JP2001328606A - Bag-in box packaging system and retainer used for the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make easy the handling for a bag-in packaging system and speed up the function of packaging system. SOLUTION: The bag-in packaging system is constituted of a retaining means holding spouts of bags 1 with the spouts and a number of retainers 19 with bag storage sections supporting the bags after filling a liquid material, a carrying device 51 circulation carrying line of a loop shape and stopping them on respective packaging positions and a device of packaging disposed on respective positions, namely, a feeder 52 feeding the bags into the retainers, a cap mounting device 53, a liquid material feeder 54 and a capping device 55 and a boxing means 56 taking out the bags from the retainers and transferring them to a corrugated board box outside. These packaging devices package respective retainers or bags in the state of stopping. A plurality of bags and retainers are carried in parallel on the filling positions and boxing positions and simultaneously packaged.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bag-in-box type container in which a bag (bag) with a spout filled with a liquid material is accommodated in a cardboard case, and the liquid material is automatically filled into the bag through the spout. The present invention relates to a bag-in-box packaging system for attaching a lid material to a spout opening, inserting the lid material into cardboard, and packing into a box.

[0002]

2. Description of the Related Art A conventional bag-in-box packaging system is disclosed in, for example, Japanese Patent No. 2738240, and
No. 5503, Japanese Unexamined Patent Publication No. Hei 9-169302, etc., convey a bag row in which a large number of plastic bags are continuously connected, fill the front end bags in a continuous state, and then separate or After being separated into individual bags, the bags are filled with a liquid and subsequently stored in cardboard boxes.

[0003]

In the conventional bag-in-box packaging system, a flexible plastic bag is transported as it is, but the filling amount is relatively large because of the commercial packaging (5). ２０20 liters), it was difficult to handle bags such as transferring bags between each packaging process and holding bags for transfer, and it was not possible to speed up the packaging system. The present invention has been made in view of this point, and has as its object to facilitate the handling of bags and to speed up the packaging system.

[0004]

SUMMARY OF THE INVENTION A bag-in-box packaging system according to the present invention comprises a plurality of bag-in-box packaging systems having a holding means for holding a spout of a bag with a spout and a bag bottom receiving table for supporting a bottom of the bag after filling with a liquid material. Retainer, transport means for circulating the same along a loop-shaped transport path and stopping at each packaging processing position, and each packaging processing means arranged at each packaging processing position along the transport path, that is, a retainer A bag supplying means for filling the bag with liquid material from the mouth of the spout, and a box packing means for taking out the bag from the retainer, transferring the bag out of the transport path, and inserting it into the box. These packaging processing means perform each packaging processing (bag supply, liquid filling, bag removal, etc.) on the retainer or bag stopped at each packaging processing position. In the back-in-box packaging system, after filling the liquid material, a lid material (a stopper or / and an outer stopper) is attached to the spout opening of the bag. The lid material attaching means for that purpose is installed at either the liquid material filling position or between the liquid material filling position and the box packing position, or both as necessary.

[0005] Preferably, a plurality of the liquid material filling means and / or the box packing means are installed in parallel. In this case, the transporting means continuously transports the retainer in a single row and stops one by one at the bag supply position and the lid material attaching position. In this position, a plurality of the containers are stopped in front of them, and a plurality of the containers are simultaneously transported in parallel to the packaging processing position, and the retainers that have left the packaging processing position are continuously transported again in a single row. When the cover material attaching means is installed at the liquid material filling position, a plurality of the lid material attaching means are also installed in parallel. In general, the filling of liquid material and the taking out and packing of bags, especially the filling of liquid material, require a longer time for processing per bag than other processes, but a plurality of bags are transported in parallel and processed simultaneously. This balances the performance with other packaging processes and can speed up the entire packaging system.

