JP2587552Y2 - Packaging material incision removal device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for cutting and removing a packaging material from a cylindrical packaging body.

[0002]

2. Description of the Related Art Generally, cans are used for containers for beer, soft drinks and the like. The can lid used for such a can is piled up in a cylindrical shape in the can making process, covered with a packaging material, and then sent to the canning process. At the time of closing, the packaging material is first incised and removed, and delivered one by one to the can body filled with the contents. Then, it is put over the mouth of the can main body and tightened, and the step of closing the lid is completed.

[0003] To retrieve the coated can lid from the packaging material, it is a device for incising removing packaging material, and the incision unit for cutting the packaging material, and a removal unit for removing the incised packaging An apparatus has been proposed in which a packaging unit is sucked by a cutting unit to form a slack in the packaging, and the slack is cut by a cutter, and then the cut unit is removed by a removing unit. (Japanese Patent Publication No. 4-46813). FIG. 5 shows the packaging material incision removing apparatus.
This will be described with reference to FIG.

FIG. 5 is a sectional view of a main part of a conventional packaging material incision removing apparatus. In FIG. 5, a columnar package 140 covered with a packaging material 141 is provided movably along its longitudinal direction (in the direction perpendicular to the drawing). Package 14
A suction opening of a vacuum duct 115 communicated with a vacuum pump (not shown) is provided adjacent to the upper surface of the packaging body 140 on the movement path 0 so that the packaging material 141 is sucked upward. It has become. A disk-shaped cutter 116 is connected to the output shaft of the motor 117 and is rotatably provided near the suction opening inside the vacuum duct 115.

In the above configuration, when the packaging body 140 is moved below the suction opening of the vacuum duct 115, the packaging material 141 is sucked by the vacuum duct 115, and the slack portion of the packaging material 141 is placed above the packaging body 140. Is formed. And
A slack portion of the packaging material is continuously formed with the movement of the packaging material 140, and the cutter 116 is rotated by the motor 117 so that the packaging material 140 is moved while the packaging material 140 is being moved.
1 can be cut axially.

When the packaging material 141 is cut, the package 14
0 is sent to a removal unit (not shown). The packaging material removing unit has two strip rollers (not shown) on which the package 140 is placed, and uses the frictional force between each strip roller and the packaging material 141 by reversing each strip roller. This removes the packaging material 141 from the packaging body 140.

[0007]

However, in the conventional packaging material incision removing apparatus described above, since the cutter is provided inside the vacuum duct, the position adjustment and replacement of the cutter must be performed inside the vacuum duct. , The work becomes complicated. Further, even if a window is provided in the vacuum duct for facilitating the operation, a means for preventing vacuum leakage must be provided, which complicates the device configuration.
On the other hand, since the motor for rotating the cutter is provided outside the vacuum duct, a penetration must be provided in the vacuum duct to connect the motor to the cutter. Had to be applied.

[0008] Further, since the position of the vacuum duct is fixed, there is a problem that it is difficult to perform daily maintenance and inspection when the package is clogged.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a packaging material incision removing apparatus which can surely suck a packaging material and can easily perform maintenance and inspection.

[0010]

In order to achieve the above object, the present invention provides a packaging material incision removing apparatus for incising and removing the packaging material from a columnar package covered with a sheet-like packaging material. A cutting unit that forms a slack portion in the packing material by vacuum-suctioning the packing material and cuts the slack portion , moving means for relatively moving the package and the cutting unit, and the cut packing material in packaging incision removing device and a removal unit for removing from the package body, the incision unit comprises a nozzle member which communicates with a vacuum source in order to form the slack portion, an external suction side of the nozzle member Detachable edge near the end to the nozzle member
And a cutter fixedly held .

The suction side end of the nozzle member has a front end.
The package holder that has an abutting part that contacts the package is fixed.
And the suction of the abutting portion of the package holder and the nozzle member.
The shape of the pull-side end is such that the contact portion and the suction-side end are
The shape may be similar to the shape of the corresponding part of the package .

Further, the removing unit includes the packaging
An air jet that blows air to the packaging material removed from the body
Data may be provided.

