CN102282074B

CN102282074B - Container shaping apparatus

Info

Publication number: CN102282074B
Application number: CN200980154715.XA
Authority: CN
Inventors: 藤本明正; 盛川康弘; 佐藤诚治; 池北浩记
Original assignee: Shikoku Kakoki Co Ltd
Current assignee: Shikoku Kakoki Co Ltd
Priority date: 2009-01-22
Filing date: 2009-11-17
Publication date: 2013-10-02
Anticipated expiration: 2029-11-17
Also published as: JP2010168071A; JP5186399B2; WO2010084660A1; CN102282074A

Abstract

The invention provides a container shaping apparatus which comprises a shaping conveyer which has a container holder for holding the unfinished container so that an end of the unfinished container which is to define a bottom side of the container projects upward from the container holder, and which is intermittently driven so that the container holder stops at a folding station; an anvil arranged above the container holder stopped at the folding station so that the anvil can be moved close to or apart from the container holder; a pair of wings arranged on opposite sides of the anvil located therebetween so as to open or close; an anvil driving mechanism for driving the anvil so that when the anvil comes close to the container holder, the anvil can press the center of the end of the unfinished container which is to define the bottom side of the container; and a wing driving mechanism for driving both the wings so that the wings in the closed position press the portions which project upward and define the flaps of the container, from opposite sides of the center of the end of the unfinished container which has been pressed by the anvil and which is to define the bottom side of the container, against the anvil.

Description

Container shaping device

Technical field

The present invention relates to container shaping device, do not finish the rectangular-shaped container of finishing that container is configured as the band flap for the pillow that will be filled with beverage.

Background technology

In the past, as this container shaping device, known a kind of for the pillow that will be filled with beverage do not finish container be configured as the band flap the rectangular-shaped container shaping device of finishing container, has the shaping feedway, have can so that the upper end of not finishing container from the bottle holder bottle holder that keeps of outstanding mode upward, so that bottle holder is driven off and on folding into the mode that station stops; With can stop at the bottle holder that folds into station above the push plate that disposes of the mode of lifting; The a pair of bending guide that is configured in its both sides and extends at the feedway moving direction across push plate, by push plate is descended, do not finish the upper end of container so that the mode that the flap on even keel is given prominence to is flatly folding, meanwhile, by two bending guides, two flaps and this bending guide are slipped, and to making its upright direction bending, finally, overlap the upper end of not finishing container, flatly (for example, with reference to patent documentation 1) on the folded portions.

In this container shaping device, the upper end of will not finish container by push plate is pushed into after the position of regulation, needs by the bending guide rail the flap bending.Therefore, the formability of container depends on the shape of guide.Container material according to different there are differences at aspects such as papery, smoothness of the surface, because this difference, formability can significantly change.And, because flap and bending guide slip, therefore, exist in the situation that damage takes place contact part flap and the bending guide.

The prior art document

Patent documentation 1: Japanese kokai publication sho 63-55038 communique

Summary of the invention

The objective of the invention is to, a kind of container shaping device is provided, can with the papery of container material, smoothness of the surface etc. irrespectively, can not cause unnecessary pressure ground, reluctantly and reliably flap not folded into to container.

Based on container shaping device of the present invention, do not finish the rectangular-shaped container of finishing that container is configured as the band flap for the pillow that will be filled with beverage, it is characterized in that, this container shaping device has: the shaping feedway, have not finishing the bottle holder that container keeps, make the end of its container base end side of conduct of not finishing container outstanding upward from bottle holder, driven off and in the mode that the invagination station stops with bottle holder; With can stop at the bottle holder that folds into station above the anvil block that disposes of the mode that approaches, separate with respect to bottle holder; The a pair of wing that is configured in its both sides and disposes in the mode of mutual switching across anvil block; The anvil block driver train, drive anvil block make with respect to bottle holder near the time anvil block will not finish should pushing as the end central authorities of container base side of container; Drive the wing driver train of both wings, make both wings when closing make should as the part of container flap from be pushed into by anvil block do not finish container should be outstanding and its relative anvil block pushed upward as the both sides of the end central authorities of container base side.

In based on container shaping device of the present invention, by anvil block and the wing, can produce folding line at the base portion of the part that becomes flap.Therefore, can reluctantly and reliably flap not folded into.

