JPH0741885B2 - Method and apparatus for manufacturing collective packaging box - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a collective package in which a plurality of rectangular parallelepiped unit packaging boxes (hereinafter, simply referred to as packaging boxes) forming one unit are assembled and connected by a connecting piece. The present invention relates to a box manufacturing method and a box manufacturing apparatus.

[Conventional technology]

As shown in FIG. 16, a packaging box X having a required gap between the front edges of the pair of outer flaps d is shown in FIG.
It is disclosed in Japanese Utility Model Publication No. 62-36738 that a plurality of outer flaps d are gathered in the same direction and a connecting piece e is adhered to the inner flap c of the gathered packaging boxes A to form a gathering packaging box Y. Have been described.

Here, the connecting piece e has a width that fits between the opposite edges of the outer flaps d that face each other of the packaging box X, and the length over the entire length of the plurality of packaging boxes X that are overlapped with each other, and the thickness. Is
It is equal to the thickness of the outer flap d.

Therefore, the end surfaces of the collective packaging box Y are held flat by bonding the connecting pieces e together.

[Problems to be Solved by the Invention]

By the way, when manufacturing the collective packaging box Y as described above, the plurality of packaging boxes X are arranged in the same direction, and then the connecting piece e is formed.
Since it is necessary to bond these together, and in the past, these tasks have been performed manually inefficiently, there is a disadvantage that it is very time-consuming and it is not possible to obtain uniform products with high quality and accuracy. It was In addition, since each of the packaging boxes X stores appropriate products, it is relatively heavy,
It was difficult to handle and there was a problem in workability.

Therefore, it is an object of the present invention to provide a manufacturing method and an apparatus therefor, which solve the above-mentioned inconveniences and can automatically and efficiently manufacture a collective packaging box.

[Means for Solving the Problems]

In order to solve the above problems, in the first invention,
A box having a pair of inner flaps at the top and bottom of the openings on both sides of the rectangular tube and a pair of outer flaps on the left and right stores the product inside from the opening side, and after folding the pair of inner flaps The step of bending the outer flaps of and forming a unit packaging box having a predetermined gap between the front edges of the outer flaps by fixing the overlapping flaps to each other; Rotate by ∘ to assemble multiple unit packaging boxes so that the distance between the outer flap tips is continuous, and use a connecting piece with a length that spans the inner flap of the multiple unit packaging boxes as the inner flap. That is, a structure including a fixing process was adopted.

Further, in the second invention, the box body has a pair of inner flaps on the upper and lower sides of the opening of both sides of the quadrangular cylinder, and a box having a pair of outer flaps on the left and right sides, which is a conveyor path for conveying the box body. The product filling device that fills the product from the side of the opening and the pair of inner flaps are bent, and then the pair of outer flaps are bent and fixed to each other. And a sealing device for forming unit packaging boxes having a space of, and a feeding device for inverting the unit packaging boxes on the transport conveyor by 90 ° in the transport direction and feeding it onto the support member at the carry-out end of the transport conveyor. , A plurality of unit packaging boxes are assembled on the support member so that the intervals between the outer edges of the outer flaps of the unit packaging boxes are continuous, and the lengths of the plurality of assembled unit packaging boxes span the inner flaps. Stick one piece on the inner flap It had adopted a structure in which a connecting piece attaching apparatus.

〔Example〕

Embodiments of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a flow chart showing a state in which a flat folded box A is assembled and a collective packaging box Y is formed.
Here, the box A has a cylindrical body B formed by a pair of side plates a and a pair of end plates b, inner flaps c formed at both end edges of each side plate a, and outer flaps formed at both end edges of each end plate b. A flap d is provided.

FIG. 2 is a front view showing the assembling apparatus of the collective packaging box Y, and FIG. 3 is a plan view thereof. This assembling apparatus is composed of a sheet feeding section 1, a box making section 20, a conveying section 80, a collecting section 90, and an unloading conveyor 190.