Further, the retainer according to the present invention is used for a bag-in-box packaging system which transports a bag with a spout and performs a series of packaging processes such as filling and packing of a liquid material into the bag during the transport process. It has a holding means for holding a spout of a bag with a spout, and a bag bottom receiving stand for supporting a bottom of the bag after filling with a liquid material. Desirably, the holding means has a horizontal groove with the opening facing forward, and holds the spout fitted into the groove from the front,
A bag accommodating portion for accommodating a bag main body filled with a liquid material is provided below the holding means, and the bag accommodating portion is provided between the left and right side walls and the back wall and between the left and right side walls. Having.

In this case, it is desirable that the distance between the left and right side walls can be adjusted and the height of the bag bottom receiving table can be adjusted, so that the same retainer can be used even if the bag size is changed. Become like As a specific configuration for adjusting the height of the bag bottom receiving stand, if the bag bottom receiving stand can be freely moved up and down and constantly urged upward with a spring or the like at the same time, depending on the bag size (filling amount). The height of the bag base is adjusted naturally. Further, it is also possible to attach auxiliary receiving stands for receiving the bag bottom to both side surfaces of the bag bottom receiving stand, and to make it possible to adjust the drawing distance from the bag bottom receiving stand. When the left and right side walls are widened to accommodate a large bag, the drawer distance of the auxiliary cradle can be increased at the same time to prevent the bottom of the bag from dropping into the gap between the bag cradle and the side wall.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A bag-in-box packaging system according to the present invention and a retainer used in the bag-in-box packaging system will be described more specifically with reference to FIGS. The bag used for the bag-in-box includes a bag body, a spout, and a lid. As shown in FIG. 6, a bag 1 of a type using an outer plug as a lid member has a male screw 4 with which the outer plug 3 is screwed into the mouth of the spout 2.
A knurl is formed in the cylindrical groove portion 7 sandwiched between the flanges 5 and 6, and the cylindrical groove portion 7 fits into the groove portion of the holding portion of the retainer and is held (held portion). FIG. 7 shows a bag 8 of a type using a stopper as a lid material. This spout 9
The cylindrical groove 13 sandwiched between the flanges 11 and 12 is fitted and held in the groove of the holding portion of the retainer (held portion). It should be noted that even in the type using the outer plug 1, the tap 1
4 may be used.

The bag body 15 shown in FIG. 8 is of a gusset type. In this case, the bag body 15 is folded and flat before filling with a liquid material, and after filling, the bag body 15 is substantially as shown in FIG. 9 (a). It swells into a cubic or rectangular parallelepiped shape, and has a shape that can be easily stored in a square cardboard box. In FIG. 8, 1
Reference numeral 6 denotes a fold portion, a to c are seal portions (a is two seals of inner and outer films, b is two seals of outer films, c
Is a two-piece seal of notch of two inner films and two outer films), and a hook 1 for hanging under the seal part c.
7 is applied. FIG. 9B shows a state in which the hook 17 is hung.

As shown in FIGS. 2 to 4, the retainer 19 includes a bottom wall 21, a stand 22 vertically erected at the center of the rear end of the bottom wall 21, and holding means horizontally protruding forward from an upper end of the stand 22. 23, a back wall 24 installed vertically on the bottom wall 21 at the front of the stand 22, a side wall slide rail 25 installed horizontally on the back wall 24, and a vertical wall slidably mounted on the side wall slide rail 25. Left and right side walls 26, 27, a horizontal bag bottom receiving stand 28, which is installed on the bottom wall 21 between the left and right side walls 26, 27, and which can be lifted and lowered, and is installed so as to be able to be pulled out and pulled into both side surfaces of the bag bottom receiving stand 28. And
The upper surface is composed of an auxiliary support 29 having the same height as the bag bottom support 28.

