JPH0629050B2 - Packaging equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present inventor has newly novelly packaged a relatively large plate-shaped rectangular parallelepiped object (for example, a stack of various cardboards, etc.) almost automatically. Wrapping equipment.

(Prior Art) The present inventor proposes a new packaging device for automatically packaging a rectangular parallelepiped object in Japanese Patent Application No. 61-188220 (filed on August 11, 1986). did. A schematic structure of the device is composed of a delivery table for the articles to be packaged, a wrapping sheet feeding means, an elevating table for stacking and holding the both, front and rear finger members, and both-ear folding members. It is extremely efficient in packaging an object to be packaged in which (A3 size or smaller) and the like are laminated, and has since become widely popular in various fields. The present inventor has also proposed a relatively light weight paper packaging device in Japanese Patent Laid-Open No. 55-5331.

As a conventional example, an apparatus for packaging cigarettes has been proposed (Japanese Patent Laid-Open No. 62-122914).

(Problems to be Solved by the Invention) However, although the conventional packaging device can be used for packaging relatively light weight paper, it packages a large object to be packaged, for example, 1 × 1 m or more used in a paper mill or the like. Was difficult to use.

Further, in the conventional packaging device, since the main constituent members are arranged in a substantially straight line, when a large object to be packaged, for example, 1 × 1 m or more is targeted, the wrapping paper also becomes larger (1.5 ×).
(2 m or more is required) The length of the entire device was inevitably large, reaching a dozen meters. Such a large scale causes a problem of installation place, and it has been strongly desired to make it compact.

The present invention has been made in view of the above, and an object of the present invention is to provide a novel packaging device capable of packaging a relatively large plate-shaped rectangular parallelepiped object in a space-saving manner.

(Means for Solving the Problems) In order to achieve the above object, the packaging apparatus of the present invention is a supply table (1) for horizontally mounting a substantially plate-shaped rectangular parallelepiped object (A), and the supply. A wrapping paper vertical holding means (2) for holding the wrapping paper (B) one by one on the front end side of the article (A) on the table (1) using suction force, and holding the wrapping paper vertically. The to-be-packaged object (A), which is forcedly pushed in contact with the wrapping paper (B) in the vertical state, is sandwiched together with the wrapping paper (B) and transferred to the front side, and at the same time, the front side paper piece of the wrapping paper (B) ( _First reciprocating finger means (3) that folds B ₁ ) backward on the article to be packaged (A) and performs edge folding on both sides, and a carrier table (4) that receives the transported article to be packaged (A). When, U transfer table (4) on the side paper (B ₂₎ folding the front and both sides after the packaging sheet (B) on the packaged articles (a) A second reciprocating finger means for folding (5), the side piece of paper after the folded tape tension means for bonding the adhesive tape to an end portion of (B ₂₎ (7), the transfer table (4 ). A wrapping paper binaural folding means (6) disposed at the end of (4) and a tape applying means (8) for attaching an adhesive tape to the end portion of the folded wrapping paper ears (B ₃ ). ) Is composed of.

(Operation) The operation of one embodiment of the packaging device having the above-described configuration will be described with reference to FIGS.
It will be described with reference to the drawings.

First, as shown in FIG. 1, the wrapping paper B is held on standby in a substantially vertical state one by one on the front end side of the article A placed on the supply table 1 by using suction force. When the object A to be packaged is brought into contact with the wrapping paper B and forcedly pushed in manually as shown in FIG. 2, the front side of the object A to be wrapped together with the wrapping paper B is clamped by the first finger means 3. At this time, the wrapping paper B is released from the vertical holding state, the front side paper piece B ₁ is folded backward on the article A to be packed, and the protruding paper pieces on both the left and right sides are edge-folded.

Next, as shown in FIG. 3, the finger means 3 moves forward, and the article A to be packaged is transported together with the wrapping paper B onto the carrier 4. After that, as shown in FIG. 4, the finger means 3 is released from the sandwiched state and further moved forward, and after the carrier table 4 is lowered, the second finger means 5 starts to move forward, and the rear side paper piece B ₂ of the wrapping paper B ₂ Is folded forward on the article A to be packaged, and the left and right protruding paper pieces are edge-folded as described above. During this time, the wrapping paper vertical holding means 2 operates to put the wrapping paper B in the vertical standby state, and then the first and second finger means 3 and 5 double-act to return to the positions shown in FIG. The table 4 is moved up to its original position, and the next object A to be packaged is continuously packaged as described above.

