CN101500783B

CN101500783B - Container blow molding system and label holding core

Info

Publication number: CN101500783B
Application number: CN2007800296297A
Authority: CN
Inventors: 山田务夫; 桥本宏; 内野丰
Original assignee: Dai Nippon Printing Co Ltd
Current assignee: Dai Nippon Printing Co Ltd
Priority date: 2006-08-09
Filing date: 2007-08-09
Publication date: 2012-08-08
Anticipated expiration: 2027-08-09
Also published as: TW200831271A; KR101391546B1; TWI400158B; CN101500783A; WO2008018547A1; JP5051132B2; KR20090036566A; JPWO2008018547A1

Abstract

A container blow molding system (10) comprising a turn table (11) for holding a blow metal mold (40), a label holding core (20) for supplying a label (3) into the blow metal mold (40) held on the turn table (11), and a perform holding element (41) for holding a perform (2a) to supply it into the blow metal mold (40). The perform holding element (41) is fitted to the blow metal mold (40) on the turn table (11), and air blowing device (43) is joined to this perform holding element (41). The label holding core (20) consists of a tubular body, and is formed with an inwardly recessed concave portion (20d) in one side of a side surface. The label (3) is wound around the label holding core (20), with the opposite ends (3a) of the label (3) received in the concave portion (20d).

Description

The blow molding system of container and label holding core

Technical field

The label holding core that the present invention relates to a kind of blow molding system of container and be used to the blow molding system of this container, the blow molding system of this container are used to be formed in the blow-molded container that the side has label.

Background technology

In the past, known have be formed in the blow molding system (with reference to patent documentation 1 to 3) that the side has the blow-molded container of label.

In these blow molding systems, in advance label is inserted in the blow mold, then preform (parison) is inserted in the blow mold, for the parison air supply, thereby at blow mold internal shaping blow-molded container.

[patent documentation 1] spy opens flat 5-8289

[patent documentation 2] spy opens flat 2-184884

[patent documentation 3] Te Kaiping-338018

In recent years, require to have higher gas-barrier property, therefore hope that blow-molded container has the label that has gas-barrier property, and the side that such label roll is contained in blow-molded container is on full week for blow-molded container.

But; Individual the label that is difficult to have the length in full week of a covering container side insert and remain on by about the blow mold that constitutes of divided mould in, the former of blow-molded container with the label in the full week of side that covers blow-molded container does not also develop.

On the other hand; A kind of will be in advance individual label bonding being opened in mould for the parts of cylinder and with the preform method that forms mounted thereto proposed in the example of japanese patent laid-open-338018; But; Need the formation operation of cylinder label, and in mould, to open the operation that preform is installed in wherein after the label be complicated.In addition, in the method, labelled zone is restricted, and can not cover the whole zone of cylinder.

Summary of the invention

The present invention has thought deeply such problem and has proposed; Purpose is to provide a kind of blow molding system and label holding core of container, can be easily and the blow-molded container that is shaped reliably and has the short transverse that comprises container and cover the label in full week of side.

The present invention is a kind of blow molding system of container, it is characterized in that, has: rotation rotary table freely keeps a plurality of blow molds; Label holding core batches and keeps label and in the blow mold with label supply to rotary table; Preform keeps supply unit, and it is chimeric and preform is supplied in the blow mold to keep preform to merge with the blow mold of rotary table; The air device for blowing is with the preform maintenance supply unit binding of the blow mold that is embedded in rotary table; The blowing mold closing mechanism, with the preform maintaining part and the blow mold matched moulds that keep preform, label holding core is made up of the cylinder that in blow mold, inserts freely.

The present invention is a kind of blow molding system of container, it is characterized by, and one side is provided with the recess at the both ends of the recessed and income label of inside side in the side of cylinder.

The present invention is a kind of blow molding system of container, it is characterized by, and is provided with a pair of little cylindrical portion that forms recess in the side of label holding core.

The present invention is a kind of blow molding system of container, it is characterized by, and on the side of label holding core, is formed with the adsorption section of absorption label.

The present invention is a kind of blow molding system of container; It is characterized by the preform forming section that is provided with the shaping preform at the upstream side of rotary table, and the preform that in the preform forming section, is shaped is kept supply unit to be transported to the blow mold of rotary table by preform.

The present invention is a kind of blow molding system of container, it is characterized by, and between preform forming section and rotary table, is provided with the gate cutting portion with the gate cutting of preform.

The present invention is a kind of blow molding system of container, it is characterized by, and between preform forming section and gate cutting portion, is provided with the preform cooling end of cooling preform.

The present invention is a kind of blow molding system of container, it is characterized by, and between preform forming section and rotary table, is provided with the preform heating part of heating preform.

The present invention is a kind of blow molding system of container; It is characterized by; Label holding core is approached rotary table and the supply workbench that moves freely keeps, supply with workbench with the rotary table opposition side on, be equipped with the label shaping supply unit that is shaped and supplies with label.

The present invention is a kind of blow molding system of container, it is characterized by, and label shaping supply unit has: label cut-out portion, cut off label stock (former anti-) and carry out label and be shaped; Label supply portion, with the label supply that has been shaped to the label holding core of supplying with workbench.

The present invention is a kind of blow molding system of container; It is characterized by; The label stock that label cut-out portion carries along throughput direction longitudinal shear along continuous straight runs then cuts off perpendicular to throughput direction ground, the label of shaping along continuous straight runs configuration; Label supply portion has: carrier, and along continuous straight runs keeps label; The label rotating mechanism, the supporting carrier and rotate and on vertical direction, erect label and with label supply to label holding core.

The present invention is a kind of blow molding system, it is characterized by, and the inner surface of blow mold is provided with the adsorption section of absorption label.

The present invention is a kind of blow molding system, it is characterized by, and blow mold is heated temperature adjustment.

The present invention is a kind of blow molding system; It is characterized by; Label holding core is set at via the label holding core pedestal and supplies with on the workbench, and supplies with workbench and can be positioned at the transfer position that the label that label is supplied to the supply position of label holding core periphery and will remains on the label holding core periphery from label shaping supply unit transfers load to the blow mold that remains on the rotary table.

The present invention is a kind of blow molding system, it is characterized by, and is provided with freely supplying with to go up and down near the supply position of workbench: label central authorities thrust piece will press against on the label holding core periphery from the be shaped label central portion of supply unit supply of label; A pair of package roller is arranged on the both sides of label central authorities thrust piece and moves on one side along the label holding core periphery on one side label roll is contained in the label holding core periphery.

The present invention is a kind of blow molding system, it is characterized by, and on the part relative with the central thrust piece of label, goes up and down to be provided with freely the label top thrust piece to the head portion of label holding core pushing label for label holding core.

The present invention is a kind of blow molding system; It is characterized by; Label central authorities thrust piece, a pair of package roller and label top thrust piece remain on the up-down lifting platform freely; The label holding core pedestal is provided with locating aperture, and lifting platform is provided with the alignment pin that can be inserted in the locating aperture.

The present invention is a kind of blow molding system; It is characterized by; The label holding core pedestal can be with respect to supplying with movable workbench via positioning mounting; And on the label holding core pedestal, locating aperture is set, and near supplying with the transfer position of workbench, goes up and down to be provided with freely and have the location-plate that can be inserted into the alignment pin in the locating aperture, and location-plate is provided with blow mold periphery butt the registration roller of confirming the position of location-plate with respect to blow mold.

The present invention is a kind of blow molding system; It is characterized by; The top of alignment pin is the top shape that attenuates, and when alignment pin is inserted in the locating aperture, and the label holding core pedestal carries out the location of label holding core with respect to blow mold with respect to supplying with movable workbench.

The present invention is a kind of blow molding system, it is characterized by, and location-plate is urged mechanism and presses to the blow mold thruster.

The present invention is a kind of label holding core; The maintenance label also is inserted into to blow mold; It is characterized by, constitute, and one side is provided with the recess that inside side was recessed into and took in the both ends of label in the side of cylinder by the cylinder that in blow mold, inserts freely.

The present invention is a kind of label holding core, it is characterized by, and the side of label holding core is provided with a pair of little cylindrical portion that forms recess.

The present invention is a kind of label holding core, it is characterized by the adsorption section that on the side of label holding core, is formed with the absorption label.

On label holding core, be formed with the recess at the both ends of income label according to the present invention of above explanation, so can be inserted in the blow mold by the label that circumferencial direction length is long.Therefore, can use the long label of circumferencial direction length and blow-molded container that the full week of general lateral that is shaped easily and reliably is capped.

Description of drawings

Fig. 1 (a)～Fig. 1 (e) is the skeleton diagram of the blow molding system of expression container of the present invention.

Fig. 2 is the whole vertical view of the blow molding system of expression container of the present invention.

Fig. 3 is that expression keeps the supply workbench of label holding core and the side view of label shaping supply unit.

Fig. 4 is that expression keeps the supply workbench of label holding core and the vertical view of label shaping supply unit.

Fig. 5 is the side view that expression keeps the rotary table of blow mold.

Fig. 6 is the vertical view that expression keeps the rotary table of blow mold.

Fig. 7 is the sectional view of expression blow mold.

Fig. 8 is the stereogram of expression label holding core.

Fig. 9 (a) is the sectional view of expression blow-molded container (b).

Figure 10 is the cutaway view of expression label holding core.

Figure 11 (a) is the stereogram of the variation of expression label holding core, and Figure 11 (b) is its cutaway view.

Figure 12 (a) is the side view that expression is contained in label roll the mechanism on the periphery of label holding core (b).

Figure 13 is the A-A line cutaway view that expression is contained in label roll Figure 12 (b) of the mechanism on the periphery of label holding core.

Figure 14 (a) is the side view of expression with respect to the mechanism of blow mold positioning label holding core (b).

Figure 15 is the vertical view of expression with respect to the mechanism of blow mold positioning label holding core.

