JP2767715B2 - Binding band recovery processing method and device for package - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a package in which various articles are put in a cardboard box, the band is tied and bound with a band, the band is removed, and the lid is opened. The present invention relates to a binding band collecting device in a package for performing a collecting process of a band to be removed when automatically removing the article.

[Conventional technology]

Generally, a cardboard box is closed, and a horizontal or vertical / horizontal crossed band made of synthetic resin such as polypropylene
PP band (abbreviated as PP band)
When unpacking the package, which had been made easier to handle, the PP band was cut and then removed and the contents were removed from the cardboard box. Rotate while pressing against the band, pull it out with frictional force, remove the PP band from the cardboard box, and
The band was dropped into the collection box by its own weight and collected.

[Problems to be solved by the invention]

However, in this conventional example, with respect to the feeding of the PP band entangled in the cardboard box, a feeding rubber roller (frictional force).
Of course, damage and crushing of the corrugated cardboard are likely to occur, and variations in the shape of the corrugated cardboard and wear of the rubber rollers will cause variations in the frictional force, resulting in poor feeding, which is troublesome to work, and it is troublesome to correct manually. In addition to the PP band that is long in shape, it spreads and spreads around due to elasticity, and the unfolded one is collected by natural fall. The collection process was bulky, and the PP band was bulky, requiring a large space for collection.Frequent post-treatment had to be performed frequently, and continuous processing had many operational problems. .

In the present invention, these conventional disadvantages are intended to be properly eliminated, and the PP band collection process can be performed with high accuracy and efficiency, and the workability can be greatly improved. It is an object of the present invention to provide a device that can be easily manufactured.

[Means for solving the problem]

The present invention holds a synthetic resin band tied and bound to a cardboard box by lifting it up from the cardboard box, inserting and holding a catching hand in this band, separating one part of the binding band, and then rotating the catching hand. The cut band is wound into a catching hand, and the band wound in a roll is fixedly formed by heat welding.Then, the catching hand is pulled out from the formed winding band to collect a roll-shaped band. The present invention provides a method for collecting a binding band in a package.

In addition, the present invention provides a cutting mechanism provided with a cutter capable of coming in contact with and separating from a synthetic resin band that is tightly bound to a cardboard box, and a holder that inserts and holds the band and floats the cardboard box along the cardboard box. A holding mechanism that is reciprocally movable and a reciprocating axially opposed to the holder, and a catching hand that supports the band is rotatably and movably provided, and is cut by the cutting mechanism. Band winding mechanism for winding the formed band, a heat welding portion for fixing the band wound by the band winding mechanism, and a band supporting portion for supporting the winding band when the catching hand is pulled out from the formed winding band. And a binding mechanism for treating a binding band in a package provided with a forming mechanism provided with the above.

〔Example〕

An embodiment of the present invention will be described with reference to FIGS. 1 to 3. Referring to FIGS. 1 to 3, a supply conveyor C or a mounting table for receiving and transporting a cardboard box A which is wound around a PP band B and automatically supplied. Cut and remove band B from cardboard box A,
In the collection process, the PP band tied and tied to the cardboard box A is lifted and held from the cardboard box A, and the band-shaped catching hand 3 is inserted and clamped. The cutting band B is wound around the catching hand 3 in a roll shape by rotating the catching hand 3 at 1 and the band wound around the roll is fixedly formed by heat welding. collects a rolled winding band B ₁ from the winding band B ₁ is pulled out the catching hand 3 but pulled out a band B pulled away from the cardboard box a After inserting sandwiching the catching hand 3 in the band B After that, the catching hand 3 is wound around the core axis, and the outer peripheral surface of the band being wound is It is preferable that the band is formed into a roll while being sexually pressed and supported, and the forming and fixing step of the band is performed by blowing hot air while blowing the outermost peripheral portion of the winding roll wound into the roll. It is preferable to make the catching hand spin around several times to melt and weld the band only at the outer peripheral end, and then to solidify the band.

In the apparatus for recovering the rolled wrapped band B ₁ , the band B tied and bound to the cardboard box A is used.
A cutting mechanism D provided with a cutter 1 that can be brought into contact with and separated from the cutter 1;
A holding mechanism E, in which a holder 2 for inserting and holding the band B and floating above the cardboard box A is provided so as to be reciprocally movable along the side surface of the cardboard box A, and is provided so as to be able to reciprocate in the axial direction opposite to the holder 2. A catching hand 3 for supporting the band B is rotatably and movably provided, and a band winding mechanism F for winding the band B cut by the cutting mechanism D is wound around the catching hand 3. A heat welding portion 4 for fixing the outermost peripheral portion of the band and a forming mechanism G having a band support portion 5 for supporting the winding band when pulling out the catching hand 3 from the forming winding band B are provided. It is a binding band recovery processing device for the package.

In this case, the holder 2 is provided with a pair of bifurcated insertion tongues as shown in FIG. 2 and is connected to an insertion cylinder 21 so as to reciprocate. A fixed frame connected to the cylinder 23 so that the holder 2 can move in the direction of pressing or separating from the cardboard box A.
24, and inserted into PP band B as shown in FIG.
It can be lifted up.

