KR20100129119A - Sealing apparatus for weaving or film bag of synthetic resin - Google Patents

Abstract

PURPOSE: A sealing apparatus for woven synthetic resin or film sacks is provided to improve productivity by reduction in unnecessary processes, since sacks are transferred in a specific direction. CONSTITUTION: A sealing apparatus for woven synthetic resin or film sacks comprises a sack transfer unit(100), a sack sealing unit(200), and a transferring assist unit(300). The sack transfer unit transfers woven synthetic resin or film sacks(700) in a specific direction on a conveyer belt(600). The height of the sack sealing unit is automatically controlled according to the thickness of the sack. The sack sealing unit transmits ultrasonic vibration to consecutively seal the edge of the sack. Settling grooves of the sack sealing unit are consecutively formed along the edge of the sack. The transferring assist unit aligns the sacks and transfers the sacks in a specific direction.

Description

SEALING APPARATUS FOR WEAVING OR FILM BAG OF SYNTHETIC RESIN}

The present invention relates to a synthetic resin weaving or film bag sealing apparatus, by applying the ultrasonic vibration from the upper side to the edge of the synthetic weave or film bag by the bag conveying unit and the bag sealing unit interlocked with the drive motor and sealing treatment The present invention relates to a synthetic resin-based weaving or film bag sealing apparatus that improves productivity by shortening unnecessary processes by adopting a configuration in which the transfer aid is arranged in a one-way transfer without twisting.

Generally, a synthetic resin bag may be divided into a film bag that is largely extruded from synthetic resin and formed into a film form, and a synthetic bag made of a stretched yarn and woven bag.

In general, the synthetic textile weaving bag adopts a method of extruding and molding the synthetic resin, then sealing the edge with a heater (hereinafter, 'heat sealing') and accommodating the contents.

Heat sealing is a method in which the parts to be sealed are melted while the surface of the object is melted, and then sealed through solidification and recrystallization when cooled through diffusion and mixing of the welded parts.

However, when heat-sealing a film bag, the sealing state is sensitive to a set temperature and the sealing state becomes uneven according to the sealing speed, and depends on the thickness change of the film during the operation.

In addition, since there are many factors (temperature, speed, temperature difference due to seasonal variation, film thickness) that affect the sealing adhesive strength, the sealing quality is determined by the operator's experience. There is a problem that a large amount of) occurs.

In addition, the energy consumption of the heater is relatively high.

On the other hand, the bag of the form of the woven fabric produced by the stretched yarn not in the form of the extruded film as described above when the heat sealing to pressurize the edge by applying heat to the hole (h) in the sealed portion as shown in FIG. Problems such as twisting or twisting (t) have occurred.

This is because the heat is not evenly transferred by the heat sealing over the woven bag, and the thickness of the woven bag is not uniform, that is, the thickness of the woven part is not uniform, and if the heat is applied directly, the bag surface is warped. The part to which heat is severely applied is a problem such as a hole being drilled.

In addition, in the case of the woven bag, it may be said that the same problem as that of FIG.

And the synthetic resin weaving bag as described above was to fold the edges as shown in Figure 2 and to sew with a sewing thread (s) to accommodate the contents, but also in the above method also to prepare additional materials such as sewing thread in addition to the synthetic resin weaving bag. In addition to the need to do, there was a problem that additional cumbersome procedures such as folding and sewing the edges occur.

Therefore, the finishing method of the synthetic resin weaving bag as described above requires an additional process of folding and sewing the edges in addition to the fabrication of the bag, so that the cost increases due to additional labor and production time, and the limitation of mass production of the product. This was there.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a synthetic resin-based weaving or film bag sealing apparatus that can improve productivity by shortening unnecessary processes.

In order to achieve the above object, the present invention is arranged on the lower side of the frame is connected to the drive motor to rotate in one direction is connected to the plurality of synthetic resin-based weaving or film bag on the conveyor belt to rotate interlocked in one direction, and A bag transfer unit mounted on the upper side of the frame; On the upper side, the height is automatically adjusted according to the thickness of the bag, and the ultrasonic vibration is applied to continuously seal along the edge of the bag, and at the same time, the edge of the bag being sealed while interconnected with the driving motor is interlocked and rotated. Continuously forming a binding groove along, the bag sealing portion mounted to the upper side of the frame; And a transport auxiliary part for aligning the bag and moving it in one direction while contacting the bag at an upper side in association with a supply of the bag carrying part, wherein the edge of the bag is exposed from the conveyor belt and is provided by the bag sealing part. It is characterized in that the sealing process.

