JPH0798529B2 - Bag laying equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bag used for laying a bag made of synthetic resin or paper inside a box made of an appropriate material such as corrugated paper or synthetic resin. Regarding laying equipment.

[0002]

2. Description of the Related Art Conventionally, as a bag laying device for laying a bag in a cardboard box as in the above-mentioned example, for example, as shown in FIG. 8, a cylindrical film f made of synthetic resin and formed in a long dimension. And the cylindrical film f is welded in the width direction by the heating head 70 arranged in the upper stage at the same position, and the cylindrical film f is moved in the width direction by the cutting cutter 71 arranged in the lower stage at the same position. It cuts and separates and forms one packaging bag F. At the same time, the left and right adsorbents 7 arranged at the same position lower part
2, 72 adsorbs and holds both side surfaces of the packaging bag F on the opening side, separates the adsorbers 72, 72 in the left-right direction, and opens the loading port Fa of the packaging bag F to an appropriate size. After that, the suction bag 72 is horizontally moved to the upper side of the cardboard box B while the suction bag 72 is held by the left and right suction elements 72, 72, and the suction holding by the suction elements 72, 72 is released to release the packaging bag F from the corrugated board. There is a device that inserts into Box B.

[0003]

However, as described above, when holding the packaging bag F, which is vertically fed out by the left and right adsorbents 72, 72, as the opening is held, the adsorbents 72 are adsorbed during the bag adsorption. , 72 and the packaging bag F are easily displaced from each other, and an error may occur in the suction operation and the opening operation by the suction elements 72, 72. In addition, since the packaging bag F sucked and held by each of the adsorbents 72, 72 falls during the movement or the insertion port Fa of the packaging bag F is closed when the packaging bag F is inserted into the cardboard box B, the inside of the cardboard box B is closed. However, it is difficult to reliably insert the packaging bag F. Moreover, after the bag is inserted, the laying state of the packaging bag F inserted in the corrugated cardboard box B must be corrected by the operator's hand, which causes a problem of poor work efficiency.

In view of the above problem, the present invention opens the bag body that is horizontally fed and supplied, and then changes the direction to a hanging posture that is inserted into the inside of the box body at the lower part of the same position. You can surely insert the bag inside the body,
An object of the present invention is to provide a bag laying device capable of saving labor and improving efficiency of bag laying work.

[0005]

According to a first aspect of the present invention, there is provided a bag laying device which feeds and feeds a bag body having an appropriate size one by one in a horizontal direction along a delivery path. And, the opening of the bag body is held in a size that covers the upper surface of the box body in a horizontal position where the bag body is fed and supplied, and the bottom part of the bag body with respect to the inside of the box body supplied below the position. The bag laying device is provided with a bag opening holding means for changing the direction while the opening is held in the hanging posture in which the bag is inserted.

The bag laying device according to claim 2 of the present invention is
The tubular packaging body wound into the roll is formed into a bag shape,
And feeding supplies bag supply means one by one in a horizontal direction along the bag-like formed the bag body to feed path, sized to be coated inlet of the receptacle with respect to the box top, feed supply
The bag opening means for opening and holding the bag in the horizontal posture, and the bottom of the bag body is inserted into the inside of the box body supplied to the lower part of the opening position while holding the opening of the bag body in the opened state. In a hanging posture, bag holding means for changing the direction with the opening held, and bag inserting means for relatively moving the box body and the bag body in a direction in which the bag body is inserted into the inside of the box body, The bag laying device comprises a bag pushing means for shaping the bottom of the bag inserted into the box into a size corresponding to the inside of the box.

The bag laying device according to claim 3 of the present invention is
Along with the structure according to claim 2, the box body supplied to the lower portion of the position is vertically moved up and down in the direction in which the bag body in which the bag inserting means is turned by the bag holding means is inserted. The bag laying apparatus according to claim 2 configured as described above.