At the time of the subsequent wrapping, when the first finger means 3 starts to move forward as shown in FIG. 2, the wrapping paper B has already been folded and the article A to be wrapped (shown by the one-dot chain line) on the carrier 4 is moved forward. It is pushed and reaches the binaural folding means 6. Here, the edge-folded left and right protruding both ears are folded back to the upper surface of the article A to be packaged, and the ends thereof are sealed by the tape applying device 8 described in an example described later to complete the packaging.

(Example) Hereinafter, the present invention will be described more specifically with reference to the drawings. FIG. 1 is an overall longitudinal front view showing an embodiment of the device of the present invention, and FIGS. 2 to 4 are similar views showing the operating state of the device, and FIG.
Fig. 1 is a partially cutaway perspective view of line V in Fig. 1, and Fig. 6 is VI in Fig. 1.
FIG. 7 is a partially cutaway perspective view of the line portion of FIG. 1, and FIG. 7 is a partially cutaway perspective view of the line portion of FIG.

1 to 7, a plurality of articles A to be packaged A are provided on the supply table 1.
Are stacked and sequentially supplied in the horizontal state from the uppermost package A. After that, the elevating device 11 is actuated by receiving a signal from a level detector (not shown), and the supply table 1 moves to the next package A
Is raised to a position where it can be supplied.

The package vertical holding means 2 is used for the package A on the supply table 1.
... Frames 21 that are constructed adjacent to each other on the machine base, and a suspension chain 2 having one end fixedly provided above the frame 21.
2 and the motor for winding the chain 22 half turn (not shown)
It comprises a driven gear sprocket 23, a weight bar 24 held between the sprocket 23 and the fixed point, and a suction means 25 suspended at the other end of the chain 22.
The weight bar 24 and the suction means 25 are installed between the both side frames 21 and are vertically movable in opposite directions along vertical guide rails (neither of which is shown) attached to the frame 21. As shown in FIG. 5, the suction means 25 includes left and right mounting base plates 26, and a hollow rectangular suction pipe 27 provided with a plurality of suction ports 271 installed between them at substantially equal intervals along the longitudinal direction. A flexible suction hose (which is connected to a suction pump (not shown)) 28 connected to the suction pipe 27. Both sides of the suction pipe 27 are pivotally supported by the mounting base plate 26 via support shafts 272 in an eccentric position, and pins 273 project on both sides of the suction pipe 27 apart from the support shaft 272. Has been done. The pin 273 has a circular arc groove 261 formed on the both-side mounting base plate 26 at an angle of about 45 ° with the support shaft 272 as the center of curvature.
The chain 22 is slidably inserted, and its end is fixed to the other end of the chain 22. When the mounting base plate 26 is in the suspended state as shown in FIGS. 1 to 3, the pin 273 abuts on one end of the circular arc groove 261, and the suction pipe 27 is connected to the suction port 2.
71 ... Stand still at an inclination angle of about 45 ° which is directed obliquely downward. Then, due to the rotation of the sprocket 23, the mounting base plate 26 descends, and the suction pipe 27 rides on the upper surface of the rear end of the wrapping paper B stacked on the wrapping paper stock base 9 described later,
The circular groove 26 of the pin 273 as well as the looseness of the chain 22
As a result of relative sliding within 1, the suction pipe 27 falls down as shown in FIG. 4, and the opening side of the suction port 271 matches the wrapping paper B. As a result, the end of the wrapping paper B is sucked from the suction port 271. To be If the sprocket 23 is rotated in this state in the reverse direction to raise the mounting base plate 26, the wrapping paper B is held in the vertical atmospheric state as shown in FIGS.

The above-mentioned wrapping paper stock base 9 is housed in the lower side of the machine base, that is, substantially directly below the carrying base 4 by the side portions 91, so that it can be freely taken in and out. To go.

