Zipper bag producing apparatus and method for producing embrossed zipper bag using the same

Abstract

The present invention provides a zipper bag producing apparatus comprising a melted plastic import section being an entrance to the zipper bag producing apparatus for a melted plastic; a film blowing section located next to the melted plastic import section comprising the blowing head with a zipper forming part inside, where the melted plastic being blown through the blowing head to form a cylindrical film sheet with zipper structures molded on the film; a film rolling section located next to the film blowing section and having a plurality of rollers serving to roll the cylindrical film sheet into a flat sheet while a plastic sheet being conveyed through the rollers, and a section for cutting and welding edges of a zipper bag located next to the film rolling section serving to weld edges of the zipper bag to leave an opening on only one side, and then cut the zipper bag apart, wherein the zipper bag producing apparatus is characterized in that the film rolling section has an embossing apparatus comprising an embossing roller connected to a power transmission motor and assembled into a frame of the embossing apparatus rotatably around the axis, wherein the embossing roller comprises a rod heater attached to a shaft of the embossing roller inside the embossing roller and a plurality of ridges molded on a surface of the embossing roller; a silicone embossing roller, assembled into the frame of the embossing apparatus rotatably around the axis, being arranged close to the embossing roller with a separate shaft, wherein the silicone embossing roller has a smooth surface; a film stringing roller being a roller receiving the film sheet from the film blowing section and positioning it between the embossing roller and the silicone embossing roller; and a film cooling roller being a roller receiving the film sheet that has been embossed by the embossing roller and the silicone embossing roller serving to stabilize patterns before conveying the film sheet to the section for cutting and welding edges of the zipper bag.

Description

ZIPPER BAG PRODUCING APPARATUS AND METHOD FOR PRODUCING EMBROSSED ZIPPER BAG USING THE SAMEField of the Invention

[0001] The present invention relates to the field of engineering, and specifically relates to a zipper bag producing apparatus and method for producing embossed zipper bag using the same.Background of the invention

[0002] Nowadays, there is a zipper bag producing apparatus having main components including a melted plastic import section, a film blowing section, a film rolling section, and a section for cutting and welding edges of a zipper bag. The melted plastic is fed into the zipper bag producing apparatus through the melted plastic import section, and then blown through a blowing head of the film blowing section to form a cylindrical film sheet with zipper structures molded on the film sheet. The cylindrical film sheet is then sent to the film rolling section and rolled into a flat sheet by a plurality of rollers. After that, it is then taken through a process of cutting the zipper bag apart and welding the side edges of a zipper bag, leaving only an opening on one side, at the section for cutting and welding edges of a zipper bag. Normally, the zipper bag obtained from the above zipper bag producing apparatus is a zipper bag having smooth surface. If there is a need to create patterns on the surface of the zipper bag, for beauty and uniqueness, to be differentiated from any other manufacturers’ zipper bags on the market, it is necessary to process the zipper bag through an additional pattern-making process. The easiest and most economical process is to create colourful patterns on the surface of the zipper bag by colour printing.

[0003] However, printing colours for the above zipper bag, although the production is easy, it still requires additional apparatus and steps to print colours according to the required patterns, which is in addition to a normal production process. For example, the overall zipper bag producing apparatus needs to be customized to include a colour pattern printing apparatus in the process, or a separate apparatus designed specifically for colour pattern printing needs to be added, etc. These things have high costs. Therefore, production costs will be increase. In addition, when considering recycling, recycling the zipper bag with printed patterns is more difficult and more expensive than recycling the zipper bag without printed patterns.Summary of the invention

[0004] One of the objectives of the present invention is to solve the above problems by providing a zipper bag producing apparatus and a method for producing the same, which can provide a beautiful and unique zipper bag which is also different from any other manufacturers’ zipper bags on the market. At the same time, it can be produced easily, without the need for additional apparatus or production steps, in order not to increase production costs, including not to make the zipper bag recycling process complicated and expensive. This would promote recycling, which helps reduce the amount of waste in the world.

