KR20090111201A - A bundle of a vinyl sheet manufacturing apparatus and the bundle of vinyl sheet thereby - Google Patents

Abstract

PURPOSE: A vinyl sheet bundle manufacturing apparatus is provided to improve productivity and reduce manufacturing cost by automating processes of manufacturing a bundle of vinyl sheets. CONSTITUTION: A vinyl sheet bundle manufacturing apparatus comprises a first feeder(10), a second feeder(15), a cutting line shaping part(50), a cutting part(30), a fusing part(40), and a transport part(60). The first feeder and the second feeder are made of rollers(11,21) rotating to deliver a packing vinyl sheet(2) reeled on a roll(1). The cutting line shaping part is arranged between the first feeder and the second feeder. A cutting line is formed at the edge part of the vinyl sheet to be cut. The cutting part cut the vinyl sheet supplied by the second feeder. The fusing part comprises a fusing unit generating resistance heat. The transport part transfers a unit vinyl sheet bundle for package.

Description

Sheet cutable vinyl sheet forming apparatus and vinyl sheet bundle {A BUNDLE OF A VINYL SHEET MANUFACTURING APPARATUS AND THE BUNDLE OF VINYL SHEET THEREBY}

The present invention relates to an apparatus for forming a bundle of cutable vinyl sheets, in particular, an apparatus for forming a plurality of vinyl sheets in a bundle for easy cutting into sheets for packaging, and a bundle of vinyl sheets manufactured by such a bundle forming apparatus. It is about.

Generally, in department stores or large markets, foodstuffs such as various vegetables, fruits, meats, seafood, and other foods are stored in plastic sheets or bags to facilitate food packaging and transportation. Formed in bundles to be stored and sold so that the user is used to tear off one by one from the packaging plastic sheet or bag bundle.

In addition, for the convenience of the user, a plurality of packaging plastic sheets or bags are bundled, and a hole is formed in the upper portion or the corner portion to be hooked on the ring, and the user may use a tear off one by one to form a cutting line for convenient use. .

However, in the prior art, a process of cutting a vinyl sheet to a required size from a vinyl sheet roll to form such a bundle of packaging vinyl sheets, a process of forming such cut vinyl sheets into a bundle, at the top or corner of the cut vinyl sheet The production process such as the formation of punching and cutting undercuts did not have a consistent process in one device, resulting in low productivity.

In addition, when the packaging vinyl sheet is particularly thin, there is a problem that the user may unintentionally tear several sheets at a time in the process of tearing off the vinyl sheet by hand from the bundle of vinyl sheets in contact with each other, and thus an improvement for this has been desired.

An object of the present invention is to pre-form a cutting line in a diagonal direction in a portion corresponding to the corner portion of the unit vinyl sheet in the vinyl sheet supplied from the roll of the vinyl sheet in order to solve the problem of the apparatus for forming a conventional vinyl sheet bundle Then, the vinyl sheet is cut in predetermined length units, and the sheets are welded together to form a bundle of vinyl sheets of a predetermined long life by welding the vinyl sheets to each other at a local part of a corner portion where a cutting line of the cut unit length vinyl sheet is formed. To provide a packaging vinyl sheet bundle forming apparatus that is improved to perform the packaging vinyl sheet bundle in an automated and consistent process.

In addition, the present invention solves the problem of unintentionally tearing each sheet when the user tears off the conventional packaging vinyl sheet bundle to improve the ease of cutting the sheets by fusion of the vinyl sheets to each other so that they are easily torn off one by one even when the vinyl sheet is thin. To provide a packaged package of wrapped vinyl sheets.

In order to achieve the above object, the packaging vinyl sheet bundle forming apparatus according to the present invention is a device for forming a bundle of packaging vinyl sheets of unit length from a vinyl sheet wound with at least one roll, the packaging vinyl sheet wound on a roll A preliminary cutting line is formed at an edge portion of the vinyl sheet which is disposed between the first paper feeder and the second paper feeder and the first paper feeder and the second paper feeder which are rotated to be interlocked with each other so as to be conveyed. A cut line forming portion to be formed, a cut portion for cutting the vinyl sheet supplied by the second paper feed portion in a width direction into a pre-set vinyl sheet for unit length, and a vinyl sheet having a unit length cut by the cut portion. Bundled by fusion at the edges, stacked on top of previously cut unit-length vinyl sheets The electricity to be integrated in the form is energized is configured to include a transfer part for transferring to a fusing unit, the packaging unit of the vinyl sheet bundle having a fusion splicer that the resistance heat is generated.

The cutting line forming portion is mounted to the supporting portion, the supporting portion is linked to move up and down when the motor is operated by the connecting rod, and the cutting line forming portion is fixed between the two plate-shaped cutting edge supporting portions and the supporting portions, and the lower end is serrated. Including a cutting blade in the form, two supporting members disposed below each cutting blade support with a width greater than the cutting blade thickness and elastically connected to the cutting blade supports by spring-loaded guide rods. It is preferred to be configured.

In addition, the cutting portion is preferably configured to include a cutting blade mounted to the support portion to move up and down with the connecting rod connected to the cam that rotates by the operation of the motor.

The cutting blade support portion is connected to the pressing plate to the connecting rod so as to stably press the vinyl sheet when the vinyl sheet is cut by the cutting blade when moving downward, the connecting rod is elastically movable by the elastic spring holder 45 It is preferably configured to be held by.

In addition, the fusion machine is mounted to the support portion, it is preferable to be configured to fusion the vinyl sheets disposed therein inserted through the hole of the pressing plate during the downward movement of the pressing plate.

It is preferable that the supporting part of the cutout is provided with a counter so as to display the number of sheets of the vinyl sheet of the unit length cut by counting the vertical motion of the supporting part.

In order to allow the length of the vinyl sheet supplied from the first paper feeder to the second paper feeder, the vinyl sheets are arranged to be stretched in a "∪" shape between intermediate supporting rods disposed adjacent to the first paper feeder. The light blocking sheet disposed in the middle of the "L" shaped sheet is provided, and the light emitting element 18 and the light receiving element are provided adjacent to both outer sides of the stretched vinyl sheets, and the vinyl sheet is pulled to raise the light blocking sheet. The first paper feeder is preferably driven to supply the vinyl sheet from the roll when the signal of the light receiving element receives the light of the light emitting element.

According to the present invention, a plurality of packaging vinyl sheets of unit length are fused and integrated, and a packaging vinyl sheet bundle is provided, wherein a cutting line is formed in an oblique direction at one corner of each of the vinyl sheets.

The packaging sheet sheet forming apparatus according to the present invention can produce the vinyl sheets of unit length from the vinyl sheet roll by an automated work process in a bundle of a predetermined number of times to improve productivity, thereby reducing the production cost.

In addition, according to the present invention, the vinyl sheet bundle by fusion is convenient to use, since the user cuts the vinyl sheet in contact with the palm of the hand and sweeps it downward from the cutting line, and does not need to hold the vinyl sheet with the finger. It is inconvenient to grasp the sheets and the problem of tearing off multiple sheets is also eliminated, which is effective in reducing the waste of vinyl sheets.

Hereinafter will be described in detail with reference to the accompanying drawings showing an embodiment of a packaging vinyl sheet bundle forming apparatus according to the present invention and an improved packaging vinyl sheet bundle produced by such a device to facilitate cutting.

Figure 1 is a schematic view showing a packaging sheet sheet forming apparatus according to the present invention.

The packaging sheet sheet forming apparatus according to the present invention, as shown in Figure 1, the first sheet feeding unit 10 and the second sheet feeding unit 10 for transporting the packaging vinyl sheet 2 wound on at least one roll (1) ), A cut portion 30 for cutting the vinyl sheet 2 supplied by the second paper feed portion in the width direction into a unit wrapping vinyl sheet having a predetermined length, and a vinyl sheet 3 having a unit length cut by the cut portion. ) For packaging the fusion unit 40, the unit vinyl sheet bundles 4, which are integrated in a bundle form by fusion at the corners while being stacked to be stacked on the previously cut unit length vinyl sheets for packaging. It includes a conveying unit 60 for conveying.

In addition, the packaging sheet sheet forming apparatus according to the present invention has a diagonal shape in the corner portion including the fusion portion of the vinyl sheet of the unit length so that the unit vinyl sheets (3) can be easily cut into a single sheet around the fusion region. It is preferable to include a cutting line forming part 50 which forms a cutting line between the first paper feeding part 10 and the second paper feeding part 15.

The first paper feeding unit 10 is composed of a pair of rollers 12 driven by a driving motor 11 and engaged with each other to rotate. The rollers 12 are engaged with each other and rotated so that the vinyl between the rollers 12 is rotated. As the sheet 2 is conveyed, the vinyl sheet 2 is continuously drawn out of the roll 1 and conveyed.