[0008]

In the bag laying apparatus according to the first aspect of the present invention, the bag feeding means is driven to feed and feed the appropriately sized bags one by one in the horizontal direction along the feeding path. So
Then, the bag holding means is driven to change the direction of the bottom of the bag body to the drooping posture to be inserted into the inside of the box body while keeping the opening of the bag body in the horizontal posture and holding the opening. . Should the opening be wrong
When it is good, it is sufficient to make the correct opening again. Well
Also, while inserting a film, open the next film opening.
To do.

A bag laying apparatus according to claim 2 of the present invention is
The bag supply means is driven to form a cylindrical package wrapped in a roll into a bag, and the bags formed into the bag are fed out one by one in the horizontal direction along the delivery path. The bag opening means is driven to hold the opening of the bag body in a horizontal posture in a size to cover the upper surface of the box body, and the bag holding means is driven to supply the box body to the lower part of the same position. a hanging posture in which the bottom of the bag body is inserted into the interior, shaped with an opening held
Change direction while keeping the state . In the unlikely event that the above-mentioned opening is defective
In this case, the correct opening should be made again. After that, the bag inserting means is driven to insert the bottom portion of the bag body held by the bag holding means into the inside of the box body, and the loading port of the bag body is covered and set on the top surface of the box body. At the same time, the bag pushing means is driven to shape the bottom of the bag inserted inside the box into a box shape .

A bag laying apparatus according to claim 3 of the present invention is
In addition to the action of the above-mentioned claim 2, after the bag body opened and held by the bag holding means is turned to the hanging posture, the bag inserting means is driven to vertically raise the bag body held by the bag holding means. Insert inside the box .

[0011]

According to the present invention, after the opening of the inlet of the bag to be fed and supplied in the horizontal direction is maintained, the bag is kept in that state.
Also, since the direction is changed to the hanging posture in which the bottom part of the bag body is inserted into the inside of the box body at the same position , the labor and work to move the bag body horizontally while sucking and holding it like the conventional device. that is Do not required. For this reason, horizontal
It is possible to prevent the film from falling during movement.

Further , the bag body is opened in a horizontal posture.
In that case, the film will never fall and
When the opening is defective, the opening can be performed again. That
When the bag is in the horizontal position, keep the bag inlet open.
Since the insertion work is performed by changing the direction to a vertical posture from the box body
Opening the next film during the insertion of the film into the
Get And this thing has a margin, the certainty of the film
Connects to the opening and enables the opening operation again as described above
It is what Therefore, the insertion work can be performed securely.
Well, the efficiency of each stage of bag laying work can be improved.

Moreover, since the upper surface of the box body is covered while the opening of the bag is kept open, the bag is not closed at the time of covering the bag, and the bottom of the bag is closed. Since it is indented and shaped into a shape, the bag can be laid in an appropriate form corresponding to the inside and outside of the box, and the bag laying work can be done mechanically, so labor saving and efficiency improvement of the bag laying work can be achieved. Can be planned.

Further , the bag inserting means is arranged so that the box body and the bag body are opposed to each other.
Because it moves, the stroke for insertion is reduced.
Can be devised appropriately. Therefore, cylinders etc. are short
The size of the device can be reduced and the height of the device can be lowered to achieve the highly demanded miniaturization.
Can be achieved.

In addition, by vertically moving the box body side in the direction in which the bag body is inserted, only one bag body side is vertically moved in the direction in which the bag body is inserted into the box body. Can be shortened, the operation time required for laying the bag can be greatly shortened, the processing capacity can be improved, and the apparatus can be downsized.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings. The drawings show a bag laying device used for laying a packaging bag made of synthetic resin or paper in a cardboard box as an example of a box body. In FIG. 1 and FIG. 2, this bag laying device 1 is a roll. A film feeding mechanism 2 for feeding a cylindrical film f made of synthetic resin wound in a circular shape onto a feeding path,
A film welding mechanism 3 for thermally welding the tubular film f supplied to the welding position on the same path, and a film cutting mechanism 4 for cutting the tubular film f supplied to the welding position on the same path to an appropriate length. , A film feeding mechanism 5 for supplying the tubular film f to the opening position on the same path, and a film opening mechanism 6 for opening the input port Fa of the packaging bag F supplied to the opening position on the same path, and an appropriate size Holding the opening Fa of the packaging bag F opened to the above position and reversing it 90 degrees to the posture in which the bottom of the packaging bag F is inserted into the cardboard box B supplied to the insertion position at the same lower position. The mechanism 7, the film loading mechanism 8 that loads the packaging bag F into the cardboard box B that is supplied to the same insertion position while the packaging bag F is open, and the cardboard box B that is assembled in the top open form are supplied to the insertion position. Box feed conveyor 9 Constructed.

