KR102230891B1 - Manufacturing system and method using slot die coater for string shaped ODF - Google Patents

Abstract

The present invention relates to a system for manufacturing a stripe-shaped coating type oral dissolving film (ODF) using a slot die, and a method thereof. According to the present invention, the slot die is configured to seamlessly and continuously perform an ejection process of an undiluted film solution without tilting rotation and horizontal reciprocating motion and, at the same time, is configured to allow the undiluted film solution ejected to a base film to be formed in a plurality of rows of stripe-shaped coating bodies which are spaced apart in the width direction and extend in the longitudinal direction, so that coating solution dispensing process time is significantly increased in comparison with the overall process time, thereby maximizing production. Moreover, as the position of the slot die is fixed, the viscosity and cohesive force of the undiluted film solution received in the slot die are maintained as it is, so that the ejection amount, thickness, and evenness of the ejected undiluted film solution can be increased. A first cutting unit is disposed at the rear side of a drying unit to cut an ODF formed of the strip-shaped coating body in the width direction, so that the strip-shaped coating body elongated in the longitudinal direction to the correct length can be cut by precise length to be processed into a plurality of single pieces. The apparatus comprises a base film supply unit, a slot die coating unit, a drying unit, a first cutting unit, a base film recovery unit, a lower wrapping paper supply unit, a defect inspection unit, an upper wrapping paper supply unit, a sealing unit, a slitting unit, and a second cutting unit.

Description

Manufacturing system and method using slot die coater for string shaped ODF}

The present invention relates to a system and method for manufacturing a line-shaped coating type ODF using a slot die, and in detail, when discharging an undiluted solution of an oral dissolving film (ODF), a tilting rotation and a linear reciprocating process of the slot die are eliminated. It is configured to continuously discharge the undiluted solution without stopping, but it is configured to perform a cutting process to cut the dried undiluted solution in the longitudinal direction after the drying process, so that operation without moving and rotating the slot die is possible, thereby reducing the discharging pressure of the manufactured undiluted solution. The present invention relates to a line-shaped coated ODF manufacturing system and method that can not only maintain uniformity, but also maximize production compared to the same manufacturing time, and reduce defect rates by increasing the precision and uniformity of the thickness and area of the undiluted solution to be discharged. .

Oral dissolving film (ODF) is a film that is attached and dissolved in the oral cavity such as the tongue, oral mucosa, and sublingual, and is a film that is harmless to the human body such as starch, and a material that is beneficial to the human body is mixed inside the undiluted solution soluble in water As it is made of, it is not only excellent in portability and mobility, but also has a fast absorption rate through the oral mucosa, reduces breakage compared to capsules and tablets, and is easy to administer.

In particular, in recent years, as the quality of life develops and interest in health rapidly increases, foods for various purposes such as nutritional supplements, health supplements, medicines, and erectile dysfunction are being taken, but these multi-purpose foods are mainly capsules and tablets. As it is produced, it is easy to do spontaneous administration, but it has the disadvantages that the non-spontaneous administration process is complicated as well as easy to break, and various studies to manufacture multi-purpose foods as oral dissolving film (ODF) as a way to solve these shortcomings. Is in progress.

1 is a block diagram showing an apparatus for manufacturing an oral dissolving film disclosed in Korean Patent Registration No. 10-1980283 (name of the invention: a slot die coater and an apparatus for producing an oral dissolving film having the same).

The oral dissolving film manufacturing apparatus (hereinafter referred to as the prior art) 100 of FIG. 1 includes a slot die 121 having a slot 122 formed so that a coating solution is applied to the base film 102, and a coating solution. The tanks 152 to be stored, pumps 151 for pressurizing the coating liquid so that the coating liquid is discharged from the tanks 152 through the slot 122 through the inside of the slot die 121, and the slot A tilting servo motor 185 providing power to tilt the die 121 about a rotation axis parallel to the width direction of the base film 102 and the slot die 121 are used as a base film. A linear motion servo motor 161 that provides power to move linearly in a direction approaching (102) and the opposite direction, and a dryer that forms an oral dissolving film by drying the coating liquid 103 applied to the base film 102 It consists of (191) and a packaging machine (192) for packaging the oral dissolving film formed by passing through the dryer (191) individually.

In the prior art 100 configured as described above, the tilting of the slot die 121 and the linear motion in the direction toward the base film 102 and the opposite direction are respectively, the tilting servo motor 185 and the linear motion servo motor 161 ) By driving the coating liquid on the base film 102 with high precision, and has the advantage that an unintended drop of the coating liquid does not occur between the lines.

However, looking at the operation process of the slot die 121 of the prior art 100, the slot die 121 includes a first moving step of linearly moving in a direction toward the base film, and a slot die moved through the first moving step. A discharge step of discharging the coating liquid through the slot 122 of 121), a discharge stop step of stopping the discharge of the coating liquid, a tilting rotation step of tilting and rotating the slot die 121, and a tilting rotating slot die 121 It consists of a first rotation step of horizontally moving the base film 102 in a direction opposite to the base film 102, and this step is repeated for each row of the coating liquid discharge process, so that the coating liquid is not continuously discharged, but every cycle (T). As a result, the coating liquid discharge process time is excessively small compared to the total process time, so the production amount is significantly lowered.

In addition, in the prior art 100, a tilting servo motor 185 for tilting and rotating the slot die 121, a linear motion servo motor 161 for horizontal reciprocating motion of the slot die 121, and accessories thereof are essentially Since it must be provided, not only is the design complicated, but also there is a problem that the production process is stopped due to equipment inspection and replacement due to frequent failures due to the complicated design.

In general, the coating liquid has viscosity and cohesive force as it contains starch, but this viscosity and cohesive force has a characteristic that, when the discharge pressure and position are changed, a slight deviation of the discharge mass occurs.

