JP2002002635A - Apparatus and method for automatically peeling packaging film for elastomer material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an apparatus and a method for automatically peeling a packaging film for an elastomer material with which the packaging film can be completely and automatically peeled easily and in a short time from even the elastomer material having an adhesive surface. SOLUTION: The automatically peeling apparatus 2 for automatically peeling the packaging film 6 which wraps the elastomer material 4 comprises a first cutter 10 for making a first cut 32 along at least one of side faces of the film 6 of the elastomer material 4 wrapped with the film 6 on the side face and a take-up roll 14 which is in contact with a side face 6b of the film 6 with the first cut 32 made and rolls up the film 6 in an approximately right-angled direction to a longitudinal direction of the cut 32 for taking it up.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an automatic peeling apparatus and a peeling method for a packaging film for an elastomer material.

[0002]

2. Description of the Related Art In the process of producing an elastomer material such as a rubber material, there is a case where an elastomer material obtained in a certain production step is wrapped in a packaging film made of polyethylene or the like and moved to another place. Elsewhere, after the packaging film has been peeled off, the elastomeric material will be removed and subjected to other manufacturing steps. In such a case, conventionally, since the packaging film was manually peeled off, it was a very laborious operation.

[0003] Elastomer materials such as rubber materials are tacky, and the work of peeling the packaging film from the elastomer material by hand has not been an easy task. In particular, when the elastomer material is large, the peeling operation of the packaging film is difficult and takes a long time.

If the packaging film is not completely removed from the elastomer material and removed, the packaging film may be mixed into the elastomer material used in the manufacturing process, which may hinder stable operation of the manufacturing apparatus.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and is intended to completely and automatically remove a packaging film from an elastomer material having an adhesive surface in a very easy and short time. It is an object of the present invention to provide an automatic peeling device and a peeling method for a packaging film for an elastomer material which can be performed.

[0006]

In order to achieve the above object, an automatic peeling device according to the present invention is an automatic peeling device for automatically peeling a packaging film wrapping an elastomer material, First cutting means for making a first cut along at least one side of the packaging film of the elastomeric material packaged with the packaging film, and contacting the side of the packaging film having the first cut with the first cut; Winding means for winding up and winding up the packaging film in a direction substantially perpendicular to the longitudinal direction of the first cut.

The winding means is not particularly limited.
For example, a winding roll is exemplified. It is preferable to provide a winding tooth or a winding blade on the outer periphery of the winding roll in order to easily start winding the packaging film.

In particular, it is more preferable to provide a plurality of saw-toothed winding teeth in the axial direction of the winding roll, and to provide coarser saw-toothed winding teeth at portions corresponding to both ends of the elastomer material in contact with the winding teeth. Is particularly preferred.

When the winding roll is provided with winding teeth or winding blades on the outer periphery, a plurality of rows of winding teeth or winding blades may be provided along the outer circumference.
Especially, it is preferable to provide two rows of winding teeth or winding blades.

[0010] The automatic peeling device according to the present invention preferably has a conveying means for conveying the elastomer material packaged with the packaging film in at least one direction. The transport means is not particularly limited, and examples include a roller conveyor, a belt conveyor, and a transport pallet. Among them,
A conveying means for conveying the elastomer material in one direction by a pusher on a roller conveyor is preferable.

The automatic peeling device according to the present invention blows air into the first cut to peel the packaging film near the first cut from the elastomer material, thereby facilitating the winding by the winding means. It is preferable to further have a spraying means. Further, it is preferable to further include second cutting means for inserting a second cut portion continuous with the first cut on a side surface adjacent to a side surface of the packaging film in which the first cut is formed. Further, a second blowing means for blowing air into the second cut and peeling the packaging film near the second cut from the elastomer material may be provided. These spraying means may be provided in the cutting means, or may be mounted separately from the cutting means.

In the present invention, when the cutting means is a cutting blade, it is preferable to provide an oil replenishing means for replenishing the cutting edge with oil, in order to prevent a decrease in the sharpness of the cutting blade.

