JP4390800B2 - Twist packaging machine - Google Patents

Description

  The present invention relates to a twist wrapping machine of a type in which a wrapping paper is wound around a packaged object such as a candy in a cylindrical shape, and then both ends of the wrapping paper are twisted.

FIG. 8 is a schematic configuration diagram of a conventional horizontal twist wrapping machine.
The articles to be packaged (A) (A) supplied from the hopper (10) onto the separation tank (11) are separated from the outer peripheral separation holes (13) of the rotating disk (12) provided at the bottom of the separation tank (11). ) (13) is scraped with a separation brush (14). The articles to be packaged (A) and (A) which have been scraped into the separation holes (13) and (13) are sequentially dropped onto the continuous sheet (16) fed out from the raw roll (15) and also to be packaged. (A) The continuous sheet (16) that has received (A) is curved in the width direction by running along the upwardly opened shaping rod (19) and shaped into a U-shaped cross section.

The articles to be packaged (A) and (A) passing through the shaping bowl (19) together with the continuous sheet (16) are pushed from the rear by transfer rods (18a) and (18a) traveling at the same speed as the continuous sheet (16), It is transferred to the vicinity of the entrance of the bag making apparatus (20).
Both side edges of the continuous sheet (16) (shaped in a U-shaped cross section) passing through the shaping basket (19) stand up before reaching the bag making device (20). By passing through (20), it is folded horizontally and overlapped, whereby the continuous sheet (16) is shaped into a cylinder surrounding the package (A). The article to be packaged (A) that has passed through the bag making apparatus (20) is clamped by the catcher (3) through the continuous sheet (16), and is conveyed to the arrangement part of the cutter (4) in this clamped state. . Next, the continuous sheet (16) is cut by the cutter (4) between the catchers (3) and (3) (hereinafter, the cut sheet is simply referred to as a “packaging sheet”). Thus, a semi-wrapped product (B) is formed in which a packaging sheet is wound around the article to be packaged (A). After that, the catcher (3) holding the semi-wrapped product (B) is rotated 90 degrees in the vertical direction, so that the open ends of the packaging sheet are directed up and down, and then the rotation moves at the same speed as the catcher (3). Twist the ends of the packaging sheet (which is wrapped around the article to be packaged (A)) with the knobs (50) and (50). Thereby, a packaged product (C) is completed.
JP-A-7-96920

However, in the above-described conventional one, the article to be packaged (A) is transferred from the transfer rod (18a) (18a) to the bag making apparatus (20), or from the bag making apparatus (20) to the catcher (3) ( In the part delivered to 3), it is only inserted in a free state into the continuous sheet (16) shaped into a cylindrical shape, and is not held by anything other than the continuous sheet (16). For this reason, the article to be packaged (A) is not stable with respect to the continuous sheet (16), and the parts to be packaged with respect to the continuous sheet (16) are caused by vibrations of the machine, etc. (A) is easily misaligned. In particular, when a small package (A) is supplied from the separation tank (11) side due to variations in manufacturing dimensions, this is easy to rattle in the cylindrical continuous sheet (16) and misalignment occurs. easy. For this reason, in the above-described conventional device, there is a case where the packaged item (A) cannot be pinched correctly by the catcher (3), and there is a problem that defective packaging is likely to occur.
The present invention has been made in view of such points, and it is an object of the present invention to prevent the packaged item (A) from being displaced from the continuous sheet (16) and reduce the occurrence of packaging defects.