[0005] The present invention provides a zipper bag producing apparatus comprising a melted plastic import section being an entrance to the zipper bag producing apparatus for melted plastic; a film blowing section located next to the melted plastic import section comprising a blowing head with a zipper forming part inside, where the melted plastic being blown through the blowing head to form a cylindrical film sheet with zipper structures molded on the film; a film rolling section located next to the film blowing section and having a plurality of rollers serving to roll the cylindrical film sheet into a flat sheet while the film sheet being conveyed through the rollers, and a section for cutting and welding edges of a zipper bag located next to the film rolling section serving to weld edges of the zipper bag to leave an opening on only one side, and then cut the zipper bag apart, wherein the zipper bag producing apparatus is characterized in that the film rolling section has an embossing apparatus comprising an embossing roller connected to a power transmission motor and assembled into a frame of the embossing apparatus rotatably around the axis, wherein the embossing roller comprises a rod heater attached to a shaft of the embossing roller inside the embossing roller and a plurality of ridges molded on a surface of the embossing roller; a silicone embossing roller, assembled into the frame of the embossing apparatus rotatably around the axis, being arranged close to the embossing roller with a separate shaft, wherein the silicone embossing roller has a smooth surface; a film stringing roller being a roller receiving the film sheet from the film blowing section and positioning it between the embossing roller and the silicone embossing roller; a film cooling roller being a roller receiving the film sheet that has been embossed by the embossing roller and the silicone embossing roller serving to stabilize the patterns before conveying the film sheet to the section for cutting and welding edges of the zipper bag.

[0006] Since the zipper bag producing apparatus has the above embossing apparatus that can create patterns on the zipper bag by adjusting the film rolling section in the normal zipper bag producing apparatus and the normal zipper bag production process, it can create embossing patterns on the zipper bag along with the normal film rolling process. Therefore, the present invention provides a beautiful and unique zipper bag, different from other manufacturers’ zipper bags on the market. At the same time, the embossed zipper bag can be produced easily, without the need for additional apparatus or production steps, in order not to increase production costs, including not to make the zipper bag recycling process complicated and expensive. The recycling of the zipper bag can be promoted, which helps reduce the amount of waste in the world.

[0007] In one embodiment of the present invention, an embossing apparatus further comprises a cooling roller located after an embossing roller and a silicone embossing roller. When a film sheet that has been heated by the embossing roller is immediately conveyed to the cooling roller, the patterns on the film sheet will undergo sudden temperature changes (Thermal Shock), causing the patterns to stabilize and settle quickly, resulting in the sharp and beautiful patterns.

[0008] In one embodiment of the present invention, an embossing apparatus further comprises a silicone embossing roller adjustment kit connected to the silicone embossing roller, in a manner that the silicone embossing roller can be adjusted to move closer or further away from an embossing roller. Adjusting the silicone embossing roller to move closer or further away from the embossing roller is to reduce or increase the pressure of the silicone embossing roller acting in the direction of the embossing roller to ensure consistent pressure throughout the rollers. Therefore, it is possible to create a uniform level of embossment on a surface of the zipper bag.

[0009] In one embodiment of the present invention, an embossing apparatus further comprises a temperature control unit controlling the power supply to a rod heater of the embossing roller. By controlling the power supply to the rod heater, the temperature of the heater for the embossing roller can be controlled to a preset value by automatically increasing or decreasing the power supply. Therefore, this invention can provide a good pattern quality that is consistent throughout the production process.

[0010] In one embodiment of the present invention, an embossing apparatus further comprises a speed control unit controlling the power supply to a power transmission motor of the embossing roller. By controlling the electricity supplied to the power transmission motor, the supply of the electricity can be increased or decreased according to the rotation adjustment, speeding up or slowing down, corresponding to the film blowing speed at the film blowing section. As a result, it is possible to control the quality of patterns on the film to be consistent and smooth. It can also prevent the film stretching and film sagging around the embossing roller during the production process.