As the oil replenishing means, there can be used a device capable of continuously or intermittently replenishing an appropriate amount of oil manually or automatically. Among them, a device capable of automatically and intermittently replenishing an appropriate amount of oil is more preferable.

The amount of oil to be replenished and the replenishment interval may be determined depending on the type of elastomer material, the material of the packaging film, the thickness of the packaging film, the operating speed of the automatic peeling device of the present invention, and the like.

In the present invention, the first cutting means and the second cutting means are not particularly limited, and may be a cutting tool such as a cutter or a cutting blade, or a cutting tool using a laser beam. Among them, a flat blade having a sharp tip is preferable.

The method for peeling a packaging film according to the present invention comprises:
A peeling method for automatically peeling a packaging film packaging an elastomeric material, wherein at least one side of the packaging film of the elastomeric material is provided with a first cut along the one side, and Contacting a take-up roll with a side surface of the packaging film in which the first cut has been made, and rolling up and winding the packaging film in a direction substantially perpendicular to the longitudinal direction of the first cut.

The elastomer material to which the automatic peeling device and the peeling method according to the present invention are applied is not particularly limited, but natural rubber, styrene-butadiene rubber (SB)
R), butadiene rubber (BR), isoprene rubber (I
R), diene rubbers such as nitrile butadiene rubber (NBR) and chloroprene rubber (CR), and butyl rubber (II
R), ethylene-propylene-diene terpolymer rubber (EPDM), acrylic rubber, chlorosulfonated polyethylene rubber, olefinic rubber such as fluorine rubber, silicone rubber, urethane rubber, polysulfide rubber, and the like.

In the present invention, the material of the packaging film is not particularly limited, but ethylene-vinyl chloride copolymer, ethylene vinyl acetate copolymer, chlorinated polyvinyl chloride, chlorinated polyethylene, chlorinated polypropylene,
Norbornene resin, fluoroplastic, polyamide (PA), polyarylate, 1,2 polybutadiene, polyethylene, polyethylene terephthalate, polyethylene naphthalate, polyvinylidene chloride, polyvinyl chloride, polycarbonate, polyvinyl acetate, polystyrene, polysulfone, polyvinyl alcohol, polyphenylene Examples thereof include ether, polyphenylene sulfide, polybutadiene, polybutylene terephthalate, polypropylene, polymethylpentene, and polymethyl methacrylate, and may be a mixture thereof.

The packaging film of the present invention may be a multilayer film having different types of polymer layers.

[0020]

According to the automatic peeling apparatus and the peeling method of the present invention, a winding means such as a winding roll is brought into contact with a side surface of the packaging film having the first cut formed therein, and the longitudinal direction of the first cut is formed. The packaging film is wound up and wound in a direction substantially perpendicular to the direction. For this reason, even if it is an elastomer material having an adhesive surface, the packaging film can be automatically peeled off extremely easily and in a short time. Also, the packaging film does not remain on the surface of the elastomer material.

[0021]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on embodiments shown in the drawings. As shown in FIG.
The automatic peeling device 2 according to the embodiment is a device for removing a rubber veil 4 by peeling a packaging film 6 wrapped with a rubber veil 4 as an elastomer material. In this embodiment, the rubber veil 4 is NBR, and has a cubic shape having a width of about 35 cm, a length of about 70 cm, and a height of about 20 cm. The packaging film 6 has a thickness of 6
It is composed of two polyethylene film sheets of about 0 μm, and the rubber veil 4 is sandwiched and covered by these sheets from above and below, and the butted portions of the sheets are heat-sealed.

The rubber veil 4 wrapped with the packaging film 6 is placed on a roller conveyor 8 as a conveying means. On the upper surface of the roller conveyor 8, elongate rollers are arranged at predetermined intervals in the X direction along the Y direction, and the wrapped rubber veil 4 is movable along the X direction.

Above the roller conveyor 8, a front cutting tool 10 as first cutting means mounted movably in the Y direction by a Y direction moving mechanism 13, and in the X direction by a moving mechanism (not shown). It has a pair of side cutting tools 12 as second cutting means movably mounted. Each of the cutting tools 10 and 12 is provided with an air nozzle (spraying means) not shown. The operation of the air nozzle will be described later.

