for carrying a predetermined number of bag-made bags, and a packaging mechanism 200 for packing the carried bags.

In this embodiment, the bag making mechanism 10 is for making films 14a, 14b, 14c supplied from three rolls 12a, 12b, 12c, as shown in FIGS. 2 and 3. The film 14 supplied from the roll 12 is a plastic film formed into a tube shape, that is, a cylindrical shape, such as a polyethylene film. A seal bar 16 is provided above the supplied film 14, and the seal bar 16 moves downward to seal the tubular film 14 at a predetermined position.

Rolls 18a, 18b for transporting the film are provided above and below the supplied film 14. The rolls 18a and 18b are driven by a feed motor (not shown) to move the film 14 in the arrow A direction. In front of the rolls 18a, 18b, cutter blades 20a, 20b are provided above and below the film 14, and the film 14 sealed by the engagement of these blades 20a, 20b.
Is cut at a predetermined position to form a bag.

A saucer 22 is provided at the end of the bag making mechanism 10. Saucer 22
Is a table on which a bag 24 cut by the cutter 20 and manufactured is temporarily placed. A stopper 102 is provided below the end of the tray 22. The stopper 102 is moved up and down by the cylinder 104, and when it is moved upward, it projects to the end of the tray 22 and prevents the bag 24 discharged to the tray 22 from jumping out to the transport mechanism 100. When the stopper 102 is located below as shown in the drawing, it does not hinder the movement of the bag 24 by the loading chuck 106, which will be described later.

A separator 108 is provided above the end of the tray 22. The separator 108 moves in the arrow B direction and the opposite direction. When the number of bags 24 sent onto the tray 22 reaches a predetermined number, for example, 100, the separator 108 moves in the direction opposite to the arrow B direction and places the separating member 108a on the upper surface of the end of the bag 24. As a result, the bag 24 supplied on the saucer 22
Are separated by a predetermined number.

A transport table 110 is provided at a position where it is discharged from the tray 22, and a carry-in chuck 106 for pulling out the bags 24 for every 100 sheets from the tray 22 to the transport table 110 is provided above the transport table 110. . The carry-in chuck 106 holds the bag 24 on the tray 22 and draws it out onto the carrier 110, and is driven by the draw-out cylinder 112 and moved in the arrow C direction and the opposite direction in FIGS. 2 and 3. .

As shown in FIG. 3, the carrier table 110 is a flat member and is provided with a notch 110a for holding the bag 24 by a discharge chuck 240 described later. Belt 1 for carrier 110
It is fixed to 14, and the belt 114 is wound around the servo motor 116. The carriage 110 is moved by the control of the servo motor 116 in the D direction and the opposite direction of FIGS. 1 and 3. As a result, the transfer table 110 sequentially transfers the bags supplied from the three rows of bag making mechanisms 10 to the packaging mechanism 200.

The packaging mechanism 200 is provided with a supply roll 204 and a winding roll 206 to which the outer packaging film 202 used for packaging the bag 24 is supplied. The outer wrapping film 202 is
A plastic film similar to the bag 24 may be used. The outer wrapping film 202 supplied from the supply roll 204 is wound around a predetermined number of rolls 208 to 226, and the winding roll 206
To be wound up.

On the way from the supply roll 204 to the take-up roll 206, the date marker 230, the perforation press machine 232 and the sensor.
234 is provided. The date marker 230 is a marker that marks the date on a predetermined position of the outer wrapping film 202.
The perforation press machine 232 punches perforations for convenience when the user opens the outer wrapping film 202 that wraps the bag 24. The sensor 234 reads the date marked by the date marker 230 or other mark previously attached to the outer wrapping film 202, and the outer wrapping film 20
The sensor 234 detects the position of 2. The winding by the winding roll 206 is controlled according to the signal from the sensor 234, and the outer wrapping film 202 is configured such that the outer wrapping film 202 wraps the bag 24 with a mark such as a date at a predetermined position.
The stop position of is adjusted. The outer packaging film 202 is the first
As shown in the figure, it is supported so as to be substantially vertical to the bag 24 conveyed by the carrier 110.

Side cut seal bar 2 behind the outer wrapping film 202
36 and a discharge conveyor 238 are provided. The side cut seal bar 236 has a heater for seal cut, and as described later in detail, the bag 24 transported by the transport base 110 is pulled out together with the outer packaging film 202 by the discharge chuck 240, and this is placed at a predetermined position. It is to seal and cut. The discharge conveyor 238 is driven by the feed motor 242, and the bag 2 wrapped by the outer wrapping film 202 is used.
Discharge 4 in the direction of arrow E.

