JPH0457710A - Multiple row automatic packaging device - Google Patents

Abstract

PURPOSE:To make it possible to package continuously by a method wherein the title device has a carrying mechanism which carries a plurality of rows of bags manufactured by a bag making mechanism from a tube shaped film fed under a plurality of rows, by a specified number per each row, and a packaging mechanism which packages the bags, and the carrying mechanism alternately extracts each specified number of bags manufactured in a plurality of rows and carries them to the packaging mechanism. CONSTITUTION:Tube shaped films 14 fed from three rolls 12a, 12b, 12c are made into bags by a bag making mechanism 10. An external packaging film 202 wrapping a bag 24 sealed by the blade of a side cutting sealing bar 236 is moved in the direction shown by arrow E by a discharge chuck 240 or delivery conveyor 238, and stops under top and bottom sealing bars 246. The top and bottom sealing bars 246 move downward, and both ends of the external packaging film 202 wrapping the bag 24 are sealed. By doing this, three edges of the external packaging film 202 are sealed, and packaging of the bag 24 by the external packaging film 202 is completed. The bag 24 wrapped by the external packaging film 202 is delivered in the direction shown by an arrow E by the delivery conveyor 238.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an automatic packaging device, and more particularly to a multi-row packaging device that continuously wraps items to be packaged that are supplied in multiple rows.

11 String 1 For example, 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 it with a cutter. The manufactured bag products are packaged in predetermined packaging films in predetermined numbers by a packaging device.

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

However, when the bag products are manufactured in a plurality of rows as described above, a bag making device is required to make bags for each of these bag products, so there is a problem that the manufacturing equipment becomes complicated and large.

- Negative The object of the present invention is to solve the problems of the prior art and to provide a multi-row automatic packaging device that continuously packages products supplied in a plurality of rows.

According to the present invention, a multi-row automatic packaging device is capable of manufacturing multiple rows of bag-like objects by a bag-making mechanism from tube-like films supplied in a plurality of rows, in a predetermined number for each row. It has a conveyance mechanism that conveys each bag, and a packaging mechanism that wraps the bag-like bodies conveyed by the conveyance mechanism. The material is extracted and transported to the packaging mechanism.

15! 25j Next, embodiments of a 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. Figure 1 is a front view of the device, Figure 2
The figure is a side view seen from the direction of the arrow ■ in FIG. 1, and FIG. 3 is a perspective view.

This apparatus includes, for example, three rows of bag making mechanisms IO, a conveying mechanism 100 that conveys a predetermined number of manufactured bags, and a packaging mechanism ZOO that wraps the conveyed bags.

In this embodiment, the bag-making mechanism IO forms bags from films 14a, 14b, and 14c supplied from three rolls 12a, 12b, and 12c, as shown in FIGS. 2 and 3. The film 14 supplied from the roll 12 is a plastic film, such as a polyethylene film, which is formed into a tubular shape. A sealer 16 is provided above the supplied film 14, and the sealer 16 seals the tubular film 14 at a predetermined position by descending.

Rolls 18a and 18b for transporting the film are provided above and below the supplied film 14. roll 18
a and 18b are driven by a fixed size feed motor (not shown) to move the film 14 in the direction of arrow A.

In front of the rolls 18a, 18b, cutter blades 20a, 20b are provided above and below the film 14, and these blades 20a.

The film 14 sealed by the occlusion of 20b is cut in place to form a bag.

A saucer 22 is provided at the end of the bag making mechanism 1G. The tray 22 is a stand on which the bag 24 cut and manufactured by the cutter 20 is temporarily placed. A stopper 102 is provided below the end of the saucer 22. Stopper 102 is cylinder 1
04, and when moved upward, the bag 2 protrudes from the end of the tray 22 and is discharged into the tray 22.
1. When the stopper l opening 2 is located downward as shown in the figure, it does not prevent the bag 24 from moving by the carry-in chuck 106, which will be described later.