The front cutting tool 10 is configured to be movable in at least the Z direction, preferably the Z direction and the X direction, in addition to the Y direction, by a moving mechanism (not shown). The reason why the front cutting tool 10 and the X moving mechanism 13 can be moved in the Z direction is that the auxiliary pusher 22 can press the front surface of the rubber veil 4. In addition, the side cutting tool 1
2 may be configured to be movable in the Y direction or the Y and Z directions in addition to the X direction.

At the front and rear positions of the front cutting tool 10 in the X direction, a winding roll 14 as winding means is disposed. The take-up roll 14 has a length in the axial direction longer than the width of the rubber veil 4 in the Y direction, and is arranged parallel to the Y direction. The roll 14 has both ends held movably at least in the Z direction, preferably in the Z direction and the X direction. The roll 14 is rotatable in both forward and reverse directions by driving means (not shown). Roll 1
As shown in FIG. 4, a winding blade 15 is provided at several places in the axial direction and several places in the circumferential direction on the outer periphery of 4.
The operation of the winding teeth 15 will be described later.

A main pusher 20 and an auxiliary pusher 22 are arranged at front and rear positions in the X direction on the roller conveyor 8. The main pusher 20 moves the rubber bale 4 forward in the X direction on the roller conveyor 8, and the auxiliary pusher 22 moves the rubber bale 4 on the roller conveyor 8.
In the rear direction. Pressing pads 24 for positioning the rubber veil 4 in the Y direction are arranged on both sides of the roller conveyor 8 at a substantially central portion. The pair of pressing pads 24 can be moved in synchronization with each other in the Y direction by a driving means such as a pressure cylinder, and are pressed against both side surfaces of the rubber veil 4 to position the rubber veil 4 on the roller conveyor 8.

Next, a peeling method according to one embodiment of the present invention will be described. First, using the main pusher 20 shown in FIG.
Move to a predetermined position in the X direction. Before and after that, the pair of side surface cutting tools 12 is moved from the standby position to the pressing position along the Y direction. Then, as shown in FIG. 2, the rubber veil 4 is moved to the X direction with the tip of the side cutting tool 12 pressed against both side surfaces 6 a of the packaging film 6 of the rubber veil 4.
In the direction Xa. As a result, the packaging film 6
Side cuts (second cuts) 30 substantially parallel to the X direction are formed on both side surfaces 6a.

Next, as shown in FIG. 3, when the rubber veil 4 is moved forward Xa in the X direction and reaches a predetermined position,
The pressing pads 24 on both sides are moved in the Y direction, and the both sides 6a of the rubber veil 4 are sandwiched between the both pressing pads 24, and the rubber veil 4 is positioned and fixed. In that state,
A front notch (first notch) 32 that is continuous with the side cut 30 is formed by pressing the front end of the front cutting tool 10 against the front face 6 b of the packaging film 6 covering the rubber veil 4 and moving it in the Y direction. .

Here, the front cutting tool 10 is connected to the front 6b.
After reaching the end, it is preferable to return the front cutting tool 10 by about 10 cm in the direction of the front cutting start point in that the packaging film at the corner can be completely cut.

After forming the front notch 32 or at a stage during the formation, pressure air is blown out from an air nozzle provided in the front cutting tool 10 to inflate the notch 32 to float the film of the notch from the rubber veil.
This facilitates a winding operation described later. In addition, the same pressure air may be blown out from the air nozzle provided in the side cutting tool 12 to inflate the cut 30.

Next, as shown in FIG.
To the Z-direction standby position or the X-direction standby position,
Alternatively, the take-up roller 14 may be
Rotate while making contact with the film portion located slightly above. The direction of rotation of the roller 14 is the front notch 3
2 is a direction in which the film portion located slightly above is turned up. At this time, since the winding teeth 15 are provided on the outer periphery of the roller 14, the winding blade 15 is caught on the film portion, and the film portion can be easily turned up.