[0013]

In the packaging material incision removal device of the present invention configured as described above, the cutter of the incision unit is fixed to the outside of the nozzle member for vacuum-suctioning the packaging material of the package, so that the vacuum leakage of the nozzle member is prevented. There is no danger, and the packaging material is reliably sucked under vacuum, and a good slack portion is formed in the packaging material. Moreover
The cutter is located with the cutting edge facing the nozzle member.
The blade edge is oriented in the direction in which the bulge of the formed loose part is large.
Will be. As a result, the cutting of the packaging material by the cutter is also reliably performed. In addition, by fixing the cutter to the outside of the nozzle member, maintenance and inspection work of the incision unit such as replacement work of the cutter becomes easy.

[0014]

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

FIG. 1 is a schematic structural view of an embodiment of the packaging material incision removing apparatus of the present invention. As shown in FIG. 1, a packaging material incision removing apparatus of the present embodiment is configured to incise and remove a packaging material from a package 40 in which a plurality of cylindrical can lids are covered with a sheet-like packaging material. The base 1 has a transport guide 3 for guiding the package 40 along the longitudinal direction of the base 1.
Is provided. At the left end of the base 1 in the figure, a package 4
The in-feed cylinder 2 as a moving means for moving the in-feed cylinder 2 is disposed.
And is moved rightward in the figure.

On the downstream side of the base 1 with respect to the direction of transport of the package 40, a removing unit 30 is provided. The removal unit 30 is for removing the packaging material from the packaging body 40 in which the packaging material has been cut by the incision unit 10 described below. The outer peripheral surfaces of the packaging body 40 transported along the transport guide 3 are separated from each other. Two strip rolls 31 (only one is shown) arranged in parallel so as to be in contact with each other are rotatably provided. Thereby, when the package body 40 in which the packaging material has been cut is placed on each strip roll 31 and each strip roll is reversed in the arrow direction as shown in FIG. 4
The packaging material 41 is wrapped downward by the frictional force with respect to 1 and is removed from the packaging body 40.

The removing unit 30 includes a package 40.
There are provided two upper rolls 32 for preventing the packaging body 40 from lifting when the packaging material is removed from the package, and a gate 33 and a stopper 34 for restricting the movement of the packaging body 40 in the transport direction. I have. Each of the upper roll 32, gate 33, and stopper 34 is driven by a cylinder, and each cylinder is fixed to a frame 4 provided on the upper surface of the base 1. An opening 4 a through which the package 40 can pass is formed at the left end of the frame 4 in the drawing.

On the other hand, an incision unit 10 for incising the packaging material of the packaging body 40 is supported by a column 5 erected at the left end of the frame 4 in the figure. The incision unit 10
An elevating cylinder 11 provided on the column 5, a nozzle support member 12 fixed to a rod of the elevating cylinder 11,
A suction incision section 14 fixed to the nozzle support member 12 and sucking and incising the packaging material, and one end of the suction incision section 14 connected to the suction incision section 14 through the nozzle support member 12 and the other end of the blower pump 8 as a vacuum source. A flexible hose 13 connected to the suction side. The suction incision portion 14 is provided so as to be movable in the vertical direction in the drawing, that is, in the radial direction of the package 40 by moving the rod of the lifting / lowering cylinder 11 forward and backward. In addition, the lifting cylinder 11 itself is also provided so that the mounting position on the column 5 can be adjusted according to the size of the package 40.

Here, the suction incision section 14 will be described with reference to FIG. The suction incision section 14 has a hollow pipe-shaped nozzle 15 for sucking the packaging material and a cutter 16 for cutting the suctioned packaging material, and the upper end of the nozzle 15 communicates with the flexible hose 13 (see FIG. 1). doing. At the lower end of the outer wall of the nozzle 15, a package holder 17 made of a synthetic resin for maintaining a constant distance between the cutter 16 and the package 40 (see FIG. 1) when the packaging material is cut by the cutter 16. Are fixed with screws. Two abutting portions 17a that oppose each other and sandwich the nozzle 15 are formed integrally with each other at the lower portion of the package holder 17 in the drawing, and the lower end surface of each abutting portion 17a is formed into the shape of the upper portion of the packaging body 40. The approximate notch is
Each is formed along the transport direction of the package 40. The shape of the lower end surface of the nozzle 15 as shown in FIG. 4 is also similar to the shape of the upper part of the packaging body 40 as shown in FIG. It has a structure that improves adhesion during suction and prevents vacuum leakage.