The sheet feeding unit 1 forms a hopper 4 with a belt conveyor 2 and a pair of guide plates 3 provided on both sides of the belt conveyor 2, and the flat boxes A arranged in the hopper 4 are moved to the hopper by the movement of the conveyor 2. 4 is fed into the guide frame 5 provided at the outlet of the front end of the box 4, and the box A is prevented from coming off by a stopper piece 6 provided at the opening of the guide frame 5.

Further, the box body A stopped by the stopper piece 6 is adsorbed by the sucker 7, and the sucker 7 is swung downward around the shaft 8 provided below the guide frame 5 and taken out from the guide frame 5. Chain conveyor 9 in which A is arranged in parallel
It is adapted to descend to the upper part and be sent to the box-making part 20 in front by the movement of the push claw 11 attached to the chain 10 of the chain conveyor 9.

On both sides of the pair of chain conveyors 9, the conveyor 9
A pair of inner rails 12 that support both ends of the cylindrical body B of the box A conveyed by the outer rail 13 that guides the box A by abutting the flaps c and d on the outer side of the inner rail 12.
Is provided. The outer rail 13 extends long toward the box-making section 20.

The box making unit 20 includes a pair of guide rails 21 extending to the inner rails 12 of the paper feeding unit 1. This guide rail 21 is an inner rail
22 and an outer rail 23, and the outer rail 23 is arranged on an extension line of the inner rail 12 of the paper feeding unit 1.

Between the pair of rails 22, 23 of the guide rail 21, two chain conveyors 24 ', 24 "for moving the box main body along the guide rail 21 are provided, and the two chain conveyors 24', A plurality of push plates 26 are attached to the chain 25 of one chain conveyor 24 'of the 24 "at equal intervals.
In addition, the chain 25 of the other chain conveyor 24 ″ has a receiving plate 2
6'is attached, and the distance between the receiving plate 26 'and the push plate 26 is
It is almost equal to the width dimension of the side plate a of the cylinder A. The chain conveyors 24 'and 24 "are intermittently fed by a drive device (not shown) in the arrow direction of FIG.

On the carry-in side of the chain conveyor 24, there is provided a stopper 27 that can be retracted and retracted with respect to the upper surface of the guide rail 21.
27 is a guide rail when the box A is sent on the guide rail 21.
The box A is stopped by projecting upward from the upper surface of 21.

A shaping arm 28 is provided on the carry-in side of the stopper 27, and a stopper is provided between the shaping arm 28 and the stopper 27.
An opening device 30 for forming a box A stopped by 27 into a multi-cylinder shape is provided.

4 and 5 show the box opening device 30. The box opening device 30 includes a lower presser pawl 31, an upper presser pawl 32 and an open pawl 33.
And each of these pawls is moved up and down by cylinders 34, 35, 36.

The lower pressing claw 31 is provided below the transfer path of the box A, while the upper pressing claw 32 and the opening claw 33 are sequentially provided in the transfer direction of the box A above the transfer path.

In the box opening device 30 having the above configuration, the upper pressing claw 32
When the box A is fed below the opening claw 33, the opening claw 33 descends and pushes down the outer flap d on the upper side of the box A. Since the box A is moved further forward than that and abuts against the stopper 27, the upper pressing claw 32 and the opening claw 34 are provided.
Of each of the above intrudes into the lower side of the inner flap c from between the upper outer flap d and the upper inner flap c. When the box A comes into contact with the stopper 27 and stops, the lower presser pawl 31 rises and holds the inner flap c on the lower side of the box A with the upper presser pawl 32, and the open pawl 33 rises from that. Upper inner flap c
Push up to open the box A in a half-open state.