A separator 108 is provided above the end of the saucer 22. Separator 108 moves in the direction of arrow B and in 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 direction of arrow B, and the separator 108
A is placed on the upper surface of the end of the bag 24. As a result, saucer 2
The bags 24 supplied on the bag 2 are divided into a predetermined number of sheets.

The apparatus composed of the tray 22 is provided with a conveyance table 11G, and a carry-in chuck 106 is provided on the upper part of the conveyance table 110 for pulling out every 100 bags 24 from the tray 22 onto the conveyance table 110. . The carry-in chuck 106 is
The bag 24 on the tray 22 is held and pulled out onto the conveyor table 110, and is driven by the draw-out cylinder 112 and moved in the direction of arrow C in FIGS. 2 and 3 and in the opposite direction.

As shown in FIG. 3, the conveyance table 110 is a flat member, and is provided with a cutout 1 loa for holding the bag 24 by a discharge chuck 240, which will be described later. Transport platform 1
10 is fixed to a belt 114, and the belt 114 is hooked to and rotated by a servo motor 116.

Under the control of the servo motor 116, the conveyance table 110
It is moved in the D direction and the opposite direction in FIG.

Thereby, the conveyance table 110 sequentially conveys the bags supplied from the three rows of bag making mechanisms IO to the packaging mechanism 200.

The packaging mechanism 200 is provided with a supply roll 204 and a take-up roll 206 to which the outer packaging film 202 used for packaging the bag 24 is supplied. The outer packaging film 202 may be made of the same plastic film as the one bag 24. The outer packaging film 202 supplied from the supply roll 204 is passed through a predetermined number of rolls 208 to 226 and wound around one take-up roll 206. taken.

On the way from the supply roll 204 to the take-up roll 206, there are a date marker 230 and a perforation press 232.
8 and a date marker 23 provided with a sensor 234
0 is a marker that marks the date at a predetermined position on the outer packaging film 202. The perforation press machine 232 perforates perforations for convenience when the user opens the outer packaging film 202 in which the bag 24 is wrapped. sensor 234
is a sensor 234 that detects the position of the outer packaging film 202 by reading the date marked by the date marker 230 or other marks previously attached to the outer packaging film 202. Winding by the winding roll 206 is controlled according to a signal from the sensor 234,
The outer packaging film 202 is configured so that the outer packaging film 202 wraps the bag 24 with a mark such as the date in a predetermined position.
The stop position of is adjusted. As shown in FIG.
It is supported almost perpendicularly to 4.

A side cut sealer 236 and a discharge conveyor 238 are provided behind the outer packaging film 202.

The side cut seal bar 236 has a heater for seal cutting, and as will be described in detail later, the bag 24 transported by the transport table 110 is ejected together with the outer packaging film 202 by the discharge chuck 240, and is cut into a predetermined shape. Seal and cut in place. Discharge conveyor 238
is driven by the feed motor 242, and discharges the bag 24 wrapped by the outer packaging film 202 in the direction of arrow E.

A discharge chuck 240 is provided at the top of the discharge conveyor 23δ. The ejection chuck 240 is connected to the ejection rail 24
4, is driven by a drive mechanism (not shown), and moves in the direction of arrow E and the opposite direction. The discharge chuck 240 transfers the conveyed bag 24 to the outer packaging film 202.
Hold it together and pull it out in the direction of arrow E.

Upper and lower sealers 246 are further provided above the discharge conveyor 238. The upper and lower sealers 246 package two bags 24, and the outer packaging film 20 is sealed at the rear end in the direction of arrow E by a side cut seal bar 236.
2, both ends parallel to the direction of arrow E are sealed.

Next, the operation of this device will be explained.

As shown in FIG. 3, three rolls 12a, 12b.

The tubular film 14 supplied from 12c is made into bags in the bag making mechanism IO. That is, the film 14a that is fed in the six directions of the arrows in FIGS. 2 and 3,
14b and 14c are accurately fed by a fixed-size feed motor (not shown) and sealed by the vertical movement of the sealer 16. Sealed films 14a, 14b
, 14c are cut by the engagement of the upper and lower blades of the cutters 20a and 20b, and are stacked on the saucer 22. At this time, the stopper 102 is set in the raised state by the cylinder 104, that is, in a position higher than the position shown in FIG.
The bag 24 sent upward is stopped by a stopper 102.