The twist wrapping machine according to the present invention is:
By forming the continuous sheet (16) fed in the longitudinal direction in the width direction, the former (6) is formed into an arch-like continuous body in which a pair of folded piece portions extend in a facing state on both sides of the U-shaped folded portion. )When,
A transfer rod (18a) for conveying the article to be packaged (A) so as to be pushed into the arched continuous body in the former (6) from the same direction as the continuous sheet (16);
The packaged article (A) passes from the outer side of the pair of folded pieces during the conveyance in which the packaged article (A) passes through the former (6) and is further pushed by the transfer rod (18a). First and second clamping bodies that move downstream in the conveying direction while clamping
One folded piece portion of the continuous sheet (16) is disposed in the conveyance area of the article (A) to be wrapped and conveyed by the first and second sandwiching bodies, and the other folded piece portion. A first folding guide that is folded on the side and stacked on the package (A);
A second folding guide disposed on the downstream side of the first folding guide and folded so that the other folded piece portion of the continuous sheet (16) is superimposed on the folded one folded piece portion; ,
It has a function of re-holding the part of the package (A) held between the first and second holding bodies downstream of the second folding guide from the overlapping direction of the folded parts. And the third and fourth sandwiching bodies attached to the first sandwiching body,
The continuous sheet (16) is cut on the downstream side and the upstream side of the package (A) that is disposed downstream of the re-positioning position and is conveyed in the nipped state by the third and fourth nipping bodies. The cutter (4)
Provided on the downstream side of the arrangement part of the cutter (4), and comprises a twisting device (5) for picking and twisting the cut portion ,
The second sandwiching body is an outer peripheral surface portion of an endless belt that travels in parallel with the transport path of the article to be packaged (A),
The first sandwiching body and the third and fourth sandwiching bodies are provided on a catcher (3) that grips an object to be packaged (A) over a continuous sheet (16), and the first sandwiching body is the catcher (3). The second clamping body is composed of an arm mounting block (33) protruding forward from the base portion (32), and the package (A) is passed over the continuous sheet (16) on the front surface of the arm mounting block (33). The third and fourth clamping bodies are constituted by a pair of clamping arms (35) and (36) rotatably supported by an arm mounting block (33). The pair of sandwiching arms (35) and (36) is rotated so that the article to be wrapped (A) sandwiched between the first and second sandwiching bodies is sandwiched over the continuous sheet (16). And
The catcher (3) is circulated so that the first sandwiched body passes through the region facing the endless belt constituting the second sandwiched body across the conveyance path of the packaged object (A), and the packaged object When (A) is clamped again from the first and second clamping bodies to the third and fourth clamping bodies, the package (A) is a continuous sheet in both the first and second clamping bodies and the third and fourth clamping bodies ( 16) In the range from the cutting position (S6) to the twist position (S8) by the cutter (4) after being clamped over and re-clamped by the third and fourth clamping bodies, it is always covered by the third and fourth clamping bodies. The package (A) is sandwiched between them.
According to the above solution, the continuous sheet (16) fed out in the longitudinal direction passes through the former (6), so that the pair of folded piece portions are extended in an opposing state on both sides of the U-shaped folded portion. Shaped into an arched continuum.

  On the other hand, the article to be packaged (A) is fed into the former (6) from the same direction as the continuous sheet (16) while being pushed by the transfer rod (18a). As a result, the article to be packaged (A) is pushed into the arched continuous body by the transfer rod (18a).

  Next, while the article to be packaged (A) conveyed to the downstream side of the former (6) is being pushed in the conveying direction by the transfer rod (18a), the article to be packaged (A) is folded into the pair of folded pieces. It is clamped by the first and second clamping bodies from the outside of the one part (over the continuous sheet (16)). As a result, the article to be packaged (A) is transferred from the transfer rod (18a) to the first and second holding bodies. Therefore, at the time of delivery, the package (A) is not held only by the continuous sheet (16) as in the conventional case, and the package (A) is misaligned with respect to the continuous sheet (16). There is no worry to do.

  Next, when the article to be packaged (A) sandwiched between the first and second sandwiching bodies is conveyed to the arrangement portion of the first folding guide over the continuous sheet (16), the one of the continuous sheets (16) The folded piece portion is folded to the other folded piece portion side by the first folding guide and overlapped on the package (A). Thereafter, when the article to be wrapped (A) sandwiched between the first and second sandwiching bodies is further transported to the second folding guide arrangement portion on the downstream side, the other folded piece portion of the continuous sheet (16) However, it is folded so that it may overlap on said one folding piece part by a 2nd folding guide. Thereby, it will be in the state by which the continuous sheet | seat (16) was wound by the to-be packaged object (A) in the cylinder shape.

