KR20100100173A - Air packing hundred formation - Google Patents

Abstract

PURPOSE: An air packing bag forming apparatus is provided to continuously maintain packing state, since an adjacent air chamber is not damaged though a single air chamber is damaged by external shock. CONSTITUTION: An air packing bag forming apparatus(100) comprises an air hole cutting unit(40), first and second structure room molding units(50,50'), an outer rim forming unit(50"), an unit product bonding part(60), and an unit product cutting unit(80). A pair of inner film rolls are pressed to an idle roller(11). The air hole cutting unit cuts the surface of the film at fixed intervals. A welding mold unit(51) and a cooling mold unit(52) are composed as one set in a first structure room molding unit. A film is inserted into the second structure room molding unit and an outer rim forming unit.

Description

Air packing bag formation machine

The present invention relates to a molding machine for forming an air packaging bag used to protect the product from damage or impact during movement of the finished product. Specifically, by forming the air chamber of the air packaging bag independently, even if one air chamber is damaged, The air chamber can be kept packaged continuously without any air deflection, and large space for loading the packing goods is unnecessary in the product production line, and the film can be moved and welded and cut continuously in multiple overlapping states. The present invention relates to an air bag molding machine that can reduce packaging bag production cost by automation.

In general, expensive home appliances such as laptops and TVs are usually stored in an outer packaging box and packaged in an outer packaging box to protect them from falls and external shocks that may occur during transportation. to be.

In the above, the inner packaging container is generally manufactured by using the same or similar to the outer shape of the target product to be packaged using styrofoam to prevent the product from shaking.

In recent years, in order to protect the environment, in the case of small packaging products such as paper packaging containers or video or portable cassettes that can be easily disassembled, they are internally packed using air caps or the like.

However, such an inner packaging container has the following problems.

First, products such as large TVs, computers, and monitors use Styrofoam to make internal packaging containers.

In this way, the inner packaging container using styrofoam has to produce a packaging container manufacturing mold for each product in order to have an internal shape similar to the product to be packed, which is very complicated, takes a long time, and generates a high cost.

In addition, there is a problem in that the mold must be prepared for each product to be packaged.

Second, internal packaging containers made of styrofoam are not available for mass loading at the production site.

In other words, in a narrow production site, a large packaging container has a problem that is very difficult to handle.

Styrofoam's internal packaging containers take up a lot of volume and cannot be loaded in large quantities at the place of use, so they must be taken from a separate storage area, such as a warehouse, to be used very difficult and very difficult to handle in the case of large product packaging containers. There is this.

Third, in order to solve the above problems, an inner packaging container formed of paper has recently been used.

Product packaging containers made of these papers are cumbersome to be manufactured using a separate mold, but can be stacked and stacked when using the packaging containers in the field of use, so that the loading space can be used efficiently and formed by using paper. However, the empty space is generated between the inner container and the outer box, and due to such a space, the product is not completely protected, such as impact or shaking.

Fourth, in the case of small products such as mobile phones or MP3 players, the product can be protected by shock by packing the product using an air cap and storing it in an outer box, but the air storage room of the large air cap is weak. The packaging method as described above is not used due to the problem that burst.

The present invention has been made in consideration of the above circumstances, and an object of the present invention is to facilitate the loading and handling of the inner packaging container in the product production line and to improve the quality in the product production line by enabling the loading of a large quantity of packaging containers. And it provides an air packaging bag molding machine that can reduce the defect in the packaging process.

In addition, for another object of the present invention by folding the matized air packaging bag in the form of a packaged product to use in the form of a bag to reduce the cost used in the production of the inner packaging container without the need for a mold for each product The present invention provides an air bag molding machine that can be easily transformed into various forms.

In addition, another embodiment of the present invention is to provide an air packaging bag molding machine that can be easily transformed into various forms such as an ice pack by injecting a refrigerant other than air into the air chamber.

The present invention has been invented to achieve the above object as an air packaging bag molding machine of the present invention, the film roll is installed on the front end of the housing and a pair of inner film roll and a pair of outer film roll A mounting portion, a loading portion installed at the rear end of the housing and formed from a film roll mounting portion and formed into a packaging bag, and cut and loaded into a unit packaging bag; and loading on a film supply path between the film roll mounting portion and the loading portion. A plurality of idle rollers rotatably installed in the element to guide the transfer of the film, and installed on the film supply path between the film roll mounting portion and the loading portion, and the pair of inner film rolls are in close contact with the idle rollers. Air hole cutting part which flows in and cuts the film surface at regular intervals, and is installed at the rear of the air hole cutting part, and an external film is seated on the upper surface. A space adjusting portion for adjusting the feed rate of the film in a state; a first structure chamber forming portion formed at a rear side of the space adjusting portion, wherein the welding mold portion and the cooling mold portion are composed of one set; and the first structure chamber forming portion. In the state of the outer film is introduced into the lower surface of the film formed in the second structure chamber forming part and the outer frame forming part consisting of a weld mold and the cooling mold unit, and installed at the rear of the outer border forming part And a unit product adhesive part for welding the film with a unit packaging bag in order to divide the continuous film into unit products, and an outer circumferential cut portion that is installed at the rear of the unit product adhesive part and cuts to fit the size of a packaging bag to produce a molded film. To adjust the moving speed of the film in order to accurately cut the film flowing into the unit packaging bag is installed at the rear of the outer peripheral surface cutting portion The power control unit and is installed in the rear of the tension adjusting unit configured to include a product cut for cutting the packaging bag film is a continuous flow into the speed control state in unit packaging bag is characterized.

On the other hand, it is preferable to further include a tension control unit for imparting the same moving speed to the film is formed behind the respective film roll mounting portion.

In addition, the air hole cutting unit is configured to include a lower mold and a cylinder (not shown) to move the upper mold and the lower mold is assembled to the housing is formed a soft synthetic resin plate on the upper surface and a plurality of blades formed.

In the welding mold portion is a base having a moving means to move forward and backward with the housing, a lower mold seated on the upper surface of the base, a support connected to the upper surface and the shaft of the base and a pair of cylinders formed on the upper surface, A movable member formed between the support and the lower mold and configured to be moved up / down by the operation of the cylinders on both sides in a state of being assembled to slide with the shaft, and assembled on the bottom surface of the movable member and having a heating element therein. The upper mold is connected to an external power source in a state, and is fixed to the fixing pins formed on both sides of the moving member, characterized in that it comprises an anti-stick film formed to surround the upper mold of the lower.

On the other hand, the cooling mold portion and the base having a moving means to move forward and backward with the housing, the lower mold seated on the upper surface of the base, the support connected to the upper surface and the shaft of the base and a pair of cylinders formed on the upper surface and And a movable member formed between the support and the lower mold and configured to move up and down by the operation of the cylinders on both sides in a state of being assembled to slide with the shaft, and assembled on the bottom surface of the movable member and flowing coolant therein. Characterized in that it comprises an upper mold connected to the external circulation means in a state in which the flow path is formed.

In addition, the movement means is a pair of body protruding to one side of the base, a shaft penetrating the inside of the body and a pair of gears formed in the inner side, meshed with the gear and formed in the longitudinal direction on the upper surface of the housing And a spur gear and a handle assembled to one side of the shaft to rotate the gear forward and reverse.

In addition, the unit cut part is assembled / fixed to the housing and a pair of guide plates formed with a long groove, the both ends are assembled so as to slide in the long groove and the lower body is assembled to the blade and the movable body connecting the movable body and the cylinder It is characterized by including a shaft.

In addition, the tension control unit is composed of a cylinder that is assembled so that one side is rotated in the housing and having a "ㅁ" shape, and the cylinder to control the pulling and loosening of the mounted film by controlling the rotation of the control plate.

As described above, the air packaging bag molding machine according to the present invention has the following effects.

First, compared to the conventional mold for producing styrofoam can be manufactured in a small size can reduce the production cost of the mold, and by producing a packaging bag in an automated state it is possible to reduce the labor cost and the mass production according to the production.

Second, it is easy to be cut and welded into the shape of a box to fit the size of the product to be packaged in the form of a plate, and easily transformed into various forms. It has the effect of packing.

