JPH06171629A - Unpacking of case - Google Patents

Abstract

PURPOSE:To accurately unpack a case by checking whether a flap is adsorbed or not by suction on the case after the sucking operation of the flap is performed. CONSTITUTION:After the sucking operation of a flap F1 is performed, a check is made whether the flap F1 is adsorbed or not by suction on a case and, if so, a plate-like body 2 is inserted into a gap between flaps F1 and F2 to unpack the case.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for unpacking a box body such as a corrugated box by inserting a plate-like body into the gap between the flaps after adsorbing the flaps.

[0002]

2. Description of the Related Art As conventional techniques for unpacking boxes, Japanese Patent Publication No. 57-48452 and Japanese Patent Laid-Open No. 62-1 are available.
Those described in Japanese Patent No. 68840 are known.

The conventional technique described in the above publication will be described in Japanese Patent Publication No. 57-48452.
A cardboard box that opens the outer flap of the cardboard box by inserting the protruding member into the gap between the outer flap and the inner flap created by pressing the cardboard box from the left and right with two pressing rollers and slightly lifting the outer flaps on both sides. An opening device is described.

Further, Japanese Unexamined Patent Publication (Kokai) No. 62-168840 discloses an automatic unpacking equipped with an I-paste cutter having a boat-shaped wide plate at the lower end and a blunt blade having no sharpness. Machine is listed.

[0005]

However, the above-mentioned conventional techniques have the following problems.

That is, a cardboard box opening device disclosed in Japanese Patent Publication No. 57-48452, Japanese Patent Laid-Open No. 62-16.
All of the automatic unpacking machines described in Japanese Patent No. 8840,
There is no description and no suggestion of inserting a plate-like body on condition that the flap is adsorbed and the flap is adsorbed.

Therefore, it is an object of the present invention to provide a box unpacking method capable of unpacking the box securely by checking whether or not the flap is sucked after the suction operation of the flap. is there.

[0008]

According to the present invention, in a box unpacking method of unpacking a box body by inserting a plate-like body into the gap between the flaps, the flap is sucked after a suction operation of the flap. The above object was achieved by providing a method for unpacking a box characterized by inserting the plate-shaped body on condition that the flap is adsorbed. It is a thing.

Further, in the box unpacking method of unpacking the box body by inserting the plate-shaped body into the gap between the flaps, the suction operation of the flap is performed after the suction tool is moved based on the position of the flap. If the suction is insufficient, after further moving the suction tool, the suction operation of the flap is performed again, and the plate-shaped body is inserted on condition that the flap is suctioned. A method for unpacking a characteristic box body is provided.

[0010]

The method of unpacking the box body of the present invention is to confirm whether or not the flap is adsorbed after the flap adsorption operation,
The box can be reliably unpacked by inserting the plate-shaped body on condition that the flap is sucked.

[0011]

Embodiments First, embodiments of a box unpacking apparatus suitable for carrying out the box unpacking method of the present invention will be described.

FIG. 1 is a perspective view showing an embodiment of a plate-like body lifting device and a detection tool lifting device of a box unpacking device, and FIG.
4 is a perspective view showing an embodiment of a plate moving device and the like mounted on the plate lifting device shown in FIG. 3, FIG. 3 is a perspective view showing a main part of another embodiment of the box unpacking device, FIG. FIG. 5 is an enlarged view of the plate-like body shown in FIG. 2, and FIG. 5 is an explanatory diagram of an operation procedure of unpacking the box unpacking device shown in FIGS. 1 and 2.

