KR102011494B1 - Window forming apparatus for packing bag - Google Patents

Abstract

The window forming apparatus of the packaging bag of the present invention comprises a window forming apparatus for forming a window on the packaging bag and heat-sealing the window film on the window, and the base is configured, wherein the base is configured on the rear of the rotary transfer device A blanking device for blanking the window film from the sheet film being unsealed by the sheet roll roll; A rotation conveying device configured in the base and configured at the rear of the suction fusing device and configured to receive a window film blanked and receive the window film by horizontal rotation; A suction fusion device configured to negatively adsorb the window film formed on the base by means of a hollow air device and to heat-bond the window film to the body of the packaging bag having the window by a heater; Adsorption fusion of window film by suction fusion device and blanking of window film by thermal fusion and blanking device have good work efficiency, and various production systems that produce all packing devices with one window base. It can be applied to, so that the compatibility is good.

Description

Window forming apparatus for packing bag

The present invention relates to a window forming apparatus for a packaging bag, and more particularly, a straw window of a packaging bag by suctioning the window film constituting the straw window of the body of the packaging bag or the ventilation window film constituting the ventilation window Or it relates to a window forming apparatus for packaging bags that are heat-sealed to the ventilation window to perform suction and heat-sealing at the same time.

In general, a packaging bag is a bag having a space formed therein by heat-sealing two or three edges of various known vinyl compounds such as PP (polypropylene) and PE (polyethylene).

Since packaging bags are easy to carry and have low packaging costs, they are used as refill containers for glass bottles, cans, and plastic containers, and are classified into various types such as pouches and free-standing packaging bags.

 The packaging bag is packaged and stored in a liquid or gel form of a beverage, detergent, fabric softener, soybean paste, red pepper paste, etc. in the inner space, and some packaging bags are made through a straw window composed of a predetermined area on one side of the body Straws can be inserted to allow for easy intake of the contents or to create a vent window that releases heat or steam when the packaged food is heated in a microwave.

Looking at the prior art that is a device for forming a straw window on the packaging bag,

Republic of Korea Patent Publication No. 10-0700214 The straw window forming apparatus (28 March 2007) of the packaging bag is a straw window forming apparatus for forming a straw window on the packaging bag, the film is wound and rotatably provided on the frame A film feed roll; A sealing material supply roll which is provided with a sealing material and rotatably provided in the frame, and supplies the sealing material in a feeding direction of the film; It is provided to be elevated in the frame, and the perforated window to the film passing through the inside, the lifting cylinder and the lower end is formed with a perforation projection is connected to the lifting cylinder and is configured to accommodate the rod and the perforating projection to be elevated Perforations; A heating press and the heating block facing each other, and a heat press part for pressing the sealing material to the inner surface of the portion where the straw window of the film is formed while the film and the sealing material pass between the heating block and the bed; A feed roll provided in the frame in order to transfer the film in one direction; Composed of a cooling block and a bed that can be elevated in the frame and provided with a cooling means therein is composed of a cooling unit configured to cool the portion where the film and the sealing material are heat-compressed, and the rear of the heat-compression unit.

The prior art has a problem in that the cooling portion for cooling the portion of the film and the sealing material heat-compressed to the rear of the heat-compression unit for heat-pressing the film and the sealing material has a problem that the heating and cooling is not performed at the same time.

In addition, the prior art has a problem that the heat compression and cooling of the film and the sealing material is made with a time difference so that the film and the sealing material portion heated in the hot pressing portion are cooled during the time of reaching the cooling unit.

In addition, the prior art has a problem that the heat compression temperature must be increased by the time difference between the heat compression and cooling of the film and the sealing material.

In addition, the prior art has a problem that the sealing material is formed over the entire width of the packaging bag takes more than necessary sealing material.

The present invention has been made in order to solve the problems of the prior art, is formed in a predetermined area on the body of the packaging bag is formed in a predetermined area on the body of the straw window or packaging bag to insert the straw gas is The window feeder used for the ventilation window, which is permeable but does not penetrate the liquid, is cut into a predetermined shape, and the window feeder is sucked by the negative pressure and the heater is built-in. An object of the present invention is to provide a window forming apparatus for a packaging bag that is configured by a suction fusion device for thermally fusion of a film to a body of a packaging bag and simultaneously performs suction and thermal fusion.

A window forming apparatus for a packaging bag of the present invention comprises a window forming apparatus for forming a window on a packaging bag, heat-sealing the window film on the window, and a base configured with the window bag. It is composed of a suction fusion device for negative pressure adsorption by the heat-sealed window film to the body of the packaging bag composed of the window by the heater.