The cutter 16 is fixed to the outside of the nozzle 15 by a first fixture 18 and a second fixture 20. The first fixture 18 is fixed to the outer wall of the nozzle 15 by welding or the like, and has a cutter holding groove 18b into which the cutter 16 is fitted. The first fixture 18 has two pins 19 protruding therefrom and a screw hole 18a into which the thumb screw 21 is screwed. Second fixture 20
Is formed with two pin through holes 20a through which the respective pins 19 of the first fixture 18 are respectively passed, and a screw through hole 20b through which the thumb screw 21 passes. With the cutter 16 fitted in the cutter holding groove 18b of the first fixture 18, the second fixture 20 is attached to the first fixture 18 such that each pin 19 fits into the pin through hole 20a. The cutter 16 is fixed by tightening the first fixture 18 and the second fixture 20 with the thumb screw 21.

As described above, since the cutter 16 is fixed to the outside of the nozzle 15 by the thumb screw 21, the work of attaching and detaching the cutter 16 is simple. Also, the positioning of the cutter 16 is easy because the cutter 16 can be securely mounted at a predetermined position only by fitting the cutter 16 into the cutter holding groove 18b. In a state where the cutter 16 is fixed, as shown in FIG. 4, the tip of the cutter is located at a position where the suctioned packaging material 41 can be cut, but does not come into contact with the can lid 42 which is the content of the packaging body 40. Will be retained.

As shown in FIG. 1, the suction of the packaging material by the nozzle 15 is performed by using the blower pump 8 as a driving source. An adjusting valve 7 is provided between the nozzle 15 and the blower pump 8. The suction force of the nozzle 15 can be adjusted. Further, an air jetter 6 disposed below each strip roll 31 is connected to the exhaust side of the blower pump 8, and the packaging material removed by each strip roll 31 is removed by the air jetter 6.
The structure is such that the packaging material is prevented from being caught by blowing away.

Next, the operation of the packaging material incision removing apparatus of this embodiment will be described.

When the package 40 is supplied to the packaging material incision removing apparatus, the gate 33 is first raised. Next, the rod of the lifting / lowering cylinder 11 is advanced, and the suction incision section 14 is moved.
Is lowered to a position where each package holder 17 can come into contact with the packaging material 41 of the package 40.

After the suction incision 14 is lowered, the rod of the infeed cylinder 2 is advanced to push the package 40 toward the removing unit 30. Thereby, the package 40
Moves along the transport guide 3. At this time, the blower pump 8 is driven in advance, and suction by the nozzle 15 is performed. When the package body 40 is moved below the suction incision section 14, the packaging material 41 is sucked by the nozzle 15 as shown in FIG. 4, and a slack portion is formed on the upper portion of the packaging material 41. 16 cuts. Accordingly, the slack portion is continuously formed as the package 40 moves, and the packaging material 41 is cut along the longitudinal direction of the package 40.

At this time, since the nozzle 15 has no penetrating portion communicating the outside and the inside thereof, there is no danger of vacuum leakage from the wall surface of the nozzle 15 and the suction of the packaging material 41 is performed efficiently. be able to. Also, the cutter 16
Is securely fixed at a predetermined position, as described above, so that the cutter 16 is not attached to the lower side too much and the can lid 42 is not accidentally damaged. Further, when clogging or the like of the package body 40 occurs due to some trouble during the incision of the packaging material 41, the suction incision section 14
Is provided so as to be movable in the vertical direction by the lifting / lowering cylinder 11, so that if the suction incision portion 14 is retracted upward, the clogged package 40 can be easily removed, and the suction incision portion 14 can be easily inspected. I can do it.