When the number of bags 24 made of the first row of films 14a sent onto the tray 22 reaches a predetermined number, for example 100, the separator 108 moves in the direction opposite to the direction of arrow B, and the separating member 108a is placed on the top of the bags 24. Placed as shown. As a result, the bags 24 sent after that are placed on the separate member 108a, so the first 100
It is separated from the sheet and placed on the weight. At this time, cylinder 10
4, the stopper 102 is moved downward, that is, to the position shown in FIG. 2, and the carry-in chuck 106 is moved from the left position in FIG. 2 in the direction opposite to the direction of arrow C to the right position in the same figure. The separate member 108 in the same figure moves.
100 bags placed under a are sandwiched as shown in FIG.

The carry-in chuck 106 holding the bag 24 therebetween moves in the direction of arrow C in FIG. 2 to move one bag 24 to a position on the conveyor table 110, and then releases the bag 24. As a result, the bag 24 is transferred to the conveyor table 110.
placed on top.

When the 100 bags 24 from the first row were placed on the carrier 110, the carrier 110 was moved in the direction D in FIGS. 1 and 3 by the servo motor 116 and placed on the carrier 110. Bag 24 is moved close to outer packaging film 202 and side cut sealer 236. The outer packaging film 202 is fed from a roll 204 and is date marked by a date marker 230 and perforated breath W.
After the perforation is provided by A232, as shown in FIG. 1, the bag 24 is carried by the roll 226 and the take-up roll 206 so as to be perpendicular to the bag 24 being conveyed.

When the bag 24 placed on the conveyance table 110 is further pressed and moved in the D direction by the movement of the conveyance table 110, the bag 24 placed on the conveyance table 110 is moved further in the direction D, as shown in FIGS.
In the step of FIG. 4E, the state shown in FIG. 4A changes to the state shown in FIG. 4B in which the bag 24 presses the outer packaging film 202 to the left in the figure. Thereafter, the discharge chuck 240 moves along the discharge rail 244 from the left position in FIG. 1 in the direction opposite to the direction of arrow E, and as shown in FIG. The discharge chuck 240 holding the bag 24 is moved in the direction of arrow E as shown in FIG. 4D.
move in the direction. As shown in the figure, the outer packaging film 20
When the bag 24 surrounded by 2 comes to the left side of the side cut seal bar 236, the discharge chuck 240 stops moving.

The blades of the side cut seal bar 236 engage to seal the outer packaging film 202 and cut the sealed portion. As a result, the outer packaging film 20 sandwiching the bag 24
2 is formed into a cylindrical shape, and the outer packaging film 202
The remaining portions are fused by seals and supported by take-up rolls 206 and rolls 226.

The outer packaging film 202 enclosing the bag 24 sealed by the blade of the side cut seal bar 236 is further moved in the direction of arrow E by the discharge chuck 240 or the discharge conveyor 238 and stops below the upper and lower sealers 246. The upper and lower sealers 246 move downward to the positions shown in FIGS. 3 and 4E, and seal both ends of the outer packaging film 202 surrounding one bag 24. As a result, three sides of the outer packaging film 202 are sealed, and packaging of the bag 24 with the outer packaging film 202 is completed. The bag 24 wrapped with the outer packaging film 202 is delivered to the discharge conveyor 23.
8, it is discharged in the direction of arrow E.

Next, the servo motor 116 moves the transport platform 110 to the second position.
The film 14b is moved to a position where it receives 100 bags 24. 10 by the second row of films 14b
0 bags 24 are caught in the carry-in zipper 106, and arrow C
The loading chuck 106 is moved on the conveyor table 110.
and placed on the conveyor table 110. Thereafter, as in the case of the bags 24 from the first row of films 14a, the bags 24 are moved in the D direction by the movement of the conveyor table 110,
The bag 24 along with the outer packaging film 202 is pinched by the discharge chuck 240 and moved in the direction of arrow E, and sealed and cut by the side cut seal bar 236.

