JP4504462B1 - Air shock absorber manufacturing equipment - Google Patents

Abstract

An air cushioning material manufacturing apparatus that is easy to adjust the degree of swelling and has a good yield.
An air cushioning material manufacturing apparatus includes a roll mounting shaft, a pair of feeding rollers, and a processing unit. The film material 1 includes an air chamber 7 having an opening between the partition portions. The processing unit 20 is inserted into the fixing member 21, the push-up heater 22, the upper and lower belts 23 and 24, the upper and lower guide members 25 and 26, the flat nozzle nozzle 27 having a trumpet shape, and the air chamber 6. A flat strip-shaped guide member 28 having a cutter 29 for cutting the edge 3 on the air chamber side is provided.
[Selection] Figure 3

Description

  The present invention relates to an apparatus for manufacturing an air cushioning material.

  Conventionally, as an air cushioning material for packing, an independent air chamber connected gas bag in which air is sealed in a plurality of small compartments is known. Moreover, some proposals are made | formed as an apparatus which manufactures this kind of air shock absorbing material (patent documents 1-4).

  As shown in FIG. 6A, the device described in Patent Document 1 is inserted into the passage 19 of the gas bag 12 and has a core 23 having a small diameter portion 26 in the middle in the longitudinal direction, and a core 23. A pinch roller 21 that clamps the gas bag 12 at the position of the small-diameter portion 26 and feeds the gas bag 12 in the longitudinal direction of the gas bag 12 and an opening of the passage 19 opened by inserting the core 23 are inserted and removed. A nozzle adapter 29 that is freely inserted, a moving device 28 that moves the nozzle adapter 29 so that the nozzle adapter 29 does not come off the passage opening when the gas bag 12 moves in the longitudinal direction, and the nozzle adapter 29. The gas supply devices 31, 32, the nip device 33 for clamping the gas bag 12 to close the passage 19 at the end position of the gas bag 12 moved by a predetermined amount in the longitudinal direction, and the end portion of the gas bag 12 in the width direction full length It is provided with a cutting device 34 for over by cutting.

  As shown in FIG. 6B, the apparatus described in Patent Document 2 includes an expansion station 31, a sealing station 33, and a cutting station 35. After the cushion of the web film 19 is expanded at the expansion station 31, The inlet port 69 is sealed with the heating sealing elements 75, 81, 83 at the downstream sealing station 33, and the sealed film 19 is cut with the blade 95 of the downstream cutting station 35 to expand the packaging strip. Is configured to be removed from the machine 11.

  As shown in FIG. 6 (C), the apparatus described in Patent Document 3 has a film roll 28 placed on a pair of rollers 39 and 41 attached to the upper surface of the cabinet, on one side of the cabinet. After positioning and guiding with a locking portion 49 provided in the air, the air is introduced into the chambers 21 and 22 through the inflating tube 52 extending into the inflating channel 19 to inflate the cushion, and then the channel 19 is connected with the channel 19 with a longitudinally extending seal 89 After sealing across the passage 23 between the chambers 21, 22, a film located next to the inflating channel 19 so that the inflating tube 52 can exit the inflating channel 19 with a knife (not shown). It is configured to open with slits at the edges of the material.

  The apparatus described in Patent Document 1 needs to repeat the operation of rotating the nozzle adapter 29 to cut the film in the width direction, and the air cushioning material cannot be manufactured continuously, so the productivity is improved. There is a problem of not.

  Each apparatus described in Patent Documents 2 and 3 enables continuous production by opening a chamber extending in the film transport direction after heat sealing. However, the contact between the chamber and the nozzle or the influence of heat by heat sealing causes a pinhole or the like due to wrinkles on the film, thereby causing a problem of air leakage from the cushion portion and not improving the yield.