In the film feeding mechanism 2 described above, a cylindrical film f made of synthetic resin formed in a long dimension is wound in a roll shape, and the roll holder 10 disposed at the lower portion of the feeding side bears the bearing and feeds it. Each feed roll 11, 12, 13, 14, 15 pivotally supported on the path, and a dancer roll 16
A tubular film f is stretched over the and. That is, each of the feed rolls 12 and 14 formed to have a large diameter is rotationally driven in the feeding direction, and the tubular film f wound in a roll shape is supplied onto the feeding path.

In the film welding mechanism 3 described above, a mounting frame 17 is installed above the welding position set on the feeding path in a direction orthogonal to the film feeding direction, and the welding cylinder is fixed to the central portion on the upper surface side of the mounting frame 17. The piston rod of 18 is connected to the movable plate 19, and the heating head 20 formed slightly longer than the lateral width dimension of the tubular film f is fixed in the longitudinal direction of the lower surface side of the movable plate 19, and the heating head 20 is heated below the welding position. Head 20
The head receiving plate 21 is horizontally fixed opposite to. In addition, the guide shafts 22, 22 are provided at both end portions on the lower surface side of the movable plate 19.
Is vertically slidably inserted, and an upper pressing plate 24 formed to be slightly longer than the lateral width dimension of the tubular film f is horizontally provided at the lower end portion of each guide shaft 22 and 22 via each coil spring 23 and 23. The lower pressing plate 25, which is fixed and faces the upper pressing plate 24 and is slightly longer than the lateral width dimension of the tubular film f, is horizontally fixed at the lower part of the same position.

That is, when the welding cylinder 18 is actuated, the heating head is provided at an interval for thermally welding the tubular film f supplied to the welding position on the delivery path and an interval for allowing the delivery operation of the tubular film f. 20 and head receiving plate 21
Relative to and away from. At the same time, the pressing plates 24 and 25 are brought into contact with and separated from each other at an interval for holding the tubular film f supplied to the welding position and an interval for allowing the feeding operation of the tubular film f.

In the film cutting mechanism 4 described above, a mounting frame 30 is installed below the welding position set on the feeding path at right angles to the feeding direction, and mounted on a rodless cutting cylinder 31 fixed to the mounting plate 30. A film cutting blade 32 formed slightly longer than the lateral width of the tubular film f is attached so as to be movable left and right. That is, the operation of the cutting cylinder 31 causes the heating head 20 and the pressing plates 2 described above.
The film cutting blade 32 is moved left and right in a direction for cutting the tubular film f held between the film cutting blades 4 and 25.

The film cutting mechanism 4 is replaced with the film welding mechanism 3
On the other hand, because of the close proximity to the tubular film f,
Be careful not to shift the position of cutting or welding due to looseness.
It can be blocked and can always perform a certain work.

The above-mentioned film feeding mechanism 5 has the mounting frames 3 at the upper and lower portions of the holding position set on the feeding path.
Pulleys 3, 35 erected in parallel with the feeding direction and pivotally supported on the feed-side starting end of the upper mounting frame 33,
The respective feed belts 37, 37 are stretched between the respective pulleys 36, 36 pivotally supported at the feed end portion, and the pulleys 38, 38 pivotally supported at the feed side start end portion of the lower mounting frame 34, and the feed side. The feed belts 40, 40 are stretched between the pulleys 39, 39 pivotally supported at the terminal end. That is, each feed belt 3 is driven by the driving force of a feed motor (not shown) with a speed reducer.
7, 37 and the feed belts 40, 40 are synchronously circulated in the feeding direction, and the leading ends of the tubular film f held by the upper and lower feed belts 37, 40 are rotated until they reach the opening position.