The vinyl sheet supplied through the first paper feeder 10 is supplied to the second paper feeder 15 to be described later through a plurality of intermediate support rods 13. Although the rollers of the first paper feeder 10 and the second paper feeder 15 are not shown in the drawing, they are driven by separate driving motors, so that the length of the vinyl sheet supplied from the first paper feeder to the second paper feeder is relaxed. It is necessary to prevent the rollers of the second paper feeder from driving at the same time all the time, and to prevent the vinyl sheet from tearing even if a sudden situation occurs during operation.

To this end, the vinyl sheet supplied from the first paper feeder is stretched in a "∪" shape between the middle support rods 13 installed on the upper side to allow a length of the supplied vinyl sheet to be relaxed, The light shielding sheet 16 is disposed in the middle of the "L" shaped vinyl sheet, and adjacent to the outer side of the stretched vinyl sheets 2, the light emitting element 18 and the light receiving element 19 on the opposite side thereof. Is arranged.

As a result, the lower edge is raised as the vinyl sheet stretched between the intermediate supporting rods 13 is operated as the vinyl sheet is operated by the second sheet feeding unit 15 while the first sheet feeding unit 10 is stopped. When the sheet 16 is lifted over the light emitting element 18 and the light receiving element 19 of the sensor, the light receiving element 19 receives the light generated by the light emitting element 18 in response to the signal of the light receiving element. As the non-drive motor operates the first paper feed unit 10 and the rollers are rotated, the vinyl sheet 2 is supplied from the roll 1, and the vinyl sheet is stretched back into a “∪” shape in the state shown in the drawing. As the light blocking sheet 16 blocks the light of the light emitting device 18 as shown in the drawing, the first feeder 10 is also stopped as the driving motor is stopped because no signal of the light receiving device is generated. .

The vinyl sheet pulled by the rollers interlocked with each other of the second feeder 15 composed of rollers such as the first feeder is disposed adjacent to both ends of the support plate 24 and the lower end thereof is lower than the upper surface of the support plate, thereby supporting the support plate. (24) The vinyl sheet, which is in a taut state from above, is formed by the cutting line forming apparatus 50 in a diagonal direction toward the inside, as shown in FIG.

The cutting line forming apparatus 50 is specifically illustrated in FIG. 3. The cutting blade receiving portion 57, which has a groove formed therein, is embedded in the same direction as the cutting line so that the upper surface and the upper end of the support plate 24 coincide with each other so that the cutting blade operated downward when the cutting line is formed on the vinyl sheet is not damaged. A cutting edge 52 having a lower end is serrated between two plate-shaped cutting blade supporting portions 51, and the cutting blade supporting portions 51 are spaced apart from each other by a width larger than the cutting edge thickness. Guide rods 54 are fixed to both ends of the two supporting members 53, and the cutting edge support portions 51 are mounted to the upper and lower movable guide rods 54 at the guide rods 54. The elastic spring 55 is elastically movable up and down.

The cutting line forming apparatus 50 is coupled to the support 58 by a bracket, and the support 58 is provided with a connecting rod 59 provided with an elastic spring for acting a restoring force to an initial position up a predetermined distance from the vinyl sheet. As shown schematically in FIG. 1, a cutting line forming apparatus 50 is connected to a rotation disc or cam 32 ′ provided at an end of a shaft rotated by a motor 31 and moves up and down by driving a motor. Cutting blade 52 of the) to form a cutting line while moving up and down.

The sheet having the cutting line formed therein is cut into unit lengths at the cut portion 30 disposed immediately adjacent to the second paper feed portion 15 and integrally fused together with the vinyl sheet of the unit length that was first cut at the fusion portion 40. .

The cutting part 30 is fixed to the upper end of the connecting rod 33 which is connected to the rotating disc or cam 32 provided at the output shaft end of the motor 31 driven by the motor 31 as shown in FIGS. Support portion 35 moves up and down. The support part 35 is equipped with a cutting blade 34 on a surface opposite to the pair of rollers 21 of the second paper feeder, and a counter 36 and a fusion machine 41 are provided on the opposite side thereof, and a vinyl sheet When the cutting and fusion of the pressing plate 42 for pressing the vinyl sheet is maintained in the holder 45 so that the upper end of the connecting rod 44 can be moved. The connecting rod 44 is provided with an elastic spring 43 for providing an elastic force to act the elastic force to the initial position raised to the connecting rod.