Further, as the band winding mechanism F, the catching hand 3 is supported on a rotating shaft 31, and the rotation 31 is connected to a motor 34 by a timing pulley 32 and a timing belt 33,
Furthermore, a rotating mechanism combining a sensor unit consisting of a position regulating plate 35 and a limit switch 36 contacting the plate is provided on a slider 37 serving as a moving unit, and the slider 37 reciprocates horizontally on a support frame 38. A moving unit that is connected to a cylinder 39 and has a supporting frame 38 of the moving unit provided on a rail 43 with a driving unit cylinder 40 that reciprocates in the axial direction of the catching hand 3. The limit switches 41 and 42 are provided at the reversing position on the support frame 38 to perform automatic control.

Note that the catching hand 3 has cuts 3 ₁ which can be inserted into the band B as shown in FIG. 4, the screw 3 _second gap adjusting unit of該切3rd ₁ is biased in one axial direction Spring 3
_3, and a said cuts 3 ₁ of the guide pins for position regulating 3 _4, with respect to the rotation shaft 31, catching the hand 3 is fitted a pin 3 ₄ in the guide long groove ₃₅ so as to be resiliently follow It is biased by a spring 3 _3, and are also available transmit the rotational force.

Further, as the forming mechanism G, an insertion port 50 for inserting and guiding the catching hand 3 as shown in FIGS.
And has a cutout groove 51, a box capable of housing a winding band B _1, and a hot air gun heat seal portion 4 for injecting hot air to the winding outer peripheral end of the band B, of the rolling band B ₁ together and a band supporting portion 5 of the pull-out plate for supporting the one side, it is provided with a pressing piece 52 of the forming pressurization to prevent unwinding of the insertion band B ₁ by a plate spring. In this case, the band supporting portion 5 is pivotally supported by a support shaft 54 so as to be supported by the catching hand 3, and is disposed so as to be freely detachable by a spring 53, and is formed when the catching hand 3 is moved in the axial direction. band
Although so easy withdrawal from the core receiving the B _1, may be in the form to take advantage of the box side walls as needed.
The box bottom is opened at the opening 55, and deployed so as to face the chute 56, forming a band B receives the _first to fall by dampers (not shown), it is dropped in the damper open as molded band B ₁ solidified molded band B ₁ The passage of a phototube or other sensor
Catch 57, for so controlling the drive units is well adapted to deposit accommodating winding band B ₁ in the recovery case 58.

Further, the band winding mechanism F is provided with a rail-shaped guide holder 25 which is engaged with the catching hand 3 and receives and guides and holds the band B when the band B is separated from the cardboard box A and moved. Swinging presser 26 that is urged by a spring or the like to prevent the dance of PP band B
However, the guide holder 25 can be omitted in a mode in which the band is wound around while being in contact with the cardboard box A, or in a type in which the forming mechanism is disposed close to the band.

The step of separating the band B by the cutting mechanism D is performed after the band B is inserted and clamped in the catching hand 3.
When the band B on the bottom of the cardboard box A is cut off, the band B is pressed down by weight, or if the band B is pressed down by a pusher on the other surface, the band B is caught by the catching hand 3. It may be cut before inserting and clamping. Further, in the forming mechanism G, hot air is always supplied by using a hot air gun and is blown onto the wrap band. However, the band does not melt due to the wrap speed, and only a few rotations of hot air is blown only at the outermost end portion. It is considered that welding is performed, and if necessary, welding can be performed by press-contacting a hot roll, or other welding means can be used.

Further, the holder 2 to be able to capture in a position where the fork-shaped gap band positions which are bundled in a cardboard box A by interposing a liner 2 ₁ which also serves as a stopper is displaced slightly spread the retaining range Care is taken to optimize the collection efficiency of the band.

(Operation)

Then, move the cylinder along the side of the cardboard box A
After pressing the holder 2 with 23, the holder 2 is
After moving forward along the side of the cardboard box A and inserting it into the PP band B, a gap is made between the cardboard boxes A with the cylinder 23 to raise the PP band B, and the opposing catching hand 3 is moved with the cylinder 40 to the PP band. insert the band B to stop the cut 3 ₁ is advanced to the B. Next, the PP band B along the bottom surface of the cardboard box A is melted by the cutter 1, the holder 2 is returned and separated from the band B, and then the slider 37 of the moving unit is moved onto the support frame 38 by the cylinder 39, and the catching hand is moved. 3 is moved horizontally, and the band B is conveyed from the cardboard box A to the draw-out forming mechanism G, and stopped when it is inserted into the box.

At this time, the state where the pressing piece 52 of the leaf spring presses the band B entangled with the catching hand 3 is maintained,
When the catching hand 3 is rotated via the rotating shaft 31 by activating the motor 34, the band B is wound into a roll, and the hot air blow of the heat welding portion 4 idles several times around the outermost end portion at the end of the band winding. be to, is welded to the band B, so that the held on catching hand 3 as a molding band B _1.