Further, the piston rod of the lifting cylinder 41 disposed at the upper part of the same position is connected to the upper mounting frame 33, and by the operation of the lifting cylinder 41, the cylindrical shape is supplied to the holding position on the feeding path. The upper and lower feed belts 37 and 40 are relatively brought into contact with and separated from each other at an interval for holding the film f and an interval at which the holding of the tubular film f is released. Also, each sending
If you tilt the belts 37 and 40 downward,
You can easily get it out even with a film.

The above-mentioned film opening mechanism 6 has a cylindrical film f at the upper and lower portions of the opening position set on the feeding path.
The adsorbents 42, 42 are arranged so as to face the upper and lower surfaces of the opening side, and the opening cylinders 43, 43 are arranged above and below the same position.
The end of the pistol rod is fixed to the adsorbents 42, 42. That is, by the operation of the opening cylinders 43, 43, the interval at which the cylindrical film f supplied to the opening position on the feeding path is closely attached to the upper and lower surfaces on the opening side, and the insertion port Fa of the cylindrical film f is appropriately enlarged. The adsorbents 42, 42 are brought into contact with and separated from each other with respect to the interval of opening.

When the adsorbents 42, 42 are closely attached to the upper and lower surfaces of the tubular film f on the opening side, the adsorbents 42, 42 are adhered to each other.
When the tubular film f is adsorbed and held by the negative pressure of the suction blower (not shown) connected to the adsorbents 42, 4 when the film holding mechanism 7 described later holds the input port Fa of the packaging bag F.
The negative pressure of the suction blower (not shown) connected to 2 is shut off or stopped to release the suction holding of the tubular film f.

The film holding mechanism 7 described above is provided with an opening Fa for the packaging bag F opened by the film opening mechanism 6 described above.
A movable frame 44 formed in a size and shape that allows vertical movement of a bag loading plate 57, which will be described later, is rotatably supported at a height position opposite to the vertical position, and is arranged at the side of the same position. A piston rod of the frame turning cylinder 45 is connected to an arm 46 fixed to one side shaft portion of the movable frame 44. That is, by the operation of the frame turning cylinder 45, the sideways posture in which the input opening Fa of the packaging bag F opened by the film opening mechanism 6 is held, and the packaging bag F is placed in the cardboard box B supplied at the insertion position. The rotation of the entire movable frame 44 is stopped in the downward posture for loading.

Further, the bag holding frames 48 are slidably mounted on the respective guide rails 47, 47 provided on the inner facing surfaces of the movable frame 44, and the frame moving cylinders are fixed to the upper ends of both sides of the movable frame 44. The piston rods 49, 49 are connected to the upper ends of both sides of the bag holding frame 48 which is formed in a size and shape that allows vertical movement of the bag loading plate 57 described later. That is, when the frame moving cylinders 49, 49 are operated to stop the rotation of the entire movable frame 44 in the lateral posture, the film opening mechanism 6 opens the packaging bag F into the loading port Fa described below. Each of the folding claws 51 ... Moves back and forth in the direction of insertion. When the entire movable frame 44 is stopped to rotate downward, the flaps Ba of the cardboard box B supplied to the insertion position move up and down in the direction in which the insertion port Fa of the packaging bag F is covered.

Further, the folding claws 51 are fixed on the support shafts 50 mounted on both ends of the lower surface side of the bag holding frame 48 so as to be positionally adjustable, and one end of each support shaft 50. The umbrella-shaped gears 52 fixed to both side ends are engaged with each other, and the piston rod of the bag holding cylinder 53 fixed to the bag holding frame 48 and one end of the support shaft 50 are connected to the rack 54a and the gear. 5
It is connected via 4b. That is, by the operation of the bag-holding cylinder 53, the closing angle that is inserted into the loading port Fa of the packaging bag F opened by the film opening mechanism 6 through the support shafts 50 and the gears 52. And the folding claws 51 ... Are opened and closed to an opening angle that opens the input port Fa of the packaging bag F to a size that covers each flap Ba of the corrugated cardboard box B.

