JPH06255628A - Device for placing bag - Google Patents

Abstract

PURPOSE:To reduce the labor for bag-placing work and improve the efficiency thereof by a method wherein a feed mouth of a bag is opened to such a size as to cover the upper surface of a box and the bag is turned to a vertically suspended direction so that the bottom of the bag can be inserted into the box positioned below the bag, whereby the bag can be inserted surely into the box. CONSTITUTION:A feed mouth of a bag F which is drawn out and supplied in a horizontal direction is opened and held and thereafter the mouth is turned to a suspended position so that the bottom of the bag F is inserted into a box B positioned thereunder. As a result, the bag F is moved horizontally, while it is being sucked and held, and the bag F is turned to a different direction, while the mouth thereof is opened and held, with the result that the bag F is surely inserted into the box B, thereby improving efficiency of placing work of the bag. Furthermore, in the covering of the bag, the bottom of the bag F is pushed and formed into a box-like shape, with the result that the bag F can be placed in an appropriate form corresponding to the interior and exterior of the box and placing work of the bag F can be performed mechanically.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention lays a bag made of synthetic resin or paper inside a box which is assembled in a top open form, such as a box made of corrugated cardboard or a box made of synthetic resin. The present invention relates to a bag laying device used for work.

[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. Is supplied in the vertical direction, and is welded in the width direction by the heating head 70 arranged at the lower part of the supply position, and cut in the width direction by the cutting cutter 71 to form the packaging bag F of an appropriate size. At the same time, the left and right adsorbents 72, 72 arranged at the lower part of the feeding position adsorb and hold both side surfaces on the opening side of the packaging bag F, and the adsorbents 72, 72 are laterally separated from each other. The insertion port Fa is opened to an appropriate size. After that, the suction bag 72 is horizontally moved to the upper side of the cardboard box B while the packing bag F is suction-held by the left and right suction members 72, 72.
The packaging bag F sucked and held at 2, 72 is inserted into the corrugated cardboard box B, and the insertion port Fa of the packaging bag F is inserted into the corrugated cardboard box B.
There is a device laid in a state of covering each flap Ba.

[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. Moreover, when the packaging bag F sucked and held by the respective suction elements 72, 72 is horizontally moved above the corrugated cardboard box B, the packaging bag F may drop due to its own weight. It is difficult to move horizontally while it is adsorbed and held.

When the inlets Fa of the packaging bag F sucked and held by the left and right adsorbents 72, 72 are covered by the flaps Ba of the corrugated cardboard box B, the packing force is greater than the adsorbing force of the adsorbents 72, 72. If the contact resistance between the bag F and the corrugated cardboard box B is large, the packaging bag F may fall off from each of the adsorbents 72, 72, and at the time of coating, the input port Fa of the packaging bag F may be deformed or the packaging bag F may be deformed. There is a problem that it is difficult to cover the corrugated board box B in a state where the packaging bag F having an appropriate size is adsorbed and held, because the insertion port Fa of F protrudes from the corrugated board box B. is doing.

In view of the above-mentioned problems, the present invention opens the bag body that is fed out and supplied in the horizontal direction, and then changes the direction of the bag body so that the bag body is inserted into the inside of the box body at the same position. An object of the present invention is to provide a bag laying device capable of surely inserting the bag body into the inside thereof, saving labor in the bag laying work, and improving efficiency.

[0006]

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 hold the opening of the bag body to a size that covers the upper surface of the box body, and change the direction to a drooping posture in which the bottom part of the bag body is inserted into the inside of the box body supplied to the lower part of the same position. It is a bag laying device including a bag opening holding means.

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,
Bag feeding means for feeding and feeding the bag-shaped bag bodies one by one in the horizontal direction along the feeding path, and holding the opening of the bag body in a size to cover the upper surface of the box body. The bag opening means and the bag holding means for holding the opening of the bag in an opened state and for changing the direction to a drooping posture in which the bottom of the bag is inserted into the inside of the box supplied below the opening position. A bag inserting means for moving the bag body relative to each other in the up-and-down direction with respect to the inside of the box body, and a bottom portion of the bag body inserted into the box body having a size corresponding to the inside of the box body. The bag laying apparatus is provided with a bag pushing means for shaping the bag.

