KR20170050987A - Method and apparatus for manufacturing a plastic bag with handle and plastic bags made therefrom - Google Patents

Method and apparatus for manufacturing a plastic bag with handle and plastic bags made therefrom Download PDF

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Publication number
KR20170050987A
KR20170050987A KR1020150153221A KR20150153221A KR20170050987A KR 20170050987 A KR20170050987 A KR 20170050987A KR 1020150153221 A KR1020150153221 A KR 1020150153221A KR 20150153221 A KR20150153221 A KR 20150153221A KR 20170050987 A KR20170050987 A KR 20170050987A
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KR
South Korea
Prior art keywords
vinyl fabric
paper tube
line
plastic bag
vinyl
Prior art date
Application number
KR1020150153221A
Other languages
Korean (ko)
Inventor
송철한
Original Assignee
(주)일성산업
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by (주)일성산업 filed Critical (주)일성산업
Priority to KR1020150153221A priority Critical patent/KR20170050987A/en
Priority to PCT/KR2015/012964 priority patent/WO2017078211A1/en
Publication of KR20170050987A publication Critical patent/KR20170050987A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/06—Handles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7858—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined
    • B29C65/7861—In-line machines, i.e. feeding, joining and discharging are in one production line
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/002—Rolls, strips or like assemblies of bags

Abstract

The present invention relates to a method and an apparatus for manufacturing a plastic bag with handles and a plastic bag manufactured by the same wherein productivity and use convenience of the plastic bag can be increased since the vinyl bag is manufactured into a roll bag. The method for manufacturing the plastic bag with handles comprises: a supply step (S10) of continuously supplying a vinyl material; a fusion step (S20) of forming a fused line on the vinyl material; a cutting step (S30) of forming a cut line (A3) on the vinyl material; a punching step (S40) of forming handles (A4) and a tying unit (A5) on the vinyl material; a paper tube supply step (S50) of supplying a paper tube for winding the vinyl material; a winding step (S60) of winding the vinyl material on the paper tube; and a cutting step (S70) of cutting the vinyl material wound around the paper tube. The apparatus for manufacturing the plastic bag with handles comprises: a material supply unit (100) for supplying the vinyl material; an unwinder (200) for transferring the vinyl material; a fusion unit (300) for forming the fused line on the vinyl material; a cutting and punching unit (400) for forming the cutting line (A3), the handles (A4), and the tying unit (A5) on the vinyl material; a paper tube supply unit (500) for supplying the paper tube for winding the vinyl material; a winding drum (600) for winding the vinyl material on the paper tube; and a cutting unit (700) for cutting the vinyl material wound around the paper tube. The apparatus for manufacturing the plastic bag with handles allows production of a roll bag type and thus can significantly increase productivity and use convenience of the vinyl bag.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a method and a device for manufacturing a plastic bag having a handle, and a plastic bag made therefrom,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a method and an apparatus for manufacturing a plastic bag having a handle, and a plastic bag manufactured from the plastic bag. More particularly, the plastic bag having a handle is manufactured in a rollback form, And a manufacturing method thereof, and a plastic bag made therefrom.

As known in the art, plastic bags are mainly produced by using various kinds of plastic films such as polyethylene and PE, and they are widely used for industrial use (for example, packaging, waterproofing etc.), agricultural use (for example, , And is widely used for everyday life (for example, various kinds of envelopes). Among them, the most common type of plastic bag (V) used for everyday life is an envelope type as shown in FIG. 6, V1) are formed on the front and rear sides, and a bundle portion (V2) capable of binding the entrance of the plastic bag is formed on the front and rear sides.

The plastic bag having the handle as described above is widely used at present as a means for easily carrying or storing a variety of commodities, various kinds of commodities such as fruits, foods, and the like, regardless of industrial fields.

The process of manufacturing a plastic bag with a handle is described as follows. A vinyl fabric which is extruded in the form of a cylindrical film from an extruder and cooled down to a flat surface is wound on a bobbin. The plastic fabric is unwound, And a handle is formed on both sides by punching one side of the fused portion and then cut to a predetermined length to produce a plastic bag having a handle. A typical prior art for manufacturing a plastic bag will be described as follows.