In these drawings, (1) is extended from the top surface portion (P1) toward the bottom surface portion (P2) (upper side).
From flap (F1) and bottom surface (P2) to top surface (P1)
Holds the box body (B) in which the (lower) flap (F2) extending in the direction is butted at the center and glued to the (inner) flap (F3) to form the side surface portion (P3). The box holding device (2) is a plate-like member that is inserted into the gap (G) between the upper flap (F1) and the lower flap (F2), and separates the upper flap (F1) from the inner flap (F3). As shown in FIG. 3, the body (spatula) is provided with one pair on each side of the roller conveyor (7). Further, (3) is a spatula (2), and (2) is an upper flap (F
A left and right moving device that moves the spatula (2) and (2) in the left and right direction so as to pass between 1) and the inner flap (F3), with one roller on each side of the roller conveyor (7). Has been. Further, (4) is a vertical moving device for moving the spatula (2) in the vertical direction, and a pair is provided on both sides with the roller conveyor (7) interposed therebetween. Further, (5) is a plate-shaped body moving device (front-back moving device) mounted on a plate-shaped body lifting device described later, which includes suction tools (58), (58) and spatula (2), (2), One roller is provided on each side of the roller conveyor (7) so that (2) and (2) can be moved in the front-rear direction. Further, (6) is an oscillating device for oscillating the spatula (2), and a pair is provided on both sides of the roller conveyor (7). Also, (8) is a spatula (2), (2),
(2), a plate-shaped object lifting device for lifting and lowering (2), and (9) a detection tool lifting device for lifting and lowering a detection tool (91) that detects the top surface portion (P1) of the box (B), Object lifting device (8)
And the detector lifting device (9) are the same drive device (81)
Moving screws (82), (82), driven by
(92) and (92) are provided, and the moving screws (92) of the detection tool lifting device (9) and the pitch of the (92) moving screws (82) of the plate-shaped object lifting device (8), ( 82), which is twice the pitch. 1 and 2, the roller conveyor (7) is shown in FIG. 3, and the left and right moving device (3) and the forward and backward moving device (5), the plate-like object lifting device (8), the detection tool lifting device ( 9) is omitted in the figure.
Thus, the top surface portion (P
The position of the abutting portion of the upper flap (F1) and the lower flap (F2) is detected based on the position of 1), the lower flap (F2) is pressed by the spatula (2), (2), and suction is performed. The tool (58) sucks the upper flap (F1), and the spatula (2), (2) is moved upward from the gap (G) at the abutting portion between the upper flap (F1) and the lower flap (F2). After inserting along the flap (F1), the spatula (2) and (2) are moved along the upper flap (F1) in the inner flap (F3) and (F3) directions, respectively, so that the upper flap (F1) Is peeled from the inner flaps (F3) and (F3) to unpack the box (B).

Explaining each part in the above embodiment, the box holding device (1) comprises a holding plate (11) and an air cylinder (12), and the holding plate (11) is operated by the operation of the air cylinder (12). It is designed to move up and down.

The spatula (2) is attached to the swing arm (61) of the swing device (6) and is arranged in parallel with the side surface portion (P3) of the box (B) as shown in FIG. The surface to be installed (see FIG. 4 (a)) has a substantially trapezoidal shape, and FIG.
As shown in FIG. 5, the upper end portion (21) is formed into an arc shape, and the uppermost end portion (22) is sharply polished into a blade shape. Further, the side end portion (23) is formed into a blade shape to the extent that it is not sharp.

Further, the left-right moving device (3) is a pair of left-right moving tables (32) which move left and right along a linear rail (31) provided on the forward-backward moving table (51) of the forward-backward moving device (5). , (32), left and right moving bases (32), air cylinders (33) for moving the (32), racks (34) attached to one left and right moving base (32), and the other left and right moving base (32). ) Attached to the rack (35),
The vertical movement device (4) is composed of a pinion (36) for transmitting the motion of the rack (34) to the rack (35) and the like, and is moved left and right by a pair of left and right moving stands (32), (32). ) And the swinging device (6), the pair of spatulas (2) and (2) are passed between the upper flap (F1) and the inner flaps (F3) and (F3). That is, the air cylinder (33) moves one of the left and right moving bases (32) along the linear rail (31), and moves the rack (34) mounted on the left and right moving bases (32) back and forth. It transmits to the rack (35) attached to the other left-right moving stand (32) via the pinion (36) attached to the stand (51),
The other left / right moving table (32) is moved along the linear rail (31) in the opposite direction to the one left / right moving table (32).