Here, the bag conveying unit is coupled to the upper side of the frame so as to rotate in one direction along the conveying direction of the bag, the conveyor belt is mounted along the outer circumferential surface, connected to each other by the inlet and outlet conveying rollers, A feed pulley mounted at an end of the feed roller and belt-connected to the driving motor, and reciprocally moved along the conveying direction of the bag, and coupled to an end of the rotating shaft of the outlet feed roller, It is made of a tension adjusting means for maintaining the tension, it is preferable that the bag sealing portion is disposed between the inlet and outlet feed roller.

At this time, the tension adjusting means is mounted on the exit conveying roller side of the frame, the bracket having a rail for coupling the end of the rotation axis of the outlet conveying roller in the bag conveying direction so as to reciprocate movement, and the outlet conveying roller It is made of a tension adjusting rod mounted on the end of the rotary shaft and coupled to the tension adjusting piece and the tension adjusting piece to reciprocate on the rail, the end is provided with a screw end is fixed to the bracket.

The bag sealing part is rotatably coupled in one direction between the inlet and the outlet feed rollers along the conveying direction of the bag, and a sealing pulley provided at an end is belt-coupled with the driving motor to interlock with the feed pulley. A sealing rod, an upper sealing unit which is lifted from the upper side of the conveyor belt and seals along the edge of the bag, and is mounted to the sealing rod, and rotates in conjunction with the transfer pulley while continuously engaging the binding groove along the edge of the bag. Characterized in that it consists of a lower sealing auxiliary unit to form.

Here, the upper sealing unit is a sealing body having a vibrator for raising and lowering the cradle mounted on the upper side of the frame and generates ultrasonic vibration, and is mounted on the sealing body end to receive the ultrasonic vibration from the vibrator edge of the bag And an end portion of the sealing horn on the bag while varying in length depending on a thickness of the sealing horn opposite to the lower sealing auxiliary unit mounted to the sealing rotating rod and embedded in the sealing body and connected to and connected to the sealing horn. It is preferable that it consists of a buffer which keeps the pressure applied constant.

In this case, the lower sealing auxiliary unit is mounted to the sealing rotating rod and integrally rotated body, and formed along the outer circumferential surface of the body, and provided with a plurality of binding protrusions along the edge of the binding groove facing each other with the sealing horn It is preferably made of a guide pallet which is attached to the frame along the conveying direction of the bag before and after the forming sleeve and the binding groove forming sleeve to support the edge of the bag to be conveyed.

On the other hand, the conveying auxiliary portion is rotatably mounted to the conveying direction perpendicular to the conveying direction of the bag on the frame and disposed in a line with the bag sealing portion, the compression feed roller which rotates in contact with the bag on the conveyor belt, And a feed auxiliary roller mounted on the frame in parallel with the pressing feed roller and rotating in contact with the sealed bag.

According to the present invention of the configuration as described above, by forming a binding groove along the edge of the synthetic resin weaving or film bag while the sealing treatment by the ultrasonic vibration to adopt the configuration to transfer one-way without twisting the bag supplied by conventional synthetic resin Compared to edge weaving or film bag edge finishing methods, unnecessary processes and labor can be minimized so that a series of tasks can be processed quickly and continuously, thereby significantly improving productivity.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

3 and 4 show the overall configuration of the synthetic resin-based weaving or film bag sealing apparatus according to the present invention, as shown in the present invention is a bag conveying unit for largely conveying the bag 700 on the conveyor belt 600 in one direction 100, a bag including a bag sealing part 200 for sealing the edge of the bag 700 and a transfer aid 300 for preventing the twisting of the bag 700 to be sealed and assisted with the transfer. have.

Here, the bag 700 disposed on the bag conveying part 100 and conveyed in one direction has an edge exposed from the conveyor belt 600 to be sealed by the bag sealing part 700.

Bag carrying unit 100 according to the present invention is mounted on the lower side of the frame 400 is connected to the drive motor 500 to rotate in one direction is interconnected and rotated on the conveyor belt 600 to rotate interlocked with synthetic resin stretched weaving or extrusion film form Arrange a plurality of bags formed in the shape to serve to transfer in one direction, mounted on the upper side of the frame 400 and large inlet and outlet conveying rollers (110, 120), conveying pulley 130 and tension It consists of the adjusting means 140.

The inlet and outlet conveying rollers 110 and 120 are connected to each other by a chain belt cb along the conveying direction of the bag 700 on the upper side of the frame 400 so as to be rotatable in one direction, and the conveyor belt ( 600 is mounted along the outer circumferential surface and connected to the driving motor 500 and the mutual belt (b) so as to be interlocked and rotated. The plurality of bags 700 are conveyed according to one direction movement of the conveyor belt 600. will be.

The feed pulley 130 is mounted at the end of the feed shaft 110 ′ on which the inlet feed roller 110 is mounted, and is connected to the drive pulley 510 of the drive motor 500 by a mutual belt (b). The driving force from the motor 500 is transmitted for the movement of the conveyor belt 600.

In addition, the tension adjusting means 140 is mounted to reciprocate along the conveying direction of the bag 700 and is coupled to the rotary shaft end of the outlet conveying roller 120 to maintain the tension of the conveyor belt 600. To play a role, it is largely composed of a bracket 142, the tension adjusting piece 144 and the tension adjusting rod 146.

Here, the bracket 142 is mounted on the outlet feed roller 120 side of the frame 400, as shown in Figure 5, and reciprocating the end of the rotation axis of the outlet feed roller 120 in the bag 700 along the transport direction Having a rail 141 to be movable, it is to serve to support the movement of the tension adjusting piece 144 to be described later and the fixing of the tension adjusting rod 146 end.

The tension adjusting piece 144 is mounted on the end of the rotary shaft of the outlet feed roller 120 to reciprocate on the rail 141, the tension adjusting rod 146 is coupled to the tension adjusting piece 144 End bracket 145 is screwed through the bracket 142 is provided at the end.

Therefore, the tension adjusting means 140 is spaced apart from the inlet feed roller 110 in the conveyance direction of the bag 700 of the frame 400 of the outlet feed roller 120, the inlet and outlet feed roller 110, 120) After adjusting the tension of the belt connecting each other to an appropriate degree, it is possible to adjust the tension by fixing the end 145 of the end of the tension adjusting rod 146 to the bracket 142.

In this case, the tension adjusting means 140 may release the finish 145 when the belt tension between the inlet and outlet transfer rollers 110 and 120 is loosened for a long time to adjust the tension by repeating the above procedure again. It is.

At this time, it is preferable that the bag sealing part 200 according to the present invention is disposed between the inlet and the outlet feed rollers 110 and 120.

The bag sealing part 200 according to the present invention is mounted on the frame upper side, more specifically, the inlet and outlet feed rollers 110 and 120 and continuously seals along the edge of the bag 700 at the upper side thereof, and the lower part thereof. The binding groove 710 is continuously formed along the edge of the bag 700 at the side thereof, and includes a sealing rotary rod 210, an upper sealing ring unit 220, and a lower sealing auxiliary unit 230. do.

The sealing rotating rod 210 is rotatably coupled in one direction along the conveying direction of the bag 700 between the inlet and outlet conveying rollers (110, 120), the sealing pulley provided at the end of the sealing rotating rod (210) ( 211 is coupled to the upper belt (b) to the drive pulley 510 of the drive motor 500 to rotate in conjunction with the transfer pulley 130, to provide a mounting space of the lower sealing auxiliary unit 230 to be described later do.

In addition, the upper sealing unit 220 ascends at the upper side of the conveyor belt 600 and seals along the edge of the bag 700. More specifically, the upper sealing unit 220 automatically raises and lowers according to the thickness of the bag 700. It is controlled to impart ultrasonic vibration to continuously seal along the edge of the bag 700, and is largely composed of a sealing body 222, a sealing horn 224, and a shock absorber 226.

The sealing body 222 is provided with a vibrator 222 'for lifting and lowering the cradle 221 mounted on the upper side of the frame 400 as shown in FIG. 6 to generate ultrasonic vibrations. Although not specifically illustrated,) is electrically connected to an external power supply and a controller to emit a range of frequencies.

Lifting of the sealing body 222 is implemented by being slidably mounted with the cradle 221, the cradle 221 and the sealing body 222 is a linear motion bearing such as LM guide for fine lifting length adjustment Adopt it.

Here, the vibrator 222 ′ is further preferably provided with a booster 222 ″ for amplifying a range of generated frequency vibrations generated from the vibrator 222 ′ to impart a pressure suitable for sealing.

The sealing horn 224 is mounted at the end of the sealing body 222 to perform the sealing treatment while transmitting ultrasonic vibration from the vibrator 222 ′ to the edge of the bag 700, and is mounted to the sealing rotating rod 210. Will be opposed to the lower sealing auxiliary unit 230 which will be described later.

Here, the ultrasonic fusion by the sealing horn 224 converts electrical energy supplied from an external power source into electrical energy in a specific frequency range, and then converts the electrical energy into mechanical vibration energy by the vibrator 222 ', and then booster 222 ". By amplifying the vibration energy range suitable for the sealing process, the sealing horn 224 repeats a myriad of vibrations in one second while instantaneously generating frictional heat at the edge of the bag 700.

At this time, the frictional heat by the sealing horn 224 is to close the sealing while inducing strong molecular bonds between the synthetic resin constituting the bag 700 at the edge of the bag 700 instantaneously.

In addition, the shock absorber 226 is built in the sealing body 222 and connected to the sealing horn 224 as shown in FIG. 7 while varying in length depending on the thickness of the bag 700 in close proximity to the sealing horn 224. The end of the serves to maintain a constant pressure applied to the bag 700.

That is, the shock absorber 226 does not matter in the case where the two ends of the bag is a two-fold in the '<' shape according to the type of the bag to be sealed, both ends are four-ply like the 'Σ' shape and the rest In the case of a bag having two layers in a '=' shape, a thickness change occurs when the bag 700 passes through the sealing horn 224 as the bag 700 is supplied in one direction.

Accordingly, the shock absorber 226 may vary the length slightly according to the thickness change according to the one-way supply of the bag 700 while the end of the sealing horn 224 may apply pressure through the vibration energy to the bag 700 constantly. It's a technical means to play a role.

The upper sealing unit 220 having the above configuration is generally subjected to sealing treatment at the edge of the bag 700 by applying a pressure of 1.5 to 6 kg / cm 2 for 0 to 2 seconds per unit cm in a frequency band of 10 to 20 kHz. Preferably, the sealing treatment is performed under conditions of applying a pressure of 3 to 6 kg / cm 2 for 0.015 to 0.02 seconds per unit cm in the frequency band of 15 to 20 kHz.

In addition, the lower sealing auxiliary unit 230 is mounted to the sealing rotary bar 210 and rotates integrally with the sealing rotary bar 210, more specifically, while rotating in conjunction with the transfer pulley 130 of the bag 700 To form a more solid sealing of the edge of the bag 700 while continuously forming a binding groove (710 (see Fig. 9 below) along the edge), the body 232, the binding groove forming sleeve 234 and the guide pallet 236.

The body 232 is a cylindrical shape that is integrally rotated by being mounted to the sealing rotating rod 210, and provides a space in which the binding groove forming sleeve 234 to be described later is mounted.

The binding groove forming sleeve 234 extends along the outer circumferential surface of the body 232 and includes a plurality of binding protrusions 233 along an edge thereof to be disposed at positions facing each other with the sealing horn 224. do.

In addition, the guide pallet 236 is mounted to the frame 400 along the conveying direction of the bag 700 before and after the binding groove forming sleeve 234, so that the edge of the bag 700 is conveyed. It is to play a supporting role.

Accordingly, the lower sealing auxiliary unit 230 is rotated under the edge of the bag 700 in which the continuous sealing treatment by the upper sealing unit 220 of the upper layer is performed along the portion that is sealed at the edge of the bag 700. The binding groove 710 is continuously formed as the binding protrusion 233.

On the other hand, the transfer aid 300 according to the present invention performs the role of aligning the bag 700 while moving in one direction while contacting the bag 700 in the upper side in conjunction with the supply of the bag 700 transfer unit. It consists of a compression feed roller 310 and the feed auxiliary roller 320 largely.

The pressing feed roller 310 is rotatably mounted at right angles to the conveying direction of the bag 700 on the frame 400 and the bag sealing part 200, more specifically of the upper sealing unit 220. It is disposed in line with the sealing body 222, and rotates in contact with the bag 700 on the conveyor belt 600.

The pressing feed roller 310 is mounted to prevent the bag 700 which is conveyed during the sealing process by the sealing horn 224 and the binding groove forming sleeve 234 from being twisted in one direction. Preferably it is coupled to the sealing body 222 and integrally interlocked to interlock with the shock absorber 226 of the sealing body 222.

Then, the feed auxiliary roller 320 is mounted on the frame 400 in parallel with the pressing feed roller 310 as shown in FIG. 8 while rotating in contact with the bag 700 is sealed treated 700. It may serve to transfer in one direction may be flexibly responded to the thickness change that occurs when the transfer of the overlapping bag as described above connected to the buffer cylinder 324 connected to the support bracket 322 of the upper side.

Here, the feed auxiliary roller 320 is in contact with the guide roller 330 further provided on the lower side of the conveyor belt 600 to assist the transfer of the table 700 in one direction on the conveyor belt 600. It is preferable.

Hereinafter, the operation of the synthetic resin-based weaving or film bag sealing apparatus according to the present invention having the configuration described above will be briefly described with reference to the above-mentioned drawings.

First, the operator arranges the bag 700 on the conveyor belt 600, and exposes the edge of the bag 700 to be sealed from the conveyor belt 600, and then turn the power on the drive motor 500 When operating, the conveyor belt 600 is moved to transfer the bag 700 in one direction.

At the same time, the operator is coupled to the sealing body 222 and the sealing body 222 mounted on the cradle 221 on one side of the frame 400 to contact the bag 700 by a controller (hereinafter, not shown) operation. The feed roller 310 is lowered.

Subsequently, the operator converts the ultrasonic waves of a set frequency band, preferably 15 to 20 kHz, into vibration energy through the vibrator 222 ′ of the sealing body 222 by the controller operation, and the bag 700 through the sealing horn 224. ) Seal along the edges.

At the same time, the sealing groove forming sleeve 234 of the lower sealing auxiliary unit 230 connected with the conveyor belt 600 also rotates at the same speed as the conveyor belt 600 at the lower side of the frame 400. The binding groove 710 is continuously formed at the lower side along the edge of the bag 700 where the sealing process by 224 is performed.

In addition, the pressing feed roller 310 coupled with the sealing body 222 is pushed in one direction while pressing the rotation of the bag 700, the feed auxiliary roller 320 mounted in parallel with the pressing feed roller 310 In addition, the bag 700, which has been sealed, is contact-rotated to be supplied in one direction without being twisted in alignment.

As described above, it can be seen that the present invention has as its basic technical idea to provide a synthetic resin-based weaving or film bag sealing apparatus capable of shortening unnecessary processes to improve productivity.

In addition, in the case of a bag made of a fabric in which kraft paper is laminated to a bag fabric woven with a stretched yarn of synthetic resin, to those skilled in the art within the scope of the basic technical idea of the present invention. Many other modifications and applications are also possible, such as being capable of sealing with the device accordingly.

1 is a photograph showing a state of sealing the edge of the synthetic resin woven bag by heat sealing.

Figure 2 is a photograph showing a state of finishing the edge of the synthetic resin woven bag by a conventional method.

Figure 3 is a front conceptual view showing the overall configuration of the synthetic resin-based weaving or film bag sealing apparatus according to the present invention.

Figure 4 is a plan and side conceptual view of a synthetic resin-based weaving or film bag sealing apparatus according to the present invention.

Figure 5 is a conceptual diagram showing the tension adjusting means of the bag conveying portion which is the main part of the present invention.

6 is a conceptual diagram showing the configuration of an upper sealing unit and a lower sealing auxiliary unit of a bag sealing portion which is a main part of the present invention;

7 is a conceptual view showing the configuration of the upper sealing unit of the bag sealing portion that is the main part of the present invention.

8 is a conceptual view showing a feed auxiliary roller of a feed aid, which is a main part of the present invention.

Figure 9 is a photograph showing a state of the edge of the bag subjected to the sealing treatment using a synthetic resin-based weaving or film bag sealing apparatus according to the present invention.

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

100 ... Bag conveyer 110, 120 ... inlet and outlet feed rollers

130 Feed pulley 140 Tension adjusting means

141 ... rail 142 ... bracket

144.Tension Adjuster 145

146.Tension adjusting rod 200 ... Sack sealing

210 ... Sealing rotating rod 211 ... Sealing pulley

220.Top sealing unit 221

222 ... sealing body 222 '... vibrator

222 "... Booster 224 ... Sealing Horn

226 ... shock absorber 230 ... lower sealing auxiliary unit

232 Body 233 Binder

234 ... Staining groove forming sleeve 236 ... Guide pallet

300 ... feed aid 310 ... press feed roller

320 ... feed auxiliary roller 400 ... frame

500 ... Drive motor 600 ... Conveyor belt

700 bags 710

Claims (7)

The plurality of synthetic resin weaving or film bag 700 is disposed on the conveyor belt 600 which is connected to the driving motor 500 rotated in one direction and mounted on the lower side of the frame 400 to rotate in interlocking direction. A bag transfer part 100 mounted on an upper side of the frame 400; The height is automatically adjusted according to the thickness of the bag 700 in the upper side and the ultrasonic vibration is applied to continuously sealing along the edge of the bag 700, and at the same time interconnected with the drive motor 500 and interlocked rotation While forming a binding groove 710 continuously along the edge of the bag 700 which is sealing process, the bag sealing portion 200 is mounted to the upper side of the frame 400; And It includes; and the transfer aid 300 for aligning the bag 700 while moving in contact with the bag 700 from the upper side in conjunction with the supply of the bag 700, the transfer unit in one direction; Edge of the bag 700 is exposed from the conveyor belt 600 is sealed by the bag sealing portion 200, characterized in that the synthetic resin-based weaving or film bag sealing device. The method of claim 1, The bag transfer unit 100, The inlet and outlet are respectively coupled to the upper side of the frame 400 so as to be rotatable in one direction along the conveying direction of the bag 700, and the conveyor belt 600 is mounted along the outer circumferential surface thereof and connected to each other by a belt. Rollers 110 and 120, A feed pulley 130 mounted at an end of the inlet feed roller 110 and connected to the drive motor 500 by a belt; It is made of a tension adjusting means 140 is mounted so as to reciprocate along the conveying direction of the bag 700 and coupled to the end of the rotating shaft of the outlet conveying roller 120 to maintain the tension of the conveyor belt 600 , Sealing device for a synthetic resin-based weaving or film sacks, characterized in that the bag sealing portion 200 is disposed between the inlet and outlet transfer rollers (110, 120). The method of claim 2, The tension control means 140, Is mounted on the exit feed roller 120 side of the frame 400, and provided with a rail 141 for coupling the end of the rotating shaft of the outlet feed roller 120 in a reciprocating direction along the bag 700 transport direction Bracket 142, A tension adjusting piece 144 mounted on an end of the rotary shaft of the outlet feed roller 120 to reciprocate on the rail 141; Synthetic resin-based weaving or film, characterized in that made of a tension adjusting rod 146 is coupled to the tension adjusting piece 144, the screw is coupled to the end 145 is fixed to the bracket 142 at the end Bag sealing device. The method of claim 2, The bag sealing unit 200, The inlet and outlet transport rollers (110, 120) are coupled in one direction rotatable along the conveying direction of the bag 700, the sealing pulley 211 provided at the end is coupled to the belt and the drive motor 500 Sealing rotary bar 210 and the interlocking rotation with the transfer pulley 130, An upper sealing unit 220 which is lifted from an upper side of the conveyor belt 600 and seals along an edge of the bag 700; The lower sealing auxiliary unit 230 is mounted to the sealing rotating rod 210 to continuously form the binding groove 710 along the edge of the bag 700 while rotating interlocking with the transfer pulley 130. Synthetic resin woven or film bag sealing device. The method of claim 4, wherein The upper sealing unit 220, A sealing body 222 having an oscillator 222 'that raises and lowers the cradle 221 mounted on the upper side of the frame 400 and generates ultrasonic vibrations; A seal mounted at an end of the sealing body 222 to transmit ultrasonic vibration from the vibrator 222 ′ to an edge of the forging bag 700, and to face the lower sealing auxiliary unit 230 mounted to the sealing rotating rod 210. Horn 224 and The pressure of the end of the sealing horn 224 is applied to the bag 700 while being variable in length according to the thickness of the bag 700 which is embedded in the sealing body 222 and connected to the sealing horn 224 and is adjacent thereto. Sealing device for a synthetic resin-based weaving or film bag, characterized in that consisting of a buffer 226 to be maintained. The method of claim 5, The lower sealing auxiliary unit 230, Body 232 is mounted to the sealing rotating rod 210 and integrally rotated, A binding groove forming sleeve 234 extending along an outer circumferential surface of the body 232 and provided with a plurality of binding protrusions 233 along the edge thereof to face the sealing horn 224. Before and after the binding groove forming sleeve 234 is mounted to the frame 400 along the conveying direction of the bag 700, the guide pallet 236 supporting the edge of the bag 700 to be transported Sealing device for synthetic resin weaving or film bag, characterized in that made. The method of claim 1, The transfer assistant 300, Rotatably mounted on the frame 400 in a direction perpendicular to the conveying direction of the bag 700 and disposed in a line with the bag sealing part 200, and the bag 700 on the conveyor belt 600. Compression feed roller 310 that rotates in contact with, Mounted in parallel with the pressing feed roller 310 on the frame 400 is made of a feed auxiliary roller 320 for conveying the bag 700 in one direction while rotating in contact with the sealed bag 700. Synthetic resin weaving or sealing device for film bags.

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