The shaping arm 28 is rotatably supported by the guide rail 21 via a pin 28 'and is rotated by a cylinder 29.
The shaping arm 28 is located below the upper surface of the guide rail 21 when the box A is fed toward the stopper 27,
When the box A is opened in a half-open state by the box opening device 30, it is rotated upward and held in a substantially vertical state.
Therefore, the end plate b held in the inclined state of the box A is pushed by the shaping arm 28 and formed into a rectangular tube shape.

The box A that has been opened is conveyed forward by the operation of the feeding device 40 provided above it. The feeder 40 is provided with a guide rod 41 above the transfer path of the box A, which is long in the transfer direction of the box, and a pin 43 is projected on a slide lock 42 which is moved along the guide rod 41. A push claw 44, which is rotatably supported around 43, is rotated by a cylinder 45.

In the feeding device 40, when the shaping arm 28 opens the box A, the pushing claw 44 rotates downward, and the pushing claw 44 moves downward.
Is engaged with the rear end plate b of the box A, the slide lock
42 moves in the transfer direction of the box A. Therefore, the box A is conveyed forward by the push claw 44. At this time, the stopper 27 does not descend to prevent the movement of the box A, and the box opening device
The lower presser pawl 31 of 30 is lowered, and further the upper presser pawl 32 and the opening pawl 33 are lowered to a position where the lower inner flap c is pushed down.

Therefore, the inner flap c on the lower side of the box A is released from being pushed down by the upper pressing claw 32 and the opening claw 33 by the movement of the box A.

Also, when the box A is sent out by the feeding device 40,
The pair of chain conveyors 2 shown in FIGS. 2 and 3.
4'and 24 "move simultaneously, the push plate 26 engages with the rear end plate b of the box A, and the receiving plate 26 'engages with the front end plate b of the box A to move the box A forward. Move a fixed stroke.

As shown in FIG. 3, a product filling device 50 is provided on the side of the stop position of the box A that is intermittently sent forward by the chain conveyor 24. The product filling device 50 pushes the product w supplied on the product support table 51 into the box A by a pusher 52 which is movable toward the box A. Reference numeral 53 indicates a cylinder for moving the pusher.

When the product is filled, a pair of inner flap c and outer flap d
When the item is tilted inward, the filling of the product is hindered. Therefore, it is preferable to bend the inner flap c and the outer flap d outward when the product is filled. As a flap bending device, for example, as shown in FIGS. 6 and 7, an L-shaped arm 57 rotatably supported about a shaft 56 is rotated by a cylinder 58, and the tip of the arm 57 is rotated. It is possible to use the one that pushes the flap outward with. In this case, the arm 57 is attached to the inner flap c.
And the outer flap d.

The box A filled with the products is further conveyed forward by the chain conveyors 24 'and 24 "shown in FIGS. 2 and 3 and sent to a sealing device for applying an adhesive and bending the flap. The sealing device is provided with a pair of nozzles 59 above and below the conveying path so that the adhesive can be sprayed on the upper and lower surfaces of the pair of inner flaps c.
Indicates the adhesive sprayed by the nozzle 5.

A bending device 60 for the inner flap c and a bending device for the outer flap d are provided on both sides of the stop position of the box A coated with the adhesive.
64 are provided.

Here, as the folding device 60 for the inner flap c, the one shown in FIG. 8 can be adopted. This folding device 60
A flap bending arm 62, which is rotatably supported about a support shaft 61, is rotated about the support shaft 61 by the operation of a cylinder or the like, and a roller 63 provided at the tip of the bending arm 62 is rotated. The inner flap c is folded inward by 90 °.

On the other hand, as a bending device 64 for the outer flap d, as shown in FIG. 9, a cylinder 67 is attached to a bracket 66 rotatably supported about a support shaft 65, and a holding plate is attached to a piston rod of the cylinder 67. 68 is attached, and the bracket 66 is rotated by the operation of a cylinder (not shown) to bend the outer flap d inward by the pressing plate 68, and then the cylinder 67 is operated, and the outer flap d is moved inward by the pressing plate 68. It is possible to employ a device that is pressed against the flap c.