Further, the vertical moving device (4) includes a vertical moving table (41) and an air cylinder (42) (in the embodiment shown in FIG. 3, two air cylinders (4) are arranged in series.
2), (43)), and 2 which are erected on the left and right moving base (32)
It is composed of book guides (44), (44), etc., and vertically moves the spatula (2) through the rocking device (6) by vertically moving the vertically moving table (41). It has been done. That is, the air cylinders (42), (4
3) guide the vertical moving table (41) (44),
It is designed to move along (44).

Further, the front-rear moving device (5) includes a pair of front-rear moving bases (51), (51), a linear rail (52) provided on an elevating base (83), and a front-rear direction along the linear rail (52). Moving bases (51), air cylinders (53) for moving (51), racks (54) attached to one of the front and rear moving bases (51), and the other front and rear moving bases (51)
Attached to the rack (55), a pinion (5) for transmitting the movement of the rack (54) to the rack (55).
6), pressure plates (57), (57), suction pads (58), (58) consisting of suction pads (the embodiment shown in FIG. 3 does not include the pressure plate (57), and the suction tool (58) (Not shown), etc., and a pair of front and rear moving tables (5
By moving 1) and (51) back and forth, left and right moving devices (3), (3), up and down moving devices (4), (4),
(4), (4) and rocking device (6), (6), (6),
Spatula (2), (2), (2), (2) through (6)
It is designed to move in the front-back direction. That is, the air cylinder (53) moves one of the front-rear carriages (51) along the linear rail (52), and the movement of the rack (54) attached to the front-rear carriages (51) causes the movement of the racks (54). Pinion (5 attached to (83)
6) to the rack (55) attached to the other front-rear moving table (51) and the other front-rear moving table (5).
1) is designed to move along the linear rail (52) in the direction opposite to the one of the front-rear moving table (51).

Further, the rocking device (6) includes a rocking arm (6
1), an air cylinder (62) (in the embodiment shown in FIG. 3, two air cylinders (62) arranged in series,
(63)), the fulcrum (64), etc., and the air cylinders (62), (63) oscillate the oscillating arm (61) about the fulcrum (64) and the spatula (2). I am supposed to do it.

In the roller conveyor (7), a large number of rollers are mounted side by side on a frame, and a groove (not shown) is provided on the outer peripheral surface of the roller to form a pulley. Power is transmitted to the pulleys via a roller (not shown) to drive the rollers.

Further, the plate-shaped body lifting device (8) includes a drive device (81) and moving screws (82), (8) made of trapezoidal screws.
2), an elevating table (83), and four guides (85), (85), (85), and (85) that are erected on the pedestal (84), and elevate the elevating table (83). Thus, the front-rear moving device (5), the left-right moving devices (3), (3), the up-down moving devices (4), (4), (4), (4) and the rocking devices (6), (6). The spatula (2), (2), (2), (2) is moved up and down via the (6) and (6). That is, the motor (8
6), by rotating the two moving screws (82), (82) with the timing belt (87), the lift table (83) is guided (85), (85), (85), (8).
It is designed to go up and down along 5).

The detector lifting device (9) is a box (B).
The detectors (91), (91), which are photoelectric switches for detecting the top surface portion (P1) of the plate, and the moving screws (82), (82) of the plate-shaped body lifting device (8) are extended coaxially and driven. A movement screw (82) consisting of a trapezoidal screw driven in synchronization with the movement screw (82) by the device (81),
(92), linear rails (93), (93), etc., and moving screws (92), (9) for the detector lifting device (9).
The pitch of 2) is the moving screw (8) of the plate-like body lifting device (8).
2), the pitch of (82) is doubled, and by operating the motor (86), the raising / lowering amount of the detection tool (91) becomes twice the raising / lowering amount of the lifting platform (83). Yes.