[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. Since the bag holding means is driven to change the direction of the bottom portion of the bag body to the hanging posture to be inserted into the box body while keeping the opening of the bag body open, the bag body with respect to the inside of the box body is changed. The insertion work can be performed reliably, and the efficiency of bag laying work can be improved.

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 size so as to cover the upper surface of the box body, and the bag holding means is driven to the inside of the box body supplied to the lower part of the same position. The direction is changed to the drooping posture in which the bottom of the bag is inserted. 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 portion of the bag body inserted into the box body into a box shape, so that the bag body laying operation can be performed mechanically.

[0010]

According to the present invention, after holding the opening of the bag body which is fed and supplied in the horizontal direction, the bag body is placed in the drooping posture in which the bottom portion of the bag body is inserted into the inside of the box body at the same position. Since the direction of the bag is changed, it does not require the labor and work of moving the bag body in a state where the bag body is sucked and held as in the conventional device, and the direction of the bag body is changed while the opening of the bag body is held open. The bag can be inserted into the inside securely, and the efficiency of bag laying can be improved.

Moreover, since the upper surface of the box body is covered while the opening of the bag body is kept open, the bag body does not deform or protrude outside the box when the bag is covered. Since the bottom part of the bag body is pressed and shaped into a box shape, the bag body can be laid in an appropriate form corresponding to the inside and outside of the box body, and the bag body laying work can be performed mechanically. It is possible to save labor and improve efficiency.

[0012]

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 a packaging bag F formed in an appropriate size at the opening position on the same path, and a film opening mechanism for opening a loading port Fa of the packaging bag F supplied at the opening position on the same path 6 and the insertion opening Fa of the packaging bag F, which is opened to an appropriate size, is held, and the bottom portion of the packaging bag F is inserted into the cardboard box B supplied to the insertion position at the lower part of the same position. Film holding mechanism 7 that is turned 90 degrees
And a film loading mechanism 8 for loading the packaging bag F into the cardboard box B supplied to the insertion position while keeping the packaging bag F open.
And a box feed conveyor 9 for supplying the cardboard box B assembled in the open top form to the insertion position.

In the film feeding mechanism 2 described above, a cylindrical film f made of synthetic resin and formed in a long dimension is wound in a roll shape, and the roll holder 10 disposed on the lower side 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 cylinder 17 is installed above the welding position set on the feeding path, orthogonal to the film feeding direction, and fixed to the center of the upper surface of the mounting frame 17 for welding. 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 type cutting cylinder 31 fixed to the mounting plate 30. A film cutting blade 32 formed slightly longer than the width of the tubular film f is vertically movably connected. That is, the cutting cylinder 3
By the operation of 1, the above-mentioned heating head 20 and each pressing plate 2
The film cutting blade 32 is moved up and down to a raised position for cutting the tubular film f held between 4 and 25 and a lowered position for allowing the feeding operation of the tubular film f.

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 arranged 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.

The above-described 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 attached.
When the tubular film f is adsorbed and held by the negative pressure of the suction blower (not shown) connected to the adsorber 4 and the admission port Fa of the tubular film f is held by the film holding mechanism 7 described later, each adsorber 4
Negative pressure of a suction blower (not shown) connected to Nos. 2 and 42 is cut off or stopped to release the suction holding of the tubular film f.

The above-mentioned film holding mechanism 7 has a loading port Fa for the packaging bag F opened by the above-mentioned film opening mechanism 6.
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 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 installed above the insertion position for loading the packaging bag F held by the film holding mechanism 7 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 feed conveyer 9 is provided with a plurality of feed rollers 60 ... At predetermined intervals in the box feed direction between the left and right mounting frames 59, 59 installed in parallel with the box feed 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 lift base 63 is provided on the side of the box stop position set on the box feed conveyor 9 so as to be lifted up and down, and two hooks 63a, 6 projecting from the lower front end of the box lift base 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.

Further, each of the feed rolls 12 and 14 of the film feeding mechanism 2 is rotated in the feeding direction so that the cylindrical film f wound in a roll shape is continuously fed on the feeding path, and at the same time, of the film feeding mechanism 5. The feed belts 37, 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, The cutting cylinder 31 of the film cutting mechanism 4 is operated to cut the heat-sealed tubular film f in the width direction with the film cutting blade 32.

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 hold the bag in a lateral 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 the frame 48 is stopped.

