JP2791206B2 - Laminate packaging method and apparatus - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a method and an apparatus for packaging a laminate for film packaging of various heights of the laminate. here,
The laminate is, for example, a laminate of printed materials such as newspapers and magazines.

[Prior Art] Conventionally, as a method and an apparatus for packaging this kind of laminate, there is, for example, one shown in FIG.

That is, in the main device 1, each of the films packaged in accordance with the height of the laminate is band-fixed by one band mechanism 2, changed direction through the transport roller 4, and further band-bonded by the other band mechanism 3. Thus, the film-wrapped laminate is cross-hung by a band.

[Problem to be Solved by the Invention] However, in such a conventional method for packaging a laminate and its apparatus, the apparatus has two band mechanisms 2, 3 and a conveying roller 4, so that the apparatus becomes large and a wide installation is required. There is a problem that a place is required, and two band tightening processes are required after film packaging with the main device 1, resulting in poor work efficiency.

SUMMARY OF THE INVENTION The present invention has been made in view of such conventional problems, and provides a method of packaging a laminate capable of reducing the size of an apparatus and improving work efficiency, and an apparatus therefor. It is an object.

"Means for Solving the Problems" The gist of the present invention for achieving the object is as follows. 1 In a packaging method for film packaging a laminate having various heights, the laminate was vertically extended. An extrusion process in which the laminate is sent to the rear of the film surface, the laminate is pushed forward by a push member, and the laminate is wrapped from the front by the film, and the upper portion of the film turned to the upper side of the laminate is laminated. The lower portion of the film turned on the lower surface of the product is wound around the rear surface of the laminate by the rear sealer mechanism, and the upper portion and the lower portion are welded together, and the height of the laminate is below the standard. When the first side sealer mechanism is used, the upper portion and the lower portion are respectively wound around the side surface of the laminate, and the upper portion and the lower portion are welded together. A first sealing step of sending out the front, and when the height of the laminate sent out in the first sealing step is equal to or higher than a reference, the front portion of the film turned to the front side of the laminate and the rear side of the laminate A second sealing step of winding the rear portion of the turned film around a side surface of the laminate by a second side sealer mechanism and welding the front portion and the rear portion together; and the first sealing step And a band step of wrapping the band extended in the vertical direction from the front at a position where the second sealing step is performed on the laminate sent out in the above step, and band-tightening the band. .

(2) In a packaging device for film-packing a laminate having various heights, the laminate fed into the back of the vertically extended film surface is moved forward so that the laminate is wrapped by the film from the front. A push member that pushes out the upper portion of the laminate, and an upper portion of the film that is turned over the laminate and a lower portion of the film that is turned on the lower surface of the laminate, respectively, are wound on the rear side of the laminate, and And a rear sealer mechanism having a first upper sealer and a first lower sealer that are welded together, and when the height of the laminate is below a standard, the upper portion and the lower portion are respectively wound around the side surface of the laminate. A first side sealer mechanism having a second upper sealer and a second lower sealer for welding the upper part and the lower part together; and a height of the laminate sent from the rear sealer mechanism side. Is greater than or equal to the standard, the front part of the film turned to the front side of the laminate, and the rear part of the film turned to the rear side of the laminate are wound around the side of the laminate, respectively, and the front part A second side sealer mechanism having a front sealer and a rear sealer for welding together and the rear part, and a vertical position at which the second side sealer mechanism operates on the laminate sent out from the rear sealer mechanism. And a band mechanism for winding a band extending in the direction from the front and band-tightening the band.

[Operation] When the laminate is fed behind the vertically extended film surface, the fed laminate is pushed forward by the push member. When the laminate is pushed forward, the film causes the laminate to be wrapped from the front.

The laminate is wrapped from the front with the film, the upper part of the film is turned on the upper side of the laminate, and the lower part of the film is turned on the lower surface of the laminate.

Next, the upper portion and the lower portion of the film are respectively wound around the rear surface of the laminate by the rear sealer mechanism, and the upper portion and the lower portion are welded together.

At this time, when the height of the laminate is below the standard, the upper and lower parts are wound around the side of the laminate by the first side sealer mechanism, and the upper and lower parts are welded together. I do.

After welding, the laminate is sent forward. When the height of the fed laminate is higher than the standard, the front part of the film turned to the front side of the laminate and the rear part of the film turned to the rear side of the laminate are connected to the second side sealer. The rolls are respectively wound on the side surfaces of the laminate by the mechanism, and the front part and the rear part are welded together.

Similarly, when the laminate is sent forward from the first side sealer mechanism side, a vertically extended band is wrapped around the laminate from the front, and the laminate is banded.