Next, an embodiment of the box unpacking method of the present invention using the above box unpacking apparatus will be described.

The side surfaces (P3) and (P3) of the box body (B) are conveyed on the roller conveyor (7) at intervals so that they are located on the side surfaces with respect to the conveyance direction, and stoppers (not shown) are provided. The box body (B) is stopped by aligning the tip of the box body (B) with (positioning in the carrying direction).

When the box body (B) is stopped by the stopper, the drive device (81) of the plate-shaped body lifting device (8) moves the moving screws (82), (82) and the detector lifting device (9). The moving screws (92) and (92) are rotated,
The lifting platform (83) guides (85), (85), (8
5) and (85) as well as the detector (9
1) and (91) rise along the linear rails (93) and (93), and the detection tools (91) and (91) detect the top surface portion (P1) of the box body (B) (the photoelectric switch is Through the light)
Rise to. At this time, the moving screws (92), (9
The pitch of 2) is twice the pitch of the moving screws (82), (82), and the lifting amount of the detection tools (91), (91) is twice the lifting amount of the lifting table (83). Therefore, the front-rear moving device (5), the left-right moving devices (3), (3), the up-down moving devices (4), (4), (4), (4) and the rocking devices (6), (6). , (6), (6) through the spatula (2), (2), (2), (2) top end (22),
(22), (22) and (22) are upper flaps (F
1), (F1) and the lower flaps (F2), (F2) are positioned so as to rise to the position of the gap (G), (G) at the abutting part of the lower flap (F2) and stop (see FIG. 5 (b)). ).

When the lift table (83) is positioned, the pair of front-rear moving tables (51), (51) of the front-rear moving device (5).
By advancing along the linear rail (52), the left and right moving devices (3), (3), the vertical moving devices (4), (4), (4), (4) and the swinging device (6). ,
Spatula (2), through (6), (6), (6)
(2), (2), (2) uppermost end (22), (2
2), (22) and (22) are upper flaps (F1), (F1) and lower flaps (F2), (F2) of the box body (B).
From the top of the kraft tape (not shown) that seals the gaps (G) and (G) into the gaps (G) and (G) of the abutting part with, advance to the contact position (FIG. 5C).
Together with the pressing plates (57) and (57), the pressing plates (57) and (57) move forward to a position where they press the lower flaps (F2) and (F2) of the box body (B), and the box body (B) and the box body (B) are moved. Center the article (W) contained therein. In addition, forward and backward movement of the pair of front-rear moving tables (51), (51) mounted on the lift table (83) positioned based on the top surface (P1), that is, the positions of the upper flaps (F1), (F1). at the same time,
The suction tools (58), (58) move forward, and the suction tools (58),
When (58) is positioned, its vacuum circuit operates and the suction tools (58) and (58) perform suction operation of the upper flaps (F1) and (F1) of the box (B). At this time, the spatula (2), (2), (2), (2) is the inner flap (F3), (F3), (F3), (F3) is the upper flap (F1), (F1). It is positioned so as to be positioned inside (center side) in the left-right direction from the overlapping position.

When the pair of front-rear moving tables (51), (51) are positioned, the air cylinders (12) of the box holding devices (1), (1), (1) at both ends and the central part.
The holding plates (11), (1
1) and (11) descend until the top surface portion (P1) of the box body (B) is pressed to hold the box body (B) (see FIG. 5D). Further, the front-rear moving tables (51) and (51) are positioned, and the suction tools (58) and (58) are attached to the box body (B).
When the upper flaps (F1) and (F1) of the box are sucked, whether the upper flaps (F1) and (F1) of the box (B) are securely sucked by the suction tools (58) and (58). Is confirmed by checking whether the suction vacuum reaches a predetermined vacuum pressure within a predetermined time, and if the suction is insufficient, return the lift table (83) to the origin position, that is, Return the suction tools (58), (58) to the origin position, and repeat the positioning operation of the lift table (83) again,
In the case of the suction failure again, the alarm is output if the suction failure is repeated even after repeating 5 times.