Next, as shown in FIG. 4, the raising / 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 restored to operate, and the loading port F of the packaging bag F is opened.
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.
4 of the folding claws 51 ... Are simultaneously inserted, and the bag holding cylinder 53 is opened to temporarily insert the opening Fa of the packaging bag F having an appropriate size into the 4 folding claws 51. Hold.

Next, as shown in FIG. 5, the respective frame moving cylinders 49, 49 of the film holding mechanism 7 are retracted,
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 bag holding frame 48 is stopped to rotate in a downward posture facing the cardboard box B conveyed 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 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.

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 and 37 into contact with the feeding belts 40 and 40, and then the film feeding mechanism 2 and the film feeding mechanism 5 are connected. 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, each frame moving cylinder 49, 49 of the film holding mechanism 7 is 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 position, the stopper 61 is retracted below the conveying surface, and then the box feeding conveyor 9 is driven to rotate in the box feeding direction, so that the corrugated box B already laid in the bag is moved to the next position. 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 which is fed and fed in the horizontal direction, and then is fed to the lower portion of the same position. Since the direction is changed to the drooping posture in which the packaging bag F is inserted into the corrugated cardboard box B, the labor and work of horizontally moving the packaging bag F with the suction holding the packaging bag F unlike the conventional device is unnecessary, and the packaging bag F is loaded. Since the direction is changed while the opening Fa is held open, the work of inserting the packaging bag F into the cardboard box B can be reliably performed.

Moreover, since the cardboard box B is covered by 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 pressed into a box shape without being deformed or protruding outside the box, the cardboard box B
Since the packaging bag F can be laid in an appropriate form corresponding to the inside and the outside of the packaging bag, and the laying operation of the packaging bag F can be performed mechanically, labor can be saved and efficiency can be increased.

In the correspondence between the constitution of the present invention and the above-mentioned embodiment, the box body of the present invention corresponds to the corrugated cardboard box B of the embodiment, and hereinafter, similarly, the tubular package 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
Although it corresponds to 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, the present invention is limited to the configuration of the above-described embodiment. is not.

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
It is also possible to relatively move and to set the coating.

[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 symbols]

 f ... Cylindrical film F ... Packaging bag Fa ... Input port B ... Corrugated 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 feed conveyor 20 ... Heating head 32 ... Film cutting blade 42 ... Adsorbent 51 ... Folding claw 57 ... Bag loading plate 58 ... Injection nozzle 63 ... Box lifting platform

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[Procedure amendment]

[Submission date] May 28, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] Full text

[Correction method] Change

[Correction content]

[Document name] Statement

Title of invention Bag laying device

[Claims]

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to, for example, corrugated paper.
The present invention relates to a bag laying device used for laying a bag made of synthetic resin or paper inside a box made of an appropriate material such as or synthetic resin .

[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. the vertically while feeding supply, welded tubular film f in the width direction in a heating head 70 which is disposed at the same position the upper, tubular fill in the cutting cutter 71 is disposed at the same position the lower part
The bag f is cut in the width direction to form one packaging bag F separately . At the same time, each Kyuchakuko left and right is disposed in the peer置下section 7
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. Thereafter, the packaging bag F horizontally moved in a cardboard box B above remain adsorbed and held by the left and right each Kyuchakuko 72, the same each Kyuchakuko 72
That there is inserted <br/> to that equipment packaging bag F by releasing the suction and holding in a cardboard 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. Moreover, the packaging bag F adsorbed and held by the adsorbents 72, 72 may drop during movement,
The insertion port Fa of the packaging bag F is closed when the packaging bag F is inserted into the box B.
In order to do this, place the packaging bag F inside the cardboard box B.
It is really difficult to insert. And after inserting the bag
The laid state of the packaging bag F inserted in the corrugated box B.
If the work efficiency is poor, it must be corrected by the operator.
There is a problem.

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. If, turning the hanging posture in which the bottom of the bag body inlet of the receptacle opening held sized to be coated with respect to the box top, relative to the box interior, which is supplied to the lower the position is inserted It is a bag laying device including a bag opening holding means.