In addition, the present invention, the suction fusion device is a fusion frame protruding to the base, the fusion body is configured to be raised in the fusion frame and the suction hole configured in the inner direction at the outer diameter, and configured to communicate with the suction hole at the end of the fusion body The suction passage is composed of a pipe-shaped fusion column configured, and the heater is configured inside the end of the fusion column.

In addition, the present invention is further configured to rotate the transfer device for transporting the window film by the horizontal rotation by receiving the base film is configured on the base and configured behind the suction fusion device and blanked.

In addition, the present invention, the fusion body is integrally formed at the end of the actuator configured on the outer upper portion of the fusion frame and integrally formed at the end of the fusion guide rod to be elevated by the guide of the fusion frame.

In addition, the present invention, the rotary transfer device is composed of a transfer frame protruding to the base, a transfer motor fixed in the transfer frame, and a bar-shaped rotation transfer bar configured on the rotating shaft of the transfer motor and configured on the outside of the base do.

In addition, the present invention further comprises a bar-shaped cooling bar configured by a cooling path in which cooling means are circulated so that the window film heated by the fusion column can be cooled below the fusion column.

In addition, the present invention, the rotary transfer bar is configured in a plate-like mounting groove consisting of grooves on the upper surface near the both ends.

In addition, the present invention, the blanking device for blanking the window film in the sheet film that is configured on the base and is configured behind the rotational transfer device and unsealed from the sheet unwinding roll.

In addition, the present invention, the blanking device is a blanking frame protruding to the base, a lifting die which is lifted in the blanking frame, a cylindrical rod configured at the end of the lifting die, and fixed to the lower portion of the blanking frame It consists of a fixed die consisting of a through hole through which the upper and lower through holes pass through and the window film blanked.

In addition, the present invention, the pressing die is configured in the blanking frame and configured on the top of the fixed die, the upper and lower through holes through which the rod is configured.

The window forming apparatus of the packaging bag of the present invention has the effect of good simultaneous work efficiency of the blanking of the window film by the adsorption heat fusion and blanking device of the window film by the suction fusion device.

In addition, the present invention can be applied to a variety of production systems that produce all the packaging device to form a packaging bag in one base has a good compatibility effect.

In addition, the present invention is carried out by the adsorption and thermal fusion of the window film at the same time the device is simple and the process is reduced there is an effect that the work efficiency is good.

In addition, the present invention has the effect that the window film is configured in the same shape as the window only around the window, so the consumption of the window film is small.

In addition, the present invention has a small heat-sealing area because the consumption of the window film is small, there is an effect that the electricity consumption is saved.

1 is a perspective view of a window film packaging bag.
2 is a manufacturing system of the packaging bag to which the present invention is applied.
3 is a front view of the window forming apparatus of the present invention.
4 is a side view of the blanking device of the present invention.
5 is a side view of the rotational feed apparatus of the present invention.
6 is a side view of the suction welding device of the present invention.

Hereinafter, the present invention will be described in detail with reference to FIGS. 1 to 7.

The present invention is a part of the production system of the packaging bags 100, 100 ', 100 "configured with the windows 140, 140', 140", and the window 140, 140 in the packaging bags 100, 100 ', 100 ". Blanking device 20, rotating conveying device which constitutes the base 11, and heat-bonds the window films 150, 150 'and 150 "to the windows 140, 140' and 140". The window forming apparatus 10 of the packaging bag 100, 100 ', 100 "which consists of the 30 and the suction welding apparatus 40 is related.

In the specification of the present invention, 'packing bag' means not only a bag made of vinyl, but also used to mean both a bag and a bag made of a material that can be heat-sealed by thermocompression bonding.

The pouch-type packaging bag 100 is composed of the front body 130-1 and the rear body 130-2, having the same size and shape and positioned to face each other and the front body 130-1 and the rear body 130 It is formed by the body 130 is formed in the inner space portion 21 is sealed to a certain size by -2), the edge portions of the front body 130-1 and the rear body 130-2 by heat fusion The sealing (sealing) heat-sealed portion 120 is processed, the inner space portion 21 is used as a place for stably receiving and storing the contents.

Self-supporting packaging bag (100 ') is composed of the front body 130-1 and the rear body 130-2 and the side body and the bottom body constituted on both sides formed before and after, two layers of a predetermined length Fold the bottom of the body film into a quadrangular shape and seal it by heat fusion to the overlapping part to form a bottom body or fold the sheet body film and seal it by heat fusion on the overlapping part of the edge. To form the bottom body.

Both sides of the self-supporting packaging bag (100 ') is folded to the upper part of a certain length, the folded upper portion is placed inside the body to seal the heat treatment by simultaneously sealing the upper edge of the folded top and the upper edge of the packaging bag (100') Forming a heat-sealed portion (120). An upper space of the bottom body and the front and rear body is sealed to form an inner space portion, and the inner space portion is used as a place for stably accommodating and storing contents.

The three-pack packaging bag (100 ") is composed of the front body 130-1 and the rear body 130-2 and the side body formed on both sides, which is formed before and after, overlapping the edge end of the sheet body film The edge heat-sealed portion, the portion of which is sealed by heat-sealing, is folded in two layers so as to be positioned on the rear body 130-2, and both sides of the body film of a certain length folded in two-fold are folded to form three-packing bags (100). Both sides of the body are formed of ").

The two-pack packaging bag is composed of the front body 130-1 and the rear body 130-2 and the side body is configured on both sides, which is configured before and after, both sides of the body film of a certain length by folding both sides of the body Form.

Both sides of the two-layer body film in the three-pack and two-pack bag (100 ") folded the upper and lower portions of a certain length to place the upper and lower parts folded inside the body, the edge of the folded upper and lower body and the front body and the rear body The inner space portion is formed by forming the heat-sealed portion 120 sealed by heat-sealing the upper and lower edges at the same time, the inner space portion is used as a place for stably receiving and storing the contents.

The present invention is made of the overlapping packaging film to form the body 130 by the front body 130-1 and the rear body 130-2, and a part or all of the edges of the overlapping packaging film is heat-sealed body 130 Pouch-type packaging is formed in the heat seal portion 120 is formed on the edge of the front body 130-1 or a portion of the front body 130-1 or the straw window 140 or vent window 140 ' It is applied to the bag 100, the freestanding bag 100 'and the three-way bag 100 ".

The present invention is composed of a predetermined area on one surface of the front body (130-1) or the rear body (130-2) of the pouch-type packaging bag 100 is inserted into the straw can be ingested the contents of the straw as a straw Applied to the window film 150 'that is heat-sealed to the window 140 or of the front body 130-1 or the rear body 130-2 of the self-contained packaging bag 100' and the two-way packaging bag 100 ". Ventilation window 140 configured to have a predetermined area on one side to store gas and permeate such as red pepper paste or doenjang without allowing liquid to permeate or to heat the packaged processed food in a microwave when the packaged food is heated in a microwave. It is applied to the window film 150 'which is thermally fused to').

The window film 150 that is heat-sealed to the edge and the body 130 of the straw window 140 is composed of PP (polypropylene), PE (polyethylene), etc., the edge and body 130 of the ventilation window 140 ' The window film 150 'that is thermally fused to is a waterproof and breathable microporous film, Micro Poreus® film, Tyvek® film, Thorona PTT® film, Sontara® film , Or Nomex® film.

As an embodiment of the manufacturing apparatus of the packaging bag to which the present invention is applied to briefly describe the manufacturing apparatus of the three-way packaging bag 100 "with the ventilation window 140",

The present invention provides a blanking apparatus 20 for blanking the window films 150, 150 ', 150 "from the sheet film b on one base 11, and the blanked window films 150, 150', 150". And the negative pressure suction of the conveying window film (150, 150 ', 150 ") and the heat transfer to the body 130 of the packaging bags 100, 100', 100" It consists of a suction fusion device (40).

Body film piling roll (1), punching device (2), window forming device 10, fusion device (3) along the conveying direction of the body film (a) forming the body 130 of the packaging bag (100 ") ), The cutting device 4, the side forming device 5, the fusion device (3 '), the cutting device (4') and the encapsulation winding roll (6) is arranged to punch and window the body film (a) being transferred. , Folding, fusion, cutting to produce a packaging bag (100 ") and the order of the apparatus may vary slightly depending on the working method.

Form the body 130 of the front body (130-1) and the rear body (130-2) and the body film (a) of the sheet is advanced in the punching device (2) while unwinding in the body film roll roll (1) Windows 140, 140 ′, 140 ″ are formed in a circle or a square or the like.

On the other hand, separate from the body film (a), the sheet film (b) is advancing while being released from the sheet sea roll roll 12, the window film of the circular or rectangular window film having a larger area than the ventilation window 140 'in the window forming apparatus 10 (150 ') is blanked, the blanked window film 150' is conveyed to meet the body film (a) formed with the ventilation window 140 'is formed on the entire body (30-1) by the suction fusing device (40) The sheet film b, which is heat-sealed to the inner surface of the formed ventilation window 140 'and constitutes a window, and the window film 150' is blanked, is wound on the sheet winding roll 13.

The body film (a) in which the window film (150 ') is thermally fused is advanced and the window film (150') part is folded so that the overlapping part of the edge end of the two-ply film has a heating device and a cooling bar (3). After the heat-sealed and trimmed by the cutting device 4, the edge heat-sealed portion is folded in two layers so as to be located on the rear body 130-2.

Body film (a) folded in two layers so that both sides of the three-pack packaging bag (100 ") is formed, both sides edges folded by the side forming apparatus 5 is the front body (130-1) and the rear body (130-2) In other words, both sides are folded so that the part of the ventilation window 140 ′ becomes the front body 130-1 and the trimmed cut edge becomes the rear body 130-2. Form both sides of the body.

 The body film (a) folded in two layers with the two side bodies formed is fused by placing the upper and lower portions of the folded both sides between the front body 130-1 and the rear body 130-2, that is, the inside of the body 130. At the same time, the edge of the lower portion folded by the device 3 ', the front body 130-1 and the rear body 130-2 are thermally fused to form the lower heat fusion portion 120, and then to the cutting device 4'. After the trimming is cut by the winding-up roll 6 is wound.

The body film (a) formed with the lower heat fusion unit 120 is wound in the form of a take-up roll and the contents are filled in the inner space in the food company, and then sealed after the upper heat fusion unit 120 is formed by a fusion device and a cutting device. do.

The blanking device 20 is configured in the plate-shaped base 11 and is formed in the rear of the rotary feeder 30, in front of the sheet dissolving roll 12 and the tensioning device 14, and in the sheet dissolving roll 12. The window films 150, 150 ', and 150 "are blanked from the sheet film (b).

The blanking device 20 includes windows 140, 140 ′ and 140 formed on a surface of one surface of the front body 130-1 or the rear body 130-2 of the packaging bags 100, 100 ′ and 100 ″. Blanking the film to be thermally fused to "), and the blanked partial film is used as the window films 150, 150 ', and 150 ", and the punching film c, the remaining film after the blanking, is fixed to the base 11 and centered about the central axis. The rotating is wound around the sheet winding roll 13.

The blanking is to cut a certain shape, that is, window film 150, 150 ', 150 "from the sheet film b, and use it as a product, and the punching in the punching device 2 is a body. In the film (a), a certain shape, that is, after drilling a hole corresponding to the window, the film material from the drilled window is discarded and the windowed film is used.

The tension film is rotated by being configured at the ends of the tension bar 14-1 and the tension bar 14-1 to which the sheet film b is unwinded from the sheet sea roll roll 12 and is tensioned by a spring. 14-2) is tensioned by the tension device 14 configured to punch the film (c), that is, the window film is separated after the window film (150, 150 ', 150 ") is blanked by the blanking device 20 It winds up by the sheet winding roll 13, and it is taken up.

The sheet turning roll 12 is fixed to the base 11 and rotates about a central axis, and the tension bar 14-1 has one end of the tension roller 14-2 not formed on the base 11. The hinge is fixed to the protruding shaft, one side of the spring is fixed near one end of the tension bar 14-1, and the other side of the spring is fixed to the base 11 so that the tension bar 14-1 is actuated by the action of the spring. The sheet film b, which is actuated and released from the sheet roll roll 12, is tensioned while being supplied to the blanking device 20.

The blanking device 20 has a blanking frame 25 protruding from the base 11, a lifting die 21 for elevating in the blanking frame 25, and a circumferential shape formed at an end of the lifting die 21. The upper and lower through holes 22-1 through which the rod 24 and the window film 150, 150 ′, 150 ″, which are fixed to the lower portion of the blanking frame 25 and which the rod 24 is moved in and out, are blanked. ) Is composed of a fixed die 22 configured.

The blanking frame 25 is composed of three bar-shaped horizontal blanking frames and four bar-shaped vertical blanking frames, and two vertical blanking frames protrude in the plane of the base 11 and the other two vertical blanking frames. Is spaced apart in parallel to two vertical blanking frame, the horizontal blanking frame is configured to connect the upper part of the vertical blanking frame, the fixed die 22 is configured to connect the lower part of the vertical blanking frame blanking frame 25 And the overall shape of the fixing die 22 are formed in a lattice shape.

Two vertical blanking frames protruding in the plane of the base 11 may not be configured in this case, one side of the horizontal blanking frame and the fixed die 22 is directly fixed to the base (11).

An actuator 27 composed of a pneumatic cylinder and a cylinder rod and a rod-shaped blanking guide rod 26 are formed on the lifting die 21, and the blanking guide rod 26 is disposed on the upper blanking frame 25. It is comprised in the through hole.

When the cylinder rod is drawn out of the pneumatic cylinder by the operation of the actuator 27, the blanking guide rod 26 is lowered by the guide of the through hole of the upper blanking frame 25, and the lowering of the blanking guide rod 26 The rod 24 and the lifting die 21 are lowered by this.

The sheet film b is placed on the fixing die 22, and the rod 24 passes through the through-hole 22-1 by the lowering of the riding die 21 so that the window film is formed in the sheet film b. (150, 150 ', 150 ") is blanked, that is, the window films 150, 150', 150" having the same shape as the cross section of the rod are cut out from the sheet film b.

The pressing die 23 is configured inside the blanking frame 25 and is configured on the top of the fixed die 22, and the upper and lower through holes through which the rod 24 passes.

The pressing die 23 is configured on the upper part of the fixed die 22, the body film (a) that is unsealed from the sheet sea roll roll 12 passes through the tension device 14, the fixed die 22 and the pressure die ( While passing between 23, it is placed in the pressing die 23 and the fixed die 22. At this time, the bottom surface of the pressing die 23 and the upper surface of the fixed die 22 is formed in a flat surface so that the pressing die 23 and the fixed die 22 press the sheet film b to move the sheet film b. In this state, the actuator 27 is operated so that the window film 150, 150 ′, 150 ″ is blanked in the sheet film b by inserting the rod 24 into the through hole of the pressing die 23. .

When the rod 23 is lowered by the actuator 27, the rod 23 is further lowered and fixed while the pressing die 23 first presses the sheet film b so that the sheet film b does not move. The window film 150, 150 ', 150 "is blanked from the sheet film b by penetrating the through hole of the die 22. When the rod 23 is raised, the rod 23 is raised a little earlier and then the pressing die ( 23) rises.

As the lifting die 21, the blanking guide rod 26 and the rod 24 are lowered by the operation of the actuator 27, the rod 24 passes through the through-hole of the pressing die 23 and the sheet film b. Blanking to form the window films 150, 150 ', 150 ", and the window films 150, 150', 150" are inserted into the through holes 22-1 of the fixed die 22 like the rod 24. And then fall down to be seated in the seating groove 35 of the rotary feed bar 31 of the rotary feeder 30, and the shape of the window films 150, 150 ', 150 "is the same as that of the cross section of the rod 24. Becomes plate-shaped.

The rotation transfer device 30 is configured on the base 11 and receives the window film 150, 150 ′, 150 ″ which is configured and blanked behind the suction fusion device 40, that is, in front of the blanking device 20. Settle and transfer the window films 150, 150 ', 150 "by rotation.

A series of devices and blanking devices 20 for forming a body 130 such as the punching device 2, the fusion device 3, 3 ', the cutting device 4, 4' and the side forming device 5, The device for forming the window films 150, 150 ′, 150 ″ such as the blanking device 20 and the suction fusion device 40 is configured separately, and the window films 150, 150 ′, 150 ″ are attached to the body 130. Since the blanking device 20 and the suction fusion device 40 are configured to be spaced apart at regular intervals, the window films 150, 150 ′, 150 ″ of the window film 150, 150 ′, 150 ″ are formed in the suction fusion device 40. Or the transfer device 30 transfers the window films 150, 150 ′, 150 ″ blanked by the blanking device 20 to the suction fusion device 40 so as to be thermally fused to the vent windows 140 ′, 140 ″. do.

The rotational transfer device 30 includes a transfer frame 34 protruding from the base 11, a transfer motor 32 fixed in the transfer frame 34, and a rotation shaft 33 of the transfer motor 32. It is composed of a bar-shaped rotational transfer bar 31 is configured and configured on the outside of the base (11).

The transfer frame 34 is composed of three upper horizontal transfer frames of the bar shape, three lower horizontal transfer frames of the bar shape and four vertical transfer frames of the bar shape, and the two vertical transfer frames of the base 11 Protruding in the plane and the other two vertical frame is spaced parallel to the two vertical frame, the upper horizontal frame is configured to connect the upper portion of the vertical frame and the lower horizontal frame is the lower portion of the vertical frame Is configured to connect the overall shape of the transport frame 34 is configured in a grid.

The transfer motor 32 is fixed to the inside of the grid-shaped transfer frame 34 and the rotating shaft 33 of the transfer motor 32 is configured to protrude out of the lower horizontal transfer frame. Two vertical transfer frames protruding in the plane of the base 11 may not be configured in this case, one side of the upper and lower horizontal transfer frame is directly fixed to the base (11).

The rotary transfer bar 31 is configured at the end of the rotary shaft 33 of the transfer motor 32 is composed of a plate-shaped bar shape formed on the outside of the base 11 and is mounted as a groove on the upper surface near the both ends The groove 35 is configured, and the seating groove 35 seats the window films 150, 150 ′, 150 ″ blanked by the blanking device 20.

The rotary transfer bar 31 is rotated by the rotation of the transfer motor 32, the one end mounting groove 35 of the rotary transfer bar 31 is a through hole of the fixing die 22 of the blanking device 20 ( 22-1) and the other end seating groove 35 of the rotary transfer bar 31 is configured to be located at the bottom of the fusion column 42 of the suction fusion device (40). .

When the transfer motor 32 is rotated by 180 °, the one end mounting groove 35 of the rotary transfer bar 31 positioned at the bottom of the through hole 22-1 of the fixed die 22 is suction suction fusion device 40. The seating groove 35 of the other end of the rotary feed bar 31 located at the bottom of the fusion column 42 and the bottom of the fusion column 42 of the suction welding device 40 is fixed die 22. Is located at the bottom of the through hole 22-1.

The rotary feed bar 31 is rotated by 180 ° to the seating groove 35 of the rotary feed bar 31 located at the bottom of the through hole 22-1 of the fixing die 22 of the blanking device 20. Seated blanked window films 150, 150 ′, 150 ″ are located at the bottom of the fusion column 42 of the suction fusion device 40 and thermally fused to the windows 140, 140 ′, 140 ″ of the body 130. To be.

While the window films 150, 150 ′ and 150 ″ positioned at the bottom of the fusion splicing 42 are adsorbed by thermal suction welding by the suction fusion device 40, the blanking device 20 is formed by the window film ( The blanking of the window films 150, 150 ', 150 "and the thermal bonding of the body 130 of the window films 150, 150', 150" are simultaneously performed.

After the blanking of the window films 150, 150 ′, 150 ″ and the thermal fusion of the body 130 of the window films 150, 150 ′, 150 ″ are completed, the rotation transfer bar 31 is rotated again by 180 °. At the time when the end positions of the rotation transfer bar 31 are changed from each other, that is, when the rotation transfer bar 31 is rotated by 180 °, the body film a is advanced and the 180 ° rotation of the rotation transfer bar 31 is performed. When complete, the body film (a) is stopped.

That is, the body film (a) does not move forward while stationary while blanking the window films (150, 150 ', 150 ") and heat-sealing the body (130) of the window films (150, 150', 150"). So that the blanking and heat fusion is smooth.

While the rotary transfer bar 31 is rotated 180 °, the body film a is transferred, and the body 130 to which the window films 150, 150 'and 150 "are thermally fused is advanced in the sheet winding roll 13 direction. When the rotation of the rotary transfer bar 31 is stopped, the body 130 to which the next window films 150, 150 ′ and 150 ″ are to be heat-sealed is positioned in the blanking device 20. The rotation transfer bar 31 receives the window film 150, 150 ′, 150 ″ from the blanking device 20 while intermittently repeating 180 ° rotation and stop, and transports the horizontal rotation to the suction fusion device 40. do.

The suction fusion device 40 is negative pressure adsorption of the window film (150, 150 ', 150 ") configured and transported to the base 11 in front of the rotary transfer device 30 by an air vacuum device The window 60 (150, 150 ', 150 ") on the body 130 of the packaging bag (100, 100', 100") is formed of the straw window 140 or the ventilation window (140 ', 140 ") heater 60 By heat fusion.

The plant factory is connected to the air vacuum pump (air vacuum pump) and the vacuum pipe which is separately configured in the window forming apparatus 10 to generate a negative pressure in the suction welding device 40 by the operation of the vacuum pump and suction welding device 40 is to absorb the window film (150, 150 ', 150 ") by the negative pressure. The heater 60 is composed of a heating wire configured inside the end of the fusion splicing 42 and is electrically connected and energized The heat is generated to raise the temperature at the end of the fusion column 42.

The window films 150, 150 ′, 150 ″ have the same shape as the straw window 140 or vent windows 140 ′, 140 ″ and only around the straw window 140 or vent windows 140 ′, 140 ″. Since the window film 150, 150 ', 150 "is consumed in a small amount, the heat fusion area is small, thereby saving electricity consumption.

The suction welding device 40 is a fusion body (48) composed of a fusion frame 48 protruding from the base 11, and the suction hole 46 is elevated in the fusion frame 48 and configured in the inner direction at the outer diameter And a pipe-shaped fusion column 42 formed at the end of the fusion body 41 and configured with a suction passage 45 formed in communication with the suction hole 46.

The air vacuum pump is connected to the vacuum pipe, the air vacuum pipe is connected to the suction fusion device 40, that is, the suction hole 46 of the fusion body 41 to generate a negative pressure in the vacuum pipe by the operation of the air vacuum pump When the air in the suction passage 45 formed in the fusion body 41 is sucked by the air vacuum pump by the negative pressure, negative pressure is generated in the suction passage 45.

Due to the negative pressure of the suction passage 45, the suction fusion apparatus 40, that is, the window films 150, 150 ′ and 150 ″ positioned below the suction passage 45 is adsorbed to the lower end of the fusion column 42. After the window films 150, 150 ′, 150 ″ are seated on the body 130, the negative pressure is removed so that the window films 150, 150 ′, 150 ″ are separated from the fusion column 42 to allow the window films 150. , 150 ', 150 ").

The fusion body 41 is integrally formed at the end of the actuator 44 formed on the outer upper portion of the fusion frame 48 and integrally at the end of the fusion guide rod 47 which is elevated by the guide of the fusion frame 48. It consists of.

The fusion frame 48 is composed of three horizontal fusion frame of the bar shape and four vertical fusion frame of the bar shape, two vertical fusion frame protruding in the plane of the base 11 and the other two vertical fusion frame Is spaced apart in parallel to the two vertical fusion frame, the horizontal fusion frame is configured to connect the upper portion of the vertical fusion frame, the fusion die 49 is configured to connect the lower portion of the vertical fusion frame fusion frame 48 The overall shape of the fusion die 49 is formed in a lattice shape.

The two vertical fusion frames protruding in the plane of the base 11 may not be configured in this case, the horizontal fusion frame and one side of the fusion die 49 is directly fixed to the base 11, fusion die 49 In this case, three lower horizontal fusion frames of bar shape are configured, and the lower horizontal fusion frame is configured to connect the lower part of the vertical fusion frame, so that the overall shape of the fusion frame 48 is a lattice shape. It is composed.

The fusion body 41 is formed integrally with the lifting die 43, the actuator 44 composed of a pneumatic cylinder and a cylinder rod on the lifting die 43, that is, the lifting device and the rod-shaped fusion guide rod 47 is The fusion guide rod 47 is configured in the through hole vertically penetrated through the upper fusion frame 48.

When the cylinder rod is drawn out of the pneumatic cylinder by the operation of the actuator 44, the fusion guide rod 47 is lowered by the guide of the through hole of the upper fusion frame 48, and the lowering of the fusion guide rod 47 is performed. As a result, the lifting die 43, the fusion body 41, and the fusion column 42 are lowered.

An actuator 44 consisting of a pneumatic cylinder and a cylinder rod and a rod-shaped fusion guide rod 47 are formed on the lifting die 43, and the fusion guide rod 47 is vertically penetrated through the upper fusion frame 48. It is comprised in a through hole.

When the cylinder rod is drawn out of the pneumatic cylinder by the operation of the actuator 44, the fusion guide rod 47 is guided by the through hole of the upper fusion frame 48, and the lifting die 43 and the fusion guide rod 47 ) Is lowered and the fusion body 41 and the lifting die 43 are lowered by the lowering of the fusion guide rod 47. That is, the fusion body 41, the fusion guide rod 47 and the fusion column 42 is elevated by the operation of the actuator 44.

A bar shape having a cooling path 51 in which cooling means are circulated so that the window film 150, 150 ′, 150 ″ heated by the fusion column 42 may be cooled below the fusion column 42. The cooling bar 50 of this is comprised.

The cooling bar 50 cools the window films 150, 150 ′ and 150 ″ heated in the fusion column 42 to ensure that the thermal fusion unit 120 is fused and the cooling unit 51 is a cooling means. Cooling water is circulated to absorb heat of the fusion portion of the window films 150, 150 ′, and 150 ″. When the heat-sealed portion 120 that is heated between the cooling bar 50 and the fusion die 49 passes, the cooling bar 50 closely contacts the heat-sealed portion 120 to maximize the cooling effect.

The fusion column 42 is lowered in contact with the window film 150, 150 ', 150 "at the end and positioned between the fusion die 49 and the cooling bar 50 to contact the cooling bar 50. When the operation of the air vacuum pump of the air conditioner is stopped, the window films 150, 150 ', 150 "are placed on the upper surface of the cooling bar 50, and in this state, the fusion column 42 is lowered and the window film ( 150, 150 ′, 150 ″ are pressed to thermally bond the window films 150, 150 ′, 150 ″ to the body 130 of the straw window 140 or vent windows 140 ′, 140 ″.

At this time, the heater 60 is heated as an electrically energized state, and the fusion column 42 is also in a heated state. That is, the fusion fusion 42 is adsorbed to the end of the window film (150, 150 ', 150 ") is lowered in contact with the cooling bar 50, the window film (150, 150', 150") to the body 130 Heat-sealed at the same time and the cooling bar 50 is the heat-sealed window film (150, 150 ', 150 ") at the same time cooling.

The fusion die 49 is configured in the lower portion of the fusion frame 48, the fusion die 49 is composed of a vertical through hole through which the fusion column 42 penetrates. The fusion die 49 is configured on the upper portion of the cooling bar 50, and the body film (a) to be unsealed by the body film unwinding roll (1) is a straw window 140 or aeration window 140 in the punching device (2) 140 "is punched and placed in the cooling bar 50 to allow the window films 150, 150 ', 150" to be fused while passing between the fusion die 49 and the cooling bar 50.

At this time, the bottom surface of the fusion die 49 and the upper surface of the cooling bar 50 is composed of a flat surface to minimize the movement of the fusion die 49 and the cooling bar 50 by pressing the body film (a). Actuator 44 is operated in the fusion fusion 42 is the window film (150, 150 ', 150 ") heat-sealed in the body film (a), the cooling film 50 is heat-sealed window film 150, 150 ', 150 ").