However, the prior art 100 does not take into account the characteristics of the coating liquid at all, and when the discharge of the coating liquid is stopped and then discharged, due to the change in viscosity and cohesive force, the thickness or area of the coating liquid to be discharged is different compared to the same conditions. The phenomenon occurs, and thus, the uniformity of the coating liquid discharged to the base film 102 is deteriorated.

The present invention is to solve this problem, and the problem of the present invention is that the slot die is configured so that the discharging process of the film stock solution is continuously performed without stopping, without tilting rotation and horizontal reciprocating motion, and at the same time discharging to the base film. The resulting film stock solution is formed of multiple rows of row-shaped coatings that are separated in the width direction but extend in the length direction, so that the coating solution discharge process time is significantly increased compared to the total process time, thereby maximizing the production volume. As the position is fixed, the viscosity and cohesiveness of the film stock solution contained in the slot die is maintained as it is, thereby improving the discharge volume, thickness, uniformity and evenness of the discharged film stock solution. It is to provide.

In addition, another problem of the present invention is that the first cutting part is disposed at the rear of the drying unit to cut the oral dissolving film formed as a stripe-shaped coating in the width direction, thereby cutting the stripe-shaped coating that is elongated in the length direction to the correct length and processing it into pieces. It is to provide a line-shaped coating type ODF manufacturing system and method using a slot die that can be.

In addition, another problem of the present invention is to select and descend some of the sliding shields under the control of the operator, and the number, width, and thickness of the slots of the slot die are determined by the lowered sliding shields, thereby distributing diaphragms, etc. To provide a line-shaped coated ODF manufacturing system and method using a slot die that can not only manufacture oral dissolving films of various widths and thicknesses, but also reduce installation costs and maximize process efficiency without replacing parts of For.

The solution means of the present invention for solving the above problem comprises: a base film supply unit for supplying a base film; A receiving channel for receiving the film stock solution introduced from the outside is formed, and at the same time, a slot through which the received film stock solution is discharged is formed in the front, but when the film stock solution is discharged, it is spaced apart in the width direction of the base film, Slot die coating unit including a slot die exposing the film stock solution in a line shape; A drying unit for drying the row-shaped coatings formed by the slot die coating unit; A first cutting unit for forming an oral dissolving film by cutting the stripe-shaped coatings and the base film dried by the drying unit in the width direction; A base film recovery unit for recovering the base film cut by the first cutting unit; A lower packaging paper supply unit for supplying a lower packaging paper to a lower portion of the oral dissolving film from which the base film is recovered by the base film recovery unit; A defect inspection unit for inspecting whether or not the oral dissolving film coated on the lower packaging paper supply unit is defective; An upper packaging paper supply unit for supplying an upper packaging paper to the top of the oral dissolving film that has passed the defect inspection unit; A sealing unit for sealing a predetermined sealing area of the upper and lower packaging paper supplied by the upper packaging paper supply unit; A slitting unit for cutting the sealed regions of the upper and lower packaging paper sealed by the sealing unit in the longitudinal direction; And a second cutting part for cutting the sealed area of the upper and lower packaging papers passing through the slitting part in the width direction, and the slot die is in a fixed position and posture through the slot when the film stock solution is introduced from the outside. It discharges the introduced film stock solution.

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In addition, in the present invention, it is preferable that the drying unit generates at least one of hot air, infrared rays, cold air, dehumidification, and natural wind by generating at least one of hot air, infrared rays, cold air, dehumidification, and natural wind as the line-shaped coating bodies disposed on the top of the base film and transferred to dry the line-shaped coating bodies.

In addition, in the present invention, the slot die is formed in a hexahedral shape, and when the direction toward the base film during installation is referred to as a front, an upper housing formed as an inclined surface toward the front as the front faces downward; It is formed in a hexahedral shape, but is formed as an inclined surface facing the front as the front is upward, and a receiving channel for receiving the film stock solution introduced from the outside from the upper surface to the inside is formed to extend in the width direction on the upper surface, and is combined with the upper housing. Lower housing; It is formed of a plate material having the same area as the lower surface of the upper housing or the upper surface of the lower housing, and discharge grooves formed inwardly at the tip and extending to the upper and lower surfaces are formed at intervals in the width direction. The slot die includes a dispersion plate installed between the lower housings, and the slot die refers to a distribution plate between adjacent discharge grooves of the distribution plate as a shielding wall, and the space between the upper and lower ends of the lower housing is It is preferable that an area sealed by the shielding walls of the dispersion diaphragm and a slot that is an area opened by the discharge grooves of the distribution diaphragm are formed repeatedly.

In addition, in the present invention, the slot die coating unit comprises at least one stock solution tank storing the film stock solution; At least one connection tube connected to the stock solution tank and the receiving channel of the lower housing; It is preferable to further include a pump installed on the connection tube to control the transfer pressure of the film stock solution.

In addition, in the present invention, the slot die is formed in a hexahedral shape, and when the direction toward the base film during installation is referred to as a front, an upper housing formed as an inclined surface toward the front as the front faces downward; It is formed in a hexahedral shape, but is formed as an inclined surface facing the front as the front is upward, and a receiving channel for receiving the film stock solution introduced from the outside from the upper surface to the inside is formed to extend in the width direction on the upper surface, and is combined with the upper housing. Lower housing; It is formed of a plate material having the same area as the lower surface of the upper housing or the upper surface of the lower housing, and a discharge groove is formed inwardly at the tip and extends to the upper and lower surfaces, and is installed between the upper housing and the lower housing during assembly. It is preferable that the slot die has a single slot connected to the receiving channel by the dispersion plate in a space between the upper housing and the front ends of the lower housing.

In addition, in the present invention, a lower surface of the upper housing has an installation groove formed inwardly extending to the front surface, and the slot die further includes a sliding shield part installed in the installation groove of the upper housing, and the sliding shield part Elevating means installed to be spaced apart in the width direction on the ceiling wall of the corresponding installation groove of the upper housing; It is formed of a rod having a length, and further includes sliding shields having an upper portion coupled to each of the elevating means, and the sliding shields are continuously installed in the width direction inside the installation groove of the upper housing, and viewed from the top. As seen, the rear end is disposed at the same position as the rear end of the receiving channel of the lower housing, but the front end is disposed at the same position as the distal end of the upper housing, and when elevating, the lower surface forms the same height as the lower surface of the upper housing. However, when descending, it is preferable to protrude to the same height as the thickness of the dispersion diaphragm.

In addition, in the present invention, when the region forming both sides of the discharge grooves of the dispersion diaphragm is referred to as an outer diaphragm, the space between the upper housing and the tip ends of the lower housing is defined as the outer diaphragm and the It is preferable that the single slot is divided into a plurality of sliding shields by the descending shields.

In addition, in the present invention, it is preferable that the width and thickness of the row-shaped coatings coated on the base film, and the number of rows are determined according to the lifting and lowering states of the sliding shields of the slot die.

According to the present invention having the above problems and solutions, the slot die is configured such that the discharging process of the film stock solution is continuously performed without a tilting rotation and a horizontal reciprocating motion, and at the same time, the film stock solution discharged to the base film is in the width direction. As it is composed of multiple rows of row-shaped coatings that are separated from each other but extends in the longitudinal direction, it is possible to significantly increase the coating liquid discharge process time compared to the total process time, thereby maximizing the production volume, and as the slot die position is fixed, the slot The viscosity and cohesiveness of the film stock solution contained in the die is maintained as it is, so that the discharge amount, thickness, and uniformity of the discharged film stock solution can be improved.

In addition, according to the present invention, the first cutting part is disposed at the rear of the drying unit to cut the oral dissolving film formed of the stripe-shaped coating in the width direction, so that the stripe-shaped coating that has been elongated in the length direction can be cut to the correct length so that it can be processed individually. do.

In addition, according to the present invention, some of the sliding shields are selectively lowered under the control of the operator, and the number, width, and thickness of the slots of the slot die are determined by the lowered sliding shields. Not only can oral dissolving films of various widths and thicknesses be manufactured, but also installation costs can be reduced, and process efficiency can be maximized.

1 is a block diagram showing an apparatus for manufacturing an oral dissolving film disclosed in Korean Patent Registration No. 10-1980283 (name of the invention: a slot die coater and an apparatus for producing an oral dissolving film having the same).
2 is a block diagram showing a system and method for manufacturing a line-shaped coated ODF using a slot die according to an embodiment of the present invention.
3 is a schematic side view illustrating FIG. 2.
FIG. 4 is a schematic plan view of FIG. 3.
5 is an enlarged configuration diagram illustrating the slot die coating unit of FIG. 2.
6 is an exploded perspective view illustrating the slot die of FIG. 2.
7 is a front view of the slot die of FIG. 6 viewed from the front.
FIG. 8 is a plan view illustrating FIG. 6.
9 is a process flow chart showing an operation process of the line-shaped coated ODF manufacturing system of FIG. 2.
10 is an exploded perspective view showing a second slot die, which is a second embodiment of the slot die of FIG. 6.
11 is a perspective view of the second upper housing of FIG. 10 as viewed from the bottom.
12 is a side cross-sectional view taken along line A-A' of FIG. 11.
13 is an exemplary view showing a state in which some of the sliding shields of the second upper housing of FIG. 11 move downward.

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

FIG. 2 is a configuration diagram showing a system and method for manufacturing a line-shaped coating type ODF according to an embodiment of the present invention, FIG. 3 is a side conceptual view showing FIG. 2, and FIG. 4 is a plan view of FIG. 3.

In one embodiment of the present invention, the line-shaped coating ODF manufacturing system and method (1) 1) maximizes production by increasing the process time of discharging the undiluted solution compared to the total process time by allowing the undiluted solution discharging process of the slot die to be carried out continuously without stopping. At the same time, 2) as the discharging pressure and location are constant, the cohesive force of the received undiluted solution is the same, so that the evenness of the discharging undiluted solution is improved to reduce the defect rate.

In addition, the line-shaped coating ODF manufacturing system and method (1) using the slot die of the present invention, as shown in Figs. 2 to 4, the base film supply unit 2, the slot die coating unit 3, the drying unit ( 4), the first cutting part 5, the base film recovery part 6, the lower packaging paper supply part 7, the defect inspection part 8, the upper packing paper supply part 9, the sealing part 10, the slitting part 11 , Made of a second cutting portion 12.

At this time, in the present invention, for convenience of explanation, the base film supply unit 2, the base film recovery unit 6 and the lower packaging paper are supplied so that the base film 210 is supplied to the slot die coating unit 3 by the base film supply unit 2 Although it has been described as an example as including the supply unit 7, the line-shaped coated ODF manufacturing system and method (1) using the slot die of the present invention separates the base film supply unit 2 and the base film recovery unit 6 Although not included, it is natural that the lower packaging paper supply unit 7 is disposed at the position of the base film supply unit 2 of FIG. 2 to directly supply the lower packaging paper to the slot die coating unit 3.

The base film supply unit 2 continuously supplies the base film 210 to the slot die coating unit 3 by releasing the winding of the base film 210 in a wound state. At this time, the base film 210 refers to a film in which the undiluted solution of the oral dissolving film (ODF) of the present invention is discharged and dried.

In addition, the base film supplied by the base film supply unit 2 is transferred through a roll-to-roll process, and since this roll-to-roll process is a technique commonly used in a film manufacturing system, a detailed description will be omitted. do.

At this time, various liquid materials such as nutrients, health supplements, pharmaceuticals, and erectile dysfunction can be applied to the film stock solution, and in detail, gelatin, xanthan gum, guar gum, etc. can be used as a gelling agent, and aspirin is used for medicine. , Ibuprofen, dexibuprofen, ketoprofen, loxoprofen, etc. can be used, and for functional purposes, ginseng, red ginseng, chlorophyll-containing plants, chlorella, spirulina, green tea extract, aloe whole leaf, propolis extract, banana leaf extract , Ginkgo biloba extract, milk thistle extract, evening primrose seed extract, squalene, plum extract, lutein, glucosamine, etc. can be used, strawberry flavor, apple flavor, mango flavor, grape flavor, etc. can be used for flavoring purposes, and gardenia for natural coloring Blue pigment, gardenia yellow pigment, caramel pigment, and the like may be used.

5 is an enlarged configuration diagram illustrating the slot die coating unit of FIG. 2.

As shown in FIG. 5, the slot die coating unit 3 includes a stock solution tank 31 in which film stock solutions are respectively accommodated in an internal accommodation space, and a film stock solution introduced from the stock solution tank 33 is accommodated therein. A channel is formed, a slot die 30 in which a slot through which the film stock solution accommodated in the receiving channel is discharged is formed on one side, and is connected one-to-one to the receiving channel of the stock solution tank 31 and the slot die 30 to be connected to the corresponding stock solution tank ( A connection tube 33 for moving the film stock solution accommodated in 31) to a corresponding receiving channel of the slot die 30, and a connection tube 33 installed in the connection tube 33 to transfer the film stock solution in the corresponding stock solution tank 31 to the slot die 30 It consists of pumps 35 flowing into the receiving channel 3310 of the.

6 is an exploded perspective view illustrating the slot die of FIG. 2, FIG. 7 is a front view of the slot die of FIG. 6 viewed from the front, and FIG. 8 is a plan view illustrating FIG. 6.

The slot die 30 includes an upper housing 301, a lower housing 303, and a dispersion plate 305, as shown in FIGS. 6 to 8.

When the upper housing 301 is installed, when the direction toward the base film 210 is referred to as front, the upper housing 301 is formed in a rectangular parallelepiped shape having an inclined surface facing the front as the front surface 313 is downward. At this time, the upper housing 301 is formed in a rectangle having a width greater than its length when viewed from the top.

In addition, bolt holes 3121 are formed at intervals on the upper surface 312 and the lower surface 311 of the upper housing 301. At this time, the bolts (B) penetrate through the bolt holes 3121, and the bolts (B) that have passed through the lower surface 311 of the upper housing 301 are inserted into the bolt grooves 3311 of the lower housing 303 and are screwed together. The upper housing 301 and the lower housing 303 are combined.

The lower housing 303 is formed in a rectangular parallelepiped shape having an inclined surface facing the rear as the front surface 333 is downward. That is, the upper surface 331 of the lower housing 303 is formed in the same area and size as the lower surface 311 of the upper housing 301.

In addition, on the upper surface 331 of the lower housing 303, a receiving channel 3310 of a rectangular shape is formed to extend in the width direction from the upper surface 331 to the inside. At this time, in the present invention, for convenience of explanation, it has been described for example that a single receiving channel 3310 of the lower housing 303 is formed, but the lower housing 303 has two or more receiving channels formed at intervals in the width direction. (3310) may be formed.

In addition, an inlet pipe 3321 is installed between the inner wall and the rear surface 332 of the receiving channel 3310 of the lower housing 303, and the inlet pipe 3321 exposed to the rear surface 332 of the lower housing 303 is By being combined with the connection tube 33, the film stock solution received in each stock solution tank 31 is controlled by the pump 35 through the connection tube 33 -> inlet pipe 3321 through the receiving channel of the lower housing 303 ( 3310).

In addition, a plurality of bolt grooves 3311 are formed on the upper surface 331 of the lower housing 303 at intervals. At this time, by forming a thread on the inner wall of the bolt grooves 3311, the upper housing 301 and the lower housing 303 are fastened with the threads of the outer circumferential surface of the bolts B passing through the bolt holes 3121 of the upper housing 301. Will be combined.

At this time, the lower housing 303 and the upper housing 301 are coupled in a state in which the dispersion diaphragm 305 is inserted between the upper surface 331 and the lower surface 311.

The dispersion diaphragm 305 is formed of a plate material having the same area as the upper surface 331 of the lower housing 303 or the lower surface 311 of the upper housing 301, and the discharge grooves 352 are spaced in the width direction from the front end. Is formed by At this time, the dispersion partition plate 305 between the discharge grooves 352 will be referred to as a shielding wall 351.

When assembling, the dispersion diaphragm 305 is installed between the lower surface 331 of the upper housing 301 and the upper surface 331 of the lower housing 303, and the shielding walls 351 have corresponding receiving channels 3310. The receiving channel 3310 of the lower housing 303 is connected to the discharge grooves 352 disposed directly above by being installed so as to traverse in the longitudinal direction.

That is, when assembling the upper housing 301 and the lower housing 303, the shielding wall of the dispersion partition plate 305 between the front ends of the inclined surfaces 313 and 333 of the upper housing 301 and the lower housing 303 ( The area sealed by the 351 and the slot 350 which is the area opened by the discharge grooves 352 of the dispersion diaphragm 305 are repeatedly formed.

Accordingly, the film stock solution accommodated in the receiving channel 3310 of the lower housing 303 is discharged forward through the discharge groove 352 -> slot 350 of the dispersion diaphragm 305, and at this time, the discharged film stock solution is a dispersion diaphragm They are spaced apart from each other in the width direction of the base film 210 by the slots 350 of 305, and are coated in multiple rows continuously extending in the length direction. Hereinafter, a film stock solution coated in multiple rows on the base film 210 will be referred to as a line-shaped coating body 220.

That is, the slot die 30 discharges the film stock solution introduced from the stock solution tanks 31 to the base film 210 to form a row of row-shaped coating bodies 220 on the upper surface of the base film 210.

In addition, the width (L1) between the shielding walls 351 of the dispersion diaphragm 305 determines the distance (L1) between the stripe-shaped coating body 220, which is a film stock solution discharged to the base film 210, and The width L2 of the discharge groove 352 of 350 determines the width L2 of the line-shaped coating body 220.

That is, the line-shaped coating body 220 discharged to the base film 210 by being connected to the discharge grooves 352 of the dispersion diaphragm 305 directly above the receiving channel 3310 of the lower housing 303 of the present invention is It is made of 12 (12 = 3 X 4) corresponding to the number of discharge grooves 352.

The slot die 30 configured as described above enables stripe-like coating on the base film 210 by continuously discharging the film stock solution without separate tilting-rotation and horizontal linear movement. Accordingly, the conventional slot die Is discharged once, compared to the method of performing the operation of forward movement -> discharge -> discharge stop -> tilting-rotation -> backward movement -> tilting-reverse rotation, and the process time for discharging the film stock solution is compared to the total process time. It has the advantage of maximizing production by dramatically increasing it.

The base film 210 coated in a row by the slot die 30 is transferred to the drying unit 4 by a roll-to-roll method.

Referring again to the drying unit 4 with reference to FIGS. 2 to 4, the drying unit 4 is installed in the rear side adjacent to the slot die coating unit 3 in the conveying direction of the base film 210.

In addition, the drying unit 4 is a line-shaped coating body 220 that is installed and transported long in the longitudinal direction of the base film 210 on which the line-shaped coating bodies 220 are formed by the slot die coating unit 3, and hot air, It is a device that generates at least one of infrared, cold air, dehumidification, and natural wind to dry the undiluted solution to form a gel of the undiluted solution coated in a strip shape, depending on the characteristics of the undiluted solution: 1) Hot air, cold air, dehumidification, infrared and natural wind. At the same time as at least one drying method is determined, 2) the drying temperature and time are determined.

At this time, as the film stock solution of the stripe-shaped coating bodies 220 of the base film 210 is gelled by the drying unit 4, it is processed into an oral dissolving film (ODF) 230.

In addition, the oral dissolving film (ODF) 230 that has passed through the drying unit 4 is transferred to the first cutting unit 5 side.

The first cutting part 5 is installed at the rear of the drying part 4 and the width of the base film 210 passing through the drying part 4 and the oral dissolving film 230 coated in a row shape on the base film 210 It is a device that cuts the oral dissolving film 230 to a preset length by cutting the whole.

At this time, although not shown in the drawing, the first cutting part 5 includes a cutting blade (not shown) that cuts across the entire width direction of the base film 210, and a power supply means (not shown) that drives the cutting blade. And, it may be composed of a control unit (not shown) for managing and controlling the operation of the power supply means.

That is, as the oral dissolving film 230 is coated in a row by the slot die 30, the size of the width is determined according to the width of the slot 350 of the slot die 30, but by the first cutting part 5 While being cut to a certain length, each individual plate-shaped jelly-type ODF can be manufactured.

In addition, the base film 210 cut in the longitudinal direction by the first cutting part 5 is transferred to the base film collecting part 6 side.

The base film recovery part 6 collects the base film 210 cut by the first cutting part 5 by winding.

The lower packaging paper supply part 7 is an oral dissolving film in which the base film 210 has been removed by the base film collecting part 6 while being disposed at the rear of the first cutting part 5 and being cut by the first cutting part 5 The lower wrapping paper 240 is continuously supplied to the lower portion of the 230.

In addition, the lower packaging paper 240 supplied by the lower packaging paper supply unit 7 is transferred to the defect inspection unit 8 by a roll-to-roll method.

The defect inspection unit 8 is installed at the rear adjacent to the lower packaging paper supply unit 7 and whether the coating has been performed normally or abnormally through vision inspection of the oral dissolving film 230 seated on the lower packaging paper supply unit 7 It is inspected, and in detail, whether or not the film of the oral dissolving film 230 is missing and defective coating is inspected.

In addition, the defect inspection unit 8 separates and separates the oral dissolving film determined as a defective product.

In addition, the lower packaging paper 240 that has passed through the defect inspection unit 8 is transferred to the upper packaging paper supply unit 9 side by a roll-to-roll method.

The upper packaging paper supply unit 9 is a device for supplying the upper packaging paper 250 for packaging the oral dissolving film coated on the lower packaging paper 240 that has passed through the defect inspection unit 8, and includes at least one winding bobbin Thus, the upper packaging paper 250 is continuously supplied to the upper portion of the oral dissolving film 230 coated on the lower packaging paper 240.

In addition, the upper packaging paper supplied from the upper packaging paper supply unit 9 is transferred into the sealing area of the sealing unit 10 by a roll-to-roll method.

The sealing unit 10 is a device that seals the upper packaging paper 250, the oral dissolving film 230, and the lower packaging paper 240 transferred from the upper packaging paper supply unit 9 in a pouch form.

In addition, the sealing unit 10 reciprocates in the height direction from the top and bottom of the wrapping papers 250 and 240 to press the wrapping papers 250 and 240 along the outer side of the oral dissolving film 230 to pressurize each oral cavity. Allow the melted film to be individually packaged independently. At this time, various methods such as a method using a known tape label, an adhesive method, a sealing method, and a heat sealing method may be applied as the sealing method of the sealing unit 10.

That is, the oral dissolving film 230 cut in the first cutting part 5 and transferred in the form of a single product is individually sealed in a pouch form together with the upper packaging paper 250 and the lower packaging paper 240 by the sealing portion 10. .

In addition, the pouch sealed by the sealing unit 10 is transferred to the slitting unit 11.

The slitting unit 11 is a device that cuts (cuts) the sealed area of the pouch that has passed through the sealing unit 10 in the longitudinal direction.

The second cutting part 12 is a device that cuts (cuts) the sealed area of the pouch cut in the length direction by the slitting part 11 in the width direction.

9 is a process flow chart showing an operation process of the line-shaped coated ODF manufacturing system of FIG. 2.

As shown in Fig. 9, the line-shaped coating-type ODF manufacturing method (S1), which is the operating process of the line-shaped coating-type ODF production system 1 of the present invention, includes a base film supply step (S10) and a film stock solution inflow step ( S20), line coating step (S30), drying step (S40), first cutting step (S50), lower wrapping paper supply step (S60), defect inspection step (S70), upper wrapping paper supply step (S80), sealing step ( It consists of S90), a slitting step (S100), and a second cutting step (S110).

The base film supply step (S10) is a process step of supplying the base film 210 by releasing the winding of the base film 210 in a wound state. At this time, the base film 210 is transferred in a roll-to-roll method.

In the step of introducing the stock film (S20), the stock solution of the film accommodated in the stock solution tanks 31 is driven into the receiving channel 3310 of the slot die 30 through the connection tube 33 by driving the pump 35 of FIG. 5 described above. It is a process step that is to be injected.

In the line coating step (S30), the undiluted film is discharged to the upper surface of the base film 210 supplied by the base film supply step (S10) using the slot die 30 of FIGS. 6 to 8 described above, in the width direction. This is a process step of forming the stripe-shaped coatings 220 that are spaced apart, but are continuously formed in the longitudinal direction.

In the drying step (S40), the drying unit 4 supplies at least one of hot air, infrared rays, cold air, dehumidification and natural air to the row-shaped coating bodies 220 formed by the row coating step (S30) to dry the undiluted solution. This is a process step of processing the oral dissolving film 230 by gelling the stock solution of the strip-shaped coating bodies 222.

In the first cutting step (S50), the first cutting part 5 cuts the entire width of the oral dissolving film 230 formed by the drying step (S40) to separate the oral dissolving film 230 of a predetermined length. This is a process step of processing into a plate-shaped jelly-type ODF.

In the lower packaging paper supply step (S60), after recovering the base film 210 cut together with the oral dissolving film 230 by the first cutting step (S50), the oral dissolving film 230 from which the base film 210 has been removed. This is the process step of supplying the lower packaging paper to the lower part of ).

The defect inspection step (S70) is a process step in which the vision inspector inspects whether the coating of the oral dissolving film 230 seated on the lower packaging paper is performed normally or abnormally by the lower packaging paper supply step (S60), and in detail The furnace inspects whether the oral dissolving film 230 is missing, and whether there is a coating defect.

In addition, the defect inspection step (S70) separates and separates the oral dissolving film determined as a defective product.

The upper wrapping paper supply step (S80) is a process step of supplying the upper wrapping paper to the top of the oral dissolving film 230 that has passed the defect inspection step (S70).

The sealing step (S90) is a process step of sealing the upper wrapping paper 250, the oral dissolving film 230, and the lower wrapping paper 240 supplied by the upper wrapping paper supplying step (S80) in a pouch form.

The slitting step (S100) is a process step in which the slitting device cuts the area sealed by the sealing step (S90) in the longitudinal direction.

The second cutting step S110 is a process step in which the cutting machine cuts the sealed area of the pouch cut in the length direction by the slitting step S100 in the width direction.

10 is an exploded perspective view showing a second slot die, which is a second embodiment of the slot die of FIG. 6.

10 is a second embodiment of the slot die of the present invention, and the second slot die 930 is a second upper housing 931, a second lower housing 933, and a second, as shown in FIG. It consists of a dispersion diaphragm 935.

The second lower housing 933 has the same structure and shape as the lower housing 303 of FIG. 6 described above. In detail, an inclined surface is formed on the front surface 9312 and a receiving channel 93310 is formed in the upper surface 9331 on the upper surface 9331 to extend in the width direction.

A second dispersion plate 935 is installed on the upper surface 9331 of the second lower housing 933.

The second dispersion diaphragm 935 is formed of a plate having the same area as the upper surface 9331 of the second lower housing 933 or the lower surface 9311 of the second upper housing 931, and is discharged in a square shape from the front end to the inside. A groove 9352 is formed.

At this time, the discharge groove 9352 is formed to have the same width as the width of the receiving channel 93310 of the second lower housing 933, and the distance from the rear end of the receiving channel 93310 to the front end of the second lower housing 933 It is formed with the same length as.

In addition, a region forming both sides of the discharge groove 9352 of the second dispersion diaphragm 935 will be referred to as an outer diaphragm body 9351.

When assembling, the second dispersion diaphragm 935 is installed between the lower surface 9331 of the second upper housing 931 and the upper surface 9331 of the second lower housing 9303. At this time, as the space for forming the discharge groove 9352 of the second dispersion plate 935, the sliding shields 93112 descending among the sliding shields 93112 of FIGS. 11 to 13 to be described later are installed so as to traverse in the longitudinal direction. The discharge groove 9532 of the second dispersion diaphragm 935 is divided into a plurality of spaces by the sliding shields 93112, and each space is a receiving channel 93310 of the second lower housing 903 disposed directly underneath. Will be connected to.

That is, in the second upper housing 9301 and the second lower housing 9303, a gap (slot) 350 is formed between the tip portions by a second dispersion plate 935 installed therebetween, and the slot 350 ) Is connected to the discharge groove 9532 of the second dispersion diaphragm 935 and the receiving channel 93310 of the second lower housing 933 so that the film stock solution accommodated in the receiving channel 93310 is discharged through the slot 350. Can be.