Thus, the back support frame 38 in the cylinder 40 catching hand 3 also is catching the hand 3 back to leave the winding band B _1, which is fastened to the band supporting portion 5 is withdrawn from the molding mechanism 3, the winding band B ₁ moves away if recovered as the winding band B ₁ became solidified state from received by dampers in the chute bottom to fall into chute 56 case 58
It can be stored in a large amount as a very small molded product and can be processed without being bulky.

In the embodiment, the PP band has been described. However, it can be used for other synthetic resin tapes or for recovering cords. In the case of the cardboard box A tied in a cross, the cardboard box A The processing may be performed by rotating the direction.

Although each drive unit employs a cylinder system, other transmission members, such as a chain drive or a timing belt, can be selected and combined to form a combination, and the motor also has a direct drive instead of indirect transmission. be able to.

〔The invention's effect〕

The present invention can automatically remove a packaging material for packing an article and a band tied and tied without the need for manual operation, and can perform a roll-in and recovery process, and can prevent damage to a cardboard box of a package. In addition to reducing the length of the band, which can jump up and down, and suppresses repetitive PP bands, it can be safely pulled out and removed.In addition, the band is wound into a roll and molded, so it is not bulky and has a smooth efficiency The collection work can be performed well, the collection of the PP band can be accurately performed without any collection failure during the collection, and the long band can be collected as an extremely compact roll, so the collection space can be small. Post-processing can be simplified, work can be performed with a small driving force, workability can be greatly improved, and bands can be reused, and waste transport work can be reduced. Since the processing can be performed without human intervention, there is an effect that a stable operation is possible with little loss.

[Brief description of the drawings]

The drawings show an embodiment of the present invention. FIG. 1 is a perspective view of a use state, FIG. 2 is a perspective view of a holder portion, FIG. 3 is a perspective view of an operation state thereof, and FIG. Figure,
FIG. 5 is a vertical sectional view of the forming mechanism, FIG. 6 is a rear perspective view thereof, and FIG. 7 is an explanatory perspective view of a state where the winding band is pulled out. A: Corrugated cardboard box, B: PP band, B _1: Wound band, C: Conveyor, D: Cutting mechanism, E: Holding mechanism, F: Band winding mechanism, G: Forming mechanism 1, cutter, 2 holder, 3 catching hand,
3 ₁ ... cut, 4 ... heat-welded part, 5 ... band support part, 2
1,23 ... Cylinder, 25 ... Guide holder, 31 ... Rotary shaft, 34 ... Motor, 37 ... Slider, 38 ... Support frame, 39,40 ... Cylinder, 52 ... Pressing piece, 56 ... …shoot.

Claims (8)

(57) [Claims] 1. A synthetic resin band bound and bound to a cardboard box is lifted up from the cardboard box and held. After inserting a catching hand into this band, one part of the binding band is cut off, and then the catching hand is released. The band cut by rotation is wound around the catching hand, the band wound in a roll is fixedly formed by heat welding, and the catching hand is further pulled out from the formed winding band to form a roll-shaped winding band. A method for collecting a binding band in a package, wherein the method comprises collecting the binding band. 2. The forming and fixing step of the band comprises, while pressing the outermost peripheral portion of the winding roll wound in a roll shape, blowing the hot air and rotating the wound catching hand several times so that only the outer peripheral end portion is rotated. 2. The method according to claim 1, wherein the band is melted, welded, and then solidified. 3. The step of winding the band includes inserting and holding the catching hand in the band, pulling the band away from the cardboard box, winding the band around the catching hand as a core axis, and the outer peripheral surface of the band being wound. The processing method according to claim 1, wherein the material is formed into a wound roll while elastically pressing and supporting the material. 4. A cutting mechanism provided with a cutter capable of coming into contact with and separating from a synthetic resin band tightly bound to a cardboard box, and a holder for inserting and holding the band and allowing the band to float above the cardboard box along the cardboard box. A reciprocating holding mechanism is provided, and a catching hand that is provided reciprocally in the axial direction facing the holder and that supports the band is rotatable and movably provided, and is cut by the cutting mechanism. A band winding mechanism for winding the band, a heat welding portion for fixing the band wound by the band winding mechanism, and a band supporting portion for supporting the winding band when pulling out the catching hand from the formed winding band. A binding band recovery processing device for a package, comprising a forming mechanism provided with the binding band. 5. The band winding mechanism includes a moving mechanism for reciprocatingly moving a rotating mechanism of a catching hand in a horizontal direction, and reciprocating a support frame of the moving part in an axial direction of the catching hand. The band recovery processing apparatus according to claim 4, further comprising a driving unit that performs the operation. 6. A box which has a cut-out groove for inserting and guiding said catching hand and is capable of accommodating a winding band. The band recovery processing apparatus according to claim 4, further comprising a hot air gun and a drawing plate that supports one side surface of the winding band. 7. The band winding mechanism according to claim 4, 5 or 6, further comprising a rail-shaped guide holder which is moved by being supported by a catching hand and receives and holds a band which is separated from the cardboard box. Band collection processing equipment. 8. The catching hand has a notch that can be inserted into a band, and includes a gap adjusting portion for the notch, a spring biased in one of the axial directions, and a guide pin for regulating the position of the notch. The band collection processing device according to claim 5, 6 or 7, further comprising: