JP2001347581A - Box making apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a box making apparatus capable of certainly and easily performing box body making work to increase work efficiency. SOLUTION: A movable stand 7 constituting a box opening mechanism 6 is reciprocally moved forwardly and rearwardly to transfer a box body A, which is folded into a sheetlike state and not formed into a box shape, from the start end of a support stand 4 to the terminal thereof. At the same time, the box body A transferred to the terminal of the support stand 4 by the previous box making operation is sucked and held by a pair of upper and lower suction elements 15 to be transferred in a feed direction while opened into an almost cylindrical shape. The box body A opened into the almost cylindrical shape is supplied to a box closing mechanism 21 to close the flaps Aa, Ab connected to the bottom peripheral edge parts of the box body A to form a box of which one side surface is opened.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a box-making apparatus used for forming an unboxed box folded in a sheet shape (or flat shape) into a predetermined form.

[0002]

2. Description of the Related Art Conventionally, as the above-mentioned box making apparatus, for example, as shown in FIG. 10, an unmade box A folded in a sheet shape is supplied to an opening position on a box feeding conveyor 40. A pair of upper and lower adsorbents 41 (or holding claws, etc.)
After adsorbing and holding the box, the adsorbers 41, 41 are relatively moved in a direction in which they are separated from each other, and the unformed box A is opened and held in a substantially cylindrical shape when viewed from the side. Thereafter, there is a box making device 42 that closes the flaps Aa and Ab provided continuously on the opening side peripheral portion of the box A.

[0003]

However, the above-described box making device 42 opens the unformed box A at once (or suddenly) by opening the pair of upper and lower adsorbers 41 quickly. A part of the box A may be damaged or bent, or the box A in the middle of the box production may drop off from the adsorbent 41, and an opening error may occur.

[0004] Further, after the operation of opening the previously supplied box A is completed, the box A having been boxed is transported to the next step.
Since the unboxed box A is transported to the opening position, the next sheet box A cannot be supplied until the opening operation of the previously supplied sheet box A is completed. Has the problem that it is bad.

[0005] In view of the above problems, the present invention makes it possible to reliably form an unboxed box that has been folded into a sheet while transporting the box in the transport direction to a predetermined form. An object of the present invention is to provide a box making device that can perform the work and improve the work efficiency.

[0006]

According to the first aspect of the present invention,
What is claimed is: 1. A box-making apparatus for forming an unboxed box folded into a sheet into a predetermined form, wherein the unboxed box is transported in the transport direction and the box is formed into a predetermined form. This is characterized in that it is a box making device provided with box box making means.

According to a second aspect of the present invention, in addition to the configuration of the first aspect, a retracted position at which the unformed box is supplied to the box box forming means, and the box is discharged. And a moving means for moving to a moving forward position.

According to a third aspect of the present invention, in addition to the configuration of the first or second aspect, the box body forming means is formed by box opening means for opening the unmade box in a substantially cylindrical shape. It is characterized in that it is a configured box making device.

The invention described in claim 4 is the above-mentioned claim 1 or 2.
Or in combination with the configuration described in 3 above, a box making device provided with a box supply means for supplying an unmade box to the box body making means at a stage preceding the box body making means. Features.

[0010] The invention according to claim 5 is the invention according to claims 1 and 2.
Or, in combination with the configuration described in 3, the box making device is provided with box closing means for closing an opening of the box body at a subsequent stage of the box body forming means.

[0011]

According to the present invention, since the unboxed box folded in a sheet shape is formed in a predetermined form while being transferred in the transport direction, the transfer time required for the box-making operation can be secured. As a result, the time required for box making can be shortened, and the speed and efficiency of box making can be increased. In addition, it is possible to slowly manufacture an unboxed box using the transport time, so that the box is not broken or bent, and the operation of forming a box in a predetermined form is reliable and easy. I can do it.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to the drawings. The drawings show a box-making apparatus used for converting an unboxed box body folded into a sheet into a predetermined form. In FIGS. 1 and 2, this box-making apparatus 1 has a sheet-like shape. An unmade box A folded (or flat) is vertically stacked, and a plurality (or a large number) of sheets are loaded in a sheet loading section 2 disposed at an upper portion on the starting end side of the apparatus.