The finger means 3 of FIG. 1 is composed of a horizontal finger plate 31 on the upper surface, a bottom plate 32, and a vertical pushing plate 33 on the front end, which are framed in a substantially U-shape open rearward. The fingers 34 of are fixed. On the upper surface of the finger plate 31, a cylinder that vertically expands and contracts (for example,
The air driven type) 35 is provided, and the rod 351 penetrates the finger plate 31 and the lower end projects to the lower surface of the finger plate 31. The finger means 3 can be reciprocally driven back and forth via sliding plates 36 fixed to both sides. The sliding plate 36 has slide bars 361, 36 as shown in FIG.
1 is fixed in the middle of an endless chain 363 which is slidable back and forth along with a motor 362 and is driven back and forth by a motor 362. By driving the chain 363, the finger means 3 is reciprocally driven back and forth along slide rods 361 and 361. To do. Limit switch 311 on finger plate 31
When the object A to be packaged is forcibly pushed into the U-shaped space of the finger means 3 together with the wrapping paper B as shown in FIG. 2, the limit switch 311 is actuated. 35 is activated and its rod 35
1 The lower end and the bottom plate 32 sandwich the front part of the article A to be packaged together with the wrapping paper B. At the time of the above-mentioned pushing, the wrapping paper B is pulled, released from the suction holding by the suction tube 27, and the front side paper piece B ₁ is folded rearward on the object to be packed A by the action of the finger plate 31 and protruded to the left and right. The paper piece is also edge-folded by the fingers 34 at the same time. The suction and separation of the wrapping paper B is performed by the pulling action associated with the above-mentioned pressing, but when the suction tube 27 is obliquely stationary as described above, the resistance is small and the separation is easy.

The second finger means 5 is composed of a finger plate 51 on the upper surface and fingers 52 on the left and right sides of the lower portion thereof, and is stacked vertically with the first finger means 3 at the start of packaging as shown in FIGS. 1 and 2. Placed in a relationship. The finger means 5 comprises sliding plates 53 on both sides, and the sliding plates 53
Similarly to the above, is supported by a slide rod (not shown) installed in the front and rear direction so as to be slidable in the front and rear direction and fixed in the middle of a chain 55 which is endlessly driven by a motor 54. By driving the chain 55, the finger means 5 reciprocates back and forth. Thus, the first finger means 3
Is moved forward, the rear side paper piece B ₂ of the wrapping paper B covers the upper surface of the finger plate 51, and when the transport table 4 descends with the object A to be packaged as it is, the front surface of the finger means 5 is cover. Next, as shown in FIG. 4, the finger plate 51 moves the object A
The rear paper piece B ₂ moves along the rear upper surface, and at this time, the rear paper piece B ₂ is folded forward by the action of the finger plate 51, and the left and right protruding paper pieces are edge-folded by the fingers 52.

The carrier table 4 can be moved up and down by the elevating means 41, and the second finger means 5 at the start of packaging as shown in FIG.
Has a length extending from the front end portion of the stop position to the end of the arrangement position of the binaural folding means 6. Therefore, when the second finger means 5 moves forward, the objects to be packaged A on the carrier table 4 and the supply table 1 ...
A gap is created between the suction pipe 27 and the suction pipe 27 of the vertical holding means 2 and the like.

A first tape applying device 7 and a wrapping paper stretcher 71 are arranged above the rear part of the carrier 4. The tape applying device 7 is disclosed in Japanese Patent Application No. 62-123245 of the present inventor.
The device proposed by No. No. (filed on May 20, 1987) is preferably adopted, and the laminating direction is arranged so as to be orthogonal to the traveling direction of the packaged object. Further, the body-rotating body 71 is composed of a rotation support shaft 711 and a plurality of rubber wings 721 that are radially fixed to the support shaft 711. Tape application device 7
After the folding of the front and rear paper pieces B ₁ and B ₂ is completed (the state of FIG. 4 or FIG. 1), the rotating body 71 descends.
Rotates as indicated by arrow a, and the wings 721 ...
Rotates while pressed against the _first surface to Dojime the the paper piece B ₁ by the frictional resistance to the rearward. Then, concerning seal threaten the end of the rear paper B ₂ by taping device 7 is activated.