[0011] In addition, the present invention also provides a method for producing embossed zipper bag comprising:

[0012] 1. conveying a film sheet from a film blowing section through a film stringing roller and positioning the film sheet between an embossing roller and a silicone embossing roller;

[0013] 2. conveying the film sheet between the silicone embossing roller and the embossing roller having a heating apparatus inside and having a plurality of ridges molded on the surface;

[0014] 3. the silicone embossing roller and the embossing roller both rotating around the axis, the film sheet being heated by the heating apparatus inside the embossing roller while the silicone embossing roller pressing the film sheet against the surface of the embossing roller, and

[0015] 4. conveying the embossed film sheet by the embossing roller and the silicone embossing roller to a film cooling roller in order to stabilize the film sheet before conveying it to a section for cutting and welding edges of a zipper bag to produce the zipper bag.

[0016] The present invention therefore provides a production method that can produce a beautiful and unique embossed zipper bag, to be differentiated from any other manufacturers’ zipper bags on the market. At the same time, it can be produced easily, without the need for additional apparatus or production steps, in order not to increase production costs, including not to make the zipper bag recycling process complicated and expensive. The recycling can be promoted, which helps reduce the amount of waste in the world.Brief description of the figures

[0017] illustrates a zipper bag producing apparatus of the present invention.

[0018] illustrates a front view of an embossing apparatus and a temperature and speed control unit of a zipper bag producing apparatus of the present invention.

[0019] illustrates a side view of an embossing apparatus of a zipper bag producing apparatus of the present invention.

[0020] illustrates a top view of an embossing apparatus of a zipper bag producing apparatus of the present invention.

[0021] illustrates an embossing roller of an embossing apparatus of a zipper bag producing apparatus of the present invention.

[0022] illustrates a cross-sectional view of an embossing roller of an embossing apparatus of a zipper bag producing apparatus of the present invention.

[0023] illustrates a cooling roller of an embossing apparatus of a zipper bag producing apparatus of the present invention.Detailed description of the invention

[0024] The present invention and various embodiments will be described herein with reference to the attached drawings.

[0025] As shown in, the zipper bag producing apparatus of the present invention mainly comprises a melted plastic import section 1, a film blowing section 2, a film rolling section 3, and a section for cutting and welding edges of the zipper bag 4.

[0026] The melted plastic import section 1 is characterized in a vertically arranged funnel-like structure that serves as a channel through which the melted plastic is fed into the zipper bag producing apparatus. After the melted plastic is fed through the melted plastic import section 1 into the zipper bag producing apparatus, the melted plastic is then conveyed to the film blowing section 2.

[0027] The film blowing section 2 is located next to the melted plastic import section 1 and has the blowing head inside. Inside the blowing head, there is a ring with male and female zipper structures placed inside the ring and has a corresponding structure. When the melted plastic is conveyed from the melted plastic import section 1 into the film blowing section 2, the melted plastic is blown by air at a predetermined and controlled pressure through the blowing head and the zipper structure, forming a cylindrical film sheet with the male and female zipper structures formed on an inner surface of the film sheet. Then the cylindrical film sheet is conveyed to the film rolling section 3.

[0028] The film rolling section 3 located next to the film blowing section 2. That is to say, when the melted plastic is fed into the zipper bag producing apparatus through the melted plastic import section 1, and is blown into the cylindrical film sheet through the blowing head of the film blowing section 2, as described above, the cylindrical film sheet is conveyed to the film rolling section 3. The film rolling section 3 comprises a plurality of rollers 32 serving to roll a cylindrical P film into a flat sheet while the P film is conveyed through the rollers 32. Then the flat plastic sheet is cut open by cutting off the part of the plastic sheet located between the male and female zipper structures, creating an opening for passage of objects into the zipper bag body.

[0029] The film sheet, which is flat and has been cut open, exits the film rolling section 3 and enters the section for cutting and welding edges of the zipper bag 4 of the zipper bag producing apparatus of the present invention. As shown in, the section for cutting and welding edges of the zipper bag 4 is located next to the film rolling section 3 and serves to cut each zipper bag apart according to the set zipper bag size and joins the two edges of the zipper bag together, which finally forms the zipper bag with a gap inside and a single top opening.

[0030] As shown in, the film rolling section 3 of the present invention also has the embossing apparatus 31 in the stage before the flat sheet exits the film rolling section 3, and before entering the section for cutting and welding edges of the zipper bag 4, as shown in Figs 2 to 4. The film rolling section 3 mainly comprises the frame 303. On the frame 303, rollers are installed, namely, the embossing roller 301, the silicone embossing roller 306, the film stringing roller 307, the film cooling roller 3081. is the embossing apparatus 31 also contains the temperature and speed control unit 310 for controlling the temperature inside the rollers and the rotation speed of the rollers, as will be explained later.

[0031] As shown in, the embossing roller 301 is characterized in a hollow cylindrical metal rod having an internal cavity. The embossing roller 301 is connected to the power transmission motor 302 and assembled into the frame 303 of the embossing apparatus 31 and rotates around the axis. That is to say, the shaft or axis of the embossing roller 301 is connected to the shaft or axis of the power transmission motor 302 through a conveyor belt and the embossing roller 301 is capable of rotating about its axis when it receives power transmitted from the power transmission motor 302 through said conveyor belt.

[0032] As shown in Figs. 2 and 6, the embossing roller 301 also comprises the rod heater 304 attached to the shaft of the embossing roller 301 inside the embossing roller 301. The rod heater 304 is connected to the temperature and speed control unit 310 through openings 3041 and 3042 so that when the rod heater 304 is energized, it generates heat and heats the embossing roller 301 to the temperature as set by the temperature and speed control unit 310. The heat is then transmitted through the outer surface of the embossing roller 301 to the film sheet that moves through and is compressed between the embossing roller 301 and the silicone embossing roller 306. In addition to the rod heater 304, any other heating apparatus may be used to heat the embossing roller 301 and the film sheet.

[0033] The temperature and speed control unit 310 comprises a temperature control unit and a speed control unit. The temperature control unit controls the power supply to the rod heater 304 of the embossing roller 301 and controls the temperature of the rod heater 304 to be within the set range, not too high or too low, by automatically increasing or decreasing the electrical power supply, which results in a quality of patterns on the film sheet being consistent throughout the production. While the speed control unit controls the power supply to the power transmission motor 302 which drives the embossing roller 301 by increasing or decreasing the power supply according to the rotation adjustment, speeding up or slowing down, corresponding to the film blowing speed. This enables the control of the quality of patterns on the film to be consistent and smooth, without the film stretching or film sagging around the embossing roller 301 while rotating.

[0034] As shown in, on the outer surface of the embossing roller 301, a plurality of ridges 305 are molded. The ridges can be in any size and shape as may be designed. An example of ridges 305 according to the present invention, as shown in, is characterized in a circle and a rectangle, protruding at the circumference and perimeter respectively, and protruding from the plane of the surface of the embossing roller 301, as the film sheet moves and is compressed between the embossing roller 301 and the silicone embossing roller 306. The ridges 305, heated by the rod heater 304, are compressed against the film sheet with the rotation of the embossing roller 301 around the axis. Heat and compression cause the film sheet to deform and eventually form patterns on the film sheet.

[0035] As shown in Figs. 2 and 4, the silicone embossing roller 306 is characterized in a cylindrical rod made of silicone material with a smooth outer surface. The silicone embossing roller 306 is assembled to the frame 303 of the embossing apparatus 31, rotatably around the axis, and is located close to the embossing roller 301 by a separate shaft so as to compress the film sheet against the surface having ridges 305 of the embossing roller 301. The silicone embossing roller 306 rotates in accordance with the motion of the embossing roller 301, i.e., as the embossing roller 301 and the silicone embossing roller 306 being arranged next to each other and pressed together when the embossing roller 301 rotates, the embossing roller 301 causes the embossing silicone roller 306 to rotate simultaneously in the opposite direction.

[0036] In addition, as shown in, the embossing apparatus 31 also has the silicone embossing roller adjustment kit 309 that connects to the silicone embossing roller 306, characterized in that the silicone embossing roller can be adjusted to move closer or further away from the embossing roller 301. That is, at both ends of the silicone embossing roller 306, there is a set of rollers press adjustment legs which are connected to the steering wheel at one end of the silicone embossing roller 306, and there is a worm gear as a means to reverse the direction from the rotation of the side steering wheel to moving the axis of the silicone embossing roller 306 in the up and down direction. In addition to using the steering wheel on one side, the two-piece steering wheel can also be used to adjust the shaft of the silicone embossing roller 306 up and down by making female threads on the steering wheel and male threads on the silicone rollers lifting shaft at both ends of shaft of the silicone embossing roller 306. When adjusting the shaft up and down, the user must turn both sides of the steering wheel simultaneously. In this case, if the axis (shaft) of the silicone embossing roller 306 is adjusted to move downward, towards the shaft of the embossing roller 301, it will increase the pressure or compression force on the film sheet therebetween. If the axis (shaft) of the silicone embossing roller 306 is adjusted to move in an upward direction, i.e. away from the shaft of the embossing roller 301, it will reduce the pressure or compression force on the film sheet therebetween.

[0037] Before a film sheet P is conveyed into the area between the embossing roller 301 and the silicone embossing roller 306 to be compressed therebetween, the film sheet P is positioned by the film stringing roller 307 which is the roller that receives the film sheet P from the film blowing section 2 and positions the film sheet P into the position between the embossing roller 301 and the silicone embossing roller 306, as shown in Figs. 1 and 3. That is, when the film sheet P moves out of the film blowing section 2 and is rolled by the plurality of rollers 32 into a flat sheet, the film sheet P moves in a downward direction into the embossing apparatus 31, where the film stringing roller 307 is at the front (upstream direction) to receive the film sheet P and position it so that the film sheet P moves into the area between the embossing roller 301 and the silicone embossing roller 306 at the correct position and receives the most appropriate pressing or compression.

[0038] In addition, as shown in Figs. 3 and 4, at the back (downstream direction) of the embossing roller 301 and the silicone embossing roller 306, there is the film cooling roller 308 characterized in a cylindrical metal rod and is a roller receiving the film sheet P which has already been embossed by the embossing roller 301 and the silicone embossing roller 306. The embossed film sheet is in contact with the metal surface of the film cooling roller 308. The film sheet P releases heat received from the rod heater 304 of the embossing roller 301 to the film cooling roller 308 in order to stabilize the patterns on the film sheet before conveying it to the section for cutting and welding edges of the zipper bag 4. As shown in, the embossing apparatus 31 may also include the film cooling roller, having the form of the cooling roller 308 which is characterized in a cylindrical metal rod. Inside there is a hollow cylindrical metal that is slightly smaller than the internal circumference of the cooling roller 308, creating a space between that hollow cylindrical metal and the internal surface of the cooling roller 308. That space is a coolant chamber 312 containing coolant inside. So that when the film sheet P is compressed through the embossing roller 301 and the silicone embossing roller 306, it will transfer the heat through the wall of the cooling roller 308 and transfer it to the coolant inside the coolant chamber 312. Then, the heated coolant having higher temperature is conveyed out of the cooling roller 308 through the opening 3121, and the new coolant is conveyed through the opening 3122 to replace the heated coolant and receive heat from the film sheet P. The cooling roller 308 is installed next to the embossing roller 301.

[0039] Since the zipper bag producing apparatus has the above embossing apparatus, that can create patterns on the zipper bag by adjusting the film rolling section in the normal zipper bag producing apparatus and the normal zipper bag production process, it can create embossing patterns on the zipper bag along with the normal film rolling process. Therefore, the present invention provides a beautiful and unique zipper bag, different from other manufacturers’ zipper bags on the market. At the same time, the embossed zipper bag can be produced easily, without the need for additional apparatus or production steps, not to increase production costs, including not to make the zipper bag recycling process complicated and expensive. Recycling can be promoted, which helps reduce the amount of waste in the world.

[0040] In one embodiment of the present invention, the embossing apparatus further comprises the cooling roller located after the embossing roller and the silicone embossing roller. When the film sheet that has been heated by the embossing roller is immediately conveyed to the cooling roller, the patterns on the film sheet will undergo sudden temperature changes (Thermal Shock), causing the patterns to stabilize and settle quickly, resulting in the sharp and beautiful patterns.

[0041] In one embodiment of the present invention, the embossing apparatus further comprises the silicone embossing roller adjustment kit connected to the silicone embossing roller, characterized in that the silicone embossing roller can be adjusted to move closer or further away from the embossing roller. Adjusting the silicone embossing roller to move closer or further away from the embossing roller is to reduce or increase the pressure of the silicone embossing roller acting in the direction of the embossing roller to ensure consistent pressure throughout the rollers. Therefore, it is possible to create a uniform level of embossment on the surface of the zipper bag.

[0042] In one embodiment of the present invention, the embossing apparatus further comprises the temperature control unit controlling the power supply to the rod heater of the embossing roller. By controlling the power supply to the rod heater, the temperature of the heater for the embossing roller can be controlled to a preset value by automatically increasing or decreasing the power supply. Therefore, it results in a good pattern quality that is consistent throughout the production process.

[0043] In one embodiment of the present invention, the embossing apparatus further comprises the speed control unit controlling the power supply to the power transmission motor of the embossing roller. By controlling the power supply to the power transmission motor, the power supply can be increased or decreased according to the rotation adjustment, speeding up or slowing down, corresponding to the film blowing speed at the film blowing section. As a result, it is possible to control the quality of patterns on the film to be consistent and smooth. It can also prevent the film stretching and film sagging around the embossing roller during a production process.

[0044] In addition, the present invention also provides the method for producing embossed zipper bag mainly comprising:

[0045] 1. A melted plastic is fed into the zipper bag producing apparatus through the melted plastic import section 1, then the melted plastic is conveyed to the film blowing section 2.

[0046] 2. The melted plastic is blown by air at a predetermined and controlled pressure through the blowing head and zipper structures of the film blowing section 2 into a cylindrical film sheet with male and female zipper structures molded on the inner surface of the film sheet. Then the cylindrical film sheet is conveyed to the film rolling section 3.

[0047] 3. Rolling of the cylindrical film sheet into a flat sheet by rollers 32 of the film rolling section 3. Then the flat plastic sheet is cut open by cutting off the part of the plastic sheet located between the male and female zipper structures, creating an opening for passage of objects into the zipper bag body. Then the flat film sheet is conveyed into the embossing apparatus 31 of the film rolling section 3. At the embossing apparatus 31, the steps are as follows:

[0048] 3.1 conveying the film sheet into the film stringing roller 307 and positioning it between the embossing roller 301 and the silicone embossing roller 306;

[0049] 3.2 conveying the film sheet between the silicone embossing roller 306 and the embossing roller 301 having the heating apparatus, namely the rod heater 304, inside and the plurality of ridges 305 molded on the surface;

[0050] 3.3 heating and compressing of the film sheet by the silicone embossing roller 306 and the embossing roller 301 both rotating around the axis, the film sheet being heated by the heating apparatus 304 inside the embossing roller 301 while the silicone embossing roller 306 pressing the film sheet against the surface of the embossing roller 301, and

[0051] 3.4 cooling the film sheet by conveying the embossed film sheet by the embossing roller 301, and the silicone embossing roller 306 to the film cooling roller 308 in order to stabilize the film sheet, then conveying it to the section for cutting and welding edges of the zipper bag 4 to produce a zipper bag.

[0052] 4. Cutting each zipper bag apart according to the set zipper bag size and welding the two edges of the zipper bag body together by using the section for cutting and welding edges of the zipper bag 4 and finally forming the zipper bag with a gap inside and a single top opening.

[0053] The present invention provides a production method that can produce a beautiful and uniquely embossed zipper bag, differently from any other manufacturers’ zipper bags on the market. At the same time, it can be produced easily, without the need for additional apparatus or production steps, in order not to increase production costs, including not to make the zipper bag recycling process complicated and expensive. Recycling can be promoted, which helps reduce the amount of waste in the world.

[0054] In addition to the various embodiments described here in details, any modifications may be clearly understood and can be carried out by those ordinarily skilled in the relevant arts, to provide a zipper bag producing apparatus and method for producing embossed zipper bag using the same that can provide a beautiful and uniquely embossed zipper bag, differently from any other manufacturers’ zipper bags on the market, can be produced easily, without the need for additional apparatus or production steps, in order not to increase production costs, including not to make the zipper bag recycling process complicated and expensive, and recycling can be promoted, which helps reduce the amount of waste in the world, within the scope and intention of the invention as appears in the attached claims.Best mode to carry out the invention

[0055] As described in the Detailed Description of the Invention

Claims

A zipper bag producing apparatus comprising:a melted plastic import section being an entrance to the zipper bag producing apparatus for melted plastic;a film blowing section located next to the melted plastic import section comprising a blowing head with a zipper forming part inside, where melted plastic being blown through the blowing head to form a cylindrical film sheet with a zipper structure molded on the film;a film rolling section located next to the film blowing section and having a plurality of rollers serving to roll the cylindrical film sheet into a flat sheet while a plastic sheet being conveyed through the rollers, anda section for cutting and welding edges of a zipper bag located next to the film rolling section serving to weld edges of the zipper bag to leave an opening on only one side, and then cut the zipper bag apart,characterized in that,the film rolling section has an embossing apparatus comprising:an embossing roller connected to a power transmission motor and assembled into a frame of the embossing apparatus rotatably around the axis, wherein the embossing roller comprises a rod heater attached to a shaft of the embossing roller inside the embossing roller and a plurality of ridges molded on a surface of the embossing roller;a silicone embossing roller, assembled into the frame of the embossing apparatus rotatably around the axis, being arranged close to the embossing roller with a separate shaft, wherein the silicone embossing roller has a smooth surface;a film stringing roller being a roller receiving the film sheet from the film blowing section and positioning it between the embossing roller and the silicone embossing roller;a film cooling roller being a roller receiving the film sheet that has been embossed by the embossing roller and the silicone embossing roller serving to stabilize patterns before conveying the film sheet to the section for cutting and welding edges of the zipper bag.The apparatus according to claim 1, wherein the embossing apparatus further comprises a cooling roller located after the embossing roller and the silicone embossing roller.The apparatus according to claim 1 or 2, wherein the embossing apparatus further comprises a silicone embossing roller adjustment kit connected to the silicone embossing roller, in a manner that the silicone embossing roller can be adjusted to move closer or further away from the embossing roller.The apparatus according to any of claims 1 to 3, wherein the embossing apparatus further comprises a temperature control unit controlling the power supply to the rod heater of the embossing roller.The apparatus according to any of claims 1 to 4, wherein the embossing apparatus further comprises a speed control unit controlling the power supply to the power transmission motor of the embossing roller.A method for producing embossed zipper bag comprising:conveying the film sheet from the film blowing section through the film stringing roller and positioning the film sheet between the embossing roller and the silicone embossing roller;conveying the film sheet between the silicone embossing roller and the embossing roller having a heating apparatus inside and having a plurality of ridges molded on the surface;heating and compressing of the film sheet by the silicone embossing roller and the embossing roller both rotating around the axis, the film sheet being heated by the heating apparatus inside the embossing roller while the silicone embossing roller pressing the film sheet against the surface of the embossing roller, andcooling the film sheet by conveying the embossed film sheet by the embossing roller and the silicone embossing roller to the film cooling roller in order to stabilize the film sheet, the film sheet then being conveyed to the section for cutting and welding edges of the zipper bag to produce the zipper bag.

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