The above-mentioned sheet loading section 2 supports a pair of left and right support claws 3 of a pair of left and right support claws 3 supporting a vertically stacked corrugated paper box A. 3, for example, an air cylinder, a solenoid, a motor,
An opening angle at which the box A is released by driving means such as a cam;
Are rotated intermittently to the closed angle at which the box A is supported, and the plurality of boxes A are separated one by one from the lower side and discharged onto the support table 4 provided on both sides of the transport path. Further, the sheet-like box bodies A which are continuously conveyed may be supplied onto the support table 4 one by one.

On the other hand, a box opening mechanism 6 arranged below the transport path
Engages the movable table 7 with a support rail 9 erected at a lower portion of one side of the transport path so as to be movable back and forth in a direction substantially parallel to the transport direction, and fixes the upper end of the movable arm 10 to the movable table 7. The lower end is engaged with a vertically long guide hole 8 formed in a substantially middle portion.
Connected to the pivot 11 provided at the lower part (or floor) of the device,
The movable arm 10 is pivotally supported to pivot back and forth with the pivot 11 as a fulcrum.

The slider 12 is moved to the movable arm 10.
The movable table 7 is engaged so as to be vertically movable with respect to the entire length.
The pivot plate 11 is connected to a peripheral portion of a substantially disk-shaped rotating plate 13 that is pivotally supported at a substantially intermediate portion between the rotating plate 13 and the pivot portion 11.

The rotating plate 13 is rotated in one direction or forward and reverse by a motor with a speed reducer (not shown), and the movable arm 10 is swung in the front-rear direction (transport direction) to move the movable table 7. A retracted position for receiving the unformed box A placed on the starting end side of the support 4 and a forward position for supplying or discharging the box A having been boxed between the box feeding conveyors 22 described later. Reciprocate. Further, the movable table 7 may be moved back and forth by, for example, a crank mechanism, a chain mechanism, a screw feed mechanism, or the like.

On the other hand, the pusher 1
4 (or kicker) is disposed to face the end of the box A loaded on the starting end side of the support 4 and is brought into contact with the end of the box A discharged onto the support 4. And a descending position where the contact is avoided. Further, the pusher 14 may be brought into contact with the end of the lowermost box A loaded in the sheet loading section 2 and fed out one by one.

A flexible adsorber 15 connected to a negative pressure generating source (not shown) such as an intake blower or a vacuum pump is provided at the start end side of the movable base 7 at the end side of the support base 4. It is arranged facing the upper and lower surfaces of the box A to be transferred.

The upper adsorbent 15 is attached to the free end of a support shaft 16 which is horizontally mounted on the upper end of the movable base 7 and connects the arm 17 connected to the base end of the support shaft 16 to the movable base 7. Cam rail 18 installed on the upper side of one side of the conveyance path by the back and forth movement of
Along the upper and lower sides, and rotate in the direction facing the upper surface of the box A.

When the arm 17 is moved to the higher side of the cam rail 18, the arm 17 is pivotally returned to a position facing the upper surface of the box A at a height that allows the transfer of the box A, and moved to the lower side. At this time, the box A is rotated to a posture in which the box A is opened in a substantially cylindrical shape. A smooth slope or curved surface is formed between the high side and the low side of the cam rail 18.

The lower adsorbent 15 is disposed at a position facing the upper adsorbent 15, and is positioned between a raised position where the lower adsorbent 15 is pressed against the lower surface of the box A and a lowered position where the transfer of the box A is permitted. Moved up and down. When ascending, the box A is lifted to a height at which the upper surface of the box body A is pressed against the upper adsorbent 15 (for example, may be approximately 5 mm or approximately 5 mm or more, or less).

On the other hand, a stopper 1
9 is disposed so as to face the end of the box A transferred by the pusher 14, and is provided at a protruding position where the end contacts the box A and a descending position where the contact is avoided. By moving in and out, the box A is stopped or regulated at a position where it can be sucked by the upper and lower suction elements 15. Further, the support table 4 and the lower box feed conveyor 22 described above are arranged at intervals that allow the pusher 14 and the lower adsorbent 15 to move back and forth.

The pusher 14, the adsorber 15,
The stopper 19 is driven by a driving unit such as an air cylinder and a solenoid.

