JPS61127407A - Method of packaging article - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a method for completely wrapping articles such as furniture in a film.

Conventional Structure and Problems Conventionally, when packing furniture in a cardboard box, a film bag is held with its mouth wide open, and then a worker lifts the furniture and removes it from the film bag. First, the opening of the film bag is closed, and then the furniture containing the film is packed in a cardboard box.

Problems to be Solved by the Invention According to the above conventional configuration, the film bag must be held with its mouth wide open, and multiple workers must lift furniture and insert it into the film bag. Because it is necessary, it takes time and effort, is inefficient, and forces one worker to work excessively.

It is an object of the present invention to provide a method for packaging articles that solves the above-mentioned problems. 6. Means for Solving the Problems In order to solve the above-mentioned problems, the method for packaging articles according to the present invention includes the following steps:
With the gate-shaped film at the tip end facing down on the article, the article was conveyed on a conveyor with its front surface in contact with the seal section, and then the article was passed through a seal/cut device. After that, the film is sealed and cut on the rear side of the article by a seal-cut device, and then the article h is lifted by a holding device, and then a pair of supporting members waiting on both sides of the article are approached to the article. to support the lower edge of the article via the film, then release the carrying device, and then seal and cut the film on the bottom side of the article to package the article. It is something.

EXAMPLE An example of the present invention will be described below based on the drawings. (1
) is a double flat film formed by crushing a cylindrical film into a gusset shape, and is pre-wound into a roll around a roll core. The roll core (2) is rotatably supported on the side of the machine frame (3). A chain conveyor M7 (6) with legs (5) for supporting and conveying an article (4) (a sofa in this embodiment) is disposed at a lower portion passing through the machine frame (3). A part of the machine frame (3) is provided with a film supply device (7) that supplies the film (1) in the line direction.
) is provided on the - side upper part of the machine frame (3),
A first guide roller (8) is provided to guide the film (1) that is rewound and transported upward toward the other side. Laura (8)
A second guide roller (9) is provided to turn the film (1) upside down and then guide it to the downstream side of the conveyor.

Furthermore, a second guide roller (9
) is provided with a third guide roller (lO) that reverses the film (1) and guides it to the upper side of the conveyor 6. A portal frame (11) is provided at the front end of the -hi section of the machine frame (3). is erected, and a roller support frame (12) is installed on the top of this portal frame (11).
) is installed. A drive roller (14) and a drive roller (14) are provided on the rear side of the roller support frame (12).
A presser roller (15) that holds the film (1) between
and a fourth guide roller (16) on the front side.
The film (1) hangs down between the 6th drive roller (14) and the fourth guide roller (16) where the film (1) is disposed, and a weight roller (
17) is provided. This weight roller (17) may be floating or may be guided up and down by a guide. The drive roller (14) is connected to the motor (18) of the motor support frame (13) by an endless transmission mechanism (19).
) are interlocked and connected. The weight roller (1
A detection device (20) such as a photoelectric type for detecting the maximum amount of hanging of the film (1) through the film (1) is provided on the motor support frame (13), and the detection signal from this detection device (20) causes the motor ( 18) is stopped. A core plate facing forward and downward is disposed in front of the fourth guide roller (16). Here, film (1) is, as mentioned above,
- Side (IA), other side (IB), and folded parts (IC) on both sides
The core plate is formed by compressing it into a gusset shape, and the core plate includes a long core plate (21) located between the other side (IB) at the - position and the folded part (IC), and the lower side. One side (
A six-sided core plate (21) (22) consisting of a short core plate (22) located between the IA) and the folding part (IG) and facing the end side of the long core plate (21). ) is 54 years old (2
3) are integrated at a predetermined interval. A cutting device (24) such as a razor blade is attached to the lower end of the short core plate (22). (24)
In this method, an incision (ID) is formed in the center of the − surface (IA) of the film (1), and the − surface (IA) is divided into left and right dividing sides (
la) (la) (see Fig. 6), the lower end of the short core plate (22) is attached to the portal frame (11) via a member (25). a film guide device fi that feeds the film (1) in a gate shape in the line direction from below the core plate (21) into the machine frame (3);
(26) is installed, that is, at the top of the machine frame (3), an upper guide (27) that supports and guides the other surface (1B) of the film (1) from below is installed along the chain conveyor (6) (on one side of the
On both sides of the front end of 7), there is a pair of left and right side guides (2
8) (28) is provided. This side guide (28)
consists of a shaft (30) attached to a holding rod (40) connected from the machine frame (3) via a left-right pin (29) so as to be able to swing back and forth; The idle roller (
31). Also, between the lower end of the shaft portion (30) and the machine frame (3), there is a spring (
32) is provided. A seal/cut device (33) is provided in the middle of the chain conveyor (6), and this seal/cut group! (33) is a holding frame (34) and a pair of left and right pressure frames (35) attached to this holding frame (34).
) (35), and these pressurizing frames (35)
(35) are movable toward and away from each other, and have a plurality of heaters and the like on opposing surfaces. A stretching device (36) for vertically stretching the seal forming portion of the film (1) is provided at the rear end of the upper guide (27). This expansion device′
, 36) swings the opening tool (37) which can be freely swung between a horizontal position in which it enters between both pressurizing frames (35) and an upright position in which it exits upwardly from between both pressurizing frames (35). It is composed of a cylinder device (38) for moving the cylinder.