In the film loading mechanism 8 described above, a mounting frame 55 is provided above the insertion position where the packaging bag F held by the film holding mechanism 7 is loaded into the corrugated box B.
A piston rod of a bag loading cylinder 56 fixed to the upper surface side central portion of the mounting frame 55 and an upper surface side central portion of a bag loading plate 57 formed in a size and shape to be inserted into the corrugated box B. In the corrugated cardboard box B supplied to the insertion position and the ascending position where the bag holding frame 48 constituting the above-mentioned film holding mechanism 7 is allowed to swing by the operation of the bag loading cylinder 56 after being connected and fixed. The bag loading plate 57 is moved up and down to the lowered position in which the packaging bag F is loaded. In addition, an injection nozzle 58 connected to, for example, a compressor, an air blower or the like is provided at the center of the lower surface side of the bag loading plate 57 so as to project.

The above-mentioned box feeding conveyer 9 is provided with a plurality of feeding rollers 60 ... At predetermined intervals in the box feeding direction between the left and right mounting frames 59, 59 installed in parallel with the box feeding direction. The feed roller 60 ... is synchronously rotated in the box feed direction by the driving force of a feed motor (not shown) equipped with a speed reducer, and the corrugated cardboard box B placed on each feed roller 60. Transport in the feed direction. Further, the stopper 61 is provided at the box stop position set on the box feed conveyor 9 so as to be retractable, and the piston rod of the retractable cylinder 62 fixed to the lower portion of the same position is connected and fixed to the stopper 61. That is, the stopper 61 is projected and retracted on the transport surface by the operation of the retractable cylinder 62, and the corrugated cardboard box B transported on the box feed conveyor 9 is temporarily stopped by the stopper 61 at the box stop position.

A box elevating table 63 is provided to be movable up and down on the side of the box stop position set on the box feeding conveyor 9, and two hooks 63a, 6 projecting from the lower front end of the box elevating table 63 are provided.
3a are inserted between the respective feed rollers 60, and the piston rod of the box lifting cylinder 64 fixed vertically at the same position side is connected and fixed to the lower end of the box lifting table 63. That is, by the operation of the box raising / lowering cylinder 64, a rising position for supplying the cardboard box B to the insertion position where the packaging bag F held by the film holding mechanism 7 is loaded,
The box elevating table 63 is stopped up and down at the descending position where the box feeding conveyor 9 is immersed below the conveying surface.

Assuming that the illustrated embodiment is configured as described above, the laying operation of the packaging bag F by the bag laying apparatus 1 will be described below. First, as shown in FIGS. 1 and 2, the box feed conveyor 9 is rotationally driven in the box feed direction to move the cardboard box B supplied from the box making process (not shown) to the box stop position on the box feed conveyor 9. Transport to. At the same time, the retractable cylinder 62
, The cardboard box B assembled to open the upper surface
Is temporarily stopped by the stopper 61 at the box stop position.

At the time of feeding the film, pressurized air is injected into the feed-side starting end portion of the tubular film f by an appropriate injecting means such as an air gun, and the feed rolls 12 and 14 of the film feeding mechanism 2 are fed in the feeding direction. The cylindrical film f that is rotated and wound into a roll is continuously supplied on the feeding path, and each feed belt 3 of the film feed mechanism 5 is also provided.
7, 37 and the feed belts 40, 40 are synchronously rotated in the feeding direction, and are rotated until the leading end of the tubular film f reaches the opening position.

Next, at the same time when the leading end of the tubular film f reaches the opening position, the film feeding mechanism 2 and the film feeding mechanism 5 are stopped. Then, as shown in FIG. 3, the welding cylinder 18 of the film welding mechanism 3 is operated to heat-weld the tubular film f supplied to the welding position on the feeding path in the width direction by the heating head 20, By operating the cutting cylinder 31 of the film cutting mechanism 4 and cutting the heat-sealed tubular film f in the width direction with the film cutting blade 32, one packaging bag F is formed separately.