The bracket portions 26a, 2a of the side walls 26, 27
A slide member 31 fitted to the side wall slide rail 25 is attached to the rear surface of the side 7a, and a ball plunger 32 is attached to the slide member 31 from the front side. The ball plunger 32 constantly urges the ball 32a at the tip to the side of the side wall slide rail 25 to fit into the holes 33 formed at equal intervals in the side wall slide rail 25, thereby fixing the slide member 31 to the side wall slide rail 25. But the side walls 26, 2
When the ball 7 is strongly pushed left and right, the ball 32a retreats and comes out of the hole 33, and the slide member 31 slides left and right, so that the distance between the side walls 26 and 27 can be adjusted.

The bag bottom receiving stand 28 has a guide shaft 34 on the lower surface. The guide shaft 34 is slidably inserted into a support stand 35 installed on the bottom wall 21 and is attached upward by a compression spring 36. As a result, the bag bottom receiving stand 28 can move up and down according to the weight of the bag. A rod 37 is horizontally attached to the auxiliary cradle 29 on the side of the bag cradle 28, and the rod 37 is removably fitted into a hole formed in the cradle bottom cradle 28, and the left and right side walls 26, 27 are provided. The draw-out distance of the auxiliary receiving table 29 can be adjusted in accordance with the interval of.

The holding means 23 is, as shown in FIG.
Fixed claw 39 having a horizontal groove 38 with the opening facing forward
And an engagement claw 41 attached to a lower portion of the fixed claw 39. The deepest portion of the groove of the fixed claw 39 has a substantially arc shape, and this forms a holding portion 42 for holding the cylindrical groove 7 of the spout 2. Its diameter is set to be substantially the same as that of the cylindrical groove 7 or 13. An inwardly protruding projection 4 is provided at the entrance of the holding portion 42.
3 are formed on both sides, and the distance between the protrusions 43 is set slightly smaller than the diameter of the cylindrical groove 7. Therefore, when the plastic spout 2 is pushed into the fixing claw 39 from the front, the cylindrical groove 7 is deformed, rides over the convex portion 43, fits into the holding portion 42, and once it is fitted, the convex portion 43 is The tubular groove 7 is prevented from coming out of the holding portion 42. In addition, a large number of small vertical projections (jaggies) 44 are formed on part or all of the holding portion 42. When this is engaged with the knurl formed in the cylindrical groove 7 of the spout 2 and the external plug 3 is screwed into the male screw 4 at the mouth of the spout 2,
This prevents the held spout 2 from rotating.

The engaging claw 41 as a whole is curved along the arc shape of the holding portion 42, and its head portion 45 is
2, the end portion 46 is located behind the holding portion 42, is rotatable around a vertical axis 47 in the head portion 45, and the end portion 46 is
It is always biased to come to the side. A large number of small vertical projections (jagged portions) 49 are formed on the side of the head portion 45 facing the holding portion 42. When the spout 2 is not held, the end portion 46 is located inside the holding portion 42 and the head portion 45 is located outside the holding portion 42 (see the phantom line in FIG. 5). The end part 46 is the holding part 4
2, the head portion 45 rotates and the small projection 49 enters the inside of the holding portion 42, which engages with the knurl formed in the cylindrical groove 7 of the spout 2, and the spout 2 is moved. Prevents rotation.

The bag-in-box packaging system shown in FIG. 1 is a system corresponding to three types of bags with spouts that use only stoppers, outer stoppers only, or both stoppers and outer stoppers as cover materials. Along the transport path of
And a bag supply device 52, a stopper attaching device 53, a filling device 54, an outer stopper attaching device 55, a box packing device 56, and the like, which are arranged along the carrying route. The bag supply device 52 and the outer plug mounting device 55 are each one, and the stopper mounting device 53 and the filling device 54 are adjacent to each other.
They are installed in parallel, and three packing devices 56 are also installed in parallel. Also, a cock supply device 57 for supplying a cock into the cardboard box into which the bag is inserted is provided by a box packing device 56.
It is installed downstream of.