  Therefore, the present inventors can continuously manufacture independent air chamber connected gas bags in which air is sealed in a plurality of small sections, and prevent air leakage from the cushion portion, thereby improving productivity and yield. As shown in FIG. 7, air is ejected from a nozzle 11 inserted into an air chamber 2 extending in the longitudinal direction of the film material 1 and connected to the air chamber 2 so as to extend in the width direction. After inflating the chamber 3, the heating member disposed downstream of the air outlet 12 of the nozzle 11 performs heat sealing along the longitudinal direction of the film material 1 and is also downstream of the air outlet 12 of the nozzle 11. Is a device for continuously manufacturing the air bag 2 connected to the air chamber 2 in a longitudinal direction by cutting the air chamber 2 with a cutting member arranged in the longitudinal direction, and the cutter 31 is placed immediately before the heating unit. Proposed air cushioning material manufacturing apparatus 10 disposed in (Patent Document 4).

JP-A-6-92373 (summary, FIGS. 1 and 2) JP-T-2004-505862 (summary, 0037 to 0057, FIGS. 1 and 4) JP 2005-518969 (Abstract, 009-0016, FIGS. 1-3) Japanese Patent No. 4199823 (Summary, 019 to 0029, FIGS. 1 to 5)

  According to the apparatus described in Patent Document 4, the cutting member is torn before the film material is entrapped by heat sealing, and the cutting member is located downstream of the nozzle air outlet, and the nozzle air The jet port is opened so as to jet air toward the upstream, and the inlet port through which air flows into the air chamber is formed as a small inlet where it is difficult for the once-flowed air to flow out. As a result, “(1) Even if tearing by the cutting member is performed, the air in the air chamber does not immediately escape.”, “(2) The tearing position by the cutting member can be the edge of the film material, By separating the tearing position away from the inlet port, it is possible to further prevent the air from coming out. ”,“ (3) The film material is placed between the tearing position by the cutting member and the heat sealing position by the heating member. By setting the air chamber so as to be squeezed in the direction of crushing, it is possible to prevent the air from being released more reliably. ”The above-mentioned object can be sufficiently achieved. did it.

  However, the invention of Patent Document 4 needs further improvement in terms of downsizing the apparatus. In particular, in order to reduce the size of the apparatus and allow the user to arbitrarily adjust the swelling of the cushioning material, it is necessary to employ a small fan motor that can adjust the air volume. For this reason, it is necessary to improve so that each air chamber can be sufficiently inflated even if the air volume is small. Further, in order to suppress the amount of air escape due to a reduction in the air volume due to downsizing, it is effective to increase the output of the heater for quickly performing heat sealing. However, due to the high output of the heater, the heat seal portion of the cushioning material is likely to be twitched.

  Therefore, the present invention allows the user to arbitrarily adjust the degree of swelling of the cushioning material, and even in a small motor with reduced air volume, it is possible to suppress the occurrence of excessive air escape and entanglement of the heat seal part, An object of the present invention is to provide a small-sized air cushioning material manufacturing apparatus with a good yield.

The air cushioning material manufacturing apparatus of the present invention made to achieve the above object blows air through an air chamber extending in the longitudinal direction of the film material and inflates an air chamber extending in the width direction connected to the air chamber. After that, a device for continuously producing independent air chamber connected gas bags by performing heat sealing along the longitudinal direction of the film material with a heating member so as to close the opening of the air chamber, It has the structure.
(1) The film material is formed in a longitudinal direction between a front end of the partition portion and the opposite edge by a partition portion formed from one edge of the strip-shaped cylindrical film toward the opposite edge. A continuous air chamber and an air chamber sandwiched between the partition portions and having an opening on the air chamber side, and perforations are formed in the width direction with respect to at least a part of the partition portions. It must be in the form of a roll provided with a number of air chambers continuously.
(2) A roll mounting shaft for mounting the roll-shaped film material, a feed roller pair for feeding the film material drawn from the film roll into the apparatus main body, and air is supplied to the film material fed by the feed roller pair. It is equipped with a processing section that blows and inflates and forms a separate air chamber by heat sealing.
(3) The processing section includes a fixing member, a heater installed so as to face the fixing member, and an upper belt that is positioned between the fixing member and the heater to sandwich and convey the film material And a lower belt, an upper surface guide member and a lower surface guide member that guide the film material fed from the feeding roller pair so as to be sandwiched from above and below and feed between the upper belt and the lower belt, and an air chamber for the film material A nozzle that blows air into each air chamber; and a flat strip-shaped guide member that has a cutter that is inserted along the longitudinal direction into the air chamber of the film material in front of the nozzle and that tears the edge on the air chamber side It is equipped with.
(4) The upper surface guide member and the lower surface guide member are formed of a film material, which is cut at the edge of the air chamber side by the cutter of the strip plate guide member, in the air blowing direction on the front side of the air blowing port of the nozzle. It must be installed at a position slightly above and below the top and bottom.
(5) The nozzle is cut at the edge on the air chamber side by the cutter of the strip plate guide member, and the tip is inserted into the air chamber portion of the film material sandwiched between the upper surface guide member and the lower surface guide member It has a flat air outlet that extends to a possible position.

  According to the air cushioning material manufacturing apparatus of the present invention, when a roll-shaped film material is mounted on a roll mounting shaft, and the film material drawn from the film roll is sandwiched between a pair of feeding rollers, a band is formed around the air chamber. Insert the tip of the plate-shaped guide member. Then, the feeding roller pair is driven to feed the film material to the processing portion. Then, the film material passes between the air blowing nozzles and is sandwiched between the upper belt and the lower belt while the edge on the air chamber side is torn with a cutter. And it can discharge | emit by passing the heating part by a fixing member and a heater in the state pinched | interposed firmly between the upper and lower belts. During this time, air is blown into the air chamber of the film material through the air chamber by blowing air from the nozzle. And the air chamber side portion of the air chamber is heat sealed by being sandwiched between the upper and lower belts in a state where the air is blown and passing through the heating unit. Since the nozzle has a flat air outlet and the air is directly blown into the air chamber, the air chamber can be filled with a necessary amount of air in a short time. Moreover, since the air chamber opening portion of the film material is guided from above and below by the upper surface guide member and the lower surface guide member immediately before this nozzle, the upper and lower surfaces of the film material that are blown up by the air and spread upward and downward It does not contact the inner surface of the guide member and will not open. Therefore, the escape of air once entering the air chamber can be suppressed. And the air-sealing suppression effect becomes still more reliable because the heat-seal scheduled part of film material is pinched | interposed firmly between the upper and lower belts immediately after the nozzle. In this way, heat sealing by sandwiching the fixing portion and the heater is performed firmly in a state where air escape is suppressed, and a sealed air chamber is completed. As a result, even if the air blowing fan and the fan motor are reduced in size, sealing by heat sealing is possible before air is exhausted too much, thereby making it possible to reduce the size of the apparatus. In addition, with the miniaturization, the fan motor can be a DC motor, and air volume adjustment can be easily performed.

The air cushioning material manufacturing apparatus of the present invention may further include the following configuration.
(6) The said film material shall use the inner space | interval of the said partition parts as opening by the side of the air chamber of the said air chamber as it is.
(7) A tip of the upper surface guide member is bent upward, and a tip of the lower surface guide member is bent downward.
(8) The nozzle is provided with a flat air outlet having a trumpet-shaped tip.
(9) The strip-shaped guide member is installed in a state where the tip extends to the upstream side of the contact portion of the feed roller pair with the contact surface of the feed roller pair as a center line.

  By providing such a configuration, the film material can be smoothly introduced between the upper and lower surface guide members. As a result, the main body portion of the guide member is kept closer and air is blown into the film material. Air leakage can be further suppressed by preventing the mouth from opening greatly. In addition, since the nozzle has a flat air outlet with a trumpet-shaped tip, air can be blown out to a wide range, and it is efficient to an air chamber in which the inner space between the partitions is open as it is. Air can be blown. Accordingly, air is blown into the air chamber throughout the passage in front of the nozzle, and additional air is blown in succession even if there is some air loss. In this way, although the outward force is continuously applied to the air chamber one after another, the strip plate-like guide member extends the tip upstream from the contact portion of the feed roller pair with the contact surface of the feed roller pair as the center line. Therefore, it is possible to prevent the entire film material from being displaced.

The air cushioning material manufacturing apparatus of the present invention may further include the following configuration.
(10) The strip-shaped guide member is disposed so as to extend from the position immediately upstream of the nozzle toward the upstream side, and a cutter for tearing the edge of the film material on the air chamber side is upstream of the back surface of the base part. Be equipped with the blade facing the side.

  By providing such a configuration, the film material can be cut immediately before reaching the air blowing position by the nozzle in a state where the longest possible range is guided. Insufflation can be performed.

The air cushioning material manufacturing apparatus of the present invention may further include the following configuration.
(11) The cutter is attached with the blade facing the upstream side in the transport direction of the film material so that the tip is inserted into a groove formed on the back side of the head portion of the strip plate guide member.

  By providing such a configuration as well, the attachment state of the cutter can be stabilized, and an accurate cutting edge can be reliably implemented.

  According to the present invention, the user can arbitrarily adjust the degree of swelling of the cushioning material, and even with a small motor that suppresses the air volume, it is possible to suppress the occurrence of excessive air escape and entanglement of the heat seal part, An air cushioning material can be manufactured with a small size and high yield.

The external appearance of the air shock absorbing material manufacturing apparatus of an Example is shown, (A) is a perspective view in the state which mounted | wore with the film roll for buffer material manufacture, (B) is a perspective view in the state which does not mount | wear with a film roll. The air shock absorbing material manufacturing apparatus of an Example is shown, (A) is the left view in the state which mounted | wore the cover, (B) is the left view in the state which removed the cover. The air shock absorbing material manufacturing apparatus of an Example is shown, (A) is a top view of the principal part, (B) is a side view of the principal part. The principal part of the air shock absorbing material manufacturing apparatus of an Example is shown, (A) is a top view of a film, (B) is a top view of a guide and a tearing member, (C) is a rear view of a guide, (D) is air blowing The top view of a nozzle and (E) are front views of an air blowing nozzle. It is a schematic diagram which shows the principal part of the air shock absorbing material manufacturing apparatus as a modification. It is explanatory drawing of a prior art. It is explanatory drawing of a prior art.

  DESCRIPTION OF EMBODIMENTS Hereinafter, modes for carrying out the present invention will be described based on specific examples shown in the drawings.

  As shown in FIG. 1, the air cushioning material manufacturing apparatus 10 of the embodiment includes a roll mounting shaft 11 on which a roll-shaped film material 1 is mounted, and hook rods 12 and 13 on which the film material 1 drawn from the film roll is hung. The film material 1 hung around these hooking rods 12 and 13 is fed into the main body and a pair of feeding rollers 14 and 15 and the film material 1 fed by the pair of feeding rollers 14 and 15 is blown to swell. And a processing section 20 for forming an independent air chamber by heat sealing.

  As shown in FIG. 4A, the film material 1 has a linear shape in which a “U” is rotated 90 degrees from one edge 2 to the opposite edge 3 of the strip-shaped tubular film. The partition part 4 formed by this heat sealing and the perforation 5 passing through the center of the partition part 4 are provided. The tip 4a of the partition part 4 does not reach the opposite edge 3, and a part that functions as the air chamber 6 remains. Further, an air chamber 7 communicating with the air chamber 6 is formed between the partition portions. The point that the air chamber 7 communicates widely with the air chamber 6 between the partitions is a feature of the present embodiment.