On the other hand, a box closing mechanism 21 disposed on the terminal side of the apparatus bridges the box feed conveyor 22 to face the upper and lower surfaces of the box A which is opened in a substantially cylindrical shape by the box opening mechanism 6 described above. Then, the box A assembled in a substantially cylindrical shape is transported in the transport direction while being held by an endless belt 23 (for example, a belt or a chain) stretched up and down.

The upper and lower endless belts 23 are rotated in the transport direction by a motor with a speed reducer (not shown), and are supported by front and rear support pieces 24 attached at predetermined intervals to the entire length of the endless belt 23. The containers A are held and transported one by one.

A folding guide 25 installed on the right side of the transport path
Uses the conveying force of the box feed conveyor 22 to fold and guide the flap Aa connected to the front short side of the box A inward. Folding guide 26 installed on the rear side
Folds and guides the flaps Ab provided on both long sides of the box body inward.

Folding arm 27 pivotally supported on the right side of the conveyance path
Is horizontally rotated in a direction in which the flap Aa provided continuously on the rear short side of the box A is folded inward, and is normally stopped at a standby position where the conveyance of the box A is allowed to stop. I have.

Injecting devices 28 disposed on both sides of the folding guide 25 are connected to an adhesive supply source (not shown) for supplying the adhesive B, and are connected to the front short side and the rear short side of the box A. When the flap Aa connected to the flap A is folded, the flap A
An appropriate amount of adhesive B (for example, hot melt or the like) is sprayed on a predetermined portion of a. 25, 26, 27, 28
May be provided on the left side of the transport path.

Thereafter, the flap Aa on the long side guided by the folding guide is attached to the flap Aa on the short side.
Is pressed down and fixed in a closed state. Also, adhesive B
Alternatively, a closing means such as a stopper or an adhesive tape may be used.

The illustrated embodiment is constructed as described above, and the operation of box-forming an unboxed box A folded into a sheet by the box-making apparatus 1 in a predetermined form will be described below. First, as shown in FIGS. 1 and 3, one sheet-shaped box A fed from the sheet loading unit 2 is placed on the starting end side of the support base 4, and the end side of the support base 4 by the previous feeding operation. Is lifted to a predetermined height by the lower adsorber 15 and the upper and lower surfaces of the box A are adsorbed and held by the pair of upper and lower adsorbers 15.

Next, as shown in FIGS. 2 and 4, the movable table 7 constituting the box opening mechanism 6 is moved forward, and the lower surface of the box A is sucked and held by the lower sucker 15. 6 and 7, the upper adsorbent 15 is rotated rearward (in the direction of the arrow) so that the unformed box A is opened in a substantially cylindrical shape when viewed from the side, in the transport direction. Transfer. Stopper 19
And the box body A opened in a substantially cylindrical shape is
1 is supplied between the upper and lower box feed conveyors 22 constituting the conveyor 1.

At the same time, the unformed box A placed on the starting end side of the support 4 is horizontally moved in the transport direction by the pusher 14 projecting in advance, and is moved to the stopper 19 projecting toward the end of the support 4. In contact, supply is stopped or regulated at a fixed position.

Subsequently, when the operation shifts to the operation of producing the next box A, as shown in FIG. 5, the pusher 14 is lowered to release the suction holding by the upper and lower suction elements 15 and then the movable table 7 is moved. Is moved backward to the initial position shown in FIG.
The upper adsorbent 15 is rotated forward (in the direction of the arrow), and the lower adsorbent 15 is lowered to return to the position where the next box A is sucked.

On the other hand, the box body A assembled into a substantially cylindrical shape by the box opening mechanism 6 is held by the upper and lower box feed conveyors 22 and transferred in the transfer direction, and as shown in FIG.
The flap Aa connected to the front short side of the box A is folded inward by the folding guide 25, and the flap Aa connected to the rear short side of the box A is folded inward by the folding arm 27. When the short side flap Aa is folded, an appropriate amount of the adhesive B sprayed from the spray device 28 is sprayed on the flap Aa.

Thereafter, the flaps Ab connected to the long sides on both sides of the box A are folded inward by the folding guide 26, and the flaps Ab on the long side are pressed against the flaps Aa on the short side to close the flap Ab. After bonding and fixing, as shown in FIG. 9, the unformed box body A is formed into a form with one side opened, and then transported to the next step (box packing step). Hereinafter, in the same manner as described above, the operation of supplying an unmade box A folded into a sheet shape and the operation of opening a substantially cylindrical shape are performed substantially at the same time.
Continue the box making operation.