A discharge chuck 240 is provided above the discharge conveyor 238. The ejection chuck 240 is supported by the ejection rail 244, is driven by a driving mechanism (not shown), and moves in the arrow E direction and the opposite direction. The discharge chuck 240 holds the conveyed bag 24 together with the outer packaging film 202 and pulls it out in the direction of arrow E.

An upper and lower seal bar 246 is further provided on the discharge conveyor 238.
Is provided. The upper and lower seal bars 246 wrap the bag 24 and seal the both ends of the outer wrapping film 202 whose side ends are sealed by the side cut seal bars 236 and which are parallel to the arrow E direction.

Next, the operation of this device will be described.

As shown in FIG. 3, the tubular film 14 supplied from the three rolls 12 a, 12 b, 12 c is bag-made by the bag-making mechanism 10. That is, the arrow A in FIGS. 2 and 3
The films 14a, 14b, 14c sent in the direction are fed accurately by a constant-size feed motor (not shown) while the seal bar
Sealed by vertical movement of 16. The sealed films 14a, 14b, 14c are cut by the biting of the upper and lower blades of the cutters 20a, 20b and stacked on the tray 22. At this time, since the stopper 102 is set up by the cylinder 104, that is, set at a position higher than the position shown in FIG. 2, the bag 24 cut by the cutter 20 and sent to the tray 22 is moved by the stopper 102. Can be stopped.

Bag 24 of the first row of film 14a sent onto the pan 22
When the number of sheets reaches a predetermined number, for example, 100 sheets, the separator 108
Moves in the direction opposite to the direction of arrow B, and separate member 10
8a is placed on top of bag 24 as shown. As a result, the bags 24 sent thereafter are placed on the separate member 108a, so that the first 100 sheets are separated and placed on top of each other. At this time, the stopper 102 is lowered by the cylinder 104,
That is, while being moved to the position shown in FIG. 2, the carry-in chuck 106 moves from the left position in FIG. 2 in the direction opposite to the arrow C direction to the right position in FIG. The 100 bags placed under the member 108a are sandwiched as shown in FIG.

The carry-in chuck 106 sandwiching the bag 24 moves in the direction of arrow C in FIG. 2 to move the bag 24 to a position on the carrier 110, and then the bag 2
Release 4. As a result, the bag 24 is placed on the carrier 110.

When 100 bags 24 from the first row are placed on the carrier 110,
The carriage 110 is moved by the servo motor 116 as shown in FIGS.
The bag 24, which is moved in the direction D in the figure and placed on the carrier 110, is moved to the vicinity of the outer wrapping film 202 and the side cut seal bar 236. The outer wrapping film 202 is supplied from the roll 204, the date is marked by the date marker 230, and the perforation is provided by the perforation press machine 232, and then, by the roll 226 and the winding roll 206, as shown in FIG. It is held almost vertically with the bag 24 being conveyed.

When the bag 24 placed on the carrier 110 is further pressed and moved in the direction D by the movement of the carrier 110, the state shown in FIG. 4A to the state shown in FIG. 4B in the steps of FIGS. 4A to 4E is changed. The bag 24 is in a state of pressing the outer packaging film 202 leftward in the figure. afterwards,
As the discharge chuck 240 travels on the discharge rail 244, the discharge chuck 240 moves from the left position in FIG. 1 in the direction opposite to the arrow E direction, and sandwiches the bag 24 together with the outer wrapping film 202 as shown in FIG. 4C. The discharge chuck 240 sandwiching the bag 24 moves in the direction of arrow E as shown in FIG. 4D. As shown in the figure, the bag 24 surrounded by the outer wrapping film 202 is the side cut seal bar 2
When it comes to the left side of 36, the discharge chuck 240 stops moving. The blade of the side cut seal bar 236 engages, seals the outer wrapping film 202, and cuts the sealed portion. As a result, the outer wrapping film 202 sandwiching the bag 24 is formed into a tubular shape, and the remaining portion of the outer wrapping film 202 is fused by the seal, and the winding roll 206
And supported by roll 226.

The outer wrapping film 202 that wraps the bag 24 sealed by the blade of the side cut seal bar 236 is further moved in the arrow E direction by the discharge chuck 240 or the discharge conveyor 238, and stops below the upper and lower seal bars 246. The upper and lower seal bars 246 move downward to the positions shown in FIGS. 3 and 4E, and seal the both ends of the outer wrapping film 202 enclosing the bag 24. As a result, the three sides of the outer packaging film 202 are sealed, and the packaging of the bag 24 with the outer packaging film 202 is completed. Bag 24 wrapped by outer wrapping film 202
Is discharged in the direction of arrow E by the discharge conveyor 238.