  2 and 3, the processing unit 20 includes a fixing member 21, a push-up heater 22 installed so as to face the fixing member 21, and a film material between the fixing member 21 and the push-up heater 22. The upper belt 23 and the lower belt 24 for sandwiching and conveying the belt 1, the upper belt driving roller 23a over which the upper belt 23 is stretched, the upper belt driven rollers 23b, 23c, and the lower belt driving over which the lower belt 24 is stretched A roller 24a, lower belt driven rollers 24b, 24c, and 24d, and an upper surface guide member 25 and a lower surface guide member that guide the film material 1 so as to be sandwiched from above and below and feed the film material 1 between the upper belt 23 and the lower belt 24 26, a nozzle 27 that blows air into the air chamber 7 through the air chamber 6, and the air of the film material 1 in front of the nozzle 27 And a flat strip-shaped guide member 28 having a cutter 29 that cuts through the edge 3 of the air chamber side while being inserted into Yanba 6.

  The push-up heater 22 is configured to be able to approach and separate from the fixed member 21. The driven roller 23c for the upper belt 23 is also urged by a spring from above. With these configurations, the film material 1 is firmly heat-sealed while being sandwiched and conveyed between the upper belt 23 and the lower belt 24.

  The upper surface guide member 25 has a distal end bent upward, and the lower surface guide member 26 has a distal end bent downward, so that the film material 1 can easily enter between the guide members 25 and 26. As shown in FIG. 3A, the guide members 25 and 26 are installed at positions slightly apart in the air blowing direction of the nozzle 27.

  As shown in FIGS. 4C and 4E, the nozzle 27 is provided with a flat air outlet 27a whose tip is spread like a trumpet. The band plate-shaped guide member 28 disposed immediately before the nozzle 27 is configured as a trapezoidal plate material with a thin tip, as shown in FIGS. A cutter 29 for cutting the edge 3 of the material 1 on the air chamber side is provided. The cutter 29 is attached with the blade facing the upstream side in the transport direction of the film material so that the tip is inserted into the groove 28a formed on the back side of the base part of the strip plate guide member 28.

  In order to manufacture an air cushioning material with the air cushioning material manufacturing apparatus 10, the roll-shaped film material 1 is mounted on the roll mounting shaft 11, and the film material 1 drawn from the film roll is hung on the hooks 12 and 13. After that, it is sandwiched between the feeding roller pairs 14 and 15. At this time, the leading end of the strip plate guide member 28 is inserted into the air chamber 6. Then, the feeding roller pair 14, 15 is driven to feed the film material 1 into the processing unit 20.

  Then, the film material 1 passes between the air blowing nozzles 27 and is sandwiched between the upper belt 23 and the lower belt 24 while the edge 3 on the air chamber side is cut by the cutter 29. Then, the driving rollers 23a and 24a of the upper and lower belts 23 and 24 are driven, and the push-up heater 22 is raised so that the film material 1 is firmly sandwiched between the upper and lower belts 23 and 24 and pushed up with the fixing member 21. It passes through the heating part by the heater 22 and is discharged.

  During this time, air is blown from the nozzle 27 into the air chamber 7 of the film material 1 through the air chamber 6. And when this air is blown in, it is sandwiched between the upper and lower belts 23 and 24 and passes through the heating section, whereby the air chamber 7 portion of the air chamber 7 is heat sealed. In this way, an air cushioning material having a large number of independent air chambers in which air is enclosed can be manufactured. This air cushioning material can be used as an air cushioning material having any number of air chambers such as one, two,.

  The air cushioning material manufacturing apparatus 10 according to the present embodiment has an air blowing port 27a in which a nozzle 27 for blowing air is flat and the tip is spread like a trumpet, and the film material 1 also has an air chamber 6 side having an opening with a full width. Since the air chamber 7 is provided, the air chamber 7 can be filled with a necessary amount of air in a short time. Further, since the air chamber opening portion of the film material 1 is guided from above and below by the upper surface guide member 25 and the lower surface guide member 26 immediately before the nozzle 27, the film material that is blown up and spreads up and down. The upper and lower surfaces of 1 do not come into contact with the inner surfaces of the guide members 25 and 26 and open. Therefore, the escape of air once entering the air chamber 7 can be suppressed. And the air-sealing suppression effect becomes still more reliable because the heat-sealing plan location of the film material 1 is pinched | interposed firmly between the upper and lower belts 23 and 24 immediately after the nozzle 27. FIG. In this state, the air chamber 7 in a sealed state is completed by tightly heat-sealing by sandwiching the fixing member 21 and the push-up heater 22 with the air escape suppressed. As described above, the apparatus according to the present embodiment can suppress the escape of air. As a result, even if the fan for blowing air and the fan motor are reduced in size, it can be sealed by heat sealing before the air escapes too much. This makes it possible to reduce the size of the device. In addition, with the miniaturization, a configuration is adopted in which the fan motor is a DC motor and air volume adjustment can be easily performed.

  Further, when the discharge of air from the nozzle 28 starts, the air chamber 7 expands and a force is generated to move the film material 1 in the direction away from the apparatus 10 as a whole. However, since the strip plate-shaped guide member 28 guides the air chamber 6 of the film material 1 until just before the air blowing portion, the film material 1 does not largely move outward as a whole. In addition to the belt-shaped guide member 28, the upper and lower surface guide members 25 and 26 are guided so as to sandwich the opening portion of the air chamber 7 after being cut by the cutter 29 from above and below. Also by this, the upper and lower surfaces of the film come into contact with the inner surface of the guide member, and as a result of the frictional force caused by the surface contact, the effect of suppressing the movement of the entire film material 1 due to the blowing of air from the nozzle 27 is exhibited. Furthermore, since the front end of the strip plate-shaped guide member 28 is located upstream of the axis of the feeding rollers 14 and 15, the effect of firmly aligning the film material 1 is higher. As a result, the film material is fed almost straight into the heating unit without shifting, and sealing by heat sealing can be executed cleanly without being entangled.

  According to the present embodiment, the amount of air can be adjusted, too much air can be prevented from being pulled out, and twitching due to heat sealing can be prevented. As a result, downsizing is achieved, and further, productivity and yield are increased. It is also possible to improve.

  Although one embodiment as the best mode for carrying out the invention has been described above, the present invention is not limited to this, and various modifications can be made without departing from the scope of the invention.

  For example, as shown in FIG. 5A, radiators 31 and 32 that contact the upper and lower belts 23 and 24 are installed on the downstream side of the fixing member 21, and the heat seal portion is sandwiched between the belts 23 and 24. By rapidly cooling while remaining, it is possible to prevent the occurrence of shrinkage of the heat seal portion and further to add a configuration so that the occurrence of pinholes and the like can be suppressed.

  Further, as shown in FIG. 5B, a leaf spring 33 is provided on the upper surface of the push-up heater 22 so that the overall movement of the film material 1 due to the expansion of the air chamber when air is blown can be further suppressed. It is possible to enhance the action of pinching by the fixing member 21 and the push-up heater 22 by fixing the one end and fixing the other end so as to be movable up and down.

  Further, the perforation 5 of the film material 1 may be formed for each of several air chambers, and the opening of the air chamber is not filled between the partition portions, but is slightly narrowed in the longitudinal direction in the partition portions. Short partition portions may be continuous.

  It can be used as an apparatus for producing an air cushioning material for packing.

DESCRIPTION OF SYMBOLS 1 ... Film material 2 ... One edge of a cylindrical film (edge on the opposite side to an air chamber)
3 ... Edge on the opposite side of the tubular film (edge on the air chamber side)
DESCRIPTION OF SYMBOLS 4 ... Partition part 4a ... The front-end | tip of a partition part 5 ... Perforation 6 ... Air chamber 7 ... Air chamber 10 ... Air shock absorbing material manufacturing apparatus 11 ... Roll mounting shaft 12, DESCRIPTION OF SYMBOLS 13 ... Hook rod 14, 15 ... Feed roller pair 20 ... Processing part 21 ... Fixing member 22 ... Push-up heater 23 ... Upper belt 23a ... Upper belt drive roller 23b, 23c ... Upper belt driven roller 24 ... Lower belt 24a ... Lower belt drive roller 24b, 24c, 24d ... Lower belt driven roller 25 ... Upper surface guide member 26 ... Lower surface guide member 27 -Nozzle 27a ... Air outlet 28 ... Strip plate guide member 28a ... Groove 29 ... Cutter 31, 32 ... Radiator 33 ... Leaf spring

Claims (4)

Air is blown through an air chamber extending in the longitudinal direction of the film material, an air chamber extending in the width direction connected to the air chamber is expanded, and then the opening of the air chamber is closed by a heating member so as to close the opening of the air chamber. An apparatus for producing an air cushioning material, which is a device for continuously producing independent air chamber connected gas bags by performing heat sealing along the longitudinal direction, and having the following configuration.
(1) The film material is formed in a longitudinal direction between a front end of the partition portion and the opposite edge by a partition portion formed from one edge of the strip-shaped cylindrical film toward the opposite edge. A continuous air chamber and an air chamber sandwiched between the partition portions and having an opening on the air chamber side, and perforations are formed in the width direction with respect to at least a part of the partition portions. It must be in the form of a roll provided with a number of air chambers continuously.
(2) A roll mounting shaft for mounting the roll-shaped film material, a feed roller pair for feeding the film material drawn from the film roll into the apparatus main body, and air is supplied to the film material fed by the feed roller pair. It is equipped with a processing section that blows and inflates and forms a separate air chamber by heat sealing.
(3) The processing section includes a fixing member, a heater installed so as to face the fixing member, and an upper belt that is positioned between the fixing member and the heater to sandwich and convey the film material And a lower belt, an upper surface guide member and a lower surface guide member that guide the film material fed from the feeding roller pair so as to be sandwiched from above and below and feed between the upper belt and the lower belt, and an air chamber for the film material A nozzle that blows air into each air chamber; and a flat strip-shaped guide member that has a cutter that is inserted along the longitudinal direction into the air chamber of the film material in front of the nozzle and that tears the edge on the air chamber side It is equipped with.
(4) The upper surface guide member and the lower surface guide member are formed of a film material, which is cut at the edge of the air chamber side by the cutter of the strip plate guide member, in the air blowing direction on the front side of the air blowing port of the nozzle. It must be installed at a position slightly above and below the top and bottom.
(5) The nozzle is cut at the edge on the air chamber side by the cutter of the strip plate guide member, and the tip is inserted into the air chamber portion of the film material sandwiched between the upper surface guide member and the lower surface guide member It has a flat air outlet that extends to a possible position. Furthermore, the air buffer material manufacturing apparatus of Claim 1 provided also with the following structures.
(6) The said film material shall use the inner space | interval of the said partition parts as opening by the side of the air chamber of the said air chamber as it is.
(7) A tip of the upper surface guide member is bent upward, and a tip of the lower surface guide member is bent downward.
(8) The nozzle is provided with a flat air outlet having a trumpet-shaped tip.
(9) The strip-shaped guide member is installed in a state where the tip extends to the upstream side of the contact portion of the feed roller pair with the contact surface of the feed roller pair as a center line. Furthermore, the air buffer material manufacturing apparatus of Claim 1 or 2 provided also with the following structures.
(10) The strip-shaped guide member is disposed so as to extend from the position immediately upstream of the nozzle toward the upstream side, and a cutter for tearing the edge of the film material on the air chamber side is upstream of the back surface of the base part. Be equipped with the blade facing the side. The air cushioning material manufacturing apparatus according to claim 3, further comprising the following configuration.
(11) The cutter is attached with the blade facing the upstream side in the transport direction of the film material so that the tip is inserted into a groove formed on the back side of the head portion of the strip plate guide member.