The holding plates (11), (11), (11) hold the top surface portion (P1) of the box (B), and the suction tools (58),
When it is confirmed by (58) that the upper flaps (F1), (F1) are adsorbed, the swinging device (6),
(6), (6), the air cylinder (62) of (6),
By (62), (62), and (62), the fulcrum (6
4), (64), (64), and (64) as swinging arms (61), (61), (61), (61) and spatula (2), (2), (2), (4) 2) is inclined, and the upper flap (F1) of the box (B), the gap (G) at the abutting portion between the lower flap (F2) and the lower flap (F2),
A craft tape (not shown) that seals the top of (G) is sharply ground with a spatula (2), (2), (2), (2) to form an uppermost end (22). ), (2
2), (22), and (22), and the suction tools (58) and (58) are upper flaps (F1) and (F1).
The kraft tape is broken by retreating in a state of adsorbing the above, and the upper flaps (F1), (F1) and the lower flaps (F2), gaps (G), (G) at the abutting portion of the lower flaps (F2), (F2). Expand. At this time, the articles (W) at the first and second stages from the bottom stored in the box (B) are pushed inward (see FIG. 5D).

When the upper flaps (F1), (F1) and the lower flaps (F2), (F2) are widened in the gaps (G), (G) at the abutting portions, the rocking device (6),
By (6), (6), and (6), the inclined spatula (2), (2), (2), and (2) become side surface portions (P3) and (P3) of the box body (B). It is returned so that it becomes substantially parallel.

When the spatula (2), (2), (2), (2) is returned, the vertical moving devices (4), (4), (4),
(4) Air cylinders (42), (42), (4
2) and (42), the vertical moving table (41), (4)
Air cylinders (42), (42), (42), (42) by raising 1), (41), (41)
Spatula (2), (2), (2),
(2) is the gap (G), the upper flap (F
1), the inside of (F1) is lifted (see FIG. 5 (e)). At this time, spatula (2), (2), (2), (2)
Since the upper ends (21), (21), (21) and (21) of the are formed in a bow shape, the spatula (2), (2),
(2) and (2) can be raised smoothly.

The box (B) is tall, and the spatula (2) by the above-mentioned vertical moving devices (4), (4), (4), (4),
If only (2), (2) and (2) are lifted, the upper flaps (F1) and (F1) are replaced by the inner flaps (F3), (F3),
If it is not enough to separate from (F3) and (F3), the upper flap (F) by the suction tools (58) and (58)
1) and (F1) are released from adsorption, and the plate-like body lifting device (8)
The spatula (2), (2), (2), (2) is further raised (see FIG. 5 (f)), and the upper flap (F
1) and (F1) are adsorbed by the adsorption tools (58) and (58). In addition, the spatula (2), (2), (2), (2) has its uppermost ends (22), (22), (22), (22) at the upper flap (F1) and the inner flap (F3). Inserted to a position slightly above the height of the top where and are glued.

When the spatula (2), (2), (2), (2) is inserted to a predetermined position, the left and right moving device (3),
Operate the air cylinders (33) and (33) of (3),
The left and right carriages (32), (32), (32) and (32) are moved along the linear rails (31) and (31) in the inner flaps (F3), (F3), (F3) and (F3) directions. By moving, the vertical movement device (4), (4),
(4), (4) and rocking device (6), (6), (6),
Spatula (2), (2), (2), (2) through (6)
Moves along the upper flaps (F1) and (F1) in the inner flaps (F3), (F3), (F3) and (F3) directions, while breaking the craft tape, the upper flaps (F1), ( F1) inside flap (F3), (F3),
It peels from (F3) and (F3) (see FIG. 5 (h)).
At this time, the side ends (23), (23), (23) and (23) of the spatula (2), (2), (2) and (2) are formed in a blade shape to the extent that they are not sharp. Therefore, the upper flaps (F1), (F1) are replaced with the inner flaps (F3), (F3),
It can be smoothly peeled from (F3) and (F3).