At the same time, the opening cylinders 43, 43 of the film opening mechanism 6 are actuated to bring the adsorbers 42, 42 into close contact with the upper and lower surfaces on the opening side of the tubular film f supplied to the opening position on the feeding path. Then, the upper and lower surfaces of the tubular film f on the opening side are suction-held by the negative pressure of the suction blowers (not shown) connected to the suction elements 42, 42. And the film holding mechanism 7
The frame rotating cylinder 45 is rotated to move the frame to a horizontal position (90 degrees) facing the input port Fa of the packaging bag F, which is appropriately sized by the film welding mechanism 3 and the film cutting mechanism 4 described above. The rotation of 44 and the bag holding frame 48 is stopped.

Next, as shown in FIG. 4, the raising and lowering cylinder 41 of the film feeding mechanism 5 is moved upward to separate the feeding belts 37, 37 and the feeding belts 40, 40 from each other at an appropriate interval. The welding cylinder 18 of the welding mechanism 3 and the cutting cylinder 31 of the film cutting mechanism 4 are operated to return, and the heating head 20 and the film cutting blade 32 are returned to their initial positions.

After that, the opening cylinders 43, 43 of the film opening mechanism 6 are returned to the original state, and the loading port F of the packaging bag F is loaded.
The a is adsorbed and held by the adsorbents 42, 42, and is opened in an appropriate size. At the same time, the frame moving cylinders 49, 49 of the film holding mechanism 7 are moved forward so that the packaging bag F opened by the film opening mechanism 6 has an opening Fa.
For each of the four folding claws 51 pivotally supported by the bag holding frame 48
... are inserted at the same time, the bag holding cylinder 53 is opened,
The four-folded claws 51 ... Hold the inlet Fa of the packaging bag F, which is opened to an appropriate size, once.

Next, as shown in FIG. 5, the frame-moving cylinders 49, 49 of the film holding mechanism 7 are moved backward,
The feeding port Fa of the packaging bag F opened to an appropriate size is retracted while being held by the four folding claws 51 ... The rotation of the movable frame 44 and the bag holding frame 48 is stopped in a downward posture facing the cardboard box B transported to the stop position. Thereafter, pressurized air is ejected from the jet nozzle 58 provided on the bag loading plate 57 of the film loading mechanism 8 to expand the packaging bag F held by the four folding claws 51 ... With pressurized air. .

Next, as shown in FIG. 6, the bag loading cylinder 56 is moved down to vertically insert the bag loading plate 57 into the packaging bag F expanded in all directions, and the bottom shape of the corrugated cardboard box B is formed. Spread the packaging bag F to the size corresponding to. At the same time, the box lifting cylinder 64 of the box feeding conveyor 9 is lifted to vertically lift the cardboard box B transported to the box stop position on the box feeding conveyor 9 by the box lifting table 63, and each of the four boxes is lifted. The bottom of the packaging bag F held by the folding claws 51 ...
Insert it into the cardboard box B placed on top, and lift the box 63
The bag loading plate 57 is pressed against the bottom surface of the cardboard box B placed on top, and the packaging bag F having an appropriate size is loaded and set in the cardboard box B.

During this period, the film feeding mechanism 2 and
Irumu welding mechanism 3, the film cutting Organization 4, film feed
The next film is driven by driving the mechanism 5 and the film opening mechanism 6.
It is advisable to open f.

After that, as shown in FIG. 7, the frame moving cylinders 49, 49 of the film holding mechanism 7 are moved down, and the insertion port Fa of the packaging bag F held by the four folding claws 51 ... To the outside, and the flaps Ba of the corrugated cardboard box B placed on the box elevating table 63 are inserted into the insertion ports Fa of the packaging bag F.
To set the coating.

On the other hand, the elevating cylinder 41 of the film feeding mechanism 5 is lowered to bring the feeding belts 37, 37 into contact with the feeding belts 40, 40, and then the film feeding mechanism 2 and the film feeding mechanism 5 are moved. It is driven to start feeding out and supplying the tubular film f wound in a roll shape.