As shown in FIG. 7, a conventional plastic bag manufacturing apparatus includes a supply unit 10 for supplying a vinyl fabric in a cylindrical shape, a fused portion 20 for fusing across the lengthwise direction of the vinyl fabric to form a fused line, A punching section 30 for punching the lower end of the fusing line to form a handle on both sides, a cut section 40 for cutting a lower portion of the fusing line to form a single plastic bag, And a loading section (50).

Japanese Patent Application Laid-Open No. 10-1984-0002717 (1984. 07. 16.)

The above-described conventional apparatus for manufacturing a plastic bag has a method of manufacturing a single plastic bag having a handle by fusing, punching, cutting, and stacking the continuous plastic bag fabrics and then continuously loading the plastic bag into the stacking unit The plastic bag can be mass-produced. On the other hand, since the plastic bag is disintegrated in the process of stacking the plastic bags stacked in the stacking portion in the stacking stage after the cutting, it is necessary to manually align the plastic bags so that labor costs are inevitable There are disadvantages.

In addition, a plastic bag having a handle manufactured one by one is usually added to a packaging process by packaging a certain number of bags in a separate packaging bag, and productivity is deteriorated due to production delay caused thereby.

In addition, a finished product in which a plastic bag having a certain number of knobs is packed in a packaging bag has a plastic bag having a handle formed by forming a discharge hole on one side of the packaging bag when the user uses the bag, In this process, when a plastic bag with a handle is pulled out, a plastic bag having a plurality of knobs is pulled out at once, or a plastic bag having a stacked knob is dislocated inside the bag, There is a problem in that it is difficult to pull out the plastic bags with one piece from the packaging bag.

Therefore, there is an urgent need to develop a plastic bag having a knob capable of reducing the productivity deterioration and inconveniences of use, which is a drawback of the prior art, and a manufacturing method thereof.

The method and apparatus for manufacturing a plastic bag having a handle according to the present invention and the plastic bag manufactured therefrom are intended to overcome the problems of the prior art as described above and have a cylindrical shape, A feeding step (S10) of continuously feeding the fabric; A first fusing line A1 formed by the width of the vinyl fabric in the width direction of the vinyl fabric and a second fusing line A2 formed by the width of the corrugations on both edges of the vinyl fabric at a predetermined interval (S20); A cutting step (S30) of forming a tear line (A3) between the first fusing line (A1) and the second fusing line (A2) by the width of the vinyl fabric; A punching step (S40) of forming left and right holes at the bottom of the perforated line (A3) to simultaneously form the left and right handles (A4) and the front and back bundles (A5); A paper tube supplying step (S50) of supplying a paper tube for winding the vinyl fabric having been cut and punched; A winding step (S60) of winding the vinyl fabric finished in the punching step on the paper tube; And a cutting step (S70) of cutting the vinyl fabric wound in the paper tube to a predetermined length, thereby forming a plastic bag manufacturing method having a handle,

A fabric supplying unit 100 for continuously supplying a vinyl fabric having a cylindrical shape and formed with wrinkles in the longitudinal direction on both side edges thereof; An unwinder 200 for unloading and forcibly transporting the vinyl fabric wound around the fabric supplying portion 100; A first heating line (301) forming a first fusing line (A1) by the width of the vinyl fabric in the width direction of the vinyl fabric continuously fed by the unwinder (200) A fused portion 300 provided at a predetermined interval so as to be able to move up and down by a lifting means 303, and a second heat line 302 forming a second fused line A2 as much as possible; The cutting edge 401 and the punching blade 402 are lifted and lowered by the lifting means 403 and the perforation line A3 is formed between the first fusing line A1 and the second fusing line A2 by the width of the vinyl fabric A cutout punching section 400 for forming right and left side handles A4 and a front and rear binding section A5 at the bottom of the perforated line A3; A paper tube feeding part (500) for intermittently feeding a paper tube for winding the vinyl fabric that has been cut and punched; A winding drum (600) for continuously winding the cut vinyl punching-finished vinyl fabric on a paper tube fed from the paper tube feeding part; And a cutting portion (700) for cutting a vinyl fabric wound around the winding drum (600) in a predetermined length in the winding drum (600), thereby constituting a plastic bag manufacturing apparatus having a handle, thereby manufacturing a plastic bag having a handle The productivity can be greatly improved, and at the same time, the usability of the plastic bag with the handle can be greatly improved.

The method and apparatus for manufacturing a plastic bag having the handle according to the present invention and the plastic bag manufactured from the plastic bag according to the present invention can be manufactured in a rollback form having a handle so that the process for cutting and stacking the plastic bags individually can be eliminated The productivity is greatly improved.

In addition, since a plastic bag having a handle on the user side is manufactured in a rollback form, a large number of plastic bags can be easily stored using a paper tube wound in a rollback form, and since a user can use a plastic bag one by one, The convenience of the use of the plastic bag having the above-described structure can be greatly improved.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram sequentially showing a manufacturing process according to an embodiment of a method of manufacturing a plastic bag with a handle according to the present invention; FIG.
2 is a configuration diagram of an embodiment of a plastic bag manufacturing apparatus having a handle according to the present invention.
3 is a process flow diagram illustrating a process for manufacturing a plastic bag according to an embodiment of a plastic bag manufacturing apparatus having a handle of the present invention.
4 is a perspective view of a plastic bag having a handle in the form of a rollback manufactured according to an embodiment of the apparatus for manufacturing a plastic bag with the handle of the present invention.
5 is an illustration showing an example in which a plastic bag having a handle in the form of a rollback manufactured according to the embodiment of the apparatus for producing a plastic bag with the handle of the present invention is used
6 is a perspective view showing a plastic bag having a general handle.
Fig. 7 is a block diagram showing a conventional apparatus for producing a plastic bag; Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a method and an apparatus for manufacturing a plastic bag having a handle according to the present invention, and a configuration and operation according to a preferred embodiment of a plastic bag manufactured therefrom will be described in detail with reference to the accompanying drawings.

A method for manufacturing a plastic bag having a handle according to the present invention comprises a supply step (S10) for continuously supplying a vinyl fabric, a fusion step (S20) for forming fusion lines (A1, A2) on the vinyl fabric, A punching step (S40) of forming a handle (A4) and a bundle (A5) on the vinyl fabric, a punching step (S40) of forming a perforation line (A3) A step S50 of winding the vinyl fabric on the paper tube, a step S60 of cutting the vinyl fabric wound on the paper tube, and a step S70 of cutting the vinyl fabric wound on the paper tube.

In the supplying step (S10), the vinyl fabric is folded inward on both side edges to form pleats in the longitudinal direction. The wrinkled vinyl fabric is produced by using a wrinkled apparatus in the process of manufacturing a vinyl fabric, and then supplied to a processing company, which is well known in the technical field of the present invention, and a detailed description thereof will be omitted.

In the fusing step S20, the first fusing line A1 is formed by the width of the vinyl fabric in the width direction of the vinyl fabric. The second fusing line A2 is formed by the width of the corrugations at both edges of the vinyl fabric, and the first fusing line A1 and the second fusing line A2 are formed at regular intervals.

Through the fusing step S20, the cylindrical fabric made in a cylindrical shape has an envelope shape.

In the cutting step S30, the perforation line A3 is formed by the width of the vinyl fabric in the width direction of the vinyl fabric, and the first fusing line A1 and the second fusing line The first fusing line A1 located at the upper portion with respect to the perforated line A3 is positioned at the lower end of the remaining plastic bag A3 when the perforated line A3 is used to cut the plastic bag, And the second fusing line A2 located at the lower portion with respect to the perforated line A3 is a sealing portion at the upper end of the handle A4 of the separated plastic bag.

In the punching step S40, left and right holes are formed in the lower portion of the perforation line A3 so that the left and right handles A4 of the plastic bag are formed on both side edges of the vinyl fabric, The middle portion of the fabric remains protruded to form the front and rear binding portions A5.

It is noted that the cutting step S30 and the punching step S40 can be performed separately or simultaneously.

That is, the perforation line A3, the left and right side handles A4, and the front and back bundle portions A5 are simultaneously formed on the vinyl fabric by simultaneously performing the cutting step S30 and the punching step S40.

4, the upper ends of the front and rear binding portions A5 are connected to the perforations A3 in the process of simultaneously forming the left and right handles A4 and the front and rear binding portions A5 through the punching step S40, The front and rear binding portions A5 formed after the punching step S40 are prevented from flapping.

In the paper tube supply step (S50), paper tubes are sequentially inserted one by one at a predetermined time interval while a plurality of paper tubes are loaded.

In the winding step (S60), the vinyl fabric after the punching step (S40) is wound around the paper tube. At this time, since the vinyl fabric is in a state in which both the right and left side grips A4 and the front and rear binding portions A5 are connected to each other, smooth winding without flapping can be achieved.

In the cutting step S70, the vinyl fabric wound in a certain length in the winding step S60 is cut to complete the manufacture of the plastic bag having the handle wound in the paper tube and in rollback form.

In the meantime, the apparatus for manufacturing a plastic bag having the handle of the present invention includes a fabric supply unit 100 for continuously supplying a vinyl fabric, an unwinder 200 for unloading and forcibly transporting a vinyl fabric, A fused portion A3 is formed on the vinyl fabric and the vinyl fabric is punched to form the left and right handles A4 and the front and back bundles A5 A winding drum 600 for winding a vinyl fabric on a branch pipe; a winding drum 500 for winding a vinyl fabric at a predetermined length And a cutter 700 for cutting the vinyl fabric wound by the cutter 700.

The fabric supply unit 100 is cylindrical and has a vinyl fabric roll wound in a roll shape on both sides of the vinyl fabric roll in the longitudinal direction. The vinyl fabric roll is rotated while the vinyl fabric is unwound and supplied continuously.

The un-winder 200 includes tension means 201 for maintaining the tension of the vinyl fabric constant to unload the vinyl fabric from the vinyl fabric roll of the far-end feeder 100, and forcibly feeding the vinyl fabric And feeding means 202 having a drive motor.

The fused portion 300 includes a first fusing line A1 formed by the width of the vinyl fabric in the width direction of the vinyl fabric continuously fed by the unwinder 200 and a second fusing line A1 formed by the width of the pleats A first heat line 301 forming a first fusing line A1 and a second heat line 302 forming a second fusing line A2 to form a second fusing line A2 ).

The first heating wire 301 and the second heating wire 302 are connected to each other by a lifting means 303 for forming a first fusing line A1 and a second fusing line A2 at regular intervals And has a structure that is lifted and lowered at regular time intervals.

The elevating means 303 for elevating and lowering the first heating line 301 and the second heating line 302 can selectively use various mechanical devices. However, considering the productivity and maintenance efficiency, the crank Is preferably used.

The cut punching unit 400 forms a tear line A3 between the first fusing line A1 and the second fusing line A2 formed on the vinyl fabric by the fusing unit 300 by the width of the vinyl fabric And a cutting blade 401 which is lifted and lowered by a lifting means 403 at a predetermined time interval.

In order to simultaneously form the left and right handles A4 and the front and back bundles A5 at the lower portion of the perforation line A3 formed in the vinyl fabric, the lifting means 403 is provided at a predetermined time interval And a punching blade 402 which is lifted and lowered.

At this time, the cutting blade 401 and the punching blade 402 can be formed as one module and can be lifted and lowered by using the single lifting means 403. Like the lifting means 303 of the fused portion 300, Various mechanical devices can be selectively used, but it is preferable to use a crank driven by a motor in consideration of productivity and maintenance efficiency.

The paper tube feeding part 500 includes a paper tube loading part 501 for discharging a paper tube through a paper tube outlet 501a formed at a lower end of the paper tube for loading the paper tube for winding the cut vinyl paper, And a paper tube discharging means (502) for selectively discharging a paper tube positioned at the lowermost one of the plurality of paper tubes loaded.

The paper tube discharging means 502 has a structure in which a switch 502a for opening and closing a paper tube outlet 501a of the paper tube loading portion 501 is rotated using a cylinder 502b.

The winding drum 600 sequentially rotates the vinyl fabric having been cut and punched at a predetermined angle by continuously winding the vinyl fabric continuously fed to the paper tube fed from the paper tube feeding part so as to sequentially replace the paper tubes to which the vinyl is wound, A branch pipe guide plate 602 having a bent portion for providing a path for sequentially rotating the branch pipes supported by the support protrusions at a predetermined angle when the sawtooth type rotary plate rotates; A rotary drum 603 that rotates the branch tube moving in contact with the bent portion by a frictional force to wind the vinyl supplied to between the branch tube and the rotary drum on the branch tube, and the length of the vinyl that is wound around the branch tube by counting the number of revolutions of the rotary drum And a rotation number counter 604 that can be rotated.

The sawtoothed rotary plate 601 is made of a circular plate and has eight tooth portions 601a and eight concave troughs 601b repeatedly formed at regular intervals along the outer circumferential surface. At this time, the number of the tooth portions and the concave valley portions is not limited and may be changed to various numbers.

The structure of the winding drum 600 is well known in the technical field of the present invention, and a detailed description thereof will be omitted.

The cutting unit 700 includes a cutting knife 702 which is lifted up and down by a cylinder 701 on the winding drum 600 to cut a vinyl fabric wound in a paper tube at a certain length in the winding drum 600 .

The cylinder 701 for moving up and down the cutting knife 702 operates in conjunction with a signal provided by the rotation number counter 604 of the winding drum 600 so that when the vinyl fabric is wound on the branch tube by a predetermined length, It is preferable to cut the vinyl fabric 702 downward and return to the original position after cutting the vinyl fabric.

A method of manufacturing a plastic bag having a handle to which the technique of the present invention is applied, and a process of manufacturing a plastic bag having a handle formed in a rollback form wound on a paper tube using the manufacturing apparatus will be described.

First, a vinyl fabric A having a cylindrical shape in a raw-end feeding part 100 of a plastic bag manufacturing apparatus having a handle according to the present invention and having corrugations W formed on both side edges thereof in the longitudinal direction is cut by an unwinder 200 The first heat ray 301 and the second heat ray 302 ascending and descending by the elevating means 303 are supplied to the fused portion 300 by the first fusing line A1 and a second fusing line A2 formed by the width of the corrugations on both edges of the vinyl fabric are formed at predetermined intervals.

The vinyl fabric having the first fusing line A1 and the second fusing line A2 formed at predetermined intervals as described above is cut by a cutting blade 401 that is fed to the cut and punching unit 400 and ascended and descended by the lifting unit 403 The punching blade 402 is inserted between the first fusing line A1 and the second fusing line A2 to form the perforated line A3 and the punching blade 402 is inserted into the lower portion of the perforated line A3, To form the left and right handles (A4) of the vinyl fabric and the front and rear binding portions A5 at the same time.

While the vinyl fabric having the knob A4 and the bundle A5 is fed to the winding drum 600 as described above, the branch tube feeding part 500 intermittently feeds the branch tube B for winding the cut vinyl fabric, The paper tube is supplied to the winding drum 600 from the paper-feeding unit 500.

Thus, when the winding drum 600 and the vinyl fabric and the paper tube are supplied at the same time, as the sawtooth type rotary plate of the winding drum 600 rotates at a certain angle, the branch tube comes into contact with the outer peripheral surface of the rotary drum through the vinyl, The vinyl which is in contact with the outer circumferential surface of the rotary drum is moved to the right along the rotating direction of the rotary drum (clockwise in FIG. 2) by the frictional force between the rotary drum and the vinyl, The paper tube in contact with the upper surface of the vinyl is rotated in a direction opposite to the rotating direction of the rotating drum (counterclockwise in Fig. 2), so that the vinyl fabric is wound around the paper tube and wound.

As described above, the rotation number counter 604 for counting the number of revolutions of the rotary drum in the course of winding the vinyl fabric by the branch tube counts the number of revolutions of the rotary drum having a constant circumference, so that the vinyl fabric is moved and wound on the branch tube The distance is calculated.

Accordingly, when a certain length of the vinyl fabric is wound on the branch tube, the cutting knife 702 of the cutter 700 installed on the winding drum 600 is lowered to cut the vinyl fabric, thereby winding the vinyl fabric of a certain length into the branch tube.

When the winding of the vinyl fabric of a predetermined length is completed in the winding drum 600 as described above, the paper tube wound with the vinyl fabric is discharged by the rotation of the sawtooth rotary plate, so that the supply of the vinyl fabric and paper tubes The winding of the vinyl fabric, and the discharge of the paper tube wound with the vinyl fabric are performed at the same time, so that a rollback type plastic bag having a handle is produced.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be construed as limiting the scope of the invention as defined by the appended claims. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

A: vinyl fabric A1: first fusing line
A2: second fusing line A3: perforated line
A4: Handle A5: Bundle
B: Branch tube
R: Plastic bag with handle made in rollback form
S10: Supply step S20: Fusing step
S30: Cutting step S40: Punching step
S50: paper tube supply step S60: winding step
S70: Cutting step
100: fabric feeder 200: unwinder
300: fused portion 301: first hot wire
302: second heating line 303: elevating means
400: Cutting and punching section 401: Cutting blade
402: punching blade 403: elevating means
500: branch pipe supply part 501: branch pipe loading part
502: paper tube discharging means 600: winding drum
700: Cutting section