The outer flap d of the box A is bent inward after the inner flap c is bent and joined to the surface of the inner flap c to form a sealed packaging box X.

As shown in FIG. 8, a shaping plate 70 that is vertically moved by a cylinder 69 is provided so as to face the end of the upper side plate a of the box A,
After the inner flaps c are bent, the shaping plate 70 pushes down the end portions of the side plates a, so that a pair of inner flaps c is formed.
Since the side edges of the can be abutted against each other, the packaging box X with high assembly accuracy can be obtained.

The packaging box X formed on the pair of chain conveyors 24 ', 24 "is fed onto the carry-out conveyor 71 connected to the conveyors 24', 24", as shown in FIGS. 2 and 3. The carry-out conveyor 71 conveys the sheet further forward and sends it to the conveying section 80.

The transport unit 80 includes a first conveyor 81 and a second conveyor 82. The first conveyor 81 is a roller conveyor, and each roller 82 'is rotated in one direction by a motor (not shown).

The package box carrying-in end of the roller frame 83 of the roller conveyor 81 is rotatably supported by a shaft 84, and is rotated about the shaft 84 by the operation of a cylinder 85 connected to the carrying-out end.

The roller conveyor 81 is usually arranged in an inclined shape with a downward slope toward the carry-out end, and is provided in front of the carry-out end.
86 is provided. For this reason, the packaging box X that has been sent onto the roller conveyor 81 and conveyed forward has the above stopper.
Holds stopped by 86.

The packaging box X in the stopped state is sent to the front second conveyor 82 by operating the cylinder 85 and lifting the carry-out end of the roller conveyor 81 upward. In this case, the packaging boxes X are sent one by one.

The second belt conveyors 82 are arranged in parallel at intervals so that both ends of the lower surface of the packaging box X can be supported, and a pair of nozzles are provided above the transfer path of the packaging box X that is transported forward by the second belt conveyor 82. 87 are provided. This nozzle 87
When the packaging box X moves below it, the packaging box X
Spray the adhesive on both ends of the upper surface of the. G shown in FIG. 1 is
The adhesive layer is shown.

The packaging box X sent to the second conveyor 82 is divided into a plurality of blocks into blocks, and when the packaging box X at the tip of each block passes below the nozzle 87, the adhesive is not sprayed, The spray of the nozzle 87 is controlled so that the adhesive is sprayed to the subsequent packaging box X.

The packaging box X conveyed forward by the second conveyor 82 is
The second conveyor 82 is fed from the carrying-out end of the second conveyor 82 through the feeding device 100 to the collecting portion 90 in front thereof.

As shown in FIGS. 1 and 2, the collecting portion 90 includes a pair of supporting members 91 made of a metal plate. The pair of support members 91 are provided in parallel with each other at an interval capable of supporting the packaging box X, and an arc-shaped plate 92 is formed at an end portion on the receiving side of the packaging box X. The arc-shaped plate 92 is the second conveyor. The packaging box X, which faces the carry-out end of 82, is sent to the carry-out end by the second conveyor 82, and is stopped by the arc-shaped plate 92. The packaging box X in this stopped state has a feeding device provided below it.
By the operation of 100, it is fed onto the support member 91 while being rotated by 90 ° in the transfer direction.

The feeding device 100 is provided on the inner side of each arcuate plate 92, as shown in FIGS. 10 and 11. The feeding device 100 is a drive shaft provided at one end of a crank arm 101.
The arc-shaped plate 92 is rotatably supported at the arc-shaped center of the arc-shaped plate 92, and the rear end of the L-shaped arm 103 is rotatably connected to the other end of the crank arm 101 by a pin 104.

Further, a rod connecting piece 105 is provided at the rear end of the arm 103,
An upper portion of the rod 106 is connected to the rear end portion of the rod connecting piece 105, and a pin 107 provided on the lower portion of the rod 106 is rotatably supported by an appropriate fixing member.