The transfer device 51 basically transfers the retainers 19 continuously in a single row, but stops the retainers 19 where necessary, or transfers a plurality of the retainers 19 in parallel. Belt conveyor 58 from the boxing position to just before the filling position
Is installed, and before the filling position, the belt conveyor 58 is provided.
In between, three lifting roller conveyors 59 are installed in parallel (serial as viewed from the conveying direction of the belt conveyor 58),
At the filling position, three roller conveyors 61 are installed in parallel adjacent to the elevating roller conveyor 59, and three elevating roller conveyors 62 are arranged adjacent to the roller conveyor 61 in parallel between the belt conveyors 63 ( (In the direction of conveyance of the belt conveyor 63).

Following the belt conveyor 63, a weight checker 64 for measuring the weight while continuously transporting the retainer 19 in a single row is disposed, and a roller conveyor 65 is disposed ahead of the weight checker 64, and a discharge conveyor is disposed adjacent to the roller conveyor 65. A roller conveyor 66 is provided. A belt conveyor 67 is arranged following the roller conveyor 65, and a roller conveyor 68 is arranged at the end of the outer plug attachment position, followed by a roller conveyor 68, and a discharge roller conveyor 69 is arranged adjacent to the roller conveyor 68.

A belt conveyor 71 is arranged following the roller conveyor 68. Before the box packing position, three vertically movable roller conveyors 72 are arranged in parallel between the belt conveyors 71 (in series when viewed from the conveying direction of the belt conveyor 71). It is further installed, and three roller conveyors 73 are installed in parallel adjacent to the elevating roller conveyor 72, and an elevating roller conveyor 74 is installed between the belt conveyor 58 adjacent to the roller conveyor 73 at the following boxing position. 3
They are installed in a table parallel (series as viewed from the transport direction of the belt conveyor 58). A stop device for stopping the movement of the retainer 19 and / or a stopped retainer 1 is provided at an appropriate position (eg, a bag supply position) on the transfer path of the transfer device 51.
Positioning device for positioning 9 (neither shown)
Is installed.

When a packaging process is applied to a bag with a spout (shown in FIG. 6) of a type that uses only an outer plug as a cover material, the following procedure is performed. First, the empty retainer 19 that has exited the box packing position is continuously rotated by the belt conveyor 58.
When the belt conveyor 58 comes to the bag supply position, it is stopped by the stop device (the belt conveyor 58 itself does not stop rotating), is positioned at a predetermined position by the positioning device, and is supplied from the bag supply device 52 to supply the spouted bag 1. Receive. At this time, the cylindrical groove 7 of the spout 2 is held by the holding means 23 (the fixed claw 39 and the engagement claw 41) of the retainer 19.

When the supply of the spout-equipped bag 1 is completed, the retainer 19 is released from the stopping device, is conveyed to the filling position, reaches the position above the elevating roller conveyor 59, and stops when the stopping device stops. The elevating roller conveyor 59 moves up and separates the retainer 19 from the belt conveyor 58. When all three elevating roller conveyors 59 are placed on the retainer 19 and lifted, the elevating roller conveyor 59 and the roller conveyor 61 are operated, and three retainers 19 are arranged in parallel at a predetermined position on the roller conveyor 61 (filling). Position). Subsequently, the elevating roller conveyor 59 descends and stands by, while each retainer 19 is positioned by the positioning device on the roller conveyor 61, and after positioning, the three bags 1 are passed through the spout 2 by the filling devices 54. Receive the filling of liquid material at the same time. Note that the spigot attachment device 53 does not operate.

After the filling is completed, the roller conveyor 61 and the elevating roller conveyor 62 (at the ascending position) are operated, and three retainers 19 are conveyed in parallel to a predetermined position on the elevating roller conveyor 62. Subsequently, the elevating roller conveyor 62 descends to transfer three retainers 19 onto the belt conveyor 63 at the same time, and the belt conveyor 63 continuously conveys them in a single row. On the other hand, the lifting roller conveyor 62 rises as before and waits.