Next, on the downstream side of the second folding guide, the portion of the article to be packaged (A) sandwiched between the first and second sandwiching bodies is third and third from the overlapping direction of the folded two folded pieces. It is re-clamped by 4 clamping bodies (attached to the 1st clamping body). And when re-clamping, the to-be-packaged item (A) is clamped over the continuous sheet (16) by both the first and second clamping bodies and the third and fourth clamping bodies. Therefore, there is no concern that the packaged item (A) is misaligned with the continuous sheet (16) when re-clamping.

Next, after the object to be packaged (A) is re-clamped by the third and fourth clamping bodies and then moved further downstream, the article to be packaged (A) conveyed in the clamping state by the third and fourth clamping bodies (A) The continuous sheet (16) is cut by the cutter (4) on the downstream side and the upstream side. As a result, a semi-wrapped product in which the packaging sheet is wound around the outer periphery of the article (A) to be packaged is obtained.
Thereafter, both ends of the packaging sheet wound around the packaged article (A) in a cylindrical shape are picked and twisted by the twisting device (5). Thereby, a twist package is completed.

  Thus, according to the present invention, when the article to be packaged (A) is delivered from the transfer rod (18a) to the first and second holding bodies, the article to be packaged (A) as described above is used. Is not held only by the continuous sheet (16). When the article to be packaged (A) is re-clamped from the first and second clamping bodies to the third and fourth clamping bodies, the article to be packaged (A) is passed through the continuous sheet (16) through the first. , The second sandwiching body or the third and fourth sandwiching bodies. Therefore, unlike the conventional one described above, the article to be packaged covers the entire area from when the article to be packaged (A) is pushed into the former (6) by the transfer rod (18a) until the twisted package is completed. (A) is not misaligned with respect to the continuous sheet (16) (a packaging sheet after it has been semi-wrapped).

The present invention has the following specific effects.
The object to be packaged (A) is continuous sheet (16) (half-length) from the time when the object to be packaged (A) is pushed into the former (6) by the transfer rod (18a) until the twisted package is completed. There is no misalignment with respect to the packaging sheet) after it has become a packaged product. Therefore, unlike the above-described conventional ones that are likely to be misaligned, each packaging process proceeds in a state where the article to be packaged (A) is always maintained at an appropriate position with respect to the continuous sheet (16). The occurrence of is reduced.

The best mode for carrying out the present invention will be described below with reference to the accompanying drawings.
FIG. 1 is an overall perspective view of the twist wrapping machine of the present invention.
[overall structure]
Similar to the conventional one described above, a feeder (100) is provided at the outlet of the hopper (10) to feed the packaged articles (A) and (A) to the separation tank (11) while vibrating. At the bottom of the tank (11), a rotating disk (12) having separation holes (13) (13) formed on the outer periphery is provided.
A separation brush (14) is provided on the outer periphery of the rotating disk (12) to scrape the articles (A) and (A) to be packed on the rotating disk (12) into the separating holes (13) and (13). In addition, in the vicinity of the opening portion of the separation brush (14), the package (A) (A) that falls from the separation holes (13) and (13) of the rotating disk (12) is transferred downstream. A transfer device (18) provided with bars (18a) (18a) is provided. On the downstream side of the transfer device (18), a former (6) is provided that curves the continuous sheet (16) fed from the reel (7) at the top of the machine body in the width direction and shapes it into an inverted U shape. . On the downstream side of the former (6), a catcher (3) and a holding belt (8) that hold the package (A) over the continuous sheet (16) and a cylindrical continuous sheet (16) are packaged ( A) A cutter (4) that cuts between (A) and a twisting device (5) that picks and twists both ends of the packaging sheet that is wrapped around the outer periphery of the package (A) by cutting. ing. Details of each part will be described below.