The drive shaft 102 of the feeding device 100 configured as described above is rotated by a drive device (not shown). Its drive shaft 10
When 2 is rotated, the tip of the L-shaped arm 103 is moved to a pair of second
The packaging box X which passes between the carry-out ends of the conveyor 82 and stops at the carry-out end of the second conveyor 82 is supported, and in this state, it is further rotated and moved along the arc-shaped plate 92. Therefore, the packaging box X is fed onto the carry-in end of the support member 91 while being rotated by 90 °.

In addition, the L-shaped arm 10 in which the packaging box X is sent to the support member 91
As shown by the chain line (a) in FIG. 11, 3 moves downward of the support member 91 in an inclined state in which it falls slightly backward from the vertical, and at the time of that movement, it rotates counterclockwise about the pin 104, and the arc-shaped plate 92 The leading end passes through the front side of the next packaging box X to be stopped and faces below the packaging box X.

By the feeding device 100, the packaging boxes X stopped at the carry-out end of the second conveyor 82 are sequentially fed onto the support member 91. At this time, since the packaging box X is rotated 90 ° in the transfer direction, the pair of outer flaps d of the packaging box X facing each other are vertically opposed to each other.

The packaging box X sent onto the support member 91 has the support member
A plurality of gathering devices 200 provided on the 91 gather together.
As shown in FIG. 12 and FIG. 13, the collecting device 200 includes a pushing device 11 for conveying the packaging box X forward by a constant stroke.
0 and a stopper device 130 for stopping the packaging box X conveyed by the pushing device 110.

In the pushing device 110, a guide plate 113 is attached to the upper part of an L-shaped bracket 112 supported by a frame 111, and the guide plate 113 is attached.
A guide hole 114 formed in 113 is parallel to the conveyance center line of the packaging box X, and the inner straight hole portion 115 is different in distance to the center line.
The outer straight hole portion 116 and the outer straight hole portion 116 are connected by an inclined hole portion 117.

Further, a pin 119 to be inserted into the guide hole 114 is attached to the tip of the bifurcated member 118 fitted to the outside of the guide plate 113, and the arm 1 formed inside the tip of the bifurcated member 118.
A pressing piece 121 is provided at the tip of 20.

Further, one end of the link 122 is connected to the rear end of the bifurcated member 118, and the other end of the link 122 is connected to the upper end of the lever 123. The lower end of the lever 123 is attached to the end of a rotary shaft 124, which is long in the direction orthogonal to the transport direction of the packaging box X, below the transport path of the packaging box X, and the rotary shaft 124 rotates forward and backward by a cylinder 125. To be done.

The pushing device 110 has the above structure, and when the packaging box X is fed onto the supporting member 91, the pin 119 of the bifurcated member 118 is used.
Is located in the outer straight hole portion 116 of the guide hole 114, and the pressing piece 121
Are arranged at positions outside the transfer path of the packaging box X.

When the packaging box X is fed onto the support member 91, the bifurcated member 118 moves along the guide hole 114, and when the pin 119 moves along the inclined hole portion 117, the pressing piece 121 causes the back surface of the packaging box X to move. Engage with. Since the pin 119 then moves along the inner linear hole 115, the packaging box X is pressed by the pressing piece 121 and moves forward by a certain stroke.

The bifurcated member 118 of the pushing device 110 reciprocates once in the feeding direction of the packaging box X every time the packaging box X is fed onto the support member 91.

Next, the stopper device 130 provides a pair of brackets 131 on the frame 111 at a required interval in the moving direction of the packaging box X, and slides along the guide rods 132 supported by the pair of brackets 131. Is provided so as to be movable, and a protrusion 134 provided on the inner surface of the slide block 133.
An L-shaped stopper piece 136 is rotatably attached to the pin 135. This stopper piece 136 is held in a state where its tip end faces the transfer path of the packaging box X by the operation of a cylinder 137 attached to the lower side of the slide block 133, and is swayed outward by the elasticity of a spring 138 around the pin 135. It is moved and held in a state in which the front end portion is disengaged from the transfer path of the packaging box X.