Further, at the rear end of the upper guide (27), there is a nozzle (39) facing the conveying direction and spouting air into the film (1).
will be placed. (41) is a seal cut tribe! (33
) is located downstream of the bottom packaging device and consists of the following: (42) is a chain conveyor (
6) A lifting device disposed within the lifting table (
43) and its elevating table (43) are made to protrude above the top of the leg (5) from below the top of the leg (5) to lift the article (
4) and a first cylinder device (44) for lifting. Reference numeral (45) denotes a support member having a cross-section shaped like an arrow, which is disposed on both sides of the lifting table (43), and the guide rod (46) fixed to both ends of the support member is connected to the machine frame (47) by the arrow mark (45).
It is supported so as to be movable in the A) and (B) directions.

(48) is a second cylinder device whose main body is fixed to the machine frame (47) and whose piston rod tip is fixed to the center of the support member (45); It is a seal cut bar arranged.

Like the support member (45), it moves in the directions of arrows (A) and (B) via the guide rod (50). (51) is a third cylinder device that moves each seal cut bar (49).

Next, the function of the above embodiment will be explained. The film (1) wound in a roll around a 60-layer core (2) is as follows:
Both rollers (14) (1) in the film supply device (7)
5), and is guided by the first guide roller (8), second guide roller (9), and third guide roller (10), and then transferred to the rollers (14) and (15). reach , then these rollers (14) (15)
The film (1) sent out from the weight roller (
17) While being transferred to the fourth guide roller (16) and being guided by the rain cores 1 (21) (22), the central part of one side (IA) fits into the cutting bag as shown in FIG. (24
) is automatically cut by the cut line (10) and the dividing edge (
la) to form (la). The lower other surface (IB) of this film (1) is inverted at the tip of the long core plate (21) and supported and guided on the upper guide (27), and both side edges (1a) are Guided by the side guides (28), it is gradually turned over and expanded into a hanging shape within the machine frame (3) as shown in FIG. Therefore, the leading edge of film (1) is.

The front surface is closed so that the seal part is located one foot below in the center. Further, the opening tool (37) is in a horizontal position as shown by the solid line in FIG. In this state, when the article (4) is placed a on leg (5) of the chain conveyor (6) and conveyed in the direction of arrow C, the article (4) comes into contact with the dividing side (1a) of the film (1), etc. Each guide without (27)
(28) (28) and its front surface comes into contact with the seal portion. As the article (4) is further conveyed, the film (1) is pulled out in a hooked state.

The film (1) is transported by the article (4) transported in this way.
The film (1) is transported by the pulling force when the film is hooked and pulled out, and therefore the driving force of the film supply bag 5i (7) is used only to rewind the film (1). 6 film feeder (7
) is not necessarily the same as the above-mentioned unwinding speed, and therefore, the film (1) to be used next time is prepared during the seal cutting operation. That is, during the withdrawal, the weight roller (17) rises and the amount of slack in the film (1) decreases, as shown by the imaginary line in FIG.
) is not detected, so the motor (18) is driven and the film (
1) is being sent out while being rewound. After the withdrawal is completed, the amount of film (1) that accumulates gradually increases, and as shown by the solid line in FIG. 1, the detection device (20) detects this and the drive of the motor (18) is stopped. As mentioned above, the film (1) that is being pulled out by being hooked to the article (4) is guided from the inner side by the five core plates (21) and (22), so that the film (1) that is being pulled out is
) is prevented from applying tension, and is transported without disturbing the double flat posture, and the cut (10)
6.Furthermore, both side edges (1a) of the drawn film (1) are reversely guided by the side guides (28), and at this time, the left and right pins are pulled out according to the drawing force. By swinging back and forth around (29), tension can be prevented from being applied to the film (1).