And, in the feedway moving direction downstream that folds into station, dispose the invagination guide, this invagination guide is not finished should folding into as the mode of the end central authorities of container base side of container with two flaps to overlap, like this, after the base portion of the part that becomes flap forms folding line, even because the flaps such as resilience of container material erect, also can be pressed into.

In addition, the anvil block driver train has movable body, together mobile freely with anvil block on the direction that this movable body is approaching with respect to bottle holder at anvil block, separate, and drive by crank mechanism, like this, can be used in the movable body that anvil block moves by crank mechanism moves back and forth reliably.

In addition, offer on the movable body along the guide groove that extends with the direction of its moving direction quadrature, crank mechanism comprises: intert crank pin in guide groove; Leading section is fixed on the crank arm on the crank pin; For the fixing crank shaft of the base portion of crank arm, like this, can make crank mechanism constitute simple structure.

In addition, wing driver train has: a pair of outstanding gripping arm, and each wing is fixed on the bottom of this outstanding gripping arm, and the upper end of this outstanding gripping arm is being supported around the mode with the axis free swing of the moving direction quadrature of movable body; Arm swing mechanism so that the mode that the bottom of two arms approaches, separates makes two outstanding gripping arm swings, like this, can make the crank motion action of the wing synchronous with the crank motion of anvil block by movable body.

In addition, on each outstanding gripping arm, be formed with the cam path that extends at its length direction, arm swing mechanism is made of cam mechanism, this cam mechanism have in the cam path that inserts each outstanding gripping arm and with movable body mobile cam rollers together, like this, can carry out the on-off action of the wing by cam mechanism reliably.

The effect of invention

According to the present invention, a kind of container shaping device is provided, can with the papery of container material, smoothness of the surface etc. irrespectively, can not cause unnecessary pressure ground, reluctantly and reliably flap not folded into to container.

Description of drawings

Fig. 1 is the lateral plan that has based on the package packing machine of device of the present invention.

Fig. 2 is the block diagram of not finishing container by this package packing machine manufacturing.

Fig. 3 is the block diagram of this intermediate receptacle.

Fig. 4 is this block diagram of finishing container.

Fig. 5 is the vertical longitudinal section of the connection device of this package packing machine.

Fig. 6 is its birds-eye view.

Fig. 7 is the vertical longitudinal section along the VII-VII line of Fig. 6.

Fig. 8 is the lateral plan of the folding device of this package packing machine.

Fig. 9 is the vertical sectional elevation along the IX-IX line of Fig. 8.

Figure 10 is the vertical sectional elevation along the X-X line of Fig. 8.

Figure 11 is the local amplification view of Fig. 8.

Figure 12 is the local amplification view of Fig. 9.

Figure 13 is the birds-eye view of the container handling device of this package packing machine.

Figure 14 is the vertical sectional elevation along the XIV-XIV line of Figure 13.

The specific embodiment

In the following description, be benchmark with Fig. 1, with the right side of Fig. 1 be before, with its left side be after, about what is called, be from forward observation, about its left and right sides is called.

With reference to Fig. 1, package packing machine has: do not finish container shaping device 11, its with content-filled container material pipe T by the sealing severing of the length of each container 1 and be configured as pillow and do not finish container C 1; Container connection device 12, it is never finished container shaping device 11 receptions and is not finished container C 1; Finish container shaping device 13, it is taken over the container C 1 of not finishing of not finishing container C 1 and will taking over from container connection device 12 and is configured as the rectangular-shaped container C 3 of finishing.

Represented among Fig. 2 not finish container C 1 by what finish that container shaping device 11 is shaped, represented to finish the intermediate receptacle C2 in the shaping way that container shaping device 13 carries out among Fig. 3, represented among Fig. 4 to finish that shaping that container shaping device 13 carries out finishes finishes container C 3.

Do not finish container C 1 and be pillow, in other words, be flat cylindrical as a whole, both ends have banded on sealing St and the Sb of lower seal portion.Each sealing St, Sb make the inner face of container material overlap sealing each other, are the structures of sealing.

Intermediate receptacle C2, the both ends up and down of not finishing container C 1 are flatly folding, be configured as roughly rectangular-shaped container body B, simultaneously, make the last flap Ft of triangular shape and following flap Fb outstanding from the both ends up and down of container body B.

Finishing container C 3, is to make on the end face of the container body B that flap Ft overlaps at intermediate receptacle C2, and sealed engagement is also formed, and is rectangular-shaped as a whole.

With reference to Fig. 5 and Fig. 6, container connection device 12 has the following direction of never finishing container shaping device 11 and finishes container shaping device 13 and the handing-over path R1 that extends of bottom forward, and has: the terminal from the top of handing-over path R1 to handing-over path R1 receives the guide 21 of not finishing container C 1 and guiding; To not finish container C 1 is pushed to handing-over path R1 from the top of handing-over path R1 terminal by what guide 21 received, and from the terminal of handing-over path R1 with the push rod 22 that container C 1 is released of not finishing on the guide 21; Can make in the terminal of handing-over path R1 and not finish container C 1 can remove the stop part 23 that the mode that stops stops freely on the guide 21; Thereby stop part 23 action can be made by stop part 23 do not finish container C 1 can remove the stop part actuating mechanism 24 that the mode that stops stops freely on the guide 21.

Not finishing the below of container shaping device 11 and the top of handing-over path R1 communicates by inclined ramp 25.

Below the terminal of handing-over path R1, dispose drive sprocket 31, below the top of handing-over path R1, dispose driven sprocket 32.Volume has hung with cingulum 33 on two

sprocket wheels

31,32.

Drive sprocket 31 is fixed on the horizontal axle drive shaft 34 of left and right directions extension.At the rear of axle drive shaft 34, dispose turning cylinder 35 in parallelly.

Guide 21 is by lower tilt and assortment become a plurality of track component 21a of shape arranged side by side to constitute forward along handing-over path R1.

Push rod 22 by on the band exterior side, separate a plurality of standing shape snap-latch piece 22a of foreign side that install than the big interval of the length of not finishing container C 1 and constitute.

Stop part 23 comprises: be bearing in arm member 23a on the turning cylinder 35 in freely the mode of swinging up and down; At the leading section of arm member 23a, be arranged to the backstopping assembly 23b of top standing shape integratedly with it.

Stop part actuating mechanism 24 is made of cam mechanism, comprising: be fixed on the axle drive shaft 34 and with outer peripheral face as the discoideus cam 41 of the approximate vertical of camming surface; Have the roller 42 that is connected on the camming surface and be fixed on arm shape follower 43 on the turning cylinder 35; The extension coil spring 44 that can not suppress follower 43 from the direction that camming surface separates to roller 42.

Axle drive shaft 34 with finish container shaping device 13 and synchronously rotate driving.Axle drive shaft 34 rotation then is with 33 drivenly, and simultaneously, cam 41 and follower 43 are followed this action, and turning cylinder 35 carries out reversible rotation, and arm member 23a swings up and down.When arm member 23a rose, backstopping assembly 23b was to the top turnover of track component 21a, and thus, stop part 23 is carried out and stopped action; When arm member 23a descended, backstopping assembly 23b made a concession to the below of track component 21a, and thus, the action that stops of stop part 23 is disengaged.

Do not finish container C 1 by what finish that container shaping device 11 is shaped, never finish container shaping device 11 and fall, by slideway 25 it is received, and guide to the top of handing-over path R1.At the top of handing-over path R1, do not finish container C 1 and be directed to part 21 receptions.What be directed to that part 21 receives does not finish container C 1, is forwards promoted by push rod 22, and is directed to terminal by guide 21 from the top of handing-over path R1.If do not finish the terminal that container C 1 is directed to handing-over path R1, then stop the stop part 23 to move before this, be disengaged and stop action.By push rod 22, do not finish the place ahead that container C 1 is pushed out to track component 21a.

What fall in slideway 25 does not finish container C 1, and 21a is received by track component, but this moment, and existing makes use of momentum slips over that track component 21a goes up and from the possibility that track component 21a goes up landing, but, can stop above-mentioned situation by stop part 23.

Finish container shaping device 13, as shown in Figure 1, have rotary shaping feedway 52, this shaping feedway 52 has 8 radial bottle holders 51.

Bottle holder 51 is by fixedly shaping piece 51a and movable shaping piece 51b constitute.With respect to fixing shaping piece 51a, movably be shaped piece 51b so that its leading section approaches, away from mode swing, thus, bottle holder 51 opens and closes.Bottle holder 51 during with respect to opening is not finished container C 1 and is finished container C 3 in its length direction advance and retreat maintenance freely.In addition, the movable shaping piece 51b of the bottle holder 51 during sealing and the fixing gap of shaping piece 51a are the sizes that is equivalent to finish the thickness of container C 3.And, can the bottle holder 51 when open will finish container C 3 and take out at its Width.

In the shaping feedway 52, bottle holder 51 is to stop at eight modes of handling station S1～S8 identical with its number in turn, and is driven off and on the clockwise direction in Fig. 1 shown in the arrow A.

Handle station S1～S8 one, be bottle holder 51 is stopped to keep from the locational supply station of not finishing container C 1 of connection device 12 releases, it is handled station S1 as first, arrange in turn fold into station namely second handle station S2, heating station namely the 3rd handle station S3, containment station namely the everywhere science and engineering position S4, discharge station and namely the 6th handle station S6.The 5th processing station S5, the 7th handles station S7 and the 8th processing station S8 is idle station.

The second～the everywhere on the S2～S4 of science and engineering position, disposes folding device 53, temperature booster 54 and sealing arrangement 55 in turn.Dispose eduction gear 56 on the 6th processing station S6.And, handle station S2 from second and handle station S3 to the science and engineering position S4 everywhere via the 3rd, be provided with flap and fold into guide 57.

Among Fig. 8～Figure 10, at length show folding device 53.

Folding device 53 has: anvil block 61, and it stops at second top of handling the bottle holder 51 among the station S2 being configured in respect to the mode that bottle holder 51 approaches, separates; The a pair of wing 62, it disposes in the mode that can open and close mutually in its both sides across anvil block (anvil) 61.

With reference to Figure 11 and Figure 12, anvil block 61 is by constituting with the square tabular shaping piece 61a of its moving direction as thickness.Be formed with in the bottom surface of shaping piece 61a and push face 61b.Be provided with the prominent bar 61c of cross-sectional plane V word shape at the face 61b of pushing.Shaping piece 61a forms taper towards rightabout two sides, and these two sides are as the compression face 61d with respect to the wing 62.

Each wing 62 is made of the tabular alar part spare 62a that cross-sectional plane is flexed into J word shape.The opposite face of both wings 62 becomes the skewed pushing face 62b with respect to anvil block compression face 61d.

In anvil block 61 bindings movable body 71 is arranged.Movable body 71 has the pilot bar 72 that extends at anvil block 61 moving directions.Pilot bar 72 communicates with sliding guidance tube 74 on being located at supporting mass 73.At pilot bar 72 roller installing component 75 is arranged fixedly.On roller installing component 75, the dog link 76 that extends abreast with pilot bar 72 is arranged fixedly.Dog link 76 connects supporting mass 73 sliding freely.

On movable body 71, be formed with at the slotted hole shape guide groove 77 that extends with pilot bar 72 orthogonal directionss.In guide groove 77, be interspersed with the crank pin 82 of crank mechanism 81.Crank pin 82 is attached on the crank shaft 84 by crank arm 83.Crank shaft 84 communicates with rotation guide barrel 85 on being located at supporting mass 73.

In its both sides, fixedly there is a pair of outstanding gripping arm 91 of each wing 62 to hang down from supporting mass 73 across pilot bar 72 in the bottom.On each outstanding gripping arm 91, be formed with the cam path 92 that extends at its length direction.The cam rollers 93 that is installed on the roller installing component 75 is inserted in each cam path 92 in the mode of rolling freely.

Do not finish container C 1 from what connection device 12 was pushed out, be maintained at and be in first and handle on the bottle holder 51 of station S1 standby.

Before bottle holder 51 stops at the first processing station S1, stop part 23 make the handing-over path R1 terminal on the container C 1 of not finishing stop, and, after bottle holder 51 stops at the first processing station S1, make stop part 23 actions so that this does not finish the releasing that stops of container C 1 by backstop actuating mechanism 24.

If the bottle holder 51 that is keeping not finishing container C 1 is moved into the second processing station S2, then back and forth drive by 81 pairs of movable bodys 71 of crank mechanism.So, with movable body 71 together, anvil block 61 and both wings 62 are not finished container C 1 advance and retreat with respect to remaining on the bottle holder 51, simultaneously, both wings 62 open and close.Thus, be shaped and not finish the end that should become container base side of container C 1.

In Figure 11 and Figure 12, at length show the situation of this shaping.The end that should be shaped is outstanding from bottle holder 51.Its end central authorities are pushed by anvil block 61.By open both wings 62 closures, from the both sides of the end central authorities that pushed by anvil block 61, make that should to become the part that goes up flap Ft outstanding upward, and its relative anvil block 61 is pushed.Thus, the base portion of the part of flap Ft on should becoming produces folding line, does not finish container C 1 and is shaped as intermediate receptacle C2.

After this, with movable body 71 together, anvil block 61 and both wings 62 separate from the intermediate receptacle C2 that is shaped, and are keeping the bottle holder 51 of intermediate receptacle C2 to handle station S2 from second and are moving to the 3rd processing station S3.Finally, up and down flap Ft, Fb are heated by temperature booster 54, and be sealed by sealing arrangement 55, becomes and finish container C 3.From middle container C 2 be configured as finish container C 3 during, as required, fold into guide 57 by flap, should become the part that goes up flap Ft and be folded into once again to overlapping direction to the end central authorities that are pushed into by anvil block 61.

Figure 13 and Figure 14 at length show eduction gear 56.

Handle station S6 the 6th, show forward the bottle holder 51 that oblique below stops.Periphery disposes container handling device 101 below this bottle holder 51.

Container handling device 101 has: as first feedway 111 of band feedway; Second feedway 112 as the fin feedway.

First feedway 111 has by driver train (omit diagram) and the plain weave band (plain belt) 121 that circulates in vertical surface continuously with certain speed.

Plain weave band 121 has the width more bigger than the width of the fore-and-aft direction of finishing container C 3, and, have the linearity upper path R2 that extends from the below of this bottle holder 51 left.Exterior region along upper path R2 is provided with container line slideway 122, is provided with the container guide rail 123 that stands up along the hinder marginal part of upper path R2.From overlooking observation, container line slideway 122 extends along the left and right directions in-line, spreads all over the exterior region that it is close to upper path R2 endlong.With it relatively, container stands up guide rail 123 with the mode bending of skew forward along with the trend left side.Stand up the roughly right half part of guide rail 123 of container leaves from the hinder marginal part of upper path R2, and the roughly left-half of guide rail 123 is close to the hinder marginal part of upper path R2 and container stands up.The stand up interval of guide rail 123 of container line slideway 122 and container, bigger than the width with 121 at its right half part, equate with width with 121 in its left-half.

Second feedway 112 has: be configured in upper path R2 the place ahead the downstream horizontal drive sprocket 131 and be configured in the horizontal driven sprocket 132 of its upstream side; Volume hang on two sprocket wheels 131,132 and in horizontal surface, circulate cingulum 133 arranged; Be mounted to a plurality of vertical plate-shaped fins 134 of side standing shape at certain intervals at the exterior side that cingulum 133 is arranged.

With respect to upper path R2, connect the angle θ that the straight line at two sprocket wheels 131,132 center has regulation.Two sprocket wheels rotate with certain speed in Figure 13 in the counterclockwise direction.

Have cingulum 133,131 straight line portioies that move form the feeding side path R3 of fins 134 from driven sprocket 132 to drive sprocket, join with it, mobile circular arc portion forms the reversing paths R4 of fin 134 around drive sprocket 131.The moving velocity of the front end of mobile fin 134 and cardinal extremity is identical in feeding side path R3.With it relatively, the moving velocity of the front end of mobile fin 134 is compared with the moving velocity of its cardinal extremity in reversing paths R4, and the height that is equivalent to fin 134 soon is the amount of the difference of radius of rotation.

The track of the front end of mobile fin 134 is represented that by imaginary line VL it is corresponding with low-speed region in feeding side path R3; The track of the front end of mobile fin 134 is represented that by imaginary line VH it is corresponding with high-speed region in reversing paths R4.The mode crosscut upper path sideling R2 that imaginary line VL then advances more forward more to tend to left between low regime.With it relatively, imaginary line VH forwards departs from from upper path R2 between high velocity.

In the mode of fin mobile in feeding side path R3 134 with the moving direction quadrature of plain weave band 121, each fin 134 is with respect to cingulum 133 bendings are arranged.The interval of two adjacent fins 134 is set at: with equate from finishing the discharge spacing of finishing container C 3 that container shaping device 13 discharges, or bigger slightly than it.Speed at the mobile fin 134 of feeding side path R3 is set at: on the moving direction of plain weave band 121, equate with the moving velocity of plain weave band 121.

Bottle holder 51 is handled station S6 the 6th and is stopped, if tightly back bottle holder 51 is open immediately simultaneously or at it with it, the container C 3 of finishing that then remains on the bottle holder 51 is disengaged maintenance, falls among the upper path R2.At this moment, be positioned on the plain weave band 121 with this end shoulder portion as that side of base portion of finishing container C 3.Then finish container C 3 and may be inverted if ignore, but finish container C 3 with respect to this, with fin 134 butts that move from the direction of belt travel upstream side, by with 121 and fin 134 prevent the inversion of this container.Keep this state to carry unchangeably and finish container C 3, during the guide rail 123 that stands up along container moves, finish container C 3 and erected.