One end of a link 139 is connected to the outer surface of the slide block 133, and the other end of the link 139 is connected to the upper end of a lever 140. The lower end of the lever 140 is connected to the end of a rotary shaft 141, which is long below the support member 91 in a direction orthogonal to the transport direction of the packaging box X, and the rotary shaft 141 is normally and reversely rotated by the operation of a cylinder 142. .

Therefore, by operating the cylinder 142, the slide block 133 moves along the guide rod 132.

The stopper device 130 is configured as described above, and when the packaging box X is sent forward by the pushing device 110, the slide block 133 is located at one end of the guide rod 132, and the stopper piece 136 is in the transfer path of the packaging box X. It is kept in the state of facing. Therefore, when the packaging box X is fed by the operation of the pushing device 110, the packaging box X is moved by the stopper piece 13 described above.
Abut on 6. At this time, the moving cylinder 142 of the slide block 133 is held in a state where back pressure is applied. Therefore, the slide block 133 has a slide resistance in the moving direction of the packaging box X, and when the stopper piece 136 is pushed by the packaging box X, the slide block 133 moves in the moving direction of the packaging box X by the thickness of the packaging box X. Moving.

Since the packaging boxes X are sequentially fed by the pushing device 110, the packaging boxes X are pressed against the back surface of the previously fed packaging box X. At this time, since the adhesive g is applied to the front surface of the packaging box X in the moving direction in advance, the packaging boxes X are bonded to each other. When a preset number of packaging boxes X are joined to form the collecting box Z shown in FIG. 1, the stopper piece 136 is retracted outward from the transfer path of the packaging box X by the elasticity of the spring 138. , The collecting box Z is a transfer device 15 shown in FIG.
0 conveys a fixed stroke forward.

The carrying device 150 has an endless chain 152 spanned between a pair of front and rear sprockets 151, and a plurality of push plates 153 are attached to the chain 152 at equal intervals. This transport device 150
A pair of nozzles 154 are provided on both sides of the transfer path of the collecting box Z sent by. When the collecting box Z moves in front of the nozzle 154, the nozzle 154 sprays the adhesive toward the surface of the inner flap c of the collecting box Z. In FIG. 1, h indicates an adhesive layer.

The collecting box Z to which the adhesive is applied is moved up and down by the cylinder 155 by the operation of the transfer device 150.
Sent to 56. The lift table 156 is provided so as to extend to the rear end of the support member 91.

On both sides of the lifting table 156, the lifting table 1
Connecting piece e to inner flap c of collecting box Z sent on 56
A connecting piece sticking device 160 for sticking is attached.

Here, the connecting piece e has a width that is fitted between the outer flaps d of the packaging box X facing each other and a length equal to the dimension between the front and rear surfaces of the connecting box Z.

14 and 15 show a connecting piece sticking device 160. In this sticking device 160, a hopper 161 for accommodating the connecting piece e is arranged in an inclined manner, and the stopper 1 is provided at the lower outlet of the hopper 161.
The connecting piece e that is prevented from coming off by the 62 is taken out onto a table 163 provided below the hopper 161, and the table 163 is
After positioning on the top, the inner flap c of the collecting box Z
I am trying to paste it on.

In order to take out the connecting piece e from the hopper 161 onto the table 163, a rotary shaft 164 is arranged below the hopper 161 and rotatably supported, and a pair of arms 165 are provided at both ends of the rotary shaft 164.
Is attached, and a plurality of suckers 167 are attached to the suction pipe 166 passed between the end portions of the arm 165. Further, a toothed pulley 168 rotatably fitted to the end of the rotating shaft 164.
Is attached to an appropriate fixing member in a non-rotatable manner, and an endless toothed belt 170 is spanned between the pulley 168 and a toothed pulley 169 fixed to the end of the suction pipe 166.