Banding is performed regardless of whether the second side sealer mechanism operates.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

 1 to 13 show one embodiment of the present invention.

As shown in FIGS. 1 to 3, the apparatus main body 10 is an upper stage,
It is constructed by the middle and lower frame parts 11, 12, and 13 and the vertical frame part.

At the start end side of the apparatus main body 10, a carry-in roller 20 for carrying the laminate into the middle frame portion 12 from the front side to the back side of the apparatus main body 10 is provided.
Is installed.

Here, as shown in FIGS. 10 and 13, the laminate is a stack of magazines stacked high or stacked low.

In the upper frame 11 on the starting end side of the apparatus main body 10, two guide rods 15, 15a extending in the transport direction orthogonal to the loading direction are fixedly provided on the front side and the back side. Two guide rods 1
A support member 21 is bridged between 5, 15a, and each guide rod 1
Both ends of the support member 21 are movably fitted to 5, 15a. The support member 21 is connected to a chain member 22, and the chain member 22 is wound around an output sprocket 24 that is linked to a drive motor 23.

The support member 21, the chain member 22, the drive motor 23, the output sprocket 24, and the like constitute a front-rear drive unit.

A slider 25 is attached to the support member 21 so as to be movable in a direction parallel to the loading direction by an air cylinder (not shown),
The arm portion 31 of the push member 30 is fixed to the slider 25. A push plate 32 is fixed to the tip of the arm member 31.

An air cylinder, a slider 25, and the like, not shown, constitute a both-side driving unit.

As shown in FIG. 4 and FIG. 5, the push member 30 moves to both sides, that is, to the back side after moving forward, and further, the push member 30 moves to the back side after moving to the back side. An air cylinder and a drive motor (not shown) are controlled so that the member 30 moves rearward after moving rearward.

In order to detect the position of the push member 30, a proximity switch is provided at a predetermined position.

A film 40 extends vertically in front of the carry-in roller 20. The feeding mechanism 27 is mounted on each of the upper frame portion 11 and the lower frame portion 13. The film 40 extends to both feeding mechanisms 27 via the guide roller 26 and the guide member 26a. The feeding mechanism 27 feeds the film 40 by a predetermined length to the carry-in roller 20.
It is sent in front of.

A rear sealer mechanism 50 is provided on the front side of the vertically extending film 40. The rear sealer mechanism 50 includes a first upper sealer 51 and a first lower sealer 52 arranged vertically. The first upper sealer 51 is an air cylinder 51a, and the first lower sealer 52 is vertically movable with the air cylinder 52a.

A photoelectric tube 18 is disposed in front of the carry-in roller 20 at a vertically intermediate position between the upper frame portion 11 and the lower frame portion 13. The photoelectric tube 18 detects whether the laminate is high or low.

A transfer rail 53 is fixed to the middle frame portion 12 so as to be continuous with the carry-in roller 20. A guide rod 54 parallel to the transport direction is fixed to the middle frame portion 12, and a support member 55 is movably fitted to the guide rod 54,
The support member 55 has a claw member for conveyance via an air cylinder 56.
57 is mounted movably up and down.

An air cylinder 56 is connected to a chain member 58, and the chain member 58 is connected to an output sprocket 59
It is wrapped around a.

A first side sealer mechanism 60 is provided at both front positions of the film 40 extending in the vertical direction. The first side sealer mechanism 60 includes a second upper sealer 61 and a second lower sealer.
62 are arranged up and down. The second upper sealer 61 is an air cylinder 62a, and the second lower sealer 62 and the air cylinder 62a are vertically movable. An air cylinder 61a is fixed to the upper frame 11, and an air cylinder 62a is fixed to the middle frame 12.

In the middle frame portion 12, a transport belt 63 is disposed so as to be continuous with the transport rail 53.

A band mechanism 70 is disposed at the end of the transfer rail 53. The band mechanism 70 includes an upper seal head 71 and a lower seal head 72 disposed vertically. The upper seal head 71 is vertically movable by an air cylinder 71a, and the lower seal head 72 is vertically movable by an air cylinder 72a.

The band 45 extends between the upper seal head 71 and the lower seal head 72. Band 45
Is fed through a gripper not shown. The gripper grips the band so as not to move for a predetermined time.

A second side sealer mechanism is provided on both sides above the conveyor 63.
80 are arranged. The second side sealer mechanism 80 includes a front sealer 81 and a rear sealer 82 disposed in front and rear.

Two arm members 83 and 84 are pivotally supported on the base member 17 fixed to the apparatus main body 10 so as to be swingable, respectively. A front sealer 81 is attached to a distal end of the arm member 83, and a distal end of the arm member 84. Is equipped with a rear sealer 82. Gear members 85 and 86 are fixedly provided at the base ends of the arm members 83 and 84. When the arm member 84 swings by the air cylinder 87, the arm member 83 also swings and the front sealer 81 and the rear sealer
The gear members 85 and 86 mesh with each other so that the gear 82 approaches.

A band device 90 is provided adjacent to the device main body 10. The band device 90 is configured such that an arch portion 91 is erected on a base 91, and a band (not shown) inserted in the arch portion 91 is wound around a laminate passing through the arch portion 91.

 Next, the operation will be described.

When the push member 30 moves to the forward position, a proximity switch (not shown) detects the movement, and an air cylinder (not shown) operates, and the push member 30 located at the center position in the depth direction moves to the back side.

Since the push member 30 moves to the back side, a new laminate placed on the carry-in roller 20 in advance can be sent from the near side to the back side immediately after the push member 30 moves to the forward position. At this time, the laminate does not interfere with the push member 30.

When the push member 30 moves to the back side, a proximity switch (not shown) detects this, and the drive motor 23 rotates reversely,
Output sprocket 24 to support member via chain member 22
As the 21 moves rearward, the push member 30 at the forward position retreats.

When the push member 30 returns to the retracted position, the proximity switch similarly detects this, and an air cylinder (not shown) is operated to move the push member 30 to the original central position.

When the push member 30 moves to the center position, the drive motor
23 rotates forward, and the support member 21 moves forward through the output sprocket 24 to the chain member 22. Thereby, the newly loaded laminate is pushed forward by the push member 30.

When the laminate is extruded forward, the laminate is wrapped from the front by the film 40 that extends vertically in the front.

The laminate is wrapped from the front by the film 40, and the upper portion 41 of the film 40 is turned on the upper side of the laminate, and the lower portion 42 of the film 40 is turned on the lower surface of the laminate.

When the laminate is wrapped from the front by the film 40, the air cylinders 51a and 52a of the rear sealer mechanism 50 operate, and the first
The upper sealer 51 is lowered, the upper portion 41 of the film 40 is rolled into the rear side of the laminate, the first lower sealer 52 is raised, and the lower portion 42 of the film 40 is rolled up to the rear side of the laminate.

Further, when the first upper sealer 51 is lowered and the second lower sealer 52 is raised, the first upper sealer 51 and the first lower sealer 52 sandwich the upper part 41 and the lower part 42, and as shown in FIG. The lower part 41 and the lower part 42 are welded together.

If the stack pushed out by the push member 30 and does not block the light beam of the photoelectric tube 18, that is, if the height of the stack is below the reference as shown in FIG. 4, the first side sealer mechanism 60 Of the air cylinders 61a and 62a
The upper sealer 61 is lowered, the upper portion 41 of the film 40 is rolled into the side of the laminate, the second lower sealer 62 is raised, and the lower portion 42 of the film 40 is rolled toward the side of the laminate.

Further, when the second upper sealer 61 is lowered and the second lower sealer 62 is raised, the second upper sealer 61 and the second lower sealer 62 sandwich the upper part 41 and the lower part 42, and as shown in FIG. The lower part 41 and the lower part 42 are welded together.

When the welding is performed, the air cylinder 56 is operated, and the claw member 57 for conveyance is raised. When the transport claw member 57 is raised,
The drive motor 59 rotates forward, the support member 55 moves forward through the output sprocket 59a, the chain member 58, and the air cylinder 56, and the claw member 57 for conveyance moves forward. After moving forward,
The transport claw member 57 descends and returns to the original position.

When the transport claw member 57 advances and the laminate is sent forward, the band 45 extended in the vertical direction is wound around the laminate from the front. At this time, the gripper not shown is in a non-gripping state.

When the band 45 is wound around the laminate from the front, the air cylinders 71a and 72a of the band mechanism 70 are operated, and the upper seal head 71 is lowered and the lower seal head 72 is raised.

During this time, the gripper enters the gripping state, and the band 45 is wound around the laminate without loosening.

Further, when the upper seal head 71 is lowered, the lower seal head 72 is raised, and the upper seal head 71 and the lower seal head 72 come close to each other, as shown in FIG. 45 and the band turned down
45 is welded and cut.

Both ends of the cut band are welded simultaneously to prepare for the next band process.

When the laminate pushed out by the push member 30 and blocks the light beam of the photoelectric tube 18, that is, when the height of the laminate is higher than the reference, as shown in FIG. 5, the first side sealer mechanism 60 is provided. Does not operate, and the claw member 57 for conveyance
The laminate is transported.

When the stack is conveyed by the conveying claw member 57, the band mechanism 70 and the second side sealer mechanism 80 operate.