After the cutting of the packaging material 41 is completed, the packaging body 40 is further pushed in by the infeed cylinder 2 and the packaging body 40 is placed on each strip roll 31 of the removing unit 30. When the package 40 is placed on each of the strip rolls 31, the gate 33 is lowered to stop the stopper 34.
In addition to regulating the position of the package 40, the suction incision portion 14 is raised by the lifting cylinder 11. Further, the upper rolls 32 are lowered to restrict the lifting of the package 40. When each strip roll 31 is rotated in the direction of the arrow as shown in FIG. 2, only the packaging material 41 is rolled downward by the frictional force generated between each strip roll 31 and the packaging material 41, and the packaging material 41 Is removed. The removed packaging material 41 is used as the air jetter 6.
Is blown downward.

When the removal of the packaging material 41 is completed, the upper roll 32 is raised and each of the strip rolls 3 is removed.
1 is stopped, and the can lid 42 from which the packaging material 41 has been removed.
Is discharged from the packaging material incision removal device to the subsequent process.

[0029]

As described above, the packaging material incision removing device of the present invention fixes the cutter for incising the packaging material to the outside of the nozzle member forming the slack portion by vacuum-suctioning the packaging material. There is no danger of vacuum leakage from the nozzle member, and the packaging material can be reliably suctioned and cut. Also, since the cutter is held detachably,
Maintenance work of the incision unit, such as replacement of the cutter, can be easily performed.

Further, a package is provided at the suction side end of the nozzle member.
Fix the presser, and contact the abutment and nozzle of this package presser.
Change the shape of the suction side end of the material to the corresponding package
The nozzle shape of the packaging material can be
Adhesion to the member can be improved. In addition,
By installing an air jetter in the removal unit,
Check that the removed packaging material gets caught in the removal unit.
Can be prevented.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of a part of an embodiment of a packaging material incision removing device of the present invention, which is partially cut away.

FIG. 2 is a view for explaining an operation of removing a packaging material by the strip roll shown in FIG. 1;

FIG. 3 is a perspective view of a suction incision section shown in FIG. 1;

FIG. 4 is a view of the suction incision section shown in FIG. 1 as viewed from a downstream side in the transport direction of the package when the packaging material is incised.

FIG. 5 is a sectional view of a main part of a conventional packaging material incision removing apparatus.

[Explanation of symbols]

 Reference Signs List 1 base 2 in-feed cylinder 3 transport guide 4 frame 4a opening 5 support 6 air jetter 7 adjusting valve 8 blower pump 10 cutting unit 11 elevating cylinder 12 nozzle support member 13 flexible hose 14 suction cutting section 15 nozzle 16 cutter 17 packaging body Holder 17a Contact portion 18 First fixing tool 18a Screw hole 18b Cutter holding groove 19 Pin 20 Second fixing tool 20a Pin through hole 20b Screw through hole 21 Thumb screw 30 Removal unit 31 Strip roll 32 Upper roll 33 Gate 34 Stopper 40 packaging 41 packaging material 42 can lid

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-4-87937 (JP, A) JP-B-4-46813 (JP, B2) (58) Fields investigated (Int.Cl. ⁶ , DB name) B65B 69/00

Claims (3)

(57) [Scope of request for utility model registration] 1. In order to cut and remove the packaging material from a columnar package covered with a sheet-like packaging material, the packaging material is vacuum-vacuated to form a slack portion in the packaging material. An incision unit for incising, the package and the incision
In a packaging material incision removing apparatus having a moving means for relatively moving the unit and a removing unit for removing the incised packaging material from the package, the incision unit is vacuumed to form the slack portion. A packaging material incision removal device comprising: a nozzle member connected to a source; and a cutter removably fixedly held in the vicinity of a suction side end outside the nozzle member with the cutting edge facing the nozzle member. . 2. The package according to claim 1, further comprising :
A package holder having an abutting portion that abuts the package is fixed,
The contact portion of the package holder and the suction side of the nozzle member
The shape of the end corresponds to the contact part and the suction side end
The packaging material incision removal apparatus according to claim 1, wherein the packaging material incision removal device has a shape similar to a shape of a portion of the packaging body to be formed . 3. The package according to claim 1, wherein the removing unit includes :
The packaging material incision removal device according to claim 1 or 2, further comprising an air jetter for blowing air to the removed packaging material.