Thereafter, the roller 14 is moved upward in the Z direction while rotating. When the roller 14 is positioned on the upper surface of the rubber veil 4, the rubber veil 4 is moved to the position shown in FIG. 4 by using the main pusher 20 shown in FIG. It is moved forward Xa in the X direction shown. As a result, the side cut 3 by the side cutting tool 12
The formation of 0 is resumed. Further, as shown in FIG. 5, while rotating the roller 14, the rubber veil 4 is moved forward in the X direction.
The film 6 located on the upper surface of the rubber veil 4 is wound around the outer periphery of the roller 14 by being moved to the position a.

Thereafter, as shown in FIG.
At a position where the film 6 located on the upper surface of the rubber bale is completely wound around the roller 14, the movement of the rubber veil 4 in the Xa direction is stopped, and the roller 14 is moved downward Za in the Z direction while rotating, so that the film on the back of the rubber veil is removed. Take up. Then, as shown in FIG. 7, while the roller 14 is being rotated, the rubber veil 4 is moved rearward in the X direction Xb using the auxiliary pusher 22 shown in FIG.
Rides on the roller 14, and the roller 14 winds up the film 6 located on the lower surface of the rubber veil 4.

At a predetermined position in the X direction of the roller conveyor 8 shown in FIG. 1, a film collecting device 40 is arranged below the rollers constituting the roller conveyor, as shown in FIG. Roller 1 for packing film 6 of rubber veil 4
At the stage where all the rollers 4 have been wound, the roller 14 is rotated in the direction opposite to the winding direction, and at the same time, the suction port 4 of the collection device 40 is rotated.
By sucking air from 2, the film 6 wound around the roll 14 is all collected inside the collection device.
In FIG. 7, the position of the roll 14 and the collecting device in the X direction are shifted for easy understanding. However, the collecting device 40 is actually located below the roll 14 in the Z direction. The film 4 collected in the collection device 40 is disposed of or reprocessed.

It should be noted that the present invention is not limited to the above-described embodiment, but can be variously modified within the scope of the present invention.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of a peeling device according to one embodiment of the present invention.

FIG. 2 is a schematic perspective view showing one step of a peeling method according to one embodiment of the present invention.

FIG. 3 is a schematic perspective view showing a step subsequent to that of FIG. 2;

FIG. 4 is a schematic perspective view showing a step subsequent to that of FIG. 3;

FIG. 5 is a schematic perspective view showing a step that follows the step shown in FIG. 4;

FIG. 6 is a schematic perspective view showing a step that follows the step shown in FIG. 5;

FIG. 7 is a schematic perspective view showing a step that follows the step in FIG. 6;

[Explanation of symbols]

 2: peeling device 4: rubber bale 6: packaging film 8: roller conveyor 10: front cutting tool 12: side cutting tool 14: take-up roll

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Yoshio Hotei 959, Hayashi, Tonami-shi, Toyama F-term in Surf Co., Ltd. (reference) 3E058 AA06 BA20 CA01 FA05 GA02 GA05

Claims (3)

[Claims] 1. An automatic peeling device for automatically peeling a packaging film packaging an elastomeric material, wherein at least one side of the packaging film of the elastomeric material packaged with the packaging film is attached to the one side. Along the first
First cutting means for making a cut; winding up the packaging film in contact with a side surface of the packaging film in which the first cut is made, and rolling up and winding up the packaging film in a direction substantially perpendicular to a longitudinal direction of the first cut; And an automatic peeling device for a packaging film for an elastomeric material. 2. The elastomeric material packaging film according to claim 1, further comprising blowing means for blowing air into said first cut, inflating said first cut, and facilitating winding up by said winding means. Automatic peeling device. 3. A peeling method for automatically peeling a packaging film packaging an elastomeric material, wherein a first cut is made on at least one side of the packaging film of the elastomeric material along the one side. And a step of contacting a take-up roll with a side surface of the packaging film in which the first cut has been made, and winding up and winding up the packaging film in a direction substantially perpendicular to the longitudinal direction of the first cut. A method for peeling a packaging film for an elastomeric material, comprising: