KR20010045788A - Manufacturing System for Rim Band of Net Container - Google Patents

Abstract

PURPOSE: A system for manufacturing an edge band of a net container is provided to make operation of a round band or a square band in a narrow space possible by that the operation of banding is carried out on an automatic line and to improve the productivity of the band and to reduce the cost of manufacturing by that the operation of manufacturing is carried out automatically. CONSTITUTION: The system for manufacturing the edge band of the net container includes an intermittent conveying instrument(100), a selecting and cutting portion(100A), a continuous conveying instrument(200), a material conveying guide portion(300), a round banding machine(400) and a square banding machine(800). The intermittent conveying instrument(100) is composed of an up and down roller for carrying out conveyance and stop of the material(1) guided to a guide hole(101) by winding the material(1) in a winding machine(2). The selecting and cutting portion(100A) is composed of a selecting machine(102) and a cutting machine(103), by which the optional location of the material(1) is selected and cut. The continuous conveying instrument(200) is composed of a roller(201) for carrying out conveyance and stop of the material(1), the first, second and third location sensors(202, 203, 204) and the first stopper(205). The material conveying guide portion(300) is composed of an upper and lower forming roller, the fourth and fifth location sensors(302, 303), a pressing roller(304), a cylinder(305) and the second stopper(306). The round banding machine(400) and the square banding machine(800) move by a front and rear cylinder(400A) and a left and right cylinder.

Description

Manufacturing System for Rim Band of Net Container

The present invention relates to a rim band manufacturing system of a metal mesh container for a kitchen, and to continuously manufacture a circumferential band surrounding the rim of a circular container.

In general, the upper edge of a round or square metal mesh container used for picking up frying or foods in a kitchen, etc., requires the edge band to wrap it since the ends of many metal washing rods protrude upward after completion of the fabrication (weaving) of the metal mesh container. Do. Such a rim band completes a metal mesh container by bending a stainless steel plate to a given diameter through a press die, narrowing the completed band on the upper edge of the metal mesh container, and then performing spot welding. In the method of manufacturing the rim band of the metal mesh container, each material cut to a certain length is put into a press mold to complete a band of a predetermined shape. Since each material needs to be molded, work efficiency is lowered and productivity is lowered. In addition to the increase in manufacturing cost, depending on the shape of the container, each press die for the circular band or square band is installed in a separate position, each has to manufacture the band, there is an economic loss that must be installed in a wide place. Particularly, when the banding process is performed in the state where the front end and the end of the material are not bent, the gap between the front and rear ends of the finished banding becomes very wide. Due to the hassle of narrowing and immaturity of the work, the appearance of the product as well as poor quality brings.

Therefore, it is required to be able to manufacture a circular band or a square band in a narrow space, in particular, the situation is required to reduce the manpower and manufacturing cost by automatically manufacturing the band.

The present invention is to make a series of manufacturing operations automatically to improve the productivity of the band to reduce the manufacturing cost, the bending of the circular band or square band is made in the automatic line round or square band in a narrow space Its purpose is to ensure that work is done.

The present invention is to prevent the collision with the next material during the transport is cut to a certain length of the wound material to facilitate the transfer of the material, and to bend in advance both ends of the material to facilitate the circular bending operation and At the same time, the line and the back end of the material is slightly bent to narrow the gap between the overlapping parts of the band, and after the round banding, the extraction of the completed band is made a technical task.

The present invention for achieving the above object is a stainless steel material is transported and stopped by a predetermined length, and then cut and cut operation step of cutting a certain position and a certain length, and continuous to ensure that the material and the material is transported without collision with each other during transportation Transfer step, step of bending both ends of the material to be stepped in step, the step of preparing the banding work to guide the end of the material to the first guide bar of the circular banding machine, and the end of the material at a certain angle A first banding work step of bending and performing a circular banding, a band completion step of continuously bending a rear end of the material at a predetermined angle, and performing a circular banding, and narrowing the completed band and extracting a confined band. The extraction step, if necessary, the square banding machine reverses the circular banding machine, and the square banding machine is rotated to It characterized by the step made of an alternating circular and square baendinggi to allow early percent.

1 is an overall system configuration of the present invention

Figure 2 is a front view of the intermittent transfer device and the cutting and cutting of the present invention

Figure 3, in the present invention, the front end of the bending material and the material conveying guide portion

Figure 3a is a cross-sectional view of the upper, lower forming roller of the present invention

4 is a front view of the circular banding machine of the present invention.

5 is a plan view of the guide rail installed in the fixing frame of the present invention

Figure 5a is an operating state of the guide rail for shift of the present invention

Figure 6 is a partial cross-sectional front view of the circular banding machine of the present invention

Figure 7 is a perspective view of the guide piece for the front, rear bend of the present invention

8 is a perspective view of the adjusting piece of the present invention

Figure 9a-9c is an operating state diagram of the guide piece for the front, rear bend of the present invention

10a, b is a control piece operating state of the present invention

Figure 11 is a side cross-sectional view of the circular banding machine of the present invention

12 and 13 is a state diagram of the operation of the circular banding machine of the present invention

14 is a front view of the rectangular banding machine described in the present invention

15 is a manufacturing process diagram of the present invention

16 is a state diagram used in the circular band produced by the present invention

Figure 17 is a state diagram used in the rectangular band produced by the rectangular banding machine described in the present invention

18 is a cross-sectional view of the completed band of the present invention.

<Description of the reference numerals for the main parts of the drawings>

1: Material 2: Winding Machine 100: Intermittent Feeding Device

100A: cut and cut 101: guide 102: winder

103: cutter 200: continuous feed unit 201: roller

202: first position sensor 203: second position sensor 204: third position sensor

205: first stopper 300: material both ends bending and material transfer guide

301: up and down forming roller 302: fourth position sensor 303: fifth position sensor

304: press roller 305: cylinder 306: second stopper

400: circular banding machine 401: first guide bar 402: lower frame

403: fixed support piece 404,405: bearing housing

406 ', 407': Upper and lower rollers for 1st banding

408 ', 409': Upper and lower rollers for secondary banding

410,419: Control disc 411,412: Guide piece for bending line and tail

416: second guide bar 417: light sensor 420: adjustment piece

423: moving flight 427: bracket 434: arc guide

440: forward and backward cylinder 443: upper and lower cylinder

500: Front and rear fixed frame 600: Left and right fixed frame

700: Cylinder 700: Shift guide rail

800: square banding machine

The present invention is to transport and stop the stainless steel material by a certain length, and then to cut the transported material for a predetermined length of the cut portion of the cut portion of the cut portion to the desired portion, and to transport the material again by the intermittent transfer device in the stopped state Cutting and cutting operation steps to cut a certain length, and when the first position sensor detects the tip of the cut material, the material is transferred by the intermittent transfer device, and when the tip of the material is detected by the second position sensor, The first stopper detects the position of the workpiece while the end of the leading material is moved by the intermittent transfer device and the leading material is also transferred. Ascends to stop the transfer of the next material tip and at the same time, the first material tip that is continuously transferred is located in the fourth position sensor. The first end stopper is lowered to advance the next material transfer, and the both ends of the material to be bent step by step by the up and down molding roller in order to bend step by step, and the leading edge of the leading material to be transferred 5 When the position sensor detects the transfer of the leading material by the lowering of the pressing roller, the end of the leading material is guided to the first guide bar of the circular bending machine, and the second stopper is lowered to stop the transfer of the next material. The piston is raised by the operation of the cylinder installed on the second guide bar by the optical sensor installed on the second guide bar and detecting the tip of the leading material to be transferred. Primary banding of the circular banding machine with the upper roller for the car banding and the upper roller for the secondary banding of the circular banding machine lowered, Rotate the rollers backward so that the leading edge of the leading material is positioned backwards on one side of the upper and lower rollers for the primary bending of the circular banding machine. Bend the tip of the material located in the upper and lower rollers for the first bending by about 15 ° with the leading bend guide piece (at this time, if the optical sensor detects the tip of the material, the cylinder stopper will be lowered) and then transfer it. Home position), the first bending step in which the end of the material passes through the second guide bar and performs the circular bending between the upper and lower rollers for the second bending of the circular bending machine and the adjusting piece and the guide roller and the arc guide piece, If the end of the material is located at the rear of the upper and lower rollers for the first bending of the circular banding machine, the primary and secondary upper and lower rollers of each of the circular banding machines stop and the cylinder moves backward. The tip is bent about 15 ° by the rear bend guide piece (re-cylinder home position), and then the upper and lower rollers for the primary and secondary bandings of the circular banding machine are operated, and the upper and lower rollers for the secondary banding of the circular banding machine are used. The band completion step to complete the band of the band, and the finished band is fitted to the upper roller shaft for the second banding of the circular banding machine by cylinder operation while the band is wound around the upper banding roller and the second guide of the circular banding machine. Lift the bracket attached to the bearing housing to raise the upper roller and the arc guide piece, and at the same time narrow the front back plate, advance the completed band by the front and rear cylinders with the front back plate clamped, Complete band extraction step of extracting the constricted finished band by raising the rear panel by the cylinder after raising the rear panel upward, and round van A cylinder mounted on the lower frame of the machine reverses the fixing frame of the circular banding machine along the wife rail, rotates the guide rail direction to the square band machine side, and transfers one side of the square band machine to the press roller side for an interview. It consists of alternating steps of round and square banding machines to manufacture.

This invention is demonstrated concretely by an accompanying drawing.

Up and down rollers (operated by the driving of the stepping motor) to wind and feed the material 1 made of stainless steel plate to the winder 2 to perform the transfer and stop of the material 1 guided to the guide 101. An intermittent transfer device 100 configured; Cutting machine for cutting a certain length of the material (1) by the cutting machine 102 and the cutter 103 made of a press die for the material (1) conveyed by the intermittent transfer device 100 and a certain length at the same time Cut and cut portions 100A composed of a 102 and a cutter 103; Continuous feeder consisting of a roller 201 and a first position sensor 202, a second position sensor 203, a third position sensor 204, and a first stopper 205 for conveying and blocking the material 1. 200; The upper and lower forming rollers 301 (four upper and lower rollers are gradually deepened and narrowed gradually by forming the both ends of the material 1 conveyed by the roller 201 through four steps, and gradually forming the yarn ends of the material. 3a) and the upper and lower forming rollers 301, the both ends of the material (1) is short on one side, and the other side is long stepped bending (see Fig. 18) to transfer the material (1), When the four-position sensor 302 detects the front end of the work piece 1, the first stopper 205 is lowered to carry out the next work piece 1, and the first work piece 1 is positioned at the fifth position sensor 303. ), The pressure roller 304 is lowered by the cylinder 305 to guide the first guide bar 401 of the circular banding machine 400, and at the same time, the second A material end bending and a material conveyance guide part 300 configured to lower the stopper 306; A circular banding machine 400 for circular bending the material 1 through the material conveyance guide 300; Circular bending machine 400, the lower frame 402, the lower guide groove is fitted to the guide rail 501 installed on the top of the fixed frame 500, before and after the fixed frame 500 to move the circular bending machine 400 before and after ) And the left and right fixing frame 600 installed at right angles to one side guide rail 501 of the front and rear fixing frame 500 alternately by the lower cylinder 700 at the intersection of the inner rail 601 on one side. By installing the alternate guide rails 701 to be moved to the circular banding machine 400 and the rectangular banding machine 800 alternately to the material transfer guide portion 300 to produce a circular band (B) or square band (B '). The band of the present invention is manufactured by configuring a bending machine shifting means 900. In the above, the circular banding machine 400 and the rectangular banding machine 800 are moved by the front and rear cylinders 400A and the left and right cylinders 800A.

Although the present invention has been described with respect to each of the circular banding machine 400 and the rectangular banding machine 800, the structure of the rectangular banding machine 800 is omitted, only the circular banding machine 400 and the rectangular through the bending machine alternate means (900) It is a technical object of the present invention to exclude the need for a space for manufacturing a separate rectangular band by moving the bending machine 800 alternately to produce a circular band (B) or a rectangular band (B ').

Looking at the specific configuration of the circular bending machine 400, the shaft 406 (407) and the shaft (40) fitted to the bearing housings (404) 405 fitted to the left and right of the fixed support piece (403) at the top of the frame (402). The upper and lower rollers 406 'and 407' for the first bending and the upper and lower rollers 408 'and 409' for the second bending are respectively built in 408 and 409 and the lower rollers for the primary bending are respectively formed. (407 ') the front and rear bending guide pieces (411, 412) of the material formed with the supporting recesses (411', 412 ') on the upper sides of the rear control disk (410), and the control disk ( 410, the piston 415 of the left and right cylinders 414 is installed on the connecting piece 413 coupled to the lower side, and the upper and lower rollers 406 'and 407' and the upper and lower secondary bands The second guide bar 416 is installed between the rollers 408 'and 409', and the material 1 to which the optical sensor 417 installed at the inlet side of the second guide bar 416 is transferred is detected. The piston 418 'of the lower cylinder 418 moves up and down through the hole drilled in the second guide bar 416. And a control piece 420 formed with a support guide groove 420 'for a desired band diameter on one side of the control disk 419 behind the lower roller 409' for secondary banding, and the control disk 419. The bearing 422 is installed on the shaft 421 'fitted under the flow piece 421 coupled to the lower side, and the left and right adjustments are provided on both sides of the moving piece 423 wrapping the shaft 421' and the bearing 422. A fastening piece in which bolts 424 and 425 are installed, and an upper end of the bracket 427 fixed to the upper bearing housing 405 with bolts 426 is integrally formed on the piston 428 'of the cylinder 428 ( 428 "), while the operating rod 432, which has been carbonized under the fixed piece 430 fixed to one side of the fixed support piece 429 of the cylinder 428, with the spring 431, moves up and down 433. And arc-shaped guide pieces 434 on one side of the moving piece 433 so that the arc-shaped guide pieces 434 are installed directly above the upper roller 408 ', and the cylinders 435 and 436 on both sides. And guide (437) The upper roller 408 'is positioned below the front and rear plates 438 and 439 with the cutouts 438' and 439 'supported by each other, and the rear of the rear plate 439 is The piston 440 ′ of the reverse cylinder 440 is attached, and the cylinder 440 is fixed to the lifting plate 441, and is mounted on the fixing piece 442 protruding to one side of the lifting plate 441. The piston 443 ′ of the lower cylinder 443 is connected to each other, and the upper and lower sides of the elevating plate 441 are configured to fix the guide pieces 445 that are inserted into the fixing rods 444 and guide. In the figure, 446 and 447 are supporting rods. 448 and 449 are guide rollers and cylinders for adjusting the position thereof, 450 and 451 are gears of upper and lower rollers 408 'and 409' for secondary bending, and 452 is a motor for primary bending. The upper and lower roller gears are omitted in the drawing.

The present invention with such a configuration will be described in detail step by step.

The cutting roller 102 and the cutting roller 102 (the rollers are staffed) are cut out from the winding machine 2 on which the raw material 1 is wound, through the guide 101 of the intermittent transfer apparatus 100. After the transfer by the control signal given to the ping motor, it stops, and then stops, and the material 1 is retracted by a predetermined length, thereby cutting the band (handle part) (1 ') to an arbitrary position of the material (1). After cutting for cutting by cutting roller 102, the material 1 is transported a certain length again, and then the rear end of the material 100 is cut by cutting roller 102 in the stopped state (cutting and cutting step). : A), b) of FIG. 15).

When the first position sensor 201 detects the tip of the cut material 1 cut to a certain length, the cut material 1 is transported by the operation of the intermittent transfer device 100, and the tip of the transferred material 1 is When detected by the second position sensor 202, the front end of the next material (1) through the guide port 101 is also transported by the intermittent transfer device 100 so that the head material 1 and the rear end are spaced at a predetermined interval. The material 1 is sequentially conveyed in sequence (continuous transfer step).

The first stopper 205 (hereinafter all the stoppers are operated by the lower cylinder operation) when the end of the raw material 1 is detected by the third position sensor 204 while the leading raw material 1 is transferred through the feed roller 203. Lifting operation) rises to prevent the tip conveyance of the next work piece 1, and when the fourth position sensor 302 detects the tip of the first work piece 1 conveyed by the feed roller 203, The first stopper 205 is lowered to transfer the next material 1, and the leading material 1 to be conveyed is the upper and lower forming rollers 301 (the rollers have four upper, (Consisting of a roller), the both ends of the material 1 are shortly formed on one side and the other side is formed by lengthwise forming a 1 "portion shown in step bending (Fig. 15C). ) And FIG. 18 step bending).

When both ends of the raw material 1 are moved by the upper and lower rollers 301, the leading raw material 1 is stepped down and the tip is detected by the fifth position sensor 303, and the lowering of the pressing roller 304 is performed. (The pressure roller is driven by a separate stepping motor and is operated by the upper cylinder 305 at the same time.) And the first guide bar on one side of the circular bending machine 400 by transferring the material 1 by driving. At the same time, the tip of the raw material 1 is guided to the 401, and the second stopper 306 is lowered to prevent the transfer of the next raw material 1 (preparation for the bending work).

The leading end of the leading material 1 to be conveyed passes between the upper and lower rollers 406 'and 407' for the first bending of the circular banding machine 400 to reach the second guide bar 416 and the second guide bar ( When the optical sensor 417 installed in the 404 detects this, the piston 418 ′ of the cylinder 418 installed in the second guide bar 416 rises through the hole of the second guide bar 416, leading to the leading material. (1) Pause the feed, and the upper and lower rollers 406 'and 407' for the primary bending of the circular banding machine 400 and the upper and lower rollers 408 'and 409' for the secondary bending, respectively. The upper rollers 406 'and 409' are lowered by the operation of the respective cylinders 428A and 428, and then the upper and lower rollers 406 'and 407' for the primary banding are reversed to advance. The front end of the first material, the upper and lower rollers 406 'and 407' for the first bending, and below the control disk 410 installed at the rear end of the lower roller 407 '. Left and right cylinders 414 for driving the connected connecting piece 413 Rotate the leading bend guide piece 411 attached to the control disc 410 by rotating it by the reverse rotation of the control disc 410 to lift the lower end of the material 1 to a certain angle (eg 15 °). And the cylinder 414 is returned to its original position, and at the same time, the upper and lower rollers 406 'and 407' for the first bending are rotated forward to guide the second material to the second direction. Guided to the bar 416 and detected by the optical sensor 417, the piston 418 'of the cylinder 418 is lowered to transfer the material (1), and the material (1) to be conveyed is used for secondary bending It is wound by the lower rollers 408 'and 409', which is bent at the front end of the material 1 to be wound on the outer circumferential surface of the upper roller 408 ', and the wound of the material 1 to be wound. The tip is wound along the top surface of the arc-shaped guide piece 434. At this time, the control plate 419 installed on the rear of the roller 408 'is attached to the adjusting piece 420 for adjusting the diameter of the band (B) in advance according to the diameter of the desired band (B), the control of the control The angle is adjusted by the adjustment of the adjustment bolts 424 and 425 provided on both sides of the shaft 421 'and the moving piece 423 wrapped around the shaft 421' and the bearing 422, which are fixed to the floating piece 421 fixed below the disc 419. When the adjustment bolt 425 on the right side is adjusted, the moving piece 423 is moved to the left side, while the moving piece 421 is rotated to the left side so that the adjusting piece 420 attached to the control disc 419 has an upper roller ( 408 ') can be widened to produce a large diameter band (B), by adjusting the adjustment bolt 425 can be adjusted to the size of the diameter, such as to make a small diameter band (B). (First bending step: Fig. 15 D), e)).

Thus, one end of the material 1 is transported while being wound by the upper and lower rollers 408 'and 409' for the second bending, and the end of the material 1 is the upper and lower rollers 406 'for the primary bending. (407 ') 407', 407 ', 408' and 409 'are driven by the stepping motor when the inlet side of 407' is reached. It is possible to recognize the state that the end of 1) has reached one side of the rollers 406 'and 407', and the upper and lower rollers 406 ', 407' and 408 'for the first and second bandies at this time. 409 'is in a paused state) The cylinder 414 driving the connecting piece 413 connected to the lower side of the control disc 410 installed at the rear end of the lower roller 407' is driven backward to the control disc 410. Rotating the attached trailing guide piece 412 by the forward rotation of the control disk 410 to lift the lower rear of the material (1) to bend at a certain angle (for example, 15 °) and then the cylinder 414 in its original position For the first and second banding at the same time The rollers 406 ', 407', 408 'and 409' are driven so that the material 1 at the rear is also the upper and lower rollers 408 'for secondary bending like the material 1 at the front. 409 ') and the band B is completed while being wound by the arc-shaped guide piece 434. At this time, the second stopper 306 is raised to perform the transfer of the next material 1 (banding completion step: FIG. 15). F)).

The shaft 408 of the upper banding roller 408 'for secondary bending by operating the cylinder 428 with the completed band B wound around the upper banding roller 408' for secondary bending and the arc-shaped guide piece 434. ) Raises the bearing housing 405 and the upper roller 408 'by raising the bracket 427 fixed to the front of the bearing housing 405 with the bolt 426, and the upper surface of the upper roller 408' The front and back plates 438 and 439 are moved by the operation of the cylinders 435 and 436 installed at both ends of the front plate 438 while pushing up the arc-shaped guide piece 434 and tightening the spring 431. And narrow the completed band B between the front and back plates 438 and 439, and push the back plate 439 by the front and rear cylinders 430 to the back plate 439 and the spring pins 437. After moving the front plate 438 forward and connected, the upper and lower cylinders 443 are operated to raise the front and rear plates 438 and 439, and the front squeezed by the operation of the cylinders 435 and 436. , Backplane (438) (439) After opening, extract the completed band (B). After the reverse of the above operation, the front and rear plates 438 and 439 are replaced to produce the next band B (complete band extraction step).

As described above, the circular band B is continuously manufactured and extracted. When manufacturing the rectangular band B 'as necessary, the cylinder is installed between the lower frame 402 and the fixed frame 500 of the circular banding machine 400. Alternate guide installed between the guide frame 501 for the circular banding machine and the guide rail 601 for the rectangular banding machine 800 by operating the 400A to lower the frame 402 backward along the guide rail 501. The rail 701 is operated by the cylinder 600 to rotate the guide rail 501 and the guide rail 601 in the same direction, and then one side of the rectangular banding machine 800 is interviewed on one side of the frame of the pressure roller 304. The square band B 'is made (circular and square banding machine alternating steps).

Band (B) is produced through each step as shown in Figure 16 or 17 as shown in the upper edge of the upper edge of the mesh container (M) by spot welding fixed to complete the mesh container, Figure 15 b) It may be fixed by inserting a handle not shown in the cutout (1 ').

The present invention is to prevent the collision with the next material during the transport is cut to a certain length of the wound material to facilitate the transfer of the material, and to bend in advance both ends of the material to facilitate the circular bending operation and At the same time, by bending the line and back of the material slightly, it is easy to manufacture the band of the desired diameter, as well as easy to combine with the mesh container, and a series of operations to facilitate the extraction of the finished band after circular bending work It can automatically perform the operation to reduce the manufacturing cost according to the improvement of productivity, and to be able to produce a round band or square band in a narrow space has the effect of ease of work as well as the cost of facility.

Claims (2)

An intermittent transfer device (100) consisting of up and down rollers for winding and feeding the material (1) made of a stainless steel plate (2) to guide and stop the material (1) guided to the guide (101); Cutting machine for cutting a certain length of the material (1) by the cutting machine 102 and the cutting machine 103 made of a press die and the predetermined length while cutting the material (1) transferred by the intermittent transfer device (100) Cut and cut portions 100A composed of a 102 and a cutter 103; Continuous feeder consisting of a roller 201 and a first position sensor 202, a second position sensor 203, a third position sensor 204, and a first stopper 205 for conveying and blocking the material 1. 200; One end of both ends of the material 1 is short through the upper and lower forming rollers 301 and the upper and lower forming rollers 301 which are bent at both ends of the material 1 conveyed by the roller 201 through four steps. , The other side is to convey the stepped bending material 1 is long, if the fourth position sensor 302 detects the front end of the material 1 to move the first stopper 205 to perform the transfer of the next material (1) When the front end of the head material 1 reaches the position of the fifth position sensor 303, the pressing roller 304 is lowered by the cylinder 305, and the first guide bar 401 of the circular banding machine 400 is lowered. Guide and bending at both ends of the material and configured to allow the second stopper 306 to descend for the transport stop of the next material 1 at the same time; A circular banding machine 400 for circular bending the material 1 through the material conveyance guide 300; Circular bending machine 400, the lower frame 402, the lower guide groove is fitted to the guide rail 501 installed on the top of the fixed frame 500, before and after the fixed frame 500 to move the circular bending machine 400 before and after (500) ) And the left and right fixing frame 600 installed at right angles to one side guide rail 501 of the front and rear fixing frame 500 alternately by the lower cylinder 700 at the intersection of the inner rail 601 on one side. By installing the alternate guide rails 701 to be moved to the circular banding machine 400 and the rectangular banding machine 800 alternately to one side of the material transfer guide 300 to produce a circular band (B) or square band (B '). Edge band manufacturing system of the net container, characterized in that consisting of a bending machine shift means (900). 2. The shaft (406) (407) and shaft (40) of claim 1, wherein the circular banding machine (400) is fitted with bearing housings (404) (405) fitted to the left and right sides of the fixed support piece (403) at the upper end of the frame (402). Each of the upper and lower rollers 406 'and 407' for the first bending and the upper and lower rollers 408 'and 409' for the second bending are respectively constructed and the lower portion for the primary bending is formed. Attach the leading and rear bending guide pieces 411 and 412 of the material on which the supporting recesses 411 'and 412' are formed at both upper ends of the rear control disc 410 of the roller 407 ', and the control disc The piston 415 of the left and right cylinders 414 is installed on the connecting piece 413 coupled to the lower side, and the upper and lower rollers 406 'and 407' and the upper and lower bands for the primary bending are installed. The second guide bar 416 is installed between the rollers 408 'and 409', and the material 1 to which the optical sensor 417 installed at the inlet side of the second guide bar 416 is conveyed. When sensing, the piston 418 'of the cylinder 418 is elevated through the hole drilled in the second guide bar 416, On one side of the control disk 419 behind the lower roller 409 'for the secondary banding, an adjustment piece 420 having a support guide groove 420' for a desired band diameter is attached, and below the control disk 419. The bearing 422 is installed on the shaft 421 'fitted under the combined flow piece 421, and the left and right adjusting bolts 424 are provided on both sides of the moving piece 423 surrounding the shaft 421' and the bearing 422. 425 &quot;, wherein the upper end of the bracket 427, which is fixed to the upper bearing housing 405 with the bolt 426, is integrally formed on the piston 428 'of the cylinder 428. On the other hand, the operating rod 432, which is installed with a spring 431, under the fixed piece 430 fixed to one side of the fixed support piece 429 of the cylinder 428 is installed on the vertical moving piece 433. The arc-shaped guide piece 434 is fixed to one side of the moving piece 433 so that the arc-shaped guide piece 434 is installed directly above the upper roller 408 ', and the cylinders 435 and 436 and the guide pieces on both sides. By (437) The upper roller 408 'is positioned below the front and rear plates 438 and 439 with the supported cutouts 438' and 439 ', and the rear and rear cylinders are located behind the rear plate 439. A piston 440 'of 440 is attached, and the cylinder 440 is fixed to the lifting plate 441, and the upper and lower cylinders on the fixing piece 442 protruding on one side of the lifting plate 441. An edge of the web container which connects the piston 443 'of the 443, and fixes the guide piece 445, which is fitted to the guide rod 444 and fixed to each of the upper and lower sides of the elevating plate 441. Band manufacturing system.