With the above configuration, the connecting piece e can be adsorbed by applying a suction force to the football 167 while the football 167 faces the connecting piece e that stops at the lower exit of the hopper 161. Then, the rotary shaft 164 is rotated by a drive device (not shown), and the arm 165 is moved toward the table 163, whereby the connecting piece e is taken out from the hopper 161 and the toothed pulley 1 at the end of the suction pipe 166 is taken out.
69 moves along the inner surface of the toothed belt 170 which is prevented from moving by the fixed toothed pulley 168,
The suction pipe 166 rotates, and the connecting piece e can be placed on the table 163 in a flat state. In the placed state, the suction force on the soccer 167 is released.

Here, in the table 163, a plurality of plate bodies 171 are arranged in parallel, and rails 172 for guiding both side edges of the connecting piece e are provided on one side of the upper surface of the plate bodies 171 on both sides. In order to position the connection piece e taken out on the table 163, a pressing claw 173 is arranged between the plate bodies 171, and the pressing claw 173 is moved by the cylinder 174.
The connecting piece e is moved forward by a predetermined stroke by moving it toward the elevating table 156.

Since the connecting piece e positioned on the table 163 is affixed to the inner flap c of the collecting box Z, a pair of guide rollers 175 arranged above both ends of the table 163 are appropriately supported by a fixing member, and the guide rollers are supported. The fan-shaped central shaft 177 of a pair of fan-shaped plates 176 arranged on the front side of the 175 is rotatably supported by a suitable fixing member, and the side end of the U-shaped support frame 178 is rotated by a pin at one end of the fan-shaped plate 176. It is movably connected.

A support plate 179 is attached to the support frame 178, and the support plate 179 is attached to the support frame 178.
A plurality of suction holes 180 are formed in 179.

Guide grooves 181 are formed on both sides of the support frame 178, and the guide grooves 181 are fitted to the guide rollers 175.

Further, both ends of the U-shaped lifting frame 182 are connected to the other end of the fan-shaped plate 176 by pins, and the lifting frame 182 is vertically moved by the cylinder 183.

In the above configuration, when the elevating frame 182 is lowered while the support plate 179 faces the side surface of the collecting box Z, the support frame 178 moves rearward along the guide roller and rotates downward to guide the support frame 178. If the straight line connecting the roller 175 and the center of the fan-shaped central shaft 177 exceeds the connection point of the fan-shaped plate 176 and the support frame 178, the support frame
The 178 starts to descend next, and further rotates in the same direction, so that the support plate 179 contacts the connecting piece e positioned on the table 163.

Therefore, by applying a suction force to the suction hole 180, the connecting piece e is sucked. By raising the elevating frame 182 in the suctioned state in the opposite manner to the above, the support plate 179 is raised and rotated toward the side surface of the collecting box Z, and the fan-shaped plate 176 and the support frame 1 are rotated.
When the connecting point of 78 exceeds a straight line connecting the center of the guide roller 175 and the center of the fan-shaped central shaft 177, the supporting plate 179 next moves toward the side surface of the connecting box Z and rotates in the same direction. As a result, it is inserted between the pair of outer flaps d of the collecting box Z facing each other and pressed against the inner flap c. At this time, the inner flap c
Since the adhesive is applied in advance to the, the connecting piece e is joined to the inner flap c, and the collective packaging box Y is formed.

Collective packaging box Y formed on the lifting table 156
When the elevating table 156 is lowered, it is placed on the carry-out conveyors 190 arranged on both sides of the table 156, and is carried out by the carry-out conveyor 190.

In addition, in the case of the embodiment, the overlapping packaging boxes X of the collective packaging box Y are joined with an adhesive, but the application of the adhesive is omitted, and the packaging boxes X are brought into a gathered state only by joining the connecting pieces e. You may keep it.