[Transfer device (18)]
As shown in FIGS. 2 and 3, the transfer device (18) for conveying the articles to be packaged (A) and (A) supplied from the separation tank (11) one by one includes the articles to be packaged (A) and (A). And a closed loop chain (18b) in which the transfer rods (18a) (18a) are fixed at a predetermined pitch.The chain (18b) is a sprocket (17 ). The transfer rod (18a) crosses the side of the support rail (22) that supports the article to be packaged (A) (A) from below, and is thus placed on the support rail (22). The packaged items (A) and (A) can be pushed and moved from the rear.

[Former (6)]
As shown in FIG. 4, the former (6) for shaping the continuous sheet (16) fed out from the reel (7) into an inverted U shape has a pair of side plates (60) facing each other across the gap (62). ) (61), and the lower flanges (601) and (611) are bent from the lower ends of the side plates (60) and (61) so as to face each other. Then, the sheet mating plates (602) and (612) hang from the inner edges of the lower flanges (601) and (611) in a facing state. The side plates (60), (61) are positioned at the lower corner portion on the inlet portion (65) side and are gradually lowered toward the downstream side (feed direction of the continuous sheet (16)) (66) ( 67).

  Therefore, the continuous sheet (16) supplied to the former (6) is curved along the outer periphery of the package (A) by the guiding action of the sheet guide vanes (66) and (67) and shaped into an inverted U shape. Is done. Further, both side edges of the continuous sheet (16) inserted through the former (6) are bent and suspended from the lower flanges (601) and (611) of the side plates (60) and (61). It will be almost superposed and will be in a vertical state. As a result, the continuous sheet (16) that has passed through the former (6) has an inverted U-shape in which a pair of folded pieces (162) and (163) extend on opposite sides of the U-shaped folded portion (161). Shaped into a continuous arch.

[Retaining belt (8)]
On the downstream side of the former (6), a horizontal holding belt (8) that runs parallel to the transverse direction of the moving area of the continuous sheet (16) (corresponds to the “endless belt” that is the specific matter of the invention described above) Is provided). The holding belt (8) is formed of a toothed belt that is wound around a driving pulley (80) and a driven pulley (81), and a package (A) (A) is placed on a continuous sheet (16 ) Pressing protrusions (82) and (82) for pressing over are raised. In the present embodiment, the pressing protrusions (82) and (82) correspond to the “second sandwiching body” which is the specific matter of the invention described above.

[Catcher (3)]
The catchers (3) and (3) that hold the package (A) through the cylindrical continuous sheet (16) circulate while facing the holding belt (8). Attached to the driven endless belt (30). The catchers (3) and (3) are attached to the endless belt (30) at the same pitch as the pressing protrusions (82) and (82) raised on the outer periphery of the holding belt (8).

  As shown in FIG. 5, the catcher (3) includes an arm mounting block (33) protruding forward from the base portion (32). A pressing rubber (34) for pressing A) over the continuous sheet (16) to the holding belt (8) is fixed. In the present embodiment, the arm mounting block (33) having the pressing rubber (34) corresponds to the “first clamping body” which is a specific matter of the invention described above. The arm mounting block (33) includes a pair of upper and lower clamping arms (35) and (36), which are the "third and fourth clamping bodies" as specific matters of the invention described above, and are rotatable about the shafts (37) and (38). The rubber receiving block (350) (360) that is supported by the holding arm (35) (36) and protrudes at right angles from the free end of the holding arm (35) (36) holds the package (A) over the continuous sheet (16). The holding rubbers (351) and (361) for fixing are fixed. The clamping arms (35) and (36) are rotated up and down by a driving source (not shown).