The present invention is the sheet sea roll roll 12, the blanking device 20, the rotary feeder 30, the suction fusion device 40 and the window film winding roll 13 formed the window film (150, 150 ', 150 ") All devices such as) can be applied to a variety of production systems for producing packaging bags, and the adsorption and heat fusion of window films (150, 150 ', 150 ") are carried out at the same time. Is simple and the process is reduced.

The terms or words used in the specification and claims of the present invention are not to be construed in a common or dictionary sense, and the inventors may appropriately define the concept of terms in order to explain their invention in the best way. On the basis of this point, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention.

Therefore, the embodiments described in the detailed description of the present invention and the configuration shown in the drawings are only the most preferred embodiments of the present invention, the scope of the present invention is not limited to the described embodiments and should be determined at the time of filing the present invention. It is to be understood that modifications may be made or may exist and should be determined by the equivalents of the claims.

1: body film roll roll 2: punching device
3, 3 ': fusion device 4, 4': cutting device
5: side forming device 6: bag winding roll
10: Window Forming Device 11: Base
12: sheet roll roll 13: sheet roll roll
14: tension device 14-1: tension bar
14-2: tension roller 20: blanking device
21, 43: lifting die 22: fixed die
22-1: through hole 23: pressure die
24: Rod 25: Blanking Frame
26: blanking guide rod 27, 44: actuator
30: rotary feeder 31: rotary feed bar
32: feed motor 33: rotation axis
34: transfer frame 35: seating groove
40: suction fusion device 41: fusion body
42: fusion column 45: by suction
46: suction hole 47: fusion guide rod
48: fusion frame 49: fusion die
50: cooling bar 51: cooling furnace
60: Heater 100, 100 ', 100 ": Packing bag
120: heat seal 130: body
130-1: Front Body 130-2: After Body
140: straw window 140 ', 140 ": ventilation window
150, 150 ', 150 ": window film a: body film
b: sheet film d: punching film

Claims (10)

In the window forming apparatus of the packaging bag composed of a window in the packaging bag, heat-sealed the window film in the window, the base is configured,
A fusion body configured to have a fusion frame protruding from the base, and a suction hole which is lifted in the fusion frame and configured to have an inner diameter at an outer diameter;
The window film constituted by a pipe-shaped fusion column composed of a suction passage configured to communicate with a suction hole and formed at the end of the fusion body by negative pressure adsorption by means of an air hole, and the window film is heated by a heater on a body of a packaging bag having a window. A suction welding device for welding;
Window forming apparatus for packaging bags, characterized in that consisting of a bar-shaped cooling bar consisting of a cooling path circulating the cooling means therein so that the window film heated by the fusion column in the lower portion of the fusion column.
delete The method of claim 1,
And a rotation transfer device configured to receive the window film formed on the base and arranged behind the suction fusion device and receive the blanked window film to transfer the window film by horizontal rotation.
The method of claim 1,
The fusion body is integrally formed at the end of the actuator configured on the outer upper portion of the fusion frame and integrally formed at the end of the fusion guide rod to be elevated by the guide of the fusion frame;
The welding body and the fusion guide rod is a window forming apparatus for packaging bags, characterized in that the lifting by the operation of the actuator.
The method of claim 3,
The rotary transfer device is characterized in that the packaging comprises a transfer frame protruding from the base, a transfer motor fixed in the transfer frame, and a bar-shaped rotation transfer bar configured on the rotating shaft of the transfer motor and configured on the outside of the base. Bag forming device.
delete The method of claim 5,
The rotation transfer bar is formed in a plate shape, the window forming apparatus of the packaging bag, characterized in that the seating groove is composed of a groove on the upper surface near the both ends.
The method according to claim 4 or 7,
And a blanking device configured to blank the window film in the sheet film which is configured on the base and is formed at the rear of the rotary conveying apparatus and is unwound in the sheet unwinding roll.
The method of claim 8,
The blanking device comprises: a blanking frame protruding from the base, a lifting die lifting up and down within the blanking frame, a circumferential rod configured at the end of the lifting die, and a window fixedly fixed to the lower part of the blanking frame and having a rod in and out of it. It consists of a fixed die consisting of upper and lower through holes through which the film passes;
And a sheet film placed on an upper portion of the fixed die, and a rod passing through a through hole so that the window film is blanked in the sheet film.
The method of claim 9,
A compression die further configured in the blanking frame and configured at an upper portion of the fixed die and configured with a vertically penetrating through hole through which a rod penetrates;
And a sheet film is placed between the fixed die and the pressing die, and a rod passes through a through hole of the pressing die so that the window film is blanked in the sheet film.

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