〔The invention's effect〕

Since the present invention is configured as described above, it is possible to automatically and efficiently form a collective packaging box. That is, a product is filled from the side of a rectangular tubular box body with inner flaps arranged on the top and bottom, the inner flap and the outer flap are bent and fixed to form a packaging box, and then the outer surfaces of the inner flaps are continuous with each other. Since the connecting plates are put together and attached to each other as described above, the insertion of the product is very smooth, and the packaging box is formed by sealing the rectangular tubular box with a low height, so the packaging box finish accuracy Is very good, the accuracy of attaching the connecting plate is also improved, and a stable and accurate collective packaging box can be manufactured.

[Brief description of drawings]

FIG. 1 is a flow chart showing a formation state of a collective packaging box formed by the method of the present invention, FIG. 2 is a front view showing an embodiment of an apparatus according to the present invention, and FIG. 3 is a plan view of the same. FIG. 4 is a front view of the above-mentioned box opening device, FIG. 5 is a front view showing the operating state of the same, FIG. 6 is a vertical cross-sectional side view of the above flap folding device, and FIG. 7 is a plan view of the same. FIG. 8 is a vertical sectional side view of the same inner flap folding device, FIG. 9 is a vertical sectional side view of the same outer flap folding device, FIG. 10 is a perspective view of the same feeding device, and FIG. The front view of the above, FIG. 12 is a perspective view of the pushing device and the stopper device of the same, FIG.
FIG. 14 is a plan view of the same as above, FIG. 14 is a vertical side view of the connecting piece sticking device of the above, FIG. 15 is a perspective view of the same, FIG. 16 is a perspective view of a packaging box, and FIG. It is a partial cutaway perspective view. A ... Box, a ... Side plate, b ... End plate, c ... Inner flap, d ... Outer flap, e ... Coupling piece, X ... Packaging box, Y ... Collective packaging box, Z ... … Connection box, 24 …… Chain conveyor (conveyor), 30… Box opening device, 50… Product filling device, 60, 64… Flap folding device, 91… Supporting member, 100… Feeding device, 110: Pushing device, 130: Stopper device, 160: Laminating device, 200: Assembling device.

Claims (2)

[Claims] 1. A box body having a pair of inner flaps on the upper and lower sides and a pair of outer flaps on the left and right of an opening on both sides of a quadrangular cylinder is conveyed in one direction with the openings facing sideways. Insert the product into the box from the side of the opening, bend the pair of inner flaps, and then fold the pair of outer flaps, and secure a predetermined gap between the leading edges of the outer flaps by fixing the overlapping flaps. The process of forming the unit packaging box having the unit packaging box with the flaps fixed to each other in the transfer direction
Rotate by ° and collect a plurality of unit packaging boxes so that the intervals between the front edges of the outer flaps are continuous. Connect the inner flaps of the connecting pieces that span the inner flaps of the assembled unit packaging boxes. A method for manufacturing a collective packaging box, which comprises a step of fixing to a box. 2. A transport conveyor for transporting a box body having a pair of inner flaps at the upper and lower sides and a pair of outer flaps at the left and right sides of a rectangular tubular body with the openings facing sideways. In the transport path, a product filling device that fills the inside of the box from the side of the opening, and a pair of inner flaps that are bent, and then a pair of outer flaps that are bent and fixed to each other, and a pair of outer flaps. And a closing device for forming a unit packaging box having a required space between the leading edges of the conveying conveyor are provided in order, and the unit packaging box on the conveying conveyor is provided at the carrying-out end of the conveying conveyor in the transfer direction.
By providing a feeding device for reversing and feeding onto the supporting member, a plurality of unit packaging boxes are assembled on the supporting member so that the intervals between the outer edges of the outer flaps of the unit packaging boxes are continuous. An apparatus for manufacturing a collective packaging box, which is provided with a connecting piece sticking device for sticking a connecting piece having a length across the inner flap of the unit packaging box to the inner flap.