[Folding guide for folding the folded piece (162) (163) of the continuous sheet (16)]
Below the area where the holding belt (8) and the catchers (3) and (3) run opposite to each other, as shown in FIGS. 3 and 6, the upper surface is formed in a bowl shape along the package (A). The first and second folding guides 90 and 91 are arranged in this order toward the downstream side. As a result, the folded pieces (162) and (163) of the continuous sheet (16) curved in an inverted U shape are guided on the upper surfaces of the first and second folding guides (90) and (91) to be packaged ( It is designed to be folded sequentially along A).

[Cutter (4)]
A cutter (4) for cutting the continuous sheet (16) between the catchers (3) and (3) is disposed downstream of the first and second folding guides (90) and (91). The cutter (4) is rotatably attached to the shaft (40).

[Twist device]
A twisting device (5) for twisting the packaging sheets at both ends of the semi-wrapped product (B) held by the catcher (3) is disposed downstream of the arrangement portion of the cutter (4). In addition, the twisting device (5) includes a rotary knob (50) (50) having a function of twisting the packaging sheets at both ends. These rotary knobs (50) and (50) are configured to move in a state of facing the catcher (3) picking the semi-packaged product (B) from above and below.
The rotary knob (50) has a configuration in which knobs (52) and (53) are attached to the rotary shaft (51) in the vertical direction so as to be rotatable by the base shafts (a) and (a). The knobs (52) and (53) are opened and closed by a drive source (not shown).

[Description of operation]
Next, the operation of the twist packaging machine according to the above embodiment will be described.
When an operation switch (not shown) is turned on, the articles to be packaged (A) (A) of the hopper (10) are supplied from the feeder (100) to the rotating disk (12) of the separation tank (11), and then the separation brush By (14), it is scraped into the separation holes (13) and (13) on the outer periphery of the rotating disk (12). The articles (A) and (A) to be wrapped in the separation holes (13) and (13) fall to the front of the traveling transfer rods (18a) and (18a), and as shown in FIG. 22) Moves to the former (6) side by being pushed by the transfer rods (18a) and (18a). On the other hand, as shown in FIG. 1, the continuous sheet (16) wound up in a roll shape is fed out from the reel (7), and passes through a plurality of guide rollers (70) (70) to pass through FIGS. The continuous sheet (16) and the article to be packaged (A) are gathered at the entrance (65) of the former (6).

  As described above, the continuous sheet (16) that has entered the shaping position (S1) (see FIG. 2) in the former (6) has a pair of arch-like continuous bodies (a pair of U-shaped folded portions (161) on both sides). The folded piece (162, 163) extends in the opposite state), and as shown in FIGS. 2 and 3, the package is pushed into the former (6) by the transfer rod (18a). The object (A) is surrounded by the inverted U-shaped arch-like continuum. Note that the moving speed of the transfer rod (18a) matches the feed speed of the continuous sheet (16), so that the article (A) to be packaged is conveyed downstream at the same speed as the continuous sheet (16). It is like that.

  When the article to be packaged (A) that has passed through the former (6) reaches the lateral support position (S2) (see FIGS. 2 and 3) near the downstream end of the transfer device (18), As shown in FIG. 7, the article to be packaged (A) is sandwiched between the pressing protrusion (82) on the outer periphery of the holding belt (8) and the pressing rubber (34) on the front surface of the catcher (3), and the transfer device ( It is pushed from behind by the transfer rod (18a) of 18). That is, the article to be packaged (A) is supported in three points by the pressing protrusion (82), the pressing rubber (34), and the transfer rod (18a), and is in a stable state. Therefore, when the article to be packaged (A) is transferred from the transfer rod (18a) to the pressing protrusion (82) and the pressing rubber (34), the article to be packaged (A) is a continuous sheet (16) as described above. There is no concern that the packaged item (A) will be misaligned.

  Further, when the article to be packaged (A) moves downstream and passes the downstream end of the transfer device (18), the transfer rod (18a) moves along the outer periphery of the sprocket (17). The rod (18a) descends below the transport area for the package (A). In this state, the article to be packaged (A) has an arched continuous body (the continuous sheet (16) is reversed by the pressing protrusion (82) of the holding belt (8) and the pressing rubber (34) on the front surface of the catcher (3). (Shaped in a U-shape) is sandwiched between both folded pieces (161) and (162), and in this sandwiched state, it is transported from the support rail (22) onto the first folding guide (90). The first folding position (S3) is reached (see FIGS. 2 and 3). When the article to be wrapped (A) reaches the first folding position (S3), as shown in FIG. 6 (c), one folding piece (161) of the continuous sheet (16) is moved to the first folding guide (90 ) Is folded toward the other folded piece portion (162) side and overlaid on the article (A) to be packaged. Further, when the article to be packaged (A) is conveyed downstream and reaches the second folding position (S4), as shown in FIG. 6 (D), the other folding piece (162) of the continuous sheet (16) is obtained. Is folded along the lower surface of the article to be wrapped (A) by the second folding guide (91). As a result, the other folded piece portion (162) is folded on the folded piece portion (161) of the continuous sheet (16) folded at the first folding position (S3), and continuously on the outer periphery of the package (A). The sheet (16) is wound into a cylindrical shape. Further, when the article to be packaged (A) is conveyed to the vertical picking position (S5), the article to be packaged (A) around which the continuous sheet (16) is wound is turned into both folded portions as shown in FIG. (161) From the overlapping direction of (162), the catcher (3) is clamped by the clamping arms (35) (36), and then the package (A) is moved downstream of the travel area of the holding belt (8) (drive It is conveyed downstream of the pulley (80). As a result, the article to be packaged (A) is separated from the pressing protrusion (82) of the holding belt (8) (which constitutes the first and second holding bodies) and the pressing rubber (34) on the front surface of the catcher (3). 35) (36) (the third and fourth sandwiching bodies) is in a state of being sandwiched again. The article (A) to be packaged when re-clamping is clamped between the pressing protrusion (82) and the pressing rubber (34) or the clamping arms (35) (36).

  In this sandwiched state, the sheet is conveyed to the cutting position (S6). Then, the continuous sheet (16) wound around the outer periphery of the article to be packaged (A) is cut by the cutter (4) on the downstream side of the cutting position (S6), and thereby the article to be packaged (A ), A semi-wrapped product (B) in which a packaging sheet is wound around in a cylindrical shape is produced. Next, when the catcher (3) rotates 90 degrees up and down to reach the standing position (S7) and further moves to the twist position (S8), the upper and lower ends of the packaging sheet of the semi-packaged product (B) rotate. The picking piece (52) (53) of the picking tool (50) (50) is picked flat, and then the rotary shaft (51) (51) provided with the rotary picking tool (50) (50) is rotated. Thus, the upper and lower ends of the packaging sheet are twisted. Thereby, the twist package (C) is completed.

  In this case, from the shaping position (S1) of the former (6) in which the continuous sheet (16) is wound in an inverted U shape around the outer periphery of the article (A), the article (A) is attached to the holding belt (8). Up to the lateral support position (S2) sandwiched horizontally by the catcher (3), the article to be packaged (A) is moved by being pushed by the transfer rod (18a). Therefore, even if machine vibration or the like occurs, there is little concern that the packaged item (A) is displaced from the continuous sheet (16). Therefore, at the lateral support position (S2), the article to be packaged (A) is securely held in the horizontal direction by the catcher (3) and the holding belt (8), and a holding error is unlikely to occur. In addition, in the lateral support position (S2) to the second folding position (S4), the article to be wrapped (A) moves while being held in the horizontal direction by the catcher (3) and the holding belt (8), while being picked up and down. At the position (S5), in addition to the horizontal clamping, the catcher (3) is further clamped up and down by the clamping arms (35) and (36), and then twisted from the cutting position (S6) by the cutter (4). In the range up to the position (S8), the article to be packaged (A) is held by the holding arms (35) and (36) of the catcher (3). Accordingly, since the object to be wrapped (A) is always supported by the transfer rod (18a) etc. in the entire region from the shaping position (S1) to the twisting position (S8), the object to be wrapped (A) is a continuous sheet. (16) There is no worry about misalignment and no packaging defects will occur.

The whole perspective view of the twist packaging machine concerning an embodiment of the invention The expansion perspective view explaining each process of the downstream from the former (6) of the packaging machine of FIG. Schematic cross-sectional view for explaining each process downstream from the former (6) of the packaging machine of FIG. Perspective view looking up at former (6) from below Perspective view of catcher (3) Explanatory drawing of shaping position (S1)-vertical picking position (S5) The top view explaining the clamping state of the packaged item (A) at the lateral support position (S2) Illustration of conventional example

Explanation of symbols

(4) ・ ・ ・ Cutter
(5) ... Twist device
(6) ... Former
(16) ... Continuous sheet
(18a) ・ ・ ・ Transfer rod
(A) ・ ・ ・ Packaged items

Claims (1)

By forming the continuous sheet (16) fed in the longitudinal direction in the width direction, the former (6) is formed into an arch-like continuous body in which a pair of folded piece portions extend in a facing state on both sides of the U-shaped folded portion. )When,
A transfer rod (18a) for conveying the article to be packaged (A) so as to be pushed into the arched continuous body in the former (6) from the same direction as the continuous sheet (16);
The packaged article (A) passes from the outer side of the pair of folded pieces during the conveyance in which the packaged article (A) passes through the former (6) and is further pushed by the transfer rod (18a). First and second clamping bodies that move downstream in the conveying direction while clamping
One folded piece portion of the continuous sheet (16) is disposed in the conveyance area of the article (A) to be wrapped and conveyed by the first and second sandwiching bodies, and the other folded piece portion. A first folding guide that is folded on the side and stacked on the package (A);
A second folding guide disposed on the downstream side of the first folding guide and folded so that the other folded piece portion of the continuous sheet (16) is superimposed on the folded one folded piece portion; ,
It has a function of re-holding the part of the package (A) held between the first and second holding bodies downstream of the second folding guide from the overlapping direction of the folded parts. And the third and fourth sandwiching bodies attached to the first sandwiching body,
The continuous sheet (16) is cut on the downstream side and the upstream side of the package (A) that is disposed downstream of the re-positioning position and is conveyed in the nipped state by the third and fourth nipping bodies. The cutter (4)
Provided on the downstream side of the arrangement part of the cutter (4), and comprises a twisting device (5) for picking and twisting the cut portion ,
The second sandwiching body is an outer peripheral surface portion of an endless belt that travels in parallel with the transport path of the article to be packaged (A),
The first sandwiching body and the third and fourth sandwiching bodies are provided on a catcher (3) that grips an object to be packaged (A) over a continuous sheet (16), and the first sandwiching body is the catcher (3). The second clamping body is composed of an arm mounting block (33) protruding forward from the base portion (32), and the package (A) is passed over the continuous sheet (16) on the front surface of the arm mounting block (33). The third and fourth clamping bodies are constituted by a pair of clamping arms (35) and (36) rotatably supported by an arm mounting block (33). The pair of sandwiching arms (35) and (36) is rotated so that the article to be wrapped (A) sandwiched between the first and second sandwiching bodies is sandwiched over the continuous sheet (16). And
The catcher (3) is circulated so that the first sandwiched body passes through the region facing the endless belt constituting the second sandwiched body across the conveyance path of the packaged object (A), and the packaged object When (A) is clamped again from the first and second clamping bodies to the third and fourth clamping bodies, the package (A) is a continuous sheet in both the first and second clamping bodies and the third and fourth clamping bodies ( 16) In the range from the cutting position (S6) to the twist position (S8) by the cutter (4) after being clamped over and re-clamped by the third and fourth clamping bodies, it is always covered by the third and fourth clamping bodies. A twist wrapping machine that holds the package (A) .

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