Then, the servomotor 116 moves the carrier 110 to a position for receiving the 100 bags 24 of the film 14b in the second row. The 100 bags 24 made of the film 14b in the second row are sandwiched by the carry-in chuck 106, moved in the direction of arrow C, and conveyed by the carrier 110.
It is separated from the carry-in chuck 106 and placed on the carrier 110. After that, as in the case of the bag 24 from the film 14a in the first row, the bag 24 is moved in the D direction by the movement of the carrier 110, the bag 24 is sandwiched by the discharge chuck 240 together with the outer packaging film 202, and the arrow E And the side cut seal bar 236 seals and cuts.

Further, both ends of the outer wrapping film 202 are sealed by the upper and lower sealing bars 246, and the outer wrapping film 202 is discharged in the arrow E direction by the discharging conveyor 238.

The bag 24 from the third row of films 14c is then similarly wrapped with the outer wrapping film 202 and discharged. After that, the bag 24 from the film 14a in the first row is again packaged by the outer packaging film 202 and discharged.

Thus, according to this device, the three rows of films 14a, 14b,
The bags 24 supplied from 14c are alternately placed on the carrier 110 and wrapped with the outer wrapping film 202.

Therefore, since the bags supplied from the three rows of bag making mechanisms 10 are continuously wrapped by one packaging mechanism 200, it is not necessary to provide the packaging mechanisms 200 for each of the three rows of bag making mechanisms 10. In addition, the bags 2 from the three-row bag making mechanism 10 to the packaging mechanism 200
Since the supply of 4 can be performed continuously without stopping, bag making and packaging work can be performed smoothly.

Although the three rows of bag making mechanisms 10 are provided in the above embodiment, the packaging apparatus of the present invention is not limited to the three rows of bag making mechanisms, and any number of bag making mechanisms can be provided.

In the bag making mechanism 10, a predetermined number of bags 24 that have been made are separated using the separator 108, and are conveyed to the carrier 110 by the carry-in chuck 106. Therefore, the bags 24 are continuously supplied from the bag making mechanism 10. It can be supplied, and bag making work will not be delayed.

Further, since the transfer table 110 is accurately controlled by the servo motor 116 and the position of the moved bag 24 is accurately detected by the position sensor, the bag 24 placed on the transfer table 110 is side-cut. It can be moved to the correct position for sealing and cutting by the seal bar 236 and sealing by the upper and lower seal bars 246.

Further, by operating the switch, the number of rows in which the bag making mechanism 10 operates can be set to a desired number, so that as many bag making mechanisms as necessary can be used, and the speed of bag making and packaging can be adjusted. it can.

Effect According to the present invention, the packaging device, the bag-shaped body manufactured in a plurality of rows by the bag-making mechanism, the extraction unit in a predetermined number for each row, alternately extracted from each row by the transport mechanism. It is transported and packed by the packing mechanism. Therefore,
Since the bag-shaped bodies supplied in a plurality of rows can be continuously and efficiently packaged by one packaging mechanism, it is not necessary to provide a plurality of packaging mechanisms, and the device can be configured to be simple and efficient. it can.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram showing an embodiment of a multi-row automatic packaging device according to the present invention, FIG. 2 is a schematic configuration diagram from the side of the device of FIG. 1, and FIG. 3 is an example of the device of FIG. 4A to 4E are perspective views with parts omitted, showing the packaging process of the apparatus shown in FIG. Explanation of main part code 10 …… Bag-making mechanism 14 …… Film 16 …… Seal bar 20 …… Cutter 24 …… Bag 100 …… Transport mechanism 102 …… Stopper 106 …… Loading chuck 108 …… Separator 110 …… Transport table 114 …… Belt 116 …… Servo motor 200 …… Packaging mechanism 202 …… Outer packaging film 236 …… Side cut seal bar 240 …… Discharge chuck 246 …… Upper and lower seal bars

Claims (1)

[Claims] 1. A plurality of bag-manufacturing mechanisms for manufacturing a bag-shaped body from a tubular film, and a plurality of rows of bag-shaped bodies manufactured by the bag-manufacturing mechanism are conveyed in a predetermined number in each row. A transport mechanism and a packaging mechanism for packaging the bag-shaped body transported by the transport mechanism, wherein the transport mechanism has a predetermined number for each of the plurality of rows of bag-shaped bodies manufactured by the plurality of bag-making mechanisms. A separator that separates each number of bag-like bodies to form a laminated bag-like body, a carry-in chuck that holds and pulls out a predetermined number of the laminated bag-like bodies separated by the separator, and the carry-in chuck And a carrying table for carrying a predetermined number of bag-shaped bodies pulled out by, the carry-in chuck is manufactured in a plurality of rows by the plurality of bag-making mechanisms, and for each predetermined number separated by the separator. Laminated bag shape A multi-row automatic packaging device, wherein a body is alternately extracted from the plurality of bag making mechanisms and conveyed onto the conveyor table.