The support part 35 of the cutting part 30 moves up and down together with the connecting rod 33 connected to the cam 32 by the operation of the motor 31, and is connected to the lower end of the connecting rod 44 when the connecting rod is moved downward. The fixed pressing plate 42 presses the vinyl sheet 2) against the bottom plate 37. At this time, the cutting blade 34 fixed to the back of the supporting portion 35 on the tensioned vinyl sheet together with the supporting portion. While downward, the vinyl sheet is cut entirely in the width direction.

Overcoming the elastic force of the elastic spring 43 of the connecting rod 44 connecting the pressing plate during the downward movement of the support part 35 to move further downward while the electricity is energized to generate a heat of resistance is the pressing plate 42 As the plastic sheet is inserted into the hole 46 formed therein) and pressed against the vinyl sheet below, the vinyl sheet is melted by the resistance heat of the fusion machine, and is integrally formed with the vinyl sheet cut and disposed under the unit length in the preceding cutting process. Fusion. The temperature of the fusion machine can be preset, for example, by setting the resistance so that the vinyl sheet can be melted. The fusion point is located between the cutting line 56 and the cut edge, as shown on the right side of FIG. 2, and several holes are previously drilled in the pressing plate 42 to adjust the fusion point according to the size of the cut vinyl sheet. It is.

The counter 36 counts the vertical motion of the support part 35 to display the number of cut sheets of vinyl.

In the present invention, the support portion 35 for operating the cutting blade and the fusion machine and the support portion 58 of the cutting line forming portion disposed in front thereof are connected by a transmission means 48 such as a belt or a chain to be driven together by the motor 31. Preferably, the operation time point may be set in advance to operate when the length calculated from the circumferential length of the roller 21 of the second paper feeder 15 corresponds to the length of the unit vinyl sheet.

As described above, the vinyl sheet to be fused and cut into unit lengths is loaded into a predetermined number of sheets, for example, 30 sheets, 50 sheets, 100 sheets, fused together, formed into a bundle, and then through the conveyor belt of the conveying unit 60. It is transported, packed and shipped. For this purpose, the bottom plate 37 is preferably formed lower than the number of bundles of the vinyl sheet set than the discharge side end of the roller 21 of the second paper feeding portion.

Reference numeral 70, which is not described in FIG. 1, is an antistatic means for removing the static electricity generated in the vinyl sheet, and is charged with the same polarity as the pole charged on the vinyl sheet so that the vinyl sheets remain fused to each other. Although not shown in the figure as the blower 80, the wind blown by the fan is discharged as indicated by the arrow in the blower to keep the vinyl sheets stacked.

5 is a perspective view of a packaging vinyl sheet bundle manufactured by the packaging vinyl sheet forming apparatus of the present invention described above. The vinyl sheet bundle 90 is integrated at the fusion portion 91 with a predetermined long life, and may be perforated by the fusion machine if necessary, or may subsequently form a small hole for the user to walk on.

While the description of the embodiment of the present invention has been described with respect to an apparatus for forming a bundle of packaging vinyl sheets of unit length from a vinyl sheet supplied from one roll, the arrangement of a plurality of vinyl sheet rolls, By installing the same configuration in the lower side or the upper side in parallel so that the vinyl sheets formed with the cutting line are fed together to the second paper feeding unit 15, and simultaneously cutting and packing several sheets of packaging vinyl sheets from a plurality of vinyl sheets. It will be readily understood that silence may be formed by fusion, and this is also within the scope of the present invention.

According to the present invention, vinyl sheets of unit length can be produced by an automated work process in a bundle of a predetermined number of sheets from a vinyl sheet roll, and productivity is improved, and in use, the user cuts the vinyl sheet by touching the palm of the palm down and sweeps it downward. Since it is easy to use because it is cut from a single sheet, it is not necessary to hold the vinyl sheet with a finger, so it is inconvenient to hold a single sheet of a finger and the problem of tearing several sheets is also eliminated, thereby reducing waste of the vinyl sheet.

1 is a schematic configuration diagram of a packaging sheet sheet forming apparatus according to the present invention.

FIG. 2 is a schematic plan view of a vinyl sheet being moved in the apparatus of FIG. 1 with a cutting line formed and cut into unit lengths; FIG.

3 is a partially enlarged view showing a detailed configuration of the cut line forming portion of the device of FIG.

4 is a partially enlarged view showing a detailed configuration of a fusion portion of the device of FIG.