Finishing before container C 3 will arrive reversing paths R4 from feeding side path R3 of the terminal that is carried to feeding side path R3, be connected to this before this and finish fin 134 on the container C 3 and finish container C 3 from this and keep out of the way.Thus, needn't worry because of fin 134 from low speed at a high speed velocity variations, finish container C 3 and fallen by band, after this, only by being with 121 pairs to finish container C 3 and carry.

In the above-mentioned explanation, 112 conducts are represented the device that fin 134 circulates in horizontal surface to second feedway, but are not to be necessary for horizontal surface, can also be the planes that is inclined relative to horizontal.

Industrial applicibility

Based on container shaping device of the present invention, be applicable to that the pillow that realization will be filled with beverage do not finish the rectangular-shaped container of finishing that container is configured as the band flap.

The explanation of Reference numeral

13 container shaping devices

51 bottle holders

52 shaping feedways

61 anvil blocks

62 wings

C1 does not finish container

C3 finishes container

Ft, Fb flap

S2 folds into station

Claims

1. a container shaping device is not finished the rectangular-shaped container of finishing that container is configured as the band flap for the pillow that will be filled with beverage, it is characterized in that this container shaping device has:

The shaping feedway has not finishing the bottle holder that container keeps, and gives prominence to upward from bottle holder so that finish the end of its container base end side of conduct of container, is driven off and in the mode that the invagination station stops with bottle holder;

With can stop at the bottle holder that folds into station above the anvil block that disposes of the mode that approaches, separate with respect to bottle holder;

The a pair of wing that is configured in its both sides and disposes in the mode of mutual switching across anvil block;

The anvil block driver train, drive anvil block make with respect to bottle holder near the time anvil block will not finish should pushing as the end central authorities of container base side of container;

Drive the wing driver train of both wings, make both wings when closing make should as the part of container flap from be pushed into by anvil block do not finish container should be outstanding and its relative anvil block pushed upward as the both sides of the end central authorities of container base side.

2. container shaping device as claimed in claim 1, it is characterized in that, feedway moving direction downstream folding into station disposes the invagination guide, and this invagination guide is not finished should folding into as the mode of the end central authorities of container base side of container with two flaps to overlap.

3. container shaping device as claimed in claim 1 or 2, it is characterized in that, the anvil block driver train has movable body, and is together mobile freely with anvil block on the direction that this movable body is approaching with respect to bottle holder at anvil block, separate, and drives by crank mechanism.

4. container shaping device as claimed in claim 3 is characterized in that, offers on the movable body along the guide groove that extends with the direction of its moving direction quadrature, and crank mechanism comprises: intert crank pin in guide groove; Leading section is fixed on the crank arm on the crank pin; For the fixing crank shaft of the base portion of crank arm.

5. container shaping device as claimed in claim 3, it is characterized in that wing driver train has: a pair of outstanding gripping arm, each wing is fixed on the bottom of this outstanding gripping arm, and the upper end of this outstanding gripping arm is being supported around the mode with the axis free swing of the moving direction quadrature of movable body; Arm swing mechanism is so that the mode that the bottom of two arms approaches, separates makes two outstanding gripping arm swings.

6. container shaping device as claimed in claim 4, it is characterized in that wing driver train has: a pair of outstanding gripping arm, each wing is fixed on the bottom of this outstanding gripping arm, and the upper end of this outstanding gripping arm is being supported around the mode with the axis free swing of the moving direction quadrature of movable body; Arm swing mechanism is so that the mode that the bottom of two arms approaches, separates makes two outstanding gripping arm swings.

7. container shaping device as claimed in claim 5, it is characterized in that, on each outstanding gripping arm, be formed with the cam path that extends at its length direction, arm swing mechanism is made of cam mechanism, this cam mechanism have in the cam path that inserts each outstanding gripping arm and with movable body mobile cam rollers together.

8. container shaping device as claimed in claim 6, it is characterized in that, on each outstanding gripping arm, be formed with the cam path that extends at its length direction, arm swing mechanism is made of cam mechanism, this cam mechanism have in the cam path that inserts each outstanding gripping arm and with movable body mobile cam rollers together.