When the upper flaps (F1), (F1) are separated from the inner flaps (F3), (F3), (F3), (F3), the upper flaps (F1) by the suction tools (58), (58) are removed. ), (F1) is released, and the front-rear moving units (51), (51) of the front-rear moving unit (5) are moved backward along the linear rail (52) to move the front-rear moving units (51),
Return (51) to the origin position.

When the front-rear carriages (51), (51) are returned to the origin position, the left-right carriages (32), (32), (32), (32) of the lateral movement devices (3), (3). Is moved along the linear rails (31) and (31) to return the left and right moving bases (32), (32), (32) and (32) to the origin position.

Left and right moving bases (32), (32), (3
2) and (32) are returned to the origin position, guides (85) and (8) are used to guide the lifting platform (83) of the plate-shaped object lifting device (8).
5), (85), and (85), the detectors (91) and (91) are moved along the linear rails (93) and (9).
3) descending and returning the elevator (83) to the original position. At this time, since the lifting table (83) is mechanically forcibly stopped, the lifting table (83) is surely returned to the original position, and the position of the abutting portion of the box body is maintained in the next unpacking cycle. Can be accurately detected.

As described above, the spatula (2), (2),
When (2) and (2) are returned to the origin position, the holding plate (11) is lifted by the operation of the air cylinder (12), and the box body (B) is moved to the box body holding devices (1), (1), While being released from (1), the stopper of the roller conveyor (7) is lowered, and the box (B) is conveyed to the next step by the roller conveyor (7). That is, next, the lower flaps (F2) and (F2) of the box body (B) are replaced with the inner flaps (F3) and (F3),
In order to separate from (F3) and (F3), the box body (B) has a spatula (2), (2), (2),
The lower flaps (F2) and (F2) are conveyed to the box unpacking device of another embodiment in which (2) is attached downward, and the lower flaps (F2) and (F2) are the inner flaps in the same manner as the upper flaps (F1) and (F1). It is peeled from (F3), (F3), (F3), and (F3).

Although the embodiments of the box unpacking method of the present invention have been described above, the invention is not limited thereto.
For example, the gap (G) between the flaps may be a gap formed by overlapping the flaps. Further, the box unpacking method of the present invention can be applied to the box body (B) in which the gap (G) between the flaps is formed in the top surface portion (P1).

Further, when the suction of the upper flap (F1) by the suction tool (58) is insufficient, the lifting platform (83) is not returned to the origin position, and the suction tools (58), (58) are moved backward.
After raising and lowering the suction tool (58) slightly, the suction tool (58),
(58) moves forward again, and again the upper flap (F1),
The suction operation of (F1) may be performed.

A box body (B) in which the upper flap (F1) is not glued to the inner flap (F3), or a lower flap (F2) is not glued to the inner flap (F3) (B) Also, the box unpacking method of the present invention can be applied.

Further, the box unpacking method of the present invention can be applied to the box (B) in which the abutting portion of the upper flap (F1) and the lower flap (F2) is not sealed with craft tape or the like.

[0041]

As described above, the box unpacking method of the present invention confirms whether or not the flap is adsorbed after the flap adsorbing operation, and the flap is adsorbed. It is designed to insert a plate-shaped body,
Since the plate-like body can be inserted while the flaps are reliably sucked, the box body can be unpacked reliably.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a plate-shaped body lifting device, a detection tool lifting device, and the like of a box unpacking device suitable for carrying out the box unpacking method of the present invention.

FIG. 2 is a perspective view showing an example of a plate-shaped body moving device and the like mounted on the plate-shaped body lifting device shown in FIG.

FIG. 3 is a perspective view showing a main part of another embodiment of the box unpacking apparatus suitable for carrying out the box unpacking method of the present invention.