In other words, when the entire sliding shields 93112 of the second upper housing 9301 of FIGS. 11 to 13 to be described later are in an elevated state in front of the second upper housing 9301 and the second lower housing 9303, A long single slot 350 is formed, and when some of the sliding shields 93112 are in a lowered state, a plurality of slots 350 are formed in the front.

FIG. 11 is a perspective view of the second upper housing of FIG. 10 viewed from the bottom, FIG. 12 is a side cross-sectional view taken along line A-A' of FIG. 11, and FIG. 13 is a sliding shield of the second upper housing of FIG. It is an example diagram showing a state in which some descended.

The second upper housing 931 is formed in a rectangular parallelepiped shape with a front surface 9312 having an inclined surface.

In addition, a square-shaped installation groove 93110 is formed in the lower surface 9311 of the second upper housing 931 from the lower surface 9311 to the inside.

At this time, the installation groove 93110 is formed to extend to the front surface 9312 of the second upper housing 931.

In addition, the installation groove 93110 of the second upper housing 931 is formed to have the same area as the discharge groove 9352 of the second dispersion plate 935.

That is, when the second upper housing 931 is assembled, the outer diaphragm body 9331 of the second dispersion diaphragm 935 is brought into contact with the lower surfaces 9311 disposed on both sides of the installation groove 93110.

In addition, a sliding shield part 93111 is installed in the installation groove 93110 of the second upper housing 931.

The sliding shield (93111) is formed in a rod shape and the elevating means (93115) installed in the ceiling wall (93119) of the installation groove (93110) of the second upper housing (931), the upper part is elevating means (93115) ) Consisting of sliding shields (93112) coupled to each.

At this time, the sliding shields 93112 are continuously installed in the width direction of the installation groove 93110.

In addition, the sliding shield (93112) is formed in the shape of a rod having the same length as the installation groove (93110), the upper part is coupled to the elevating means (93115) to be able to elevate. At this time, the sliding shields (93112) are disposed at the same height as the lower surface (9311) of the second upper housing (931) when ascending and lowered, and when descending, the sliding shield (93112) moves downward to the discharge groove (9352) of the second dispersion diaphragm (935). ) To seal the slot of the second slot die 930.

In addition, a plurality of sliding shields 93112 are installed in the width direction of the installation groove 93110 of the second upper housing 931. At this time, the sliding shields 93112 are installed to be in close contact so that the undiluted film does not flow into the interior, and although not shown in the drawing, sealing or packing is performed between the sliding shields 93112 to thoroughly prevent the inflow of the undiluted film into the interior. To be blocked.

These sliding shields 93112 determine the size of the slot of the second slot die 930 when descending, so when the second slot die 930 discharges the film stock solution, the stripe-shaped coating body 220 of various widths and thicknesses Will be able to form.

In addition, the sliding shields 93112 protrude to the same height as the thickness of the second dispersion diaphragm 935 when descending.

That is, the slot die 30 of FIG. 6 can manufacture only the oral dissolving film of a fixed width, and in order to change the width of the oral dissolving film, the equipment suitable for the width must be redesigned, so process efficiency is not only lowered, but also installed. And manufacturing cost increases, and the process time is delayed. However, the second slot die 931 of the present invention selects and descends some of the sliding shields 93112 according to the operator's selection. It is possible to manufacture oral dissolving films of various widths and thicknesses without replacing parts.

For example, as shown in Figure 13, the second slot die 930 is a part of the sliding shield (93112) (C') is raised and lowered by the operator, some of the sliding shield (93112) (C) May be lowered, and thus the second slot die 930 may form a total of 12 slots so that a total of 12 stripe-shaped coatings 220 may be formed on the base film 210.

As described above, the line-shaped coating ODF manufacturing system 1 using a slot die according to an embodiment of the present invention is configured so that the slot die is continuously discharged without stopping the film stock solution without tilting rotation and horizontal reciprocating motion. At the same time, the film stock solution discharged to the base film is configured to be formed of multiple rows of row-shaped coatings that are separated in the width direction but extended in the length direction, so that the coating solution discharge process time is significantly increased compared to the total process time, thereby maximizing the production volume. In addition, as the position of the slot die is fixed, the viscosity and cohesiveness of the film stock solution accommodated in the slot die is maintained as it is, thereby improving the discharge amount, thickness, uniformity, and uniformity of the discharged film stock solution.

In addition, the line-shaped coating ODF manufacturing system (1) using the slot die of the present invention is a line-shaped elongated lengthwise by cutting the oral dissolving film formed of the line-shaped coating body in the width direction by disposing the first cutting portion at the rear of the drying unit. The coating body can be cut to the correct length and processed individually.

In addition, the line-shaped coated ODF manufacturing system 1 using the slot die of the present invention selects and descends some of the sliding shields according to the operator's control, and the number and width of the slots of the slot die are lowered by the lowered sliding shields. And by being configured to determine the thickness, it is possible not only to manufacture an oral dissolving film of various widths and thicknesses without replacing parts such as a dispersion diaphragm, but also to reduce installation cost and maximize process efficiency.