Third, by variously modifying the shape of the air chamber, it is possible to manufacture an air packaging bag having an optimized shape for various shapes and designs of products to be packaged.

Fourth, even if one structural chamber is damaged by an external impact, it does not affect the neighboring structural chambers, and thus the packaging state can be continuously maintained without a great impact.

Next, embodiments of the present invention will be described in detail with reference to the drawings.

1 is a schematic diagram of a molding machine for explaining the packaging bag forming process of the air packaging bag molding machine according to the present invention.

As shown, the air packaging bag molding machine 100 has a film roll mounting portion 20 in which a film roll of a pair of inner film 21 and a pair of outer film 22 is mounted on one side of the housing 10. And the unit packaging unit 80 is formed to be cut into the unit packaging bag air packaging bag produced through various paths on the other side.

In addition, by installing a plurality of idle rollers 11 on the film path between the film roll mounting portion 20 formed in the housing 10 and the unit product cut portion 80 to facilitate the movement of the incoming film.

On the other hand, between the film roll mounting portion 20 formed in the housing 10 and the unit product cut portion 80 by applying the same tension to the plurality of films introduced into each film in close contact to prevent shaking in the correct position A tension adjusting unit 30 for welding each film and an air hole cutting unit 40 for forming an air hole at a predetermined position are brought into close contact with the film introduced from the inner film roll 21. Continued in the state and the first structure chamber formed by the welding mold portion 51 and the cooling mold portion 52 in the state that the outer film 22 is in close contact with the upper surface of the basic structure chamber film And the second structural chamber molding part 50 'which is composed of a welding mold part 51' and a cooling mold part 52 'while the outer film 22 is inflow / adhered to the lower surface of the inner film 21. ) To form a rescue chamber into which air is introduced.

In addition, the welding mold 51 " and the cooling mold of the outer edge forming part 50 " for forming the outer frame of the air bag after forming the air structure chamber after the welding and cooling several times as described above. By passing through the section 52 ", the air frame is completed.

In addition, the last welding work in the unit product welding unit 60 for cutting into a unit product in order to produce a film welded and cooled continuously as a unit product of the air packaging bag while the base frame of the air packaging bag manufactured as described above do.

In addition, the film formed as described above is now cut to the desired size, the top / bottom size of the air bag is determined by the outer circumferential cut portion 70 formed on both sides of the film and subsequently cut into each individual unit product (80) One air packaging bag 200 is completed and is loaded and packaged in the loading unit 90 is completed.

In the above description, a detailed description of each configuration is as follows.

The film roll mounting unit 20 has four film rolls 21 and 22 mounted on the housing 10 in the vertical direction, and the inner film roll 21 forming the inner film and the outer film roll 22 forming the outer film. ) Are mounted to form a pair each.

The mounting structure of the film roll may be variously modified according to the shape of the housing, and the inflow direction of the desired film may be adjusted using an idle roller.

On the other hand, as described above, the tension control unit 30 is formed so that each film flowing in the state in which the plurality of film rolls (21, 22) is mounted on the housing 10 has the same tension.

As shown in FIG. 2, the tension control unit 30 should have the same flow rate in close contact with each other in order to form one product by mounting a plurality of film rolls.

The tension control unit 30 is formed between a plurality of idle rollers 11 and the cylinder 32 in the other direction assembled and assembled so that one side of the control plate 31 of the "ㅁ" shape is rotated with the housing 10. It is formed by connecting with the housing 10 using.

The tension control unit 30 formed as described above is installed so that the film enters the idle roller 11 and moves in a state where the film is wound on one side of the control plate 31 through the idle roller 11 and moves the cylinder 32 on one side. The tension of the film is adjusted by moving the portion of the adjusting plate 31 wound around the film up / down to give a strong tension and lifting to give the film a weak tension.

The tension is adjusted to the same tension by installing the tension control unit 30 having the above-described structure at the end of each film roll and using the control unit (PCB) 12 formed in the housing 10 to sense and adjust the tension of each film. So that it can be introduced with

On the other hand, the pair of inner film 21 introduced at the same speed by the tension control unit 30 as described above is the air hole cutting portion 40 to form an air hole for introducing air into the air structure chamber formed later Pass through.