As described above, since the unfolded box A folded into a sheet shape is formed in a predetermined form while being transported in the transport direction, the transport time required for opening in a substantially cylindrical shape is secured. In addition to shortening the time required for the box making operation, it is possible to increase the speed of the box making operation and improve the box making capacity and the work efficiency. In addition, since the box A that has not been manufactured can be slowly manufactured using the transport time, the box A is not broken or bent, and the operation of manufacturing the box A in a predetermined form is surely performed. Easy to do.

In addition, since the box A opened in a substantially cylindrical shape is held by the pair of upper and lower box feed conveyors 22 to control the transport interval and the transport speed, the transport can be performed at a predetermined interval at a low speed. It is possible to shorten the overall length of the device having a high box-making capacity and to reduce the size.

Further, since the movable table 7 is reciprocated between the retracted position and the advanced position to form the box, the supply operation and the box manufacturing operation can be performed efficiently. In addition, the unformed box A is supplied by the sheet loading unit 2 and the pusher 14 or the box A
Since the wraps Aa and Ab connected to the opening side peripheral portion are closed by the box closing mechanism 21, the operation of supplying and closing the box A can be performed mechanically, and labor can be saved.

Further, a box A folded into a sheet shape
Since the upper and lower surfaces of the upper and lower surfaces are sucked and held by the pair of upper and lower adsorbers 15 and are opened in a substantially cylindrical shape, the operation of forming the boxes in a predetermined form while being transported in the transport direction can be performed smoothly.

In correspondence between the structure of the present invention and the above-described embodiment, the box box forming means and the box opening means of the present invention
The box opening mechanism 6 and the suction element 15 of the embodiment, and the cam rail 1
8, and similarly, the moving means includes the movable base 7,
Corresponding to the support rail 8, the movable arm 10, and the support plate 13, the box supply means includes the sheet loading unit 2, the pusher 1
4, the box closing means corresponds to the box closing mechanism 21, the box feeding conveyor 22, the folding guides 25 and 26, the folding arm 27, and the injection device 28. It is not limited only to the example configuration.

The box making speed by the box making apparatus 1 described above may be variably adjusted according to, for example, the material, thickness, hardness, etc. of the box A. Further, it can also be used for the operation of making a box made of a material such as cardboard, fiber, plastic or the like.

[Brief description of the drawings]

FIG. 1 is a side view showing a box making operation of a box by a box making device.

FIG. 2 is a plan view showing a box feeding operation by the box opening mechanism.

FIG. 3 is a side view showing a state of adsorption by an adsorber.

FIG. 4 is a side view showing a box opening operation and a box feeding operation.

FIG. 5 is a side view showing a retreating operation of the box opening mechanism.

FIG. 6 is a perspective view showing an unmade box box folded in a sheet shape.

FIG. 7 is a perspective view showing a box body opened in a substantially cylindrical shape.

FIG. 8 is a perspective view showing a flap folded state of the box.

FIG. 9 is a perspective view showing a box body formed in a form in which an upper surface side is opened.

FIG. 10 is a side view showing a box making operation by a conventional box making device.

[Explanation of symbols]

 A: Box body Aa, Ab: Flap B: Adhesive 1: Box making device 2: Sheet loading unit 4: Support table 6: Box opening mechanism 7: Movable table 14: Pusher 15: Adsorber 18: Cam rail 21: Box closed Mechanism 22: Box feed conveyor 25, 26: Folding guide 27: Folding arm 28: Injection device

Claims (5)

[Claims] 1. A box-making apparatus for forming an unboxed box folded into a sheet into a predetermined form, wherein the unboxed box is transported in a transport direction. A box making device provided with a box body making means for making a box in a predetermined form. 2. The box-forming device according to claim 1, wherein said box-forming device is provided with a moving device for moving to a retreat position where said unformed box is supplied and a forward-moving position where said box is discharged. Box making equipment. 3. A box opening means for opening the unformed box in a substantially cylindrical shape.
The box making device described. 4. The box-making apparatus according to claim 1, further comprising a box supply means for supplying an unboxed box body to said box-forming means at a stage preceding said box-forming means. apparatus. 5. A box closing means for closing an opening of the box body at a stage subsequent to the box body forming means.
The box making device described.