The binaural folding means 6 arranged at the end of the carrier 4 has a seventh
As shown in the figure, a horizontal upper plate 611 facing the central portion of the carrier 4.
And the left and right inverted L-shaped folding members 61 including the vertical side plates 612 connected to the side portions of the upper plate 611 and driving left and right, and the left and right vertically extending vertically inside the folding members 61. It is composed of a horizontal folding plate 62. A rear end portion of the vertical side plate 612 is an inclined cut surface 613 that is gently inclined, and a rear end portion of the upper plate 611 is also an inclined cross section 614 that is continuous with the cut surface 613 and cut. As described above, when the article A to be packaged advances and the protruding edge portion B _{3 of} the wrapping paper B that reaches the edge of the inclined cut surface 613 approaches the inclined cut surface 613, the inclined surface 614 works further. The upper plate 611 faces upward and is erected by the inner edge of the upper plate 611. When the article A to be packaged comes to a predetermined position between the folding members 61, it stops there, and then the folding plate 62 descends along the side portion of the article A to make the standing ears B ₃ substantially vertical. Fold in. After the folding plate 62 rises, the folding member 61 moves inward and the upper plate 611 causes the ear portion B ₃ to be folded back to the upper surface of the article A to be packaged. After that, the tape applying device 8 disposed inside the folding means 6 descends to seal the end portion of the ear portion B ₃ and complete the packaging. As in the above case, the tape application device of the prior application of the present inventor is preferably adopted, and the attachment direction thereof matches the traveling direction of the article A to be packaged, and a pair is arranged on the left and right.

The package thus completed is sequentially discharged from the end of the carrier 4. At the end of the carrier 4, a vertically movable product stock table similar to the supply table 1 ( (Not shown) is arranged, and a level detector (not shown) is activated every time the package is discharged, and the package is sequentially stacked on the stock table. .

In the above embodiment, the wrapping paper stock table 9 is arranged at the lower part of the machine stand and the wrapping paper is pulled up and held in the vertical standby state. However, conversely, it is arranged above. It is also possible to hold the wrapping paper in the same vertical standby state by pulling it down one by one. Needless to say, other changes can be made without departing from the present invention.

(Effects of the Invention) As described above, in the packaging apparatus of the present invention, the wrapping paper is held in the vertical standby state by using the suction force and then the wrapping is started. It can be provided on the upper part, and even if the object to be packaged is large and heavy, it is not necessary to separately secure a planar space required for the stock portion of the wrapping paper, and the entire apparatus does not become large. Moreover, the device operates almost automatically and extremely smoothly as described above, and efficient packaging is guaranteed. The present invention having such remarkable advantages has great practical value.

[Brief description of drawings]

FIG. 1 is an overall vertical sectional front view showing an embodiment of the device of the present invention,
2 to 4 are similar views showing the operating state of the apparatus, FIG. 5 is a partially cutaway perspective view of the V line portion in FIG. 1, and FIG. 6 is FIG.
FIG. 7 is a partially cutaway perspective view of the VI line portion, and FIG. 7 is a partially cutaway perspective view of the VII line portion of FIG. DESCRIPTION OF SYMBOLS 1 ... Supply stand, 2 ... Wrapping paper vertical holding means, 3 ... 1st finger means, 4 ... Conveyance stand, 5 ... 2nd finger means,
6 ... Binaural folding means.

Claims (1)

[Claims] 1. A supply table (1) on which a substantially plate-shaped rectangular parallelepiped object (A) is placed horizontally, and a wrapping paper on the front end side of the object (A) to be packaged on the supply table (1). The wrapping paper vertical holding means (2) for holding the wrapping papers (B) one by one by using suction force in a substantially vertical state, and the wrapping papers in the vertical state are forcibly pushed in contact with each other. The packaged object (A) is sandwiched together with the wrapping paper (B) and transferred to the front side, and at the same time, the front side paper piece (B ₁ ) of the wrapping paper (B) is folded rearward on the packaged object (A) and at both sides. First reciprocating finger means (3) for edge folding, a carrier (4) for receiving the transferred object (A) to be packaged, and a package (A) to be packaged on the carrier (4) Second reciprocating finger means (5) that folds the rear paper piece (B ₂ ) of the paper (B) forward and performs edge folding on both sides.
A tape tensioning means (7) for sticking an adhesive tape to the end portion of the folded back side paper piece (B ₂ ), and a wrapping paper arranged at the end portion of the carrier table (4). and Mimiorikae means (6), folded packaging device consisting of a tape tension means (8) for matching the edge portion joining the adhesive tape of the ear portion of the wrapping paper (B _3).