The retainer 19 continuously conveyed by the belt conveyor 63 passes through a known weight checker 64,
Each of the filling amounts is detected. When a defective filling amount is detected, when the retainer 19 is being conveyed on the roller conveyor 65, a discharge device (not shown) operates based on the detection signal, and sends the retainer 19 onto the discharge roller conveyor 66. Note that the filling amount may be detected by providing a flow meter in the filling device 54 instead of the weight checker 64.

Following the roller conveyor 65, the retainer 19
Is conveyed by a belt conveyor 67 and stopped by a stop device when the outer stopper mounting position is reached (the belt conveyor 67 itself does not stop rotating), is positioned at a predetermined position by a positioning device, and the spout 2 is The outer plug 3 is attached to the mouth. Reference numeral 75 denotes an outer plug supply device that supplies the outer plug 3 to the outer plug mounting device 55. When the mounting of the outer plug 3 is completed, the retainer 19 is released from the stopping device, is again conveyed by the belt conveyor 67, and the mounting state of the outer plug 3 is detected on the way by the inspection means 76 such as a CCD camera. When the mounting failure is detected, when the retainer 19 is being conveyed on the roller conveyor 68, a discharge device (not shown) operates based on the detection signal, and sends the retainer 19 onto the discharge roller conveyor 69.

Following the roller conveyor 68, the retainer 19
Is conveyed toward the packing position by the belt conveyor 71 and reaches the position above the elevating roller conveyor 72,
Here, when stopped by the stop device, the elevating roller conveyor 72 moves up to move the retainer 19 to the belt conveyor 7.
Pull away from 1. All three roller conveyors 7
2 is placed on the retainer 19 and rises, the elevating roller conveyor 72 and the roller conveyor 73 operate,
The three retainers 19 are conveyed in parallel to a predetermined position (boxing position) on the roller conveyor 73. Subsequently, the elevating roller conveyor 72 descends and stands by, while each retainer 19 is positioned on the roller conveyor 73 by a positioning device, and after positioning, by an extruder (not shown) constituting a part of the box packing device 56. The spout 2 is extruded from the holding part 42, and subsequently the bag 1 is also put into the box packing device 5
6 is suspended by a hook 17 of a transfer device constituting a part of the transfer device 6, and transferred outside the transfer path.

When the bag 1 is suspended and transported, the roller conveyor 73 and the elevating roller conveyor 74 (at the ascending position) are operated, and three retainers 19 are arranged in parallel on the elevating roller conveyor 74 in a predetermined manner. Transport to the position.
Subsequently, the elevating roller conveyor 74 descends to transfer three retainers 19 onto the belt conveyor 58 at the same time, and the belt conveyor 58 continuously conveys them in a single row. On the other hand, the elevating roller conveyor 74 rises as before and stands by. The bag 1 carried out of the transport path by the transfer device is
Cardboard box 78 supplied by belt conveyor 77
Is inserted into. After further packing, the cardboard box 78 is discharged out of the box packing device 56 by the belt conveyor 81,
The cock is supplied by the cock supply device 57 on the way to the sealing machine.

As shown in FIGS. 10 and 11, the transfer device 83 comprises a reciprocating part attached to a main frame 84 and an elevating part attached to the reciprocating part. Slide rail 8 attached to
5. A slide unit 86 that is guided by the slide rail 85 and slides in the horizontal direction, and a reciprocating block 8 attached to the slide unit 86 and having an internal thread formed inside.
7, a screw 88 screwed to the reciprocating block 87, bearings 89 and 90 supporting both ends of the screw 88, and a servo motor 91 for rotating the screw 88.