During conveyance by the chain conveyor (6) as described above, air is ejected from the nozzle (39) toward the sealed portion inside the film (1), causing the film (1) to become swollen. (6) is slowed down, and the rear surface of the article (4) is cut by the seal cutter (
When the article (4) is conveyed a little after passing through the section 33), it is stopped without any impact.7Then, the chain conveyor (6) is operated in reverse to move the article (4) back a little. Hooking and pulling out of the film (1) by the rectangular article (4) is not necessarily carried out with the film (1) properly hooked, that is, for example, as shown by the imaginary line (A) in FIG. 4) The film (1) is often caught on the front side or both front corners, and it bulges out in this state. 6 Therefore, as mentioned above, when the item (4) is moved back a little, it bulges out. The front surface of the article (4) retreats and separates from the sealed portion side of the film (1), and the article (4) is in a state where there is no or almost no contact with the film (1). As a result, the swollen film (1) descends under its own weight without getting caught in the corners, and is sufficiently and reliably covered over the article (4) as shown by the imaginary line (b) in Figure 1. . In this state, as shown in the first imaginary line, the opening tool (37) is placed in the withdrawn standing position, thereby pulling up the center of the upper side (IB) of the film (1) and cutting the seal/cutting device (33). Stretch the parts facing each other vertically. At this time, air jetting from the nozzle (39) is stopped. Next, the seal cut device (33
) to seal and cut the above-mentioned expanded portion. At this time, as mentioned above, the film (1) is correctly overturned, and the amount of approach of the dividing side (la) at the time of sealing is absorbed by the backward swing of the side guide (28), and the film (1) is Since no tension is applied to 1),
Seals and cuts are performed reliably, allowing for clean packaging. A new seal is then created. After that, the goods (
4) is carried out to the rear by the chain conveyor (6),
Further, the seal cutting device (33) is made inactive and the opening tool (37) is placed in a horizontal position to return to the initial state.

Next, as shown in Figure 9(a), a bag-shaped film (1)
When the article (4) covered with (4) Pick it up (see Figure 1). Next, Figure 9 (
As shown in b), the second cylinder device [(48) moves the supporting member C115) in the direction of the arrow (A), and the lower end side edge of the article (4) is attached to the film (1) by both supporting members (45). Primary lifting cheedel (43) supported through
After raising and lowering the sheet, as shown in FIG. 9(C), the sheet is held between both seal cut bars (49), sealed, and cut. By double wrapping the article (4) is completely wrapped in the film (1). Next, as shown in Figure 9(d), the seal
After moving the cut bar (49) in the direction of arrow (B), the lifting table (43) is raised to receive the article (4), and then the support member (45) is moved in the direction of arrow (B). Then, the lifting table (43) is lowered and the article (4) is placed on the leg (5). Next, the article (4) is completely wrapped in the film (1) by the operation of the chain conveyor (6).
will be paid out.

If the roll-shaped film (1) is small in weight or easy to handle (set), it should be placed in the machine frame (3).
), in which case each guide roller (8
) (9) (to) can be saved, and the machine frame (3)
7. The above-mentioned film (1) that can simplify the outside is:
It may be transparent, translucent, opaque, etc. 6. Effects of the Invention C. According to the present invention, it is possible to completely package an article with a film. hand.

It is highly efficient and does not impose excessive labor on the working tools.

Therefore, it is ideal for packaging furniture6.

[Brief explanation of drawings]

The figure shows one embodiment of the present invention, and FIG. 1 is a side view. Fig. 2 is a plan view, Fig. 3 is a front view, Fig. 4 is a perspective view of main parts, Fig. 5 is a schematic perspective view of the bottom packaging device, Fig. 6 is a sectional view of the core plate portion, Fig. 7 Figure 8 is a schematic front view of the main parts;
FIGS. 9(a) to 9(d) are schematic views showing the packaging procedure for the bottom of the article. (1)...Film, (4)...Goods, (5)...
・ Leg, (6)...Chain conveyor, (33)...
・Seal/cut device, (41)...bottom packaging device,
(42)... Lifting device, (45)... Support member,
(49)...Seal Cut Bar Agent Mori
Hon Yoshihiro Nakaba, To 1□

Claims (1)

[Claims] 1. With the gate-shaped film at the tip end facing down on the article from above, the article is conveyed on a conveyor with its front surface in contact with the sealing section, and then the article passes through the seal/cut device. After that, the film is sealed and cut on the rear side of the article by a seal-cut device, and then the article is lifted by a lifting device, and then a pair of support members waiting on both sides of the article are brought close to the article. An article characterized in that the lower end side edge of the article is supported via a film, then lifting by a lifting device is released, and then the film is sealed and cut on the bottom side of the article to package the article. Packaging method.