1: Line-shaped coating type ODF manufacturing system 2: Base film supply unit
3: Slot die coating part 4: Drying part 5: First cutting part
6: Base film recovery unit 7: Lower packaging paper supply unit
8: Defect inspection unit 9: Upper wrapping paper supply unit
10: sealing portion 11: slitting portion 12: second cutting portion
35: pump 30: slot die 31: stock solution tank
33: connection tube 210: base film 220: strip-shaped coating body
230: oral dissolving film 240: lower packaging paper 250: upper packaging paper
301: upper housing 303: lower housing 305: dispersion plate
350: slot 351: shielding wall 352: discharge groove
3310: receiving channel 3321: inlet pipe 930: second slot die
931: second upper housing 933: second lower housing 935: second dispersion diaphragm
9352: discharge groove 93110: installation groove 93111: sliding shield
93112: sliding shield 93115: elevating means

Claims (9)

A base film supply unit for supplying a base film;
A receiving channel for receiving the film stock solution introduced from the outside is formed, and a slot through which the received film stock solution is discharged is formed in the front, but when the film stock solution is discharged, it is spaced apart in the width direction of the base film, Slot die coating unit including a slot die exposing the film stock solution in a line shape;
A drying unit for drying the row-shaped coatings formed by the slot die coating unit;
A first cutting part for forming an oral dissolving film by cutting the stripe-shaped coatings and the base film dried by the drying part in the width direction;
A base film recovery unit for recovering the base film cut by the first cutting unit;
A lower packaging paper supply unit for supplying a lower packaging paper to a lower portion of the oral dissolving film from which the base film is recovered by the base film recovery unit;
A defect inspection unit for inspecting whether or not the oral dissolving film coated on the lower packaging paper supply unit is defective;
An upper packaging paper supply unit for supplying an upper packaging paper to the top of the oral dissolving film that has passed the defect inspection unit;
A sealing unit for sealing a predetermined sealing area of the upper and lower packaging paper supplied by the upper packaging paper supply unit;
A slitting unit for cutting the sealed regions of the upper and lower wrappers sealed by the sealing unit in the longitudinal direction;
And a second cutting part for cutting the sealed area of the upper and lower packing papers passing through the slitting part in the width direction,
The slot die is a line-shaped coated ODF manufacturing system, characterized in that when the raw film liquid is introduced from the outside, the film raw liquid introduced through the slot in a fixed position and posture is discharged. delete The method of claim 1, wherein the drying unit
A line-shaped coating type ODF manufacturing system, characterized in that the line-shaped coatings are dried by generating at least one of hot air, infrared, cold air, dehumidification, and natural wind with the line-shaped coatings disposed on the top of the base film and transferred. . In claim 1 or 3, the slot die is
An upper housing formed in a hexahedral shape, wherein when the direction toward the base film during installation is referred to as a front, an upper housing formed as an inclined surface toward the front as the front faces downward;
It is formed in a hexahedral shape, but is formed as an inclined surface facing the front as the front is upward, and a receiving channel for receiving the film stock solution introduced from the outside from the upper surface to the inside is formed to extend in the width direction on the upper surface, and is combined with the upper housing. Lower housing;
It is formed of a plate material having the same area as the lower surface of the upper housing or the upper surface of the lower housing, and discharge grooves formed inwardly at the tip end and extending to the upper and lower surfaces are formed at intervals in the width direction. Including a dispersion plate installed between the lower housing,
The slot die is
When the dispersion partition plate between adjacent discharge grooves of the dispersion partition plate is referred to as a shielding wall, the space between the upper housing and the tip portions of the lower housing is a region sealed by the shielding walls of the dispersion partition plate and the dispersion partition plate. A line-shaped coated ODF manufacturing system, characterized in that a slot, which is an area opened by the discharge grooves, is repeatedly formed. The method of claim 4, wherein the slot die coating portion
At least one stock solution tank in which the film stock solution is stored;
At least one connection tube connected to the stock solution tank and the receiving channel of the lower housing;
A line-shaped coated ODF manufacturing system, characterized in that it further comprises a pump installed on the connection tube to control a transfer pressure of the film stock solution. In claim 1 or 3, the slot die is
An upper housing formed in a hexahedral shape, wherein when the direction toward the base film during installation is referred to as a front, an upper housing formed as an inclined surface toward the front as the front faces downward;
It is formed in a hexahedral shape, but is formed as an inclined surface facing the front as the front is upward, and a receiving channel for receiving the film stock solution introduced from the outside from the upper surface to the inside is formed to extend in the width direction on the upper surface, and is combined with the upper housing. Lower housing;
It is formed of a plate material having the same area as the lower surface of the upper housing or the upper surface of the lower housing, and a discharge groove is formed inwardly at the tip and extends to the upper and lower surfaces, and is installed between the upper housing and the lower housing during assembly. Including a distributed diaphragm,
A line-shaped coated ODF manufacturing system, characterized in that a single slot connected to the receiving channel is formed in the space between the upper housing and the tip ends of the lower housing of the slot die. The method of claim 6, wherein the lower surface of the upper housing is formed with an installation groove formed inward from the lower surface and extending to the front surface,
The slot die further includes a sliding shield installed in the installation groove of the upper housing,
The sliding shield part
Elevating means installed to be spaced apart in the width direction on the ceiling wall of the corresponding installation groove of the upper housing;
Doedoe formed of a rod having a length, the upper further comprises a sliding shield coupled to each of the elevating means,
The sliding shields are
It is installed continuously in the width direction inside the installation groove of the upper housing, and when viewed from above, the rear end is disposed at the same position as the rear end of the receiving channel of the lower housing, and the front end is the same as the front end of the upper housing. A line-shaped coating type ODF manufacturing system, characterized in that it is disposed in a position, and when elevating, the lower surface forms the same height as the lower surface of the upper housing, but protrudes to the same height as the thickness of the dispersion diaphragm when lowering. The method of claim 7, wherein the slot die
When the area forming both sides of the discharge grooves of the dispersion diaphragm is referred to as an outer diaphragm, the space between the upper and lower ends of the lower housing is lowered among the outer diaphragm and the sliding shield. Line-shaped coating type ODF manufacturing system, characterized in that the single slot is divided into a plurality of. The strip-shaped coating type according to claim 8, wherein the width and thickness of the strip-shaped coatings coated on the base film and the number of rows are determined according to the lifting and lowering states of the sliding shields of the slot die. ODF manufacturing system.

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