The elevating section includes an intermediate frame 92 attached to the reciprocating block 87, a slide rail 93 attached to the intermediate frame 92, and a slide rail 9
3, a slide unit 94 that is moved up and down by the guide 3, a lift block 95 that is attached to the slide unit 94 and has an internal thread formed therein, a screw 96 that is screwed to the lift block 95, and a bearing 9 that supports both ends of the screw 96.
7, 98 and a servo motor 99 for rotating a screw 96, and a pair of air cylinders 10 attached to a plate 101 which moves up and down together with a lifting block 95.
2, 103, and a pair of hooks 17 attached to them and opened and closed.

When the bag 1 on the retainer 19 is transferred by the transfer device 83, the hook 17 is opened and the bag 1 is positioned above the bag 1 on the retainer 19 in the boxed position. After being pushed out, the servomotor 99 is operated to lower the hook 17, and then the air cylinders 102 and 103 are operated to close the hook 17 and grip the main body 15. Next, the servomotor 99 is operated to raise the elevating block 95 to suspend the bag 1, and the servomotor 91 is operated to retreat the reciprocating block 87. The bag 1 is inserted at the insertion position (a predetermined position on the belt conveyor 77). Stop and transfer onto the positioned cardboard box 78. Further, the servomotor 99 is operated to lower the elevating block 95, and the bag 1 is inserted into the cardboard box 78.
The hooks 17 are opened by operating the air cylinders 102 and 103, and the main body 15 of the bag 1 is released. After that, hook 1
7 is returned to its location (above the retainer in the boxed position) and waits there.

In FIG. 1, the process of handling only bags, such as supplying, filling, and attaching a lid, and the process of packing cardboard boxes are performed.
It is divided by. This is to prevent the paper dust generated from the cardboard box from scattering and causing an obstacle to the packaging process (such as mixing in the bag).

In the above example, only the filling device 54 was operated at the filling position for the packaging processing of a bag with a spout of the type using only the outer plug as the cover material, but the type using only the tapping (see FIG. 7). In the case shown in FIG. That is, since the stopper 14 is usually attached to the spout 9 in advance, after the retainer 19 is positioned at the filling position, the stopper attaching device 53 is first activated to remove the stopper 14 from the spout 9 and to retreat. The device 54 fills the liquid material through the spout 9 and then the stopper attaching device 53 advances to attach the stopper 14 again. In this case, the outer plug mounting device 55 does not operate, and there is no need to stop the retainer 19 at the outer plug mounting position. In the case of the type using both the outer plug and the stopper as the lid material, both the stopper mounting device 53 and the outer stopper mounting device 55 operate.

In the above example, a plurality of filling devices 54 and a plurality of boxing devices 56 are respectively provided, and a plurality of retainers 19 are simultaneously transported in parallel before and after the filling position or the boxing position. 54 and boxing device 56
Are all operated at the same time, for example, when a part of the filling device 54 or the box packing device 56 fails or the remaining tank for supplying the liquid material to the filling device 54 is small, and all the filling devices 54 When supply is not possible, only a part of the filling device 54 and the boxing device 56 can be operated. In that case, do not carry the unnecessary retainer 19 in parallel by operating only a part of the parallel transfer part of the retainer (elevable roller conveyor etc. (59-62), elevating roller conveyor etc. (72-74)). Is desirable.

Further, in the above example, the weight checker 64
Of the outer plug mounting device 55 (the outer plug supply device 75 and the inspection means 76)
Can also be located upstream. in this case,
By attaching the outer plug 3 to the bag 1 first, there is an advantage that the transport distance without the lid is shortened, and the chances of spilling of liquids and foreign substances during transport are reduced.

[0033]

According to the present invention, in a bag-in-box packaging system, a bag with a spout is transported along a transport route on a loop using a retainer, and each packaging process is performed on the transport route. Therefore, the handling of the bags, such as the transfer of the bags and the holding of the bags for the transfer, is facilitated, and the speed of the packaging system can be increased. In addition, if a plurality of filling and boxing are supplied in parallel to the packaging processing position, the ability with other high-speed packaging processing can be balanced, and the overall speed of the packaging system can be further increased. it can.