That is, the air cylinder 87 is actuated, the two arm members 83 and 84 swing, the front sealer 81 moves rearward, and the front portion 43 of the film 40 turned to the front side of the laminate.
Is rolled into the side of the laminate and the rear sealer
82 moves forward, and the film 40 is turned to the back of the laminate.
Rear portion 44 is wound on the side surface of the laminate.

Further, when the front sealer 81 moves rearward and the rear sealer 82 moves forward, as shown in FIG. 11, the front part 43 and the rear part 44 are welded together.

At the same time, the band mechanism 70 operates, and FIG.
As shown, the laminate is banded.

The laminate conveyed from the device main body 10 to the base 91 of the band device 90 by the conveyor belt 63 is band-fastened by a band (not shown) inserted in the arch portion 91. Thereby,
As shown in FIGS. 10 and 13, the laminate becomes cross-hung.

In the above embodiment, the device main body 10 and the band device 90 are shown as separate bodies, but they may be provided integrally.

In addition, as shown in FIGS. 4 and 5, the push member 30 completely retreats to the back side and then retreats. However, the push member 30 moves to the back side, and It may be one that moves to.
Thereby, work efficiency can be further improved.

`` Effects of the Invention '' According to the method and the apparatus for packaging a laminate according to the present invention, the band is wound around the laminate when the film is packaged. It is only necessary to use one band device for banding the laminate carried out from the device in only one direction, so that the entire device can be reduced in size and work efficiency can be improved.

[Brief description of the drawings]

1 to 13 show an embodiment of the present invention. FIG. 1 is a front view of a packaging apparatus for a laminate, FIG. 2 is a plan view of the same, and FIG. FIGS. 4 to 7 are explanatory views showing steps of film packaging and the like, respectively. FIGS. 8 to 10 are perspective views showing a packaging step when the laminate is low, and FIGS. 11 to 13. Is a perspective view showing the packaging process when the laminate is high, FIG. 14 shows a conventional example,
It is a top view of the packaging device of a laminated material. 10 Apparatus body 20 Loading roller 30 Push member 40 Film 45 Band 50 Rear sealer mechanism 51 First upper sealer 52 First lower sealer 60 First side sealer mechanism 61 second upper sealer 62 second lower sealer 70 band mechanism 80 second side sealer mechanism 81 front sealer 82 rear sealer 90 band device

Claims (2)

(57) [Claims] 1. A packaging method for film packaging a laminate having various heights, wherein the laminate is fed behind a vertically extended film surface, and the laminate is pushed forward by a push member. An extrusion process in which the laminate is wrapped from the front by the film, and the upper portion of the film turned to the upper side of the laminate and the lower portion of the film turned to the lower surface of the laminate are formed by the rear sealer mechanism. The upper part and the lower part are wound together, and the upper part and the lower part are welded together. When the height of the laminate is below a standard, the upper part and the lower part are laminated by the first side sealer mechanism. A first sealing step in which the upper part and the lower part are welded together by being wound onto the side surfaces of the article, respectively, and then sent forward; Is greater than the standard, the front side of the film turned to the front side of the laminate and the rear part of the film turned to the rear side of the laminate are connected to the side of the laminate by the second side sealer mechanism. And a second sealing step in which the front part and the rear part are welded together, and the laminate sent out in the first sealing step is subjected to the second sealing step.
A band step of winding a band extended in the vertical direction from the front at a position where the sealing step is performed, and band-tightening the band. 2. A packaging apparatus for film-packing a laminate having various heights, wherein the laminate is fed from the front to the back of the vertically extended film surface, and the laminate is wrapped from the front. A push member for pushing forward, an upper portion of the film turned to the upper side of the laminate, and a lower portion of the film turned to the lower surface of the laminate are wound around the rear side of the laminate, respectively. A rear sealer mechanism having a first upper sealer and a first lower sealer for welding together the lower part and the lower part; and when the height of the laminate is below a standard, the upper part and the lower part are connected to the side surface of the laminate. A first side sealer mechanism having a second upper sealer and a second lower sealer that are respectively wound around and welded together with the upper part and the lower part; and a product sent out from the rear sealer mechanism side. When the height of the layered product is higher than the standard, the front part of the film turned to the front side of the laminate and the rear part of the film turned to the rear side of the laminate are respectively wound on the side surface of the layered product. And a second side sealer mechanism having a front sealer and a rear sealer for welding the front part and the rear part together, and the second side sealer mechanism operates on a laminate sent out from the rear sealer mechanism. A band mechanism that winds a band extended in the vertical direction from the front at a position where the band is to be fastened and band-tightens the band.