Next, after the bag loading cylinder 56 of the film loading mechanism 8 is returned to return the bag loading plate 57 to the initial position, the frame moving cylinders 49, 49 of the film holding mechanism 7 are returned. And the bag-holding cylinder 53 is restored,
The bag holding frame 48 and the folding claws 51 ... Are returned to the initial positions. At the same time, the box lifting cylinder 6 of the box feed conveyor 9
4 is moved down to transfer the cardboard box B placed on the box elevator 63 onto the box feed conveyor 9.

After that, the retracting cylinder 62 is returned to the retracting state, the stopper 61 is retracted below the conveying surface, and the box feeding conveyor 9 is rotationally driven in the box feeding direction to move the corrugated box B already laid in the bag. Process (for example, bag filling process, bag sealing process,
It is transported and supplied to the box packaging process). Thereafter, in the same manner as described above, after transporting the next cardboard box B to the box stop position on the box feed conveyor 9, the respective mechanisms 2, 3, 4, 5, 6, 7, constituting the bag laying apparatus 1 are stopped. 8 are sequentially driven to lay and set a synthetic resin packaging bag F having an appropriate size in the corrugated cardboard box B.

As described above, the four folding claws 51 constituting the film holding mechanism 7 hold the opening Fa of the packaging bag F that is fed and fed in the horizontal direction, and then feed it to the lower portion of the same position. and since the diverted hanging posture is inserted into the corrugated board box B, labor and working such that horizontal movement remain adsorbed and held the packaging bag F as in the conventional apparatus that Do not required. Therefore, due to a suction error,
It is possible to prevent the packaging bag F from dropping.

The packaging bag F is opened in a horizontal position.
Therefore, the packaging bag F will never fall and
If one opening is defective, it can be opened again. So
On top of the packaging bag F with the opening Fa held in the opening Fa
Inserting work by changing the direction from horizontal to vertical
Therefore, while inserting the packaging bag F into the cardboard box B, the next package
The bag F can be opened. And this thing has a margin
In addition, it leads to a reliable opening of the packaging bag F, as described above.
This enables the opening operation again. Therefore,
Insertion work can be done reliably, improving the efficiency of each stage of bag laying work
Can be achieved.

Moreover, since the cardboard box B is covered with the four folding claws 51 ... While keeping the opening Fa of the packaging bag F open, the opening Fa of the packaging bag F is covered during bag covering. Since the bottom of the packaging bag F is pushed into the box shape by the bag loading plate 57 without being closed, the packaging bag F can be laid in an appropriate form corresponding to the inside and the outside of the corrugated cardboard box B. Since the laying work of the packaging bag F can be performed mechanically, it is possible to save labor and improve efficiency.

The packaging bag F is inserted into the cardboard box B.
Since the packaging bag F and the packaging bag were moved relative to each other,
It can be devised to make the stroke appropriately small. But
The cylinders 49, 49, 64 may be short,
It is possible to achieve a highly demanded miniaturization by lowering the height of.

Further, by vertically moving up and down on the side of the cardboard box B in the direction in which the packaging bag F is inserted, only one side of the packaging bag F is vertically moved up and down in the direction in which it is inserted into the cardboard box B. , The moving distance when the bag is inserted becomes shorter, and the packaging bag F
It is possible to significantly reduce the operation time required for the laying work, improve the processing capacity, and downsize the apparatus.

In the correspondence between the structure of the present invention and the above-described embodiment, the box body of the present invention corresponds to the corrugated cardboard box B of the embodiment, and hereinafter, similarly, the tubular package body is the tubular film f. Correspondingly, the bag body corresponds to the packaging bag F, the bag opening holding means corresponds to the film opening mechanism 6 and the respective adsorbents 42, 42, the film holding mechanism 7 and the respective folding claws 51 ... The means corresponds to the film feeding mechanism 2, the film feeding mechanism 5, the film welding mechanism 3, and the film cutting mechanism 4, and the bag opening means corresponds to the film opening mechanism 6 and the adsorbents 42, 42. The bag holding means corresponds to the film holding mechanism 7 and each folding claw 51, and the bag inserting means is
Cylinders 49, 49 for moving each frame of the film holding mechanism 7
, The box elevating table 63, and the box elevating cylinder 64, and the bag pushing means corresponds to the film loading mechanism 8 and the bag loading plate 57. However, the present invention is limited to the configuration of the above-described embodiment. It is not limited.

In the above embodiment, each of the four folding claws 51 is used.
The packaging bag F held by ... is vertically lowered, and the packaging bag F is covered and set on the corrugated box B placed on the box lifting / lowering table 63. For example, the packaging bag F is appropriately lifted by a ball screw mechanism or an air cylinder. The elevator 63 is lifted vertically and the box elevator 6
The packaging bag F may be covered and set on the corrugated cardboard box B placed on the box 3. Alternatively, the packaging bag F held by the four folding claws 51 ... And the corrugated cardboard placed on the box lifting table 63. Box B
You may move up and down mutually and set a coating.

Further, a laying method of injecting and expanding pressurized air discharged from the jet nozzle 58 into the packaging bag F held by the four folding claws 51 ... And holding the openings by the folding claws 51. A laying method of inserting and expanding the bag loading plate 57 in the packaging bag F, for example, laying one or both depending on a filling material (grain, powder, fluid) such as food, dye, and industrial product. You may choose a method.

[Brief description of drawings]

FIG. 1 is a side view showing a laying operation of a packaging bag by a bag laying device.

FIG. 2 is a front view showing a laying operation of a packaging bag by the bag laying device.

FIG. 3 is a side view showing the welding cutting operation of the tubular film by the film welding mechanism and the film cutting mechanism.

FIG. 4 is a side view showing the holding operation of the packaging bag by the film holding mechanism.

FIG. 5 is a side view showing a reversing operation of the packaging bag by the film holding mechanism.

FIG. 6 is a front view showing the loading operation of the packaging bag by the film loading mechanism.

FIG. 7 is a front view showing the folding operation of the packaging bag by the film holding mechanism.

FIG. 8 is a side view showing a laying operation of the packaging bag by the conventional device.

[Explanation of Codes] f ... Cylindrical film F ... Packaging bag Fa ... Input port B ... Cardboard box Ba ... Flap 1 ... Bag laying device 2 ... Film feeding mechanism 3 ... Film welding mechanism 4 ... Film cutting mechanism 5 ... Film feeding mechanism 6 ... Film opening mechanism 7 ... Film holding mechanism 8 ... Film loading mechanism 9 ... Box feeding conveyor 20 ... Heating head 32 ... Film cutting blade 42 ... Adsorber 51 ... Folding claw 57 ... Bag loading plate 58 ... Injection nozzle 63 ... Box Lift

Claims (3)

[Claims] 1. A box body assembled in a top open form,
A device for laying a bag body having a size corresponding to the inside of the box body, and bag feeding means for feeding and feeding the bag bodies of the appropriate size one by one in a horizontal direction along a feeding path. , The opening of the bag body is held in a size such that it covers the upper surface of the box body, and the opening is maintained in a horizontal position where the bag body is fed out, and the bottom part of the bag body with respect to the inside of the box body supplied below the position. inserted into the hanging position, the bag laying device equipped with a bag opening holding means for while turning in a state where an opening maintained. 2. Inside the box assembled in a top open form,
A device for laying a bag body formed in a size corresponding to the inside of the box body, wherein the tubular package body wound in a roll shape is formed into a bag shape,
And feeding supplies bag supply means one by one in a horizontal direction along the bag-like formed the bag body to feed path, sized to be coated inlet of the receptacle with respect to the box top, feed supply And a bag opening means for holding the opening in a horizontal position, and a bottom portion of the bag body is inserted into the inside of the box body supplied to the lower part of the opening position while holding the opening of the bag body in the opened state. In a hanging posture, bag holding means for changing the direction with the opening held, and bag inserting means for relatively moving the box body and the bag body in a direction in which the bag body is inserted into the inside of the box body, A bag laying device comprising a bag pushing means for shaping the bottom portion of the bag body inserted into the box body into a size corresponding to the inside of the box body. 3. The bag inserting means is constructed so as to vertically elevate the box body supplied to the lower portion of the position in a direction in which the bag body whose direction is changed to the hanging posture by the bag holding means is inserted. Bag laying device.