[Brief description of the drawings]

FIG. 1 is a conceptual diagram of a bag-in-box packaging system according to the present invention.

FIG. 2 is a front view of a retainer according to the present invention.

FIG. 3 is a plan view of the same.

FIG. 4 is a partially cutaway side view.

FIG. 5 is an enlarged plan view of the holding means.

FIG. 6 is an example of a bag used for a bag-in-box.

FIG. 7 is another example.

FIG. 8 is a plan view of the same before filling.

FIG. 9 is a side view after filling.

FIG. 10 is a front view of the transfer device.

FIG. 11 is a side view thereof.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 bag 19 retainer 21 bottom wall 23 holding means 24 back wall 26, 27 side wall 28 bag bottom receiving table 29 auxiliary receiving table 51 transfer device 52 bag supply device 53 stopper mounting device 54 filling device 55 outer plug mounting device 56 box packing device 78 Cardboard box

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) B67B 3/20 B67B 3/20 3/22 3/22 F term (Reference) 3E018 AA04 AB06 BA06 BA07 BA08 DA02 DA04 EA03 3E030 AA03 AA05 BA09 BB05 BC04 DA01 DA06 DA08 EA01 EB01 EB03 FA04 GA05 3E049 AA06 AB02 BA01 CA04 DA01 EB02 EC02 3E054 AA13 BA07 CA08 DB05 DB06 DB07 DB17 DB20 DD03 DE03 DE05 EA02 FA03 FA07 GB02 GC05 JA03 FF01 FF11

Claims (8)

[Claims] 1. A large number of retainers each having a holding means for holding a spout of a bag with a spout and a bag bottom receiving stand for supporting a bottom of the bag after filling with a liquid material, and circulating the retainer along a loop-shaped conveyance path. Transport means for stopping at each packaging processing position, and each packaging processing means disposed at each packaging processing position along the transport path, that is, bag supply means to the retainer, liquid material from the mouth of the spout to the bag. Liquid packing means, and a packing means for taking out the bag from the retainer, transferring the bag out of the transport path and inserting it into a box, etc., and these packing processing means perform each packing process on the stopped retainer or bag. A bag-in-box packaging system. 2. A liquid material filling position or / and a lid material attaching means for attaching a lid material to a spout opening of a bag filled with a liquid material between the liquid material filling position and the boxing position. The bag-in-box packaging system according to claim 1. 3. A plurality of the liquid material filling means and / or the box packing means are arranged in parallel, and the transport means continuously transports the retainers in a single row and stops a plurality of them in front of the packaging processing positions. , Multiple items are transported in parallel to the packaging processing position,
3. The bag-in-box packaging system according to claim 1, wherein the retainer that has exited the packaging processing position is continuously transported again in a single row. 4. A retainer for use in a bag-in-box packaging system for conveying a bag with spouts and performing a series of packaging processes such as filling and bagging of a liquid substance into the bags in the course of the conveyance, wherein the spouts for the bags with spouts are provided. Characterized by having a holding means for holding the bag and a bag bottom receiving stand for supporting the bottom of the bag after filling with the liquid material. 5. The holding means has a horizontal groove with an opening facing forward, holds the spout fitted into the groove from the front, and accommodates a bag filled with a liquid material below the holding means. 5. The retainer according to claim 4, wherein a bag receiving portion is provided, and the bag receiving portion has left and right side walls and a back wall, and a bag bottom cradle installed between the left and right side walls. 6. The distance between the left and right side walls is adjustable.
6. The retainer according to claim 5, wherein the height of the bag bottom support is adjustable. 7. The retainer according to claim 6, wherein the bag bottom receiving stand is urged upward and installed so as to be able to move up and down. 8. An apparatus according to claim 4, wherein auxiliary pedestals for receiving the bag bottom are attached to both side surfaces of said bag bottom pedestal, and a draw-out distance from said bag bottom pedestal is adjustable. Retainer described in crab.