FIG. 5 is a schematic perspective view of a packaging vinyl sheet bundle made with the apparatus of FIG. 1. FIG.

Explanation of symbols on the main parts of the drawings

  1: roll 2: vinyl sheet

  10: first paper feeder 15: second paper feeder

  11, 21: roller 30: cutting portion

  32: Cam 33: connecting rod

  34: cutting edge 35: support

  36: counter 40: fusion

  41: fusion machine 42: pressure plate

  45 holder 50: cutting line forming portion

  51: support 52: cutting blade

  53: support member 56: cutting line

  60: conveying unit 90: bundle of plastic sheets for packaging

Claims (8)

An apparatus for forming a bundle of packaging vinyl sheets of unit length from a vinyl sheet wound with at least one roll, The first paper feeding portion 10 and the second paper feeding portion 15, which are composed of rollers 11 and 21, which are engaged with each other so as to transport the wrapping plastic sheet 2 wound on the roll 1, and the first paper feeding portion ( 10) between the second paper feed portion 15 and the cutting line forming portion 50 to form a diagonal cut line 56 in advance in the corner portion of the vinyl sheet to be cut into a unit length, by the second paper feed The cut part 30 which cuts the supplied vinyl sheet 2 into the vinyl sheet for unit packaging of a predetermined length in the width direction, and cut the vinyl sheet 2 of the unit length cut | disconnected by the cut part earlier, Fusion unit 40, unit vinyl sheet provided with a fusion machine 41, which generates electricity of resistance by applying electricity to be integrated in a bundle form by fusion at the corners while being stacked and stacked on the unit length vinyl sheets. Transfer unit 60 for transferring the bundles (4) for packaging Vinyl sheet bundle forming device for packaging comprising a. According to claim 1, wherein the cutting line forming portion 50 is mounted to the support 58, the support 58 is linked by the connecting rod 59 to move up and down when operating the motor, the two cutting line forming portion Cutting blade support portion 51 of the plate-shaped cutting edge of the cutting blade 52 is fixed between the support portions and the lower end is serrated, the width of the cutting blade support portion 51 lower than each Forming a packaging vinyl sheet package, characterized in that it comprises two support members 53 which are spaced apart and elastically connected to the cutting edge support portions 51 by guide rods 54 provided with a spring 55. Device. The cutting unit 30 of claim 1, wherein the cutting unit 30 includes a cutting blade 34 mounted to the support unit 35 that moves up and down together with the connecting rod 33 connected to the cam 32 by the operation of the motor 31. Vinyl sheet bundle forming device for packaging, characterized in that configured. According to claim 3, wherein the support part 35, when the vinyl sheet is cut by the cutting edge 34 during the downward movement, the pressing plate 42 is connected to the connecting rod 44 so as to stably press the vinyl sheet (2) And the connecting rod is formed to be held by the holder 45 so as to be elastically movable by an elastic spring (43). The welding machine (41) according to any one of the preceding claims, wherein the welding machine (41) is mounted to the support part (35), and is inserted through the hole (46) during the downward movement of the pressing plate (42) to fuse the plastic sheets disposed thereunder. Packaging machine for packaging plastic sheet, characterized in that. The support part 51 of the said cutting part 30 is provided with the counter 36, The counting part of the vinyl sheet of the unit length cut | disconnected by counting the up-down motion of the support part in any one of Claims 1-4 is shown. Vinyl sheet bundle forming device for packaging, characterized in that. The intermediate support rod (13) according to any one of claims 1 to 4, wherein the intermediate support bar (13) is disposed at a position adjacent to the first paper feeding portion to allow a length of the vinyl sheet supplied from the first paper feeding portion (10) to the second paper feeding portion (15). The vinyl sheet 2 is arranged to be arranged in a "시트" shape between the light blocking sheets 16 arranged in the middle of the "V" shaped sheet as described above, and the stretched vinyl sheet ( The light emitting element 18 and the light receiving element 19 are provided adjacent to both outer sides of the 2), so that the signal of the light receiving element receiving the light of the light emitting element when the vinyl sheet 2 is pulled and the light blocking sheet 16 is raised. The first sheet feeder (10) is driven to supply the vinyl sheet from the roll, characterized in that the sheet sheet forming apparatus. In the packaging vinyl sheet bundle, a plurality of packaging vinyl sheets 2 of unit length are fused and integrated, and a cutting line 56 is formed in an oblique direction at one corner of each of the vinyl sheets. Packed plastic sheeting.

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