FIG. 4 is an enlarged view of the plate-like body shown in FIG. 2, where (a) is a front view, (b) is a side view of (a), and (c) is A- of (a).
A sectional view, (d) is a BB sectional view of (a).

5 is an explanatory diagram of an operation procedure of unpacking of the box unpacking device shown in FIGS. 1 and 2. FIG.

[Explanation of symbols]

 2 Plate-like body (spatula) 58 Adsorption tool (adsorption pad) B Box body F1 (upper) flap F2 (lower) flap F3 (inner) flap G Gap

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[Procedure amendment]

[Submission date] November 16, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Brief description of the drawing

[Correction method] Change

[Correction content]

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a plate-shaped body lifting device, a detection tool lifting device, and the like of a box unpacking device suitable for carrying out the box unpacking method of the present invention.

FIG. 2 is a perspective view showing an example of a plate-shaped body moving device and the like mounted on the plate-shaped body lifting device shown in FIG.

FIG. 3 is a perspective view showing a main part of another embodiment of the box unpacking apparatus suitable for carrying out the box unpacking method of the present invention.

FIG. 4 is an enlarged view of the plate-like body shown in FIG. 2, where (a) is a front view, (b) is a side view of (a), and (c) is A- of (a).
A sectional view, (d) is a BB sectional view of (a).

5 is an explanatory diagram of an operation procedure of unpacking of the box unpacking device shown in FIGS. 1 and 2. FIG.

FIG. 6 is an explanatory diagram of an unpacking operation procedure of the box unpacking device shown in FIGS. 1 and 2;

FIG. 7 is an explanatory diagram of an unpacking operation procedure of the box unpacking device shown in FIGS. 1 and 2;

FIG. 8 is an explanatory diagram of an operation procedure of unpacking of the box unpacking device shown in FIGS. 1 and 2;

9 is an explanatory diagram of an unpacking operation procedure of the box unpacking device shown in FIGS. 1 and 2. FIG.

10 is an explanatory diagram of an unpacking operation procedure of the box unpacking device shown in FIGS. 1 and 2. FIG.

FIG. 11 is an explanatory diagram of an unpacking operation procedure of the box unpacking device shown in FIGS. 1 and 2;

FIG. 12 is an explanatory diagram of an operation procedure of unpacking of the box unpacking device shown in FIGS. 1 and 2;

[Explanation of Codes] 2 Plate-like body (spatula) 58 Adsorption tool (suction pad) B Box body F1 (upper) flap F2 (lower) flap F3 (inner) flap G Gap

[Procedure Amendment 2]

[Document name to be corrected] Drawing

[Correction target item name] All drawings

[Correction method] Change

[Correction content]

[Figure 1]

[Fig. 2]

[Figure 3]

[Figure 6]

[Figure 7]

[Figure 8]

[Figure 9]

[Figure 10]

FIG. 11

[Figure 4]

[Figure 5]

[Fig. 12]

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Teruaki Miyamoto 1 868 Kubo, Koga-machi, Kasuya-gun, Fukuoka Prefecture Seibu Electric Co., Ltd. (72) Inventor Kenji Wata 1 868 Kubo, Koga-cho, Kasuya-gun, Fukuoka Seibu Electric Co., Ltd.

Claims (2)

[Claims] 1. A method of unpacking a box by inserting a plate-like body into the gap between the flaps to unpack the box, and after the suction operation of the flap, it is confirmed whether or not the flap is sucked. A method for unpacking a box body, characterized in that the plate-shaped body is inserted on condition that the flap is sucked. 2. A box unpacking method of unpacking a box body by inserting a plate-shaped body into a gap between the flaps. After moving the suction tool based on the position of the flap, a suction operation of the flap. If the suction is insufficient, after further moving the suction tool, the suction operation of the flap is performed again, and the plate-shaped body is inserted on condition that the flap is suctioned. How to unpack the characteristic box.