Furthermore, the outer packaging film 2 is sealed by the upper and lower sealers 246.
02 is sealed at both ends, and is discharged in the direction of arrow E by the discharge conveyor 238.

Next, the bags 24 from the third row of films 14c are similarly wrapped by the outer wrapping film 202 and discharged. After that, the bag 24 from the first row of films 14a is again
is wrapped by the outer packaging film 202 and discharged.

In this way, according to one device, three rows of films 14a,
Bags 24 supplied from 14b and 14c are alternately delivered to conveyor table 1.
10 and wrapped with an outer packaging film 202.

Therefore, one bag is supplied from the three rows of bag making mechanisms IO.
Since the packaging is carried out continuously by two packaging mechanisms 200, three
There is no need to provide a packaging mechanism 200 for each row of bag making mechanisms 10, and there are three rows of bag making mechanisms! Since the bags 24 can be continuously supplied from zero to the packaging mechanism 200 without stopping, bag making and packaging operations can be performed smoothly.

In the above embodiment, three rows of bag making mechanisms 1O are provided, but the packaging apparatus of the present invention is not limited to three rows of bag making mechanisms, and can be provided with any number of bag making mechanisms.

In the bag making mechanism 10, a predetermined number of bags 2 are made.
4 using a separator 108, and transport chuck 1.
Since the bag is transported to the transport table 110 by 0B, the bag making mechanism 1
Bags 24 can be continuously supplied from zero, and the bag making work does not stagnate.

Further, since the movement amount of the conveyance 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 conveyance table 110 can be side-cut. It can be moved to a precise position for sealing and cutting by the sealing bar 236 and sealing by the upper and lower sealing bars 246.

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

According to the present invention, the packaging device extracts a predetermined number of bag-shaped bodies produced by a bag-making mechanism in multiple rows as extraction units for each row, and extracts the bags alternately from each row. It is transported by a transport mechanism and wrapped by a packaging mechanism. therefore,
Since the bag-like bodies supplied in multiple rows can be continuously and efficiently wrapped by one packaging mechanism, there is no need to provide multiple packaging mechanisms, and the device can be configured simply and without waste. can.

[Brief explanation of the drawing]

FIG. 1 is a schematic configuration diagram showing an embodiment of a multi-row automatic packaging device according to the present invention, and FIG. w42 is a schematic configuration diagram of the device shown in FIG. 1 from the side. 3 is a partially omitted perspective view of the apparatus shown in FIG. 1, and FIGS. 4A to 4E are views showing the packaging process of the apparatus shown in FIG. 1. Outer packaging film Side cut seal bar Discharge chuck Upper and lower seal bar 14゜1 [1゜20゜24゜ Part code description Bag making mechanism Film seal bar Cutter Bag conveyance mechanism Stopper Carrying chuck Separator conveyance table Belt Servo motor Packaging mechanism

Claims (1)

[Scope of Claims] 1. A conveyance mechanism that conveys multiple rows of bag-shaped bodies manufactured by a bag-making mechanism from tube-shaped films supplied in multiple rows in a predetermined number for each row; a packaging mechanism for packaging the bag-like objects transported by the transport mechanism, the transport mechanism alternately extracting a predetermined number of bag-like objects manufactured in the plurality of rows from the plurality of rows; A multi-row automatic packaging device, characterized in that it is conveyed to the packaging mechanism. 2. In the apparatus according to claim 1, the conveyance mechanism includes: a separator that separates each of the plurality of rows of bag-like bodies produced by the bag-making mechanism into a predetermined number of bag-like bodies; A carry-in chuck that clamps and pulls out a predetermined number of separated bag-like bodies, and a conveyance table that conveys a predetermined number of bag-like bodies pulled out by the carry-in chuck, and the carry-in chuck includes A multi-row system, characterized in that a predetermined number of bag-like bodies produced in a plurality of rows by a bag mechanism and separated by the separator are alternately extracted from the plurality of rows and conveyed onto the conveyor table. Automatic packaging equipment.