Claims (4)

A supply step (S10) of continuously supplying a vinyl fabric having a cylindrical shape and formed on its both side edges in a longitudinal direction with a crease;
(S20) in which a first fusing line (A1) corresponding to the width of the vinyl fabric in the width direction of the vinyl fabric and a second fusing line (A2) corresponding to the width of the corrugation on both sides of the vinyl fabric are formed at predetermined intervals )Wow;
A cutting step S30 of forming a tear line A3 between the first fusing line A1 and the second fusing line A2 by a width of a vinyl fabric width;
A punching step (S40) of forming left and right holes at the bottom of the perforated line (A3) to simultaneously form the left and right handles (A4) and the front and back bundles (A5);
A paper tube supplying step (S50) of supplying a paper tube for winding the vinyl fabric having been cut and punched;
A winding step (S60) of winding the vinyl fabric finished in the punching step on the paper tube;
And a cutting step (S70) of cutting the vinyl fabric wound in a predetermined length to the paper tube.
A fabric supplying unit 100 for continuously supplying a vinyl fabric having a cylindrical shape and formed with wrinkles in the longitudinal direction on both side edges thereof;
An unwinder 200 for unloading and forcibly transporting the vinyl fabric wound around the fabric supplying portion 100;
A first heating line (301) forming a first fusing line (A1) by the width of the vinyl fabric in the width direction of the vinyl fabric continuously fed by the unwinder (200) A fused portion 300 provided at a predetermined interval so as to be able to move up and down by a lifting means 303, and a second heat line 302 forming a second fused line A2 as much as possible;
The cutting edge 401 and the punching blade 402 are lifted and lowered by the lifting means 403 and the perforation line A3 is formed between the first fusing line A1 and the second fusing line A2 by the width of the vinyl fabric A cutout punching section 400 for forming right and left side handles A4 and a front and rear binding section A5 at the bottom of the perforated line A3;
A paper tube feeding part (500) for intermittently feeding a paper tube for winding the vinyl fabric that has been cut and punched;
A winding drum (600) for continuously winding the cut vinyl punching-finished vinyl fabric on a paper tube fed from the paper tube feeding part;
And a cutter (700) for cutting the vinyl fabric wound in a certain length in the branch tube in the winding drum (600).
A plastic bag having a handle made in the form of a rollback wound on a paper tube by a method of manufacturing a plastic bag with a handle according to claim 1.
A plastic bag having a handle made in the form of a rollback wound on a paper tube by a plastic bag manufacturing apparatus having a handle according to claim 2.
KR1020150153221A 2015-11-02 2015-11-02 Method and apparatus for manufacturing a plastic bag with handle and plastic bags made therefrom KR20170050987A (en)

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KR1020150153221A KR20170050987A (en) 2015-11-02 2015-11-02 Method and apparatus for manufacturing a plastic bag with handle and plastic bags made therefrom
PCT/KR2015/012964 WO2017078211A1 (en) 2015-11-02 2015-12-01 Method and apparatus for producing vinyl bag having handle, and vinyl bag produced therefrom

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KR100795182B1 (en) * 2007-03-27 2008-01-16 유재순 Apparatus for producing roll vinyl bag and roll vinyl bag
KR101079674B1 (en) * 2009-04-29 2011-11-03 디아이텍 주식회사 Apparatus Making Dotted Cutting Line of Wrapping Bag
KR101039690B1 (en) * 2010-08-27 2011-06-13 최민기 2-color synthetic resin bag and manufacturing method

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KR20200071468A (en) 2018-12-11 2020-06-19 이상일 Vinyl bag folding device for manufacturing system of vinyl bag
KR102324400B1 (en) 2020-07-17 2021-11-09 김진환 Apparatus for manufacturing plastic bag and methode for manufacturing plastic bag using the same
KR102417792B1 (en) 2021-12-17 2022-07-06 박훈 Grip attaching apparatus for plastic bag
KR102644494B1 (en) 2023-09-27 2024-03-07 박훈 Pouch bag manufacturing facility

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