The specific embodiment

Following with reference to description of drawings embodiment of the present invention.

Fig. 1 to Figure 10 is the figure of embodiment of blow molding system and the label holding core of expression container of the present invention.

At first (b) blow molding system of container is described and the summary of the blow-molded container that is shaped by this blow molding system according to Fig. 1 and Fig. 9 (a).

As Fig. 1 and Fig. 9 (a) (b) shown in, blow-molded container 1 is shaped by biaxial stretch blow molding, has vessel 2 and is wrapped in the label 3 of side on full week of vessel 2.

At this moment, shown in Fig. 9 (a), label 3 is wrapped in the general lateral of vessel 2 on full week, and the gap is set between the both ends of label 3 hardly.

Because in this wise by label 3 can covering container body 2 general lateral week entirely, so blow-molded container 1 whole gas-barrier property is improved through the high label 3 of using gases shielding.

Blow-molded container 1 shown in Fig. 9 (a) has the label 3 in the full week of side of covering container body 2 in addition; Label 3 side week entirely of covering container body 2 not and is formed with very big gap between the both ends of label 3 in the blow-molded container shown in the comparative example of Fig. 9 (b) 1.

The vessel 2 of the blow-molded container 1 shown in Fig. 9 (a) carries out biaxial stretch blow molding through the preform with the PP system and obtains.Label 3 is with the OPP/Al/ heat-sealing OPP system of heat sealability OPP as bonding plane in addition.

Then, set forth the summary of blow molding method of the blow molding system of container of the present invention according to Fig. 1 (a)-(e).At first shown in Fig. 1 (a), the preform 2a of shaping PP system in preform forming section 15 with preform shaping

dies

15a, 15b.

Next the preform 2a that in preform forming section 15, is shaped is kept body 41 to keep by preform.Preform keeps body 41 to be transported body 42 maintenances and transports.At this moment, keep body 41 and transport body 42 formation preform maintaining parts 19 (Fig. 2) by preform.

The preform maintenance body 41 of maintenance preform 2a is transported body 42 and is transported to heating part 18, and in this heating part 18, heats preform 2a (Fig. 1 (b)).

Then, blow mold 40 descends with respect to the preform 2a that is kept body 41 to keep by preform in blow molding portion 12, and preform keeps body 41 to be inserted in the blow mold 40.At this moment, the label holding core of stating behind label 3 quilts 20 supplies in the blow mold 40 (Fig. 1 (c)) in advance.

Then as Fig. 1 (d) shown in, air device for blowing 43 with respect to keep at the preform that is arranged in the blow mold 40 in the blow molding portion 12 body 41 receive from below rise also approaching.Like this, air device for blowing 43 keeps body 41 to link with preform, and air is supplied in the preform 2a from air device for blowing 43, and preform 2a is by by the air of so supplying with and at blow mold 40 intramedullary expansions, thus shaping blow-molded container 1.This moment is in blow mold 40, by the be shaped blow-molded container 1 of the label 3 of side on full week that comprise the vessel 2 that is made up of preform 2a and be wrapped in vessel 2 of biaxial stretch blow molding.

Then blow mold 40 keeps body 41 to rise from preform, on preform maintenance body 41, can obtain to have the blow-molded container 1 (Fig. 1 (e)) of label 3 like this.

The blow molding system 10 of container of the present invention then at length is described according to Fig. 2.

The blow molding system 10 of container has: rotation rotary table 11 freely keeps above-mentioned a plurality of blow mold 40; Label holding core 20 is reeled and is kept label 3 and label 3 is supplied in the blow mold 40 of rotary table 11; Preform keeps body 41, keeps preform 2a and chimeric and preform 2a is supplied to blow mold 40 with the blow molding portion that is positioned at rotary table 11 12 place's blow molds 40; Air device for blowing 43 keeps body 41 to link freely with the preform of the blow mold 40 that is embedded in blow molding portion 12 places that are positioned at rotary table 11.

In addition, the upstream side at rotary table 11 is provided with by a pair of preform shaping dies 15a of shaping preform 2a, the preform forming section 15 that 15b constitutes.The gate cutting portion 17 of the gate cutting of the preform 2a that is disposed with the preform cooling end 16 of the preform 2a that cooling is shaped by preform forming section 15 in the downstream of preform forming section 15 and will in preform cooling end 16, be cooled.

The preform 2a that in preform cooling end 16, is cooled and in gate cutting portion, is cut off cast gate is kept body 41 to keep by preform, and preform keeps body 41 to be transported body 42 being transported to heating part 18.Keep body 41 by preform in addition and transport body 42 constituting preform maintenance supply unit 19.

The preform 2a that is kept body 41 to keep by preform is transported to heating part 18, and in this heating part 18, is heated.Afterwards, the preform that maintains preform 2a keeps body 41 to be transported to rotary table 11.

The blow mold 40 that remains on the rotary table 11 is transported along with the rotation of rotary table 11, and the label 3 that is kept by label holding core 20 is fed in the blow mold 40.

Promptly closely rotate to be provided with freely with rotary table 11 and supply with workbench 13, label holding core 20 is maintained on this supply workbench 13.And dispose the label shaping supply unit 21 that is shaped and supplies with label 3 with rotary table 11 opposition sides what supply with workbench 13.

Then the supply workbench 13 and label shaping supply unit 21 that keeps label holding core 20 is described according to Fig. 3 and Fig. 4.

Supply with workbench 13 and closely is provided with, and be shaped and the label shaping supply unit 21 of supply label 3 in disposing of supplying with workbench 13 with rotary table 11 opposition sides with rotary table 11.

Label shaping supply unit 21 has: label stock supply unit 28, supply with label stock 22; Guide reel 31, the label stock 22 that guiding is supplied with from label stock supply unit 28; Rip cutting cutter 23 is arranged on the downstream of guide reel 31, on label stock 22, forms slit and forms many elongated for example four banded label stocks 22 along carriage direction; Label cut-out portion 24 is arranged on the downstream of rip cutting cutter 23 and cuts off label stock 22 and shaping label 3.

The downstream of this external label cut-out portion 24 is provided with the clamp 33 of controlling label stock 22, and below label cut-out portion 24 and clamp 33, is provided with the carrier 25 of accepting the label 3 that is shaped by label cut-out portion 24.Label through selecting label cut-out portion 24 cuts off blade and the label 3 wavy, zigzag fashion that can be shaped.

Can rotate carrier 25 by bar (rotating mechanism) 26 in addition, and will keep label 3 in the horizontal direction to erect to vertical direction.Be that bar 26 rotates to be installed in freely by base 35 and moving on the moving body 27 that keeps freely on the width, can make the carrier 25 of accepting label 3 turn to the upright position from horizontal level.

At this moment, constitute label supply portion, and constitute the label forming section with label cut-out portion 24 by clamp 33 by the moving body on the base 35 27, bar 26 and carrier 25.

In addition, on supply workbench 13, label holding core 20 is installed, this label holding core 20 is provided with four in a side of supplying with workbench 13, is provided with four at the opposite side of supplying with workbench 13, designs eight altogether.And the label holding core 20 of a side of supply workbench 13 and the label holding core 20 of opposite side can reciprocally separate contact by pressure cylinder.

; When near the long label 3 that exceeds 360 ° 360 ° that install from periphery length; Label holding core 20 is made up of the parts that are roughly cylinder like Fig. 8 and shown in Figure 10, and one side is provided with the recess 20d of the both ends 3a of the recessed and income label 3 of inside side in the side of cylinder.

Promptly the side of label holding core 20 is provided with a pair of little

cylindrical portion

20b, 20c, and between this a pair of little

cylindrical portion

20b, 20c, is formed with the recess 20d of the both ends 3a of income label 3.The side of this external label holding core 20 is provided with adsorption section (adsorption hole) 20a that absorption keeps label.

So, because on the side of label holding core 20, be formed with the recess 20d of the both ends 3a of income label 3, so can on the side of label holding core 20, enter to the mode package label 3 in the recess 20d by the both ends 3a with label 3.Therefore compare with the situation that does not have recess 20d, can the long in a circumferential direction label 3 of package by label holding core 20.

In addition, for than the short less than more than 180 ° of the periphery length of label holding core 20 360 ° (staying the gap of 0～5mm) time, also can use the parts cylindraceous (Figure 11 (a) (b)) that are provided with adsorption hole 20f in periphery at label 3 as label holding core 20.

Then explanation is rotated the blow mold 40 that workbench 11 keeps according to Fig. 5 to Fig. 7.

To shown in Figure 7, rotary table 11 is provided with two groups to four groups blow mold 40, and every group includes four blow molds 40 like Fig. 5.The situation of in Fig. 5 to Fig. 7, having showed in addition, four groups.In addition, when the blow mold group that comprises four blow molds 40 is four groups, whenever be provided with separately at a distance from 90 °.On the other hand, in the time of two groups, blow mold 40 whenever is provided with at a distance from 180 ° separately.

In addition, be held plate 53 keeps with being arranged on blow mold 40 every tetrads on the rotary table 11.Promptly keep the holding plate 53 of the blow mold 40 of each group can on above-below direction, move with respect to rotary table 11 at pressure cylinder 50 places, four blow molds 40 are via keeping bar 51 to be installed on the holding plate 53.

In addition, below rotary table 11, be provided with base portion 55, rotary table 11 being raised clothes motor 48 and rotating by being arranged on the base portion 55.

In addition, the right side of rotary table 11 is a blow molding portion 12 among Fig. 5, and the left side of rotary table 11 is inserted into the 13b of transfer portion in the blow mold 40 for the label 3 that will be wrapped on the label holding core of supplying with on the workbench 13 20.In addition, the opposition side of the 13b of transfer portion of supply workbench 13 is for being supplied to label 3 the supply unit 13a (with reference to Fig. 4) of label holding core 20.

As shown in Figure 5, be provided with air device for blowing 43 with blow molding portion 12 corresponding parts in the base portion 55, this air device for blowing 43 is provided with compressed air and is blown into a mouthful 43a.

And then base portion 55 is provided with the stretch 45 that connects air device for blowing 43, by being installed in lifting pressure cylinder 45a on the base portion 55 this stretch 45 moved up at upper and lower.Stretch 45 is inserted in the preform 2a that remains in the blow mold 40, and when blow molding, pushes preform 2a with respect to blow mold 40.

But as shown in Figure 7, blow mold 40 has side combination die 40a cylindraceous and end combination die 40c.And the preform that maintains preform 2a keeps body 41 chimeric with the side combination die 40a and the blowing mold closing mechanism 140 of blow mold 40, and preform 2a is kept body 41 and is arranged on blowing mold closing mechanism 140 clampings that preform keeps the outside of body 41 by preform.

And then in Fig. 7, in blow mold 40, above-mentioned stretch 45 rises from lower direction top and to the end combination die 40c pushing preform 2a of blow mold 40.And blow mold 40 can be carried out adjustment by the integral body heating.

Then explanation comprises the effect of this embodiment of these formations.

As shown in Figure 2, shaping preform 2a in preform forming section 15 with a pair of preform shaping dies 15a, 15b.

The preform 2a that in preform forming section 15, is shaped is cooled in preform cooling end 16.

Then, preform 2a is transported to gate cutting portion 17 and is cut off cast gate.

The preform 2a that in preform cooling end 16, is cooled, in gate cutting portion, is cut off cast gate is kept body 41 to keep by preform, and preform maintenance body 41 is transported body 42 and is transported to heating part 18.

Between this, the blow mold 40 that remains on the rotary table 11 is transported along with the rotation of rotary table 11, and the label 3 that is kept by label holding core 20 is supplied in the blow mold 40.

Shaping label 3 then is described and this label 3 is supplied to the effect in the blow mold 40.

At first, like Fig. 3 and shown in Figure 4, the label 3 that shaping label 3 also will so be shaped in label shaping supply unit 21 is supplied with to label holding core 20 sides.

Promptly in Fig. 3 and Fig. 4, supply with label stocks 22 from the label stock supply unit 28 of label shaping supply unit 21, the label stock of supplying with from label stock supply unit 28 22 is directed roller 31 and transports to rip cutting cutter 23 sides in the downstream that is arranged on guide reel 31.In this rip cutting cutter 23, label stock 22 is formed a plurality of slits and is formed elongated a plurality of for example four banded label stocks 22 along carriage direction.Afterwards, banded label stock 22 is cut off and shaping label 3 in the label cut-out portion 24 in the downstream that is arranged on rip cutting cutter 23.In addition this moment, the top of label stock 22 is controlled by clamp 33.

The label 3 that then in label cut-out portion 24, cuts off label stock 22 and be shaped be set at label cut-out portion 24 and clamp 33 below carrier 25 accept.

Then, the moving body 27 that keeps each carrier 25 moves and carrier 25 broad ways expand and open to width, and then, carrier 25 rotates 90 ° and the direction of the label 3 that will extend along carriage direction changes and broad ways disposes.

Then, the label 3 on the carrier 25 rotates by bar (rotating mechanism) 26, changes direction to vertical direction from horizontal direction.

So the direction of label 3 is transformed to vertical direction from horizontal direction, thereby label 3 is wrapped in the periphery that is pre-configured in locational four label holding cores 20 of supply of supplying with workbench 13 by carrier 25.

At this moment, because the periphery of label holding core 20 is provided with adsorption section 20a, so label 3 is kept by the adsorption section 20a of label holding core 20 absorption.

But as stated, the side of label holding core 20 is provided with a pair of little

cylindrical portion

20b, 20c, and between this a pair of little

cylindrical portion

20b, 20c, forms the recess 20d of the both ends 3a of income label 3.

So, because on the side of label holding core 20, be formed with the recess 20d of the both ends 3a of income label 3, so the mode that can enter in the recess 20d with the both ends 3a of label 3 is wrapped in label 3 on the side of label holding core 20.Therefore compare with the situation that does not have recess 20d, by the long label 3 of label holding core 20 package in a circumferential direction.

Then; Supply with workbench 13 Rotate 180s °; Four label holding cores 20 that are positioned on the supply position 13a that supplies with workbench 13 are supplied with to the transfer position 13b that supplies with workbench 13, and the label 3 that in the 13b of this transfer position, is kept by label holding core 20 inserts and transfers load in the blow mold 40.

Promptly be rotated four blow molds 40 standby on the 13b of transfer position that workbench 11 keeps.If label keeps 20 to come transfer position 13b; Then blow mold 40 is fallen to label holding core 20 sides by the pressure cylinder 50 that is arranged on the rotary table 11; The label 3 that is kept by label holding core 20 is inserted in the blow mold 40; Perhaps in turn carry out the absorption releasing of label holding core 20 and the suction-operated in the blow mold 40 simultaneously, thereby label 3 transfers load in the blow mold 40 from label holding core 20.

At this moment, label 3 is set at the adsorption hole on blow mold 40 inner surfaces or adsorbs slit or the maintenance of these combine adsorption.

In addition as stated, can keep the long label 3 of circumferencial direction length by label holding core 20.Therefore can be in blow mold 40 the long label of plug-in mounting circumferencial direction length easily and reliably, the roughly full week that can cover blow-molded containers 1 by label 3.

Then, rotary table 11 rotates by raising clothes motor 48 and makes blow mold 40 come blow molding portion 12 sides.Below blow mold 40, dispose the preform that keeps preform 2a this moment and keep body 41.Make blow mold 40 and preform keep body 41 to descend afterwards, and preform keep body 41 and be arranged on base portion 55 in blow molding portion 12 corresponding part on air device for blowing 43 chimeric.

Then, compressed air is blown into a mouthful 43a and is supplied in the preform 2a from being arranged on compressed air on the air device for blowing 43.

As above-mentioned, base portion 55 is provided with the stretch 45 that connects air suction apparatus 43, and with the compressed-air actuated supply while in preform 2a, stretch 45 moves to the top by being installed in the lifting pressure cylinder 45a on the base portion 55.The stretch 45 that moves to the top is inserted in the preform 2a that remains in the blow mold 40, and with respect to blow mold 40 pushing preform 2a.

So, can in blow mold 40, obtain to be bonded in the blow-molded container 1 that the vessel 2 in the foreign side of side constitutes by label 3 by biaxial stretch blow molding.

In this embodiment; Can the label 3 that kept by label holding core 20 be inserted in the blow mold 40; And label holding core 20 is provided with the both ends 3a of income label 3, the recess 20d of 3a, so label 3 that can circumferencial direction length is long is inserted in the blow mold 40.Therefore, can cover the roughly full week of blow-molded container 1 by the long label 3 of circumferencial direction length.

Then, illustrate in greater detail according to Fig. 3, Figure 12 and Figure 13 the label 3 on the carrier 25 that is undertaken on label shaping supply unit 21 is wrapped in the mechanism that is configured on the periphery of supplying with the label holding core 20 on the workbench 13.

Like Fig. 3, Figure 12 and shown in Figure 13, be undertaken on label 3 on the carrier 25 of label shaping supply unit 21 and be wrapped in and be configured on the periphery of supplying with the label holding core 20 on the workbench 13.

At this moment, by bar 26 direction of carrier 25 is transformed to vertical direction from horizontal direction.And label holding core 20 is configured in via label holding core pedestal 65 to be supplied with on the workbench 13.And label holding core pedestal 65 is parts of supporting fixed labels holding core 20, can move and the position of fine adjustment label holding core pedestal 65 with respect to supplying with workbench 13 via positioning mounting 66.

But, supply with workbench 13 and can be positioned at label 3 is supplied to the supply position 13a on label holding core 20 peripheries and will remains on the transfer position 13b (with reference to Fig. 4) that label 3 on label holding core 20 peripheries transfers load to the blow mold 40 that remains on the rotary table 11 from label shaping supply unit 21.

In addition, like Figure 12 and shown in Figure 13, near the supply position 13a that supplies with workbench, go up and down to be provided with freely lifting platform 60.In addition, this lifting platform 60 is provided with: label central authorities thrust piece 61, and the central portion of the label 3 that will supply with from carrier 25 presses against on label holding core 20 peripheries; A pair of

package roller

62a, 62b are arranged on the both sides of label central authorities thrust piece 61 and move on one side along label holding core 20 peripheries on one side label 3 is wrapped on label holding core 20 peripheries.And then, on lifting platform 60, on the part relative, be provided with label top thrust piece 63 with respect to the two end portions (head portion) of label holding core 20 pushing labels 3 for label holding core 20 and label central authorities thrust pieces 61.

Via driving pressure cylinder 61S, 62S and 63S these labels central authorities thrust pieces 61, a pair of

package roller

62a, 62b and label top thrust piece 63 are separately positioned on the lifting platform 60, and these labels central authorities thrust pieces 61, a pair of

package roller

62a, 62b and label top thrust piece 63 are driven by driving

pressure cylinder

61S, 62S and 63 respectively.

In addition, label holding core pedestal 65 and positioning mounting 66 go up and down with respect to supplying with workbench 13 by driving pressure cylinder 66S.And label holding core pedestal 65 is provided with locating aperture 65a, and has attenuate shape and can be inserted into the alignment pin 64 in the locating aperture 65a of top at lower end 64a place being equipped with on the lifting platform 60.

In Figure 12 and Figure 13, come supply position 13a if supply with workbench 13, the label holding core pedestal 65 that then is positioned at the position of Figure 12 (a) is at first risen to the position of Figure 12 (b) by driving pressure cylinder 66S driving.

Then, the carrier 25 of accepting label 3 half-twist and the direction of carrier 25 is transformed to vertical direction from horizontal direction under the effect of bar 26 is positioned at label 3 and label holding core 20 periphery butts on the carrier 25.In addition, carrier 25 has a pair of

adsorption section

25a, 25b, and label 3 be adsorbed remain on this a pair of

adsorption section

25a, 25b is last.

Then; Lifting platform 60 descends and the alignment pin 64 of lifting platform 60 is inserted in the locating aperture 65a of label holding core pedestal 65; And via positioning mounting 66 that label holding core pedestal 65 is mobile slightly with respect to supplying with workbench 13, with respect to supplying with workbench 13 and lifting platform 60 positioning label holding core pedestal 65 correctly.

At this moment, in label central authorities' thrust piece 61 and a pair of package roller 62a, the space 25c of 62b between a pair of

adsorption section

25a, 25b.

Then, label central authorities thrust piece 61 is driven by driving pressure cylinder 61S and the central portion of label 3 is pressed against on label holding core 20 peripheries.

Afterwards, stop a pair of adsorption section 25a, the adsorption operation of 25b, whole carrier 25 is by bar 26 and half-twist and leave from label holding core 20 and get back to the home position.

Then, a pair of

package roller

62a, 62b are driven by driving pressure cylinder 62S and move along label holding core 20 peripheries, and be wrapped in label 3 label holding core 20 peripheries on by a pair of

package roller

62a, 62b this moment.Afterwards, label top thrust piece 63 is driven by driving pressure cylinder 63S, with respect to the head portion of label holding core 20 pushing labels 3.Afterwards; Label 3 is adsorbed and remains on label holding core 20 peripheries; And a pair of

package roller

62a, 62b get back to the home position by driving pressure cylinder 62S, and label central authorities thrust piece 61 leaves from label holding core 20 by driving pressure cylinder 61S, 63S with label top thrust piece 63.The shape of label top thrust piece 63 can suit to select.Under the situation of the label holding core that has the recess 20d as Figure 10, be the triangular prism shape that is suitable for pushing.

Then, lifting platform 60 is risen and get back to the home position, and label holding core pedestal 65 is descended and get back to the home position.

So, can the label 3 that be positioned on the carrier 25 correctly and reliably be wrapped on label holding core 20 peripheries.

Then the mechanism with respect to blow mold 40 positioning label holding cores 20 at length is described according to Fig. 5, Figure 14 and Figure 15.Like Fig. 5, Figure 14 and shown in Figure 15, package has the label holding core 20 of label 3 to be inserted in the blow mold 40.

At this moment, via label holding core pedestal 65 label holding core 20 is configured on the supply workbench 13.And label holding core pedestal 65 is parts of supporting fixed labels holding core 20, and it is moved and the position of fine adjustment label holding core pedestal 65 with respect to supplying with workbench 13 via positioning mounting 66.

Supplying with workbench 13 can be positioned at label 3 is supplied to the supply position 13a on label holding core 20 peripheries and will remains on the transfer position 13b (with reference to Fig. 4) that label 3 on label holding core 20 peripheries transfers load to the blow mold 40 that remains on the rotary table 11 from label shaping supply unit 21.

Like Figure 14 and shown in Figure 15, near the transfer position 13b that supplies with workbench 13, go up and down to be provided with freely location-plate 72.And label holding core pedestal 65 has locating aperture 65a, and location-plate 72 is provided with a pair of alignment pin 73a, the 73b that can be inserted in the locating aperture 65a, and 73 places, lower end of each alignment pin 73a, 73b form the top shape that attenuates.

In addition, location-plate 72 is provided with a pair of registration roller 71a, the 71b that locatees the position of location-plates 72 with the periphery butt of blow mold 40 and with respect to blow mold 40.

And then location-plate 72 is pressed to blow mold 40 thrusters by driving pressure cylinder 72S.

In Figure 14 and Figure 15, come transfer position 13b if supply with workbench 13, then at first blow mold 40 descends.Then, location-plate 72 is driven by driving pressure cylinder 72S, and the periphery butt of a pair of registration roller 71a, 71b and blow mold 40.So confirm the position of location-plate 72 with respect to blow mold 40.

Then, label holding core pedestal 65 and positioning mounting 66 are driven by driving pressure cylinder 66S and rise.At this moment; The alignment pin 73a of location-

plate

72,73b are inserted in the locating aperture 65a of label holding core pedestal 65; Label holding core pedestal 65 is mobile slightly with respect to supplying with workbench 13 via positioning mounting 66, carries out the location of label holding core 20 with respect to blow mold 40.

So, can be with respect to blow mold 40 positioning label holding core 20 accurately, thus can the label 3 that remain on label holding core 20 peripheries be inserted in the blow mold 40 accurately.

Claims

1. the blow molding system of a container is characterized in that,

Have: rotation rotary table freely keeps a plurality of blow molds;

Label holding core batches and keeps label and in the blow mold with label supply to rotary table;

Preform keeps supply unit, keeps preform and chimeric and preform is supplied in the blow mold with the blow mold of rotary table;

The air device for blowing is with the preform maintenance supply unit binding of the blow mold that is embedded in rotary table;

The blowing mold closing mechanism keeps supply unit and blow mold matched moulds with the preform that keeps preform,

Label holding core is made up of the cylinder that in blow mold, inserts freely,

One side is provided with the recess at the both ends of the recessed and income label of inside side in the side of cylinder.

2. the blow molding system of container as claimed in claim 1 is characterized in that, is provided with a pair of little cylindrical portion in the side of label holding core, between this a pair of little cylindrical portion, is formed with said recess.

3. the blow molding system of container as claimed in claim 1 is characterized in that, on the side of label holding core, is formed with the adsorption section of absorption label.

4. the blow molding system of container as claimed in claim 1; It is characterized in that; Be provided with the preform forming section of shaping preform at the upstream side of rotary table, and the preform that in the preform forming section, is shaped is kept supply unit to be transported to the blow mold of rotary table by preform.

5. the blow molding system of container as claimed in claim 4 is characterized in that, between preform forming section and rotary table, is provided with the gate cutting portion with the gate cutting of preform.

6. the blow molding system of container as claimed in claim 5 is characterized in that, between preform forming section and gate cutting portion, is provided with the preform cooling end of cooling preform.

7. the blow molding system of container as claimed in claim 4 is characterized in that, between preform forming section and rotary table, is provided with the preform heating part of heating preform.

8. blow molding system as claimed in claim 1 is characterized in that, label holding core is kept by the supply workbench that approaches rotary table and move freely,

Supply with workbench with the rotary table opposition side on, be equipped with the label shaping supply unit that is shaped and supplies with label.

9. blow molding system as claimed in claim 8 is characterized in that, label shaping supply unit has: label cut-out portion, cut off label stock and carry out label and be shaped; Label supply portion, with the label supply that has been shaped to the label holding core of supplying with workbench.

10. blow molding system as claimed in claim 9 is characterized in that, label cut-out portion cuts off the label stock that along continuous straight runs is carried, the label of shaping along continuous straight runs configuration,

Label supply portion has: carrier, and along continuous straight runs keeps label; The label rotating mechanism, the supporting carrier and rotate and on vertical direction, erect label and with label supply to label holding core.

11. blow molding system as claimed in claim 1 is characterized in that, the inner surface of blow mold is provided with the adsorption section of absorption label.

12. blow molding system as claimed in claim 1 is characterized in that blow mold is heated temperature adjustment.

13. know the described blow molding system of claim 8, it is characterized in that label holding core is set at via the label holding core pedestal and supplies with on the workbench,

And supply with workbench and can be positioned at the transfer position that the label that label is supplied to the supply position of label holding core periphery and will remains on the label holding core periphery from label shaping supply unit transfers load to the blow mold that remains on the rotary table.

14. blow molding system as claimed in claim 13; It is characterized in that; Be provided with freely supplying with to go up and down near the supply position of workbench: label central authorities thrust piece will press against on the label holding core periphery from the be shaped label central portion of supply unit supply of label; A pair of package rod is arranged on the both sides of label central authorities thrust piece and moves on one side along the label holding core periphery on one side label roll is contained in the label holding core periphery.

15. blow molding system as claimed in claim 14 is characterized in that, on the part relative with label central authorities thrust piece for label holding core, goes up and down to be provided with freely the label top thrust piece to the head portion of label holding core pushing label.

16. blow molding system as claimed in claim 15 is characterized in that, label central authorities thrust piece, a pair of package rod and label top thrust piece remain on the up-down lifting platform freely,

The label holding core pedestal is provided with locating aperture, and lifting platform is provided with the alignment pin that can be inserted in the locating aperture.

17. blow molding system as claimed in claim 13 is characterized in that, the label holding core pedestal can be with respect to supplying with movable workbench via positioning mounting, and on the label holding core pedestal, locating aperture is set,

And near supplying with the transfer position of workbench, go up and down to be provided with freely and have the location-plate that can be inserted into the alignment pin in the locating aperture, and location-plate is provided with blow mold periphery butt the location rod of confirming the position of location-plate with respect to blow mold.

18. blow molding system as claimed in claim 17; It is characterized in that; The top of alignment pin is the top shape that attenuates, and when alignment pin is inserted in the locating aperture, and the label holding core pedestal carries out the location of label holding core with respect to blow mold with respect to supplying with movable workbench.

19. blow molding system as claimed in claim 17 is characterized in that, location-plate is urged mechanism and presses to the blow mold thruster.

20. a label holding core, the maintenance label also is inserted into to blow mold, it is characterized by, constitute by the cylinder that in blow mold, inserts freely,

And one side is provided with the recess that inside side was recessed into and took in the both ends of label in the side of cylinder.

21. label holding core as claimed in claim 20 is characterized in that, the side of label holding core is provided with a pair of little cylindrical portion, between this a pair of little cylindrical portion, is formed with said recess.

22. label holding core as claimed in claim 20 is characterized in that, on the side of label holding core, is formed with the adsorption section of absorption label.