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,
Bag feeding means for feeding and feeding the bag-shaped bag bodies one by one in the horizontal direction along the feeding path, and holding the opening of the bag body in a size to cover the upper surface of the box body. The bag opening means and the bag holding means for holding the opening of the bag in an opened state and for changing the direction to a drooping posture in which the bottom of the bag is inserted into the inside of the box supplied below the opening position. And in the direction in which the bag body is inserted into the box body ,
Bag laying provided with a bag inserting means for relatively moving the box body and the bag body, and 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. It is a device.

The bag laying device according to claim 3 of the present invention is
In addition to the structure according to claim 2, the bag inserting means
The bag body whose direction has been changed to the drooping posture by the bag holding means.
Vertically ascending / lowering the box supplied to the lower part of the position.
The bag laying device according to claim 2, which is configured to
Characterize.

[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. Since the bag holding means is driven to change the direction of the bottom portion of the bag body to the hanging posture to be inserted into the box body while keeping the opening of the bag body open, the bag body with respect to the inside of the box body is changed. The insertion work can be performed reliably, and the efficiency of bag laying work can be improved.

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 size so as to cover the upper surface of the box body, and the bag holding means is driven to the inside of the box body supplied to the lower part of the same position. The direction is changed to the drooping posture in which the bottom of the bag is inserted. 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 portion of the bag body inserted into the box body into a box shape, so that the bag body laying operation can be performed mechanically.

A bag laying apparatus according to claim 3 of the present invention is
In addition to the action of claim 2, the bag holding means
Insert the bag after changing the direction of the bag holding the opening to the hanging posture.
Drives the means to raise the bag held by the bag holding means vertically.
Since it is inserted inside the box, the travel distance when inserting the bag is short.
Drastically shortens the operation time required for laying bags
To be done.

[0011]

According to the present invention, after holding the opening of the bag body which is fed and supplied in the horizontal direction, the bag body is placed in the drooping posture in which the bottom portion of the bag body is inserted into the inside of the box body at the same position. Since the direction of the bag is changed, it does not require the labor and work of moving the bag body in a state where the bag body is sucked and held as in the conventional device, and the direction of the bag body is changed while the opening of the bag body is held open. The bag can be inserted into the inside securely, and the efficiency of bag laying 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 boxed. 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 box side is hung down in the direction in which the bag body is inserted.
By raising and lowering directly, only one bag side can be
When inserting a bag, rather than vertically elevating in the direction of insertion
When the movement required for laying the bag is shortened,
The processing time is greatly shortened, the processing capacity is improved and the device is downsized.
Can be achieved.

[0014]

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.

The film feeding mechanism 2 described above winds a cylindrical film f made of a synthetic resin formed in a long dimension in a roll shape, and the roll holder 10 disposed at the lower portion of the feeding side carries 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 cylinder 17 is installed above the welding position set on the feeding path, orthogonal to the film feeding direction, and fixed to the center of the upper surface of the mounting frame 17 for welding. 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 in a direction orthogonal to the feeding direction, and is mounted on a rodless type cutting cylinder 31 fixed to the mounting plate 30. , The film cutting blade 32 formed slightly longer than the width of the tubular film f is left.
It is mounted so that it can be moved to the right . That is, the operation of the cutting cylinder 31 causes the heating head 20 and the pressing plates 2 described above.
Cut the tubular film f held between 4 and 25
The film cutting blade 32 is moved left and right in the direction .

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 arranged 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.

The film opening mechanism 6 described above 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 attached.
Suction blower connected to the tubular film f at negative pressure (not shown) is held by suction, wrapped in the film holding mechanism 7 to be described later
When the inlet Fa of the bag F is held, each of the adsorbents 42, 4
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 above-mentioned film holding mechanism 7 has a loading port Fa for the packaging bag F opened by the above-mentioned film opening mechanism 6.
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.

In addition, the bag holding frames 48 are slidably mounted on the guide rails 47, 47 installed 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 return 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.

The above-mentioned film loading mechanism 8 has a mounting frame 55 installed above the insertion position for loading the packaging bag F held by the above-mentioned film holding mechanism 7 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 feed conveyer 9 is provided with a plurality of feed rollers 60 ... At predetermined intervals in the box feed direction between the left and right mounting frames 59, 59 installed in parallel with the box feed 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.

In addition, a box lift base 63 is provided to be movable up and down on the side of the box stop position set on the box feed conveyor 9, and two hooks 63a, 6 projecting from the lower front end of the box lift base 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.