As shown in FIG. 3, the air hole cutting part 40 is formed in a state spaced upwardly by a base 41 assembled to an upper surface of the housing 10 and the base 41 and the shaft 42. It is composed of a support 44 to which a pair of cylinders 43 are assembled on the upper surface and a moving member 45 which is assembled to both sides of the cylinder 43 and slidably adheres to the shaft 42 to move up and down. A pair of molds 46 are assembled to the upper surface of the base 41 and the lower surface of the movable member 45.

The molds 46 and 47 have an upper mold 46 on which a plurality of blades 46a are formed on the lower surface, and a cushion portion 47a of synthetic resin on the upper surface, and a lower mold 47 formed on a metal mold under the metal mold. )

The air hole cutting part 40 configured as described above moves the moving member 45 by the operation of the upper cylinder 43 in a state where a pair of inner films 21 are inserted between the upper mold 46 and the lower mold 47. ) Moves while sliding with the surface of the shaft 42 so that the blade 46a portion of the upper mold 46 forms a hole in the film to form an air hole.

At this time, the end portion of the blade 46a can be protected from being broken by inserting the end portion into the cushion portion 47a of the lower mold 47 and does not break even in the ascending and descending of the continuous mold.

Air holes are formed in the pair of inner films 21 as described above, and then the outer film 22 introduced therein is introduced into the first structural chamber molding part 50 in a state of being in close contact with the upper surface.

The first structure chamber forming part 50 is composed of a welding mold portion 51 for welding the shape of the structure chamber and a cooling mold portion 52 for rapidly cooling the welded state to prevent deformation of the film. The configuration is similar to that of the air hole cutting portion 40.

As shown in FIGS. 4 to 5, the weld mold 51 may have a shape of the “51” shaped base 51a surrounding the upper surface of the housing 10 and the shaft 51b on the upper surface thereof. It is connected to the support 51c by the moving member 51d is assembled so as to slide on the shaft 51b.

In addition, the movable member 51d is connected to the cylinder 51e assembled to the support 51c to control the up / down movement, and the upper mold 51f having the heating device 51f 'inside the lower surface is assembled. do.

In addition, a lower mold 51g is assembled on the upper surface of the base 51a.

On the other hand, the silicon-coated anti-stick film 51i is attached to the fixing pin 51h formed on the side of the moving member 51d to surround the outer circumferential surface of the upper mold.

This can protect the film to be introduced and welded between the molds, and can be prevented from being pressed against the mold while the film is welded due to the high temperature of the upper mold 51f.

The cooling mold part 52 has the same configuration as the welding mold part 51, and the difference is rapidly welded to prevent deformation of the film welded from the welding mold part by heat as shown in FIG. There is a difference in that the cooling water is circulated by forming a flow path (not shown) inside the upper mold 52f to cool the portion.

On the other hand, the welding mold 51 and the one side of the cooling mold 52 is moved forward / backward by the moving means 53 connected to the housing 10, respectively, and thereby the size and use of the product to be manufactured Each configuration can be arranged in various ways.

The moving means 53 has a body 53a assembled to one side of the base 51a, 52a of the welding mold part 51 and the cooling mold part 52, and a shaft 53b fitted to the body 53a. And a gear 53c assembled on both sides of the shaft 53b and engaged with the spur gear 10a formed on the surface of the housing 10, and one end of the shaft 53b rotates the gear 53c. Handle 53d is configured.

The moving means 53 configured as described above rotates the gear 53c assembled to the shaft 53b by rotating the handle 53d, and the gear 53c is rotated in engagement with the spur gear 10a. By moving to the forward and backward the welding mold portion 51 and the cooling mold portion 52 connected to the body (53a).

On the other hand, in the state in which the outer film 22 flows into the lower surface of the film in the state formed in the basic air structure chamber of the air packaging bag by the first structure chamber shaping portion 50 as described above 50 ') And the outer edge forming part 50 "to complete the air rescue chamber of the packaging bag.

On the other hand, the configuration of the second structure chamber forming part 50 ′ and the outer border molding part 50 ″ is the same as the structure of the first structure room forming part 50 described above, and the characteristics of the product and the air structure room In case of deformation, the welding mold part and the cooling mold part may be added according to the shape of the structural chamber.

In addition, the film that has been welded and cooled by the above-described configuration is welded 60 into a unit product to form a packaging bag unit product.

This is done by welding and finishing the parts to be cut into unit packaging bags in order to make the packaging bags into individual products from continuous welding molds and cooling molds, and prevents leaking of air. In a separate outward welding process for deforming to polymorphism, the parts to be welded can be secured to produce clean and high quality packaging bags.

In addition, the configuration of the unit product welding part 60 is the same as the configuration of the above-described welding mold part 51, the detailed configuration description thereof will be omitted to avoid duplication of content.

As described above, the film having passed through the unit product welding part 60 is introduced into the outer circumferential surface cutting part 70 which removes unnecessary portions of the upper and lower surfaces of the film.

As shown in FIG. 7, the outer circumferential surface cutout 70 forms the support 71 on both sides of the housing 10, connects the support 71 to the shaft 72, and pivots to the shaft 72. The cutter member 73 is assembled and the blade 73a is assembled at the end.

The cutter member 73 is assembled to be rotated in close contact with the shaft 72 to lower the cutter member 73 during use so that the blade 73a at the end can cut the film and the blade 73a. When the replacement or adjustment of the position of the lift to adjust and in each position can be smoothly worked by adjusting the fixing and loosening on the shaft 72 using the fixing bolt 74 of one side.

As described above, the film is introduced into the unit product cutting unit 80 in a state where the upper and lower portions are cut at the outer circumferential surface cutting unit 70.

As shown in FIG. 8, the unit product cut part 80 is provided with a pair of guide plates 81 on both sides of the housing 10.

The guide plate 81 is configured by assembling the first guide plate 81a having the long groove 81a 'and the second guide plate 81b having the “c” -shaped groove.

In addition, the guide plate 81 is connected by the movable body 82, respectively, the movable body 82 is fitted in the long groove (81a ') on both sides and the connection portion 82b is equipped with a bearing (not shown) at the end A cutting blade 83 is mounted on the lower portion and the shaft 85 is assembled to the lower cylinder 84 at a portion where the cutting blade 83 and the moving object 82 are connected to each other.

In addition, the outer circumferential surface cut portion 80 is formed to be opened and closed by a cover 86 assembled to be rotated at the top to prevent safety accidents due to operator carelessness.

The unit cut part 80 configured as described above is moved by the shaft 84 connected to it by the driving of the cylinder 84, and thus the movable body 82 is fitted on both sides of the long groove 81a 'to serve as a guide. The bearing formed on the inner surface of the groove 81b 'of the second guide plate 81b and the end of the movable body 82 is prevented from sliding while sliding.

The film introduced by this operation is located in the unit product cut unit 80, and the sensor detects this and cuts the welded portion precisely so that the film can be cut into one package bag unit product without affecting the air structure chamber.

In addition, the air packaging bag manufactured as described above is to be stored and transported.

Hereinafter, a state in which the film is produced for each advancing step of the film of the air packaging bag molding machine of the present invention will be described with reference to FIGS. 1 and 9A to 9G.

The film deformation process of the parts A to G shown in Figure 1 is shown divided by 9a to 9g.

As shown in FIG. 9A, a pair of inner films 21 are introduced into the molding machine, and the air holes are cut to the film surface by the blade 46a of the air hole cutting unit 40.

In the state where the air hole is formed as described above, the outer film 22 flows into the first structural chamber forming part 50 and is welded by the primary welding mold part 51, as shown in FIG. 9B. It can be seen that the basic configuration of the rescue room is welded.

Subsequently, the film that has passed through the cooling mold part 52 flows into the second structure chamber forming part 50 ′ with the outer film 22 flowing into the lower part.

In the second structure chamber forming part 50 ′, a frame of each structure chamber is formed on the outer circumferential surface formed in the first structure chamber as shown in FIG. 9C, thereby completing a valve portion and an air structure chamber through which air is introduced. do.

Subsequently, the film continues to move to weld the initial air inlet and the outer border in the outer edge forming part as shown in FIG. 9D to have the unit product shape of the air packaging bag.

In addition, the film having the shape of the unit product as described above is welded in the unit product welding section as shown in 9e and divided into respective unit product shapes, and then the outer circumferential surface using the cover member is cut at the outer circumferential surface cutting section as shown in FIG. 9F. By cutting, primary cutting for the manufacture of the air bag is performed.

  Finally, as shown in FIG. 9G, a pre-welded unit product welded part is cut to obtain a film having a structure chamber of a desired size, and then folded into various shapes and welded to the outer circumferential surface to form a variety of items to be packaged, such as a box bag and a basket. It is to make and use in the form.

1 is a schematic view of a molding machine for explaining a packaging bag forming process of the air packaging bag molding machine according to the present invention.

Figure 2 is a side view of the tension control portion of the air bag molding machine according to the present invention.

Figure 3 is a front view of the air cutting portion of the air packaging bag forming machine according to the present invention.

Figure 4 is a perspective view of a welding mold for forming the first, second structural chambers and the outer border of the air packaging bag forming machine according to the present invention.

5 is a cross-sectional view of FIG. 4.

Figure 6 is a perspective view of a cooling mold for molding the first, second structural chamber and the outer border of the air packaging bag forming machine according to the present invention.

Figure 7 is a photograph of the outer peripheral surface cut portion of the air packaging bag forming machine according to the present invention.

Figure 8 is an enlarged perspective view of a part of the unit cut portion of the air packaging bag forming machine according to the present invention.

Figure 9a to 9g is a state diagram of a step-by-step air bag using the air packaging bag molding machine according to the present invention.

* Description of the symbols for the main parts of the drawings *

100 ... molding machine 10 ... housing

11 ... Idler 12 ... PCB

20 ... film roll insert 21 ... inner film roll

22 ... outer film roll 30 ... tension adjustment unit

31 ... control panel 32 ... cylinder

40 ... pneumatic cuts 41 ... base

42 ... shaft 43 ... cylinder

44 ... support 45 ... moving member

46 ... upper mold 46a ... blade

47 ... lower mold 47 ... cushion part

50 ... 1st structural room molding part 51 ... welding mold part

52 ... cooling mold part

51a, 52a ... Base 51b, 52b ... Shaft

51c, 52c ... support 51d, 52d ... moving member

51e, 52e ... Cylinder 51f, 52f ... Upper mold

51g, 52g ... Lower mold 51h ... Fixed pin

51i, ... Anti-stick Film

50 '... 2nd structural room forming part 50 "... outer rim forming part

53 ... Vehicle 53a ... Body

53b ... shaft 53c ... gear

53 d ... handle 60 ... unit adhesive

70 ... outer peripheral cut 71 ... holder

72 ... shaft 73 ... cutter member

74 ... fixing bolt 80 ... cutting part

81 ... guide plate 82 ... moving body

83 ... blade 84 ... cylinder

85 ... shaft 90 ... loading

Claims (9)

A housing 10; A film roll mounting unit 20 installed at the front end of the housing 10 and having a pair of inner film rolls 21 and a pair of outer film rolls 22 mounted thereon; A loading unit 90 installed at a rear end of the housing 10 and formed by the film roll mounting unit 20, the film being formed into a packaging bag 200, and then cut and loaded into a unit packaging bag; A plurality of idle rollers 11 rotatably installed on a loading element on a film supply path between the film roll mounting part 20 and the loading part 90 to guide the transfer of the film; It is installed on the film supply path between the film roll mounting portion 20 and the loading portion 90 and the pair of inner film rolls 21 are introduced in a state in which they are in close contact by the idle roller 11 and the film surface at regular intervals. Air hole cutting unit 40 for cutting the; A first structural chamber forming part 50 formed at the rear of the air hole cutting part 40 and including a welding mold part 51 and a cooling mold part 52 as a set; The outer film 22 flows into the lower surface of the film formed by the first structural chamber molding part 50, and the welding mold parts 51 ′ and 51 ″ and the cooling mold parts 52 ′ and 52 ″ are introduced. A second structure chamber forming part 50 'and an outer border forming part 50 "each having a single set; A unit product adhesive part 60 installed at the rear of the outer edge forming part 50 ″ and welding the film to a unit packaging bag in order to divide the continuous film into unit products; An outer circumferential cut portion 70 installed at the rear of the unit product adhesive portion 60 and cut to fit the size of the packaging bag to be manufactured; And a unit product cutting unit 80 for cutting the packaging bag film which is continuously installed at the rear of the outer circumferential surface cutting unit 70 and the speed is controlled into a unit packaging bag. . The air wrapping bag molding machine according to claim 1, further comprising a tension adjusting part (30) for giving the same moving speed to the film which is formed at the rear of each film roll mounting part (20). According to claim 1, wherein the air cutting hole 40 is a base (41) assembled to the housing (10); A shaft 42 connecting the base 41 and the support 44; A moving member 45 sliding and sliding on the outer surface of the shaft 42; A cylinder 43 assembled to the upper surface of the support 44 and connected to the movable member 45 to adjust the shank movement of the movable member 45; An upper mold 46 assembled to a lower surface of the movable member 45 and having a plurality of blades 46a formed thereon; And a lower mold (47) assembled on the upper surface of the base (41) and having a cushion portion (47a) formed on the upper surface thereof. According to claim 1, wherein the welding mold portion 51 comprises a base (51a) formed with a moving means (53) to move forward and backward with the housing (10); A lower mold 51g seated on an upper surface of the base 51a; A support 51c connected to the upper surface of the base 51a and the shaft 51b and having a pair of cylinders 51e formed on the upper surface thereof; A moving member (51d) formed between the support (51c) and the lower mold (51g) and configured to move up / down by the operation of the cylinders (51e) on both sides while being assembled to slide with the shaft (51b); An upper mold 51f assembled to a bottom surface of the movable member 51d and connected to an external power source in a state in which a heating element 51f 'is embedded; And an anti-stick film (51i) formed on the fixing pins (51h) formed on both sides of the moving member (51d) to surround the upper mold (51f) of the lower portion. According to claim 1, wherein the cooling die (52) comprises a base (52a) having a moving means (53) to move forward and backward with the housing (10); A lower mold 52g seated on an upper surface of the base 52a; A support 52c connected to the upper surface of the base 52a and the shaft 52b and having a pair of cylinders 52e formed on the upper surface thereof; A movable member (52d) formed between the support (52c) and the lower mold (52g) and configured to be moved up / down by the operation of the cylinders (52e) on both sides while being assembled to slide with the shaft (52b); And an upper mold (52f) assembled to a bottom surface of the movable member (52d) and connected to an external circulation means in a state where a coolant flows therein. According to claim 4 or 5, The moving means (53) A pair of body (53a) protruding to one side of the base (51a); A shaft 53b that penetrates the inside of the body 53a and has a pair of gears 53c formed therein; A spur gear 10a meshed with the gear 53c and formed in a longitudinal direction on an upper surface of the housing 10; And a handle 53d assembled at one side of the shaft 53b to rotate the gear 53c forward / reversely. Here, the air packaging bag forming machine, characterized in that the gear is rotated by the rotation of the handle to rotate the gear meshed with the spur gear and the base connected to the body forward / backward. According to claim 1, wherein the outer circumferential surface cut portion (70) A pair of fasteners (71) assembled to the housing (10); The cutter 71 is connected to the plurality of cutter members 73 to which the blades 73a are assembled at the ends. Air packing bag molding machine comprising a; fixed bolts 74 for controlling the rotation of the cutter member (73). According to claim 1, wherein the cut unit 80 is a pair of guide plates 81 having a protective plate 86 is assembled / fixed to the housing 10, the long groove (81a ') is formed and assembled to be rotated therein ); Both end portions are assembled so as to slide in the long groove (81a ') and the movable body 82 is assembled to the lower blade (83); And a shaft (85) connecting the movable body (82) and the cylinder (84). According to claim 2, the tension adjustment unit 30 is one side is assembled to be rotated to the housing 10, the control plate 31 having a "ㅁ" shape; And a cylinder (32) for controlling the pulling and loosening of the mounted film by controlling the rotation of the control plate (31).

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