Moreover, at the time of feeding the film, air is used.
Start the tubular film f on the feed side by an appropriate injection means such as a gun.
Pressurized air is injected into the end portion, each of the feed rolls 12 and 14 of the film feeding mechanism 2 is rotated in the feeding direction, and the tubular film f wound in a roll shape is continuously supplied on the feeding path, Each feeding belt 3 of the film feeding mechanism 5
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 front 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 / 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, and the film is fed. 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 operating state, and the loading port F of the packaging bag F is opened.
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.
Each folded in four was axially supported by the bag holding frame 48 for the pawl 51
... 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 respective frame moving cylinders 49, 49 of the film holding mechanism 7 are retracted,
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.

After this, as shown in FIG. 7, the frame moving cylinders 49, 49 of the film holding mechanism 7 are moved down, and the insertion opening 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, the bag loading cylinder 56 of the film loading mechanism 8 is returned to the original position to return the bag loading plate 57 to the initial position, and then 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.

Thereafter, the retracting cylinder 62 is returned to the retracted state, the stopper 61 is retracted below the conveying surface, and then the box feeding conveyor 9 is driven to rotate in the box feeding direction, so that the corrugated box B already laid in the bag is next moved. 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 open and hold the loading port Fa of the packaging bag F which is fed and fed in the horizontal direction, and then is fed to the lower portion of the same position. Since the direction is changed to the drooping posture in which the packaging bag F is inserted into the corrugated cardboard box B, the labor and work of horizontally moving the packaging bag F with the suction holding the packaging bag F unlike the conventional device is unnecessary, and the packaging bag F is loaded. Since the direction is changed while the opening Fa is held open, the work of inserting the packaging bag F into the cardboard box B can be reliably performed.

Moreover, since the corrugated box B is covered by 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. without or closed, the bag loading the bottom portion of the packaging bag F
Since the plate 57 is pressed and shaped into a box shape, the packaging bag F can be laid in an appropriate form corresponding to the inside and outside of the corrugated cardboard box B, and the laying operation of the packaging bag F can be performed mechanically. It is possible to save labor and improve efficiency.

In addition, in the direction in which the packaging bag F is inserted
By vertically moving up and down the box B side, only one packaging bag F side
Vertically elevates in the direction of insertion with respect to the corrugated box B
The moving distance when inserting the bag is shorter than that of the method, and the packaging bag F
The operation time required for the installation work of the
It is possible to improve power and downsize the device.

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 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
Compatible with the box lifting platform 63 and the box lifting cylinder 64
The bag pushing means corresponds to the film loading mechanism 8 and the bag loading plate 57, but the present invention is not limited to the configuration of the above-described embodiment.

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, the opening is maintained by the four folding claws 51 ...
Pressurized air discharged from the injection nozzle 58 into the held packaging bag F.
With the laying method of injecting and expanding
The bag loading plate 57 is inserted into the packaging bag F held in the opening and expanded.
The method of laying the food, dyes, industrial products, etc.
Laying one or both depending on the filler (particles, powder, fluid)
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

[Procedure Amendment 2]

[Document name to be corrected] Drawing

[Correction target item name] Figure 8

[Correction method] Change

[Correction content]

[Figure 8]

Claims (2)

[Claims] 1. A box body assembled in a top open form,
An apparatus 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 having the appropriate size one by one in a horizontal direction along a feeding path. , Holding the opening of the bag body in such a size as to cover the upper surface of the box body, and changing the direction to a drooping posture in which the bottom part of the bag body is inserted with respect to the inside of the box body supplied to the lower part of the same position. A bag laying apparatus including a bag opening holding means. 2. Inside the box assembled in a top open form,
A device for laying a bag body having a size corresponding to the inside of the box body, wherein the tubular package body wound in the roll shape is formed into a bag shape, and the bag body formed into the bag shape is formed. Bag feeding means for feeding one by one horizontally along the feeding path,
Bag opening means for opening and holding the input port of the bag body in a size to cover the upper surface of the box body, and a box supplied to the lower part of the opening position while holding the input port of the bag body in an open state Bag holding means for changing the direction to a drooping posture in which the bottom of the bag is inserted into the inside of the body, and bag inserting means for moving the bag relative to each other in the vertical direction in which the bag is inserted into the inside of the box, 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.