WO2011142612A2 - Dispositif de moulage par soufflage pour un récipient ayant une séparation - Google Patents

Dispositif de moulage par soufflage pour un récipient ayant une séparation Download PDF

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Publication number
WO2011142612A2
WO2011142612A2 PCT/KR2011/003525 KR2011003525W WO2011142612A2 WO 2011142612 A2 WO2011142612 A2 WO 2011142612A2 KR 2011003525 W KR2011003525 W KR 2011003525W WO 2011142612 A2 WO2011142612 A2 WO 2011142612A2
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WO
WIPO (PCT)
Prior art keywords
preform
container
zone
preliminary
partition
Prior art date
Application number
PCT/KR2011/003525
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English (en)
Korean (ko)
Other versions
WO2011142612A3 (fr
Inventor
김양수
Original Assignee
(주)쿨테크
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Priority claimed from KR1020100079082A external-priority patent/KR101095431B1/ko
Application filed by (주)쿨테크 filed Critical (주)쿨테크
Publication of WO2011142612A2 publication Critical patent/WO2011142612A2/fr
Publication of WO2011142612A3 publication Critical patent/WO2011142612A3/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/28—Blow-moulding apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/4205—Handling means, e.g. transfer, loading or discharging means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B11/00—Making preforms
    • B29B11/14—Making preforms characterised by structure or composition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/0715—Preforms or parisons characterised by their configuration the preform having one end closed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/073—Preforms or parisons characterised by their configuration having variable diameter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/075—Preforms or parisons characterised by their configuration having at least one internal separating wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/076—Preforms or parisons characterised by their configuration characterised by the shape
    • B29C2949/0768—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform
    • B29C2949/077—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform characterised by the neck
    • B29C2949/0772—Closure retaining means
    • B29C2949/0773—Threads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
    • B29C2949/22—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at neck portion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
    • B29C2949/24—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at flange portion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
    • B29C2949/26—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at body portion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
    • B29C2949/28—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at bottom portion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/30—Preforms or parisons made of several components
    • B29C2949/3024—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/071—Preforms or parisons characterised by their configuration, e.g. geometry, dimensions or physical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/08—Biaxial stretching during blow-moulding
    • B29C49/10—Biaxial stretching during blow-moulding using mechanical means for prestretching
    • B29C49/12—Stretching rods
    • B29C49/1208—Stretching rods using additional means to clamp the preform bottom while stretching the preform
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/4205—Handling means, e.g. transfer, loading or discharging means
    • B29C49/42073—Grippers
    • B29C49/42085—Grippers holding inside the neck
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/64—Heating or cooling preforms, parisons or blown articles
    • B29C49/6409—Thermal conditioning of preforms
    • B29C49/6418—Heating of preforms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/64—Heating or cooling preforms, parisons or blown articles
    • B29C49/6409—Thermal conditioning of preforms
    • B29C49/6436—Thermal conditioning of preforms characterised by temperature differential
    • B29C49/6462—Thermal conditioning of preforms characterised by temperature differential by masking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25—Solid
    • B29K2105/253—Preform
    • B29K2105/258—Tubular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/56—Stoppers or lids for bottles, jars, or the like, e.g. closures
    • B29L2031/565—Stoppers or lids for bottles, jars, or the like, e.g. closures for containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7158—Bottles

Definitions

  • the present invention relates to a blow molding apparatus, a molding method, and a container manufactured thereby for manufacturing a container having an inner compartment divided by a partition wall.
  • the blowing zone introduces a resistance member that retreats as the preform is stretched so that there is no problem of an increase in the quality or defective rate of the manufactured container even when the production speed is improved, and the preform is heated in the heating zone.
  • the present invention relates to a blow molding apparatus, a molding method, and a container manufactured by introducing an air cooling means together with a heating means for uniform heating of the same.
  • blowing pressure is changed in the first and second stages to produce a constant thickness of the outer wall and the bulkhead, and the technology to secure mass productivity, which is the key to industrial technology development, is proposed.
  • the present invention has a problem in terms of defect rate or individual container quality despite securing the mass production and the required production speed in connection with a blow molding apparatus for manufacturing a container having an inner partition divided by a partition and a molding method using the same. It is proposed to present the missing technology.
  • Another object of the present invention is to provide a blow molding apparatus including a container having a through-hole formed in the partition wall and a post-processing zone therefor so that partitions divided by the partition wall can communicate with each other.
  • the present invention provides a container and a molding apparatus for forming a recess in a body position overlapping with the partition wall in order to solve the problem that the optical refraction occurs due to the partition wall partitioning the inner space of the container body unfamiliar than the existing container.
  • a container and a molding apparatus therefor provided with a shielding portion in the recess in order to prevent the partition wall from the side.
  • the present invention is to introduce a heating zone in which the heating proceeds before blowing the injection-molded preform in the blowing zone to ensure productivity and quality, the preliminary outer wall and the preliminary partition of the preform
  • An object of the present invention is to provide a blow molding apparatus in which cooling means, in particular air cooling means, are arranged together with a heating means so as to be uniformly heated, and a molding method therefor.
  • the present invention introduces a seating member having an opening portion of the preform is placed and the preliminary bulkhead is fitted to enable the rotation of the preform while passing through the heating zone, and then put into each preliminary section of the preform in the blowing zone
  • An object of the present invention is to provide a blow molding apparatus that facilitates specifying a position of an opening so that a stretching rod having a diverging body can be accurately input.
  • Another object of the present invention is to provide a blow molding apparatus further including a shielding member for preventing the spout of the preform from being heated by a heating means in the heating zone.
  • the present invention also introduces a resistance member that retracts according to the elongation of the preform in a state in which the bottom of the blowing zone is pressed against the bottom of the preform, so that there is no problem of increasing the production rate or the defective rate of the manufactured container even when the production speed is improved. It is an object to provide a molding apparatus.
  • a mold provided on an outer surface of the preform having a preliminary compartment divided by an opening and a preliminary bulkhead
  • An air blower for injecting air through the opening of the preform
  • a resistance member that retracts according to the elongation of the preform while the bottom surface portion opposite to the opening of the preform is pressed.
  • blowing zone comprising a.
  • the heating zone, the preform further comprises a spout, and further comprises a shield member to prevent the spout of the preform is heated by a heating means,
  • the heating zone further includes a rotating means for turning the preform
  • the heating zone further includes a seating member having an opening side of the preform and having an insertion portion into which the preliminary bulkhead is fitted.
  • a loading zone including a camera for photographing the preliminary bulkhead angle of the preform, and displacement means for pivoting the seating member to match the insert according to the angle of the preliminary bulkhead read by the camera.
  • a blowing zone including an air blower for injecting air through the opening of the preform having the opening and the preliminary partition divided by the preliminary partition;
  • It comprises a post-processing zone (blow-processing) including a puncturing means for forming a through hole in the partition wall of the container body having a partition divided by the partition wall.
  • a mold provided on an outer surface of the preform having a preliminary partition portion divided by an opening and a preliminary partition, and having a protrusion at a position corresponding to the preliminary partition;
  • An air blower for injecting air through the opening of the preform
  • a resistance member that retracts according to the elongation of the preform while the bottom surface portion opposite to the opening of the preform is pressed.
  • a partition wall arranged in the outer wall to form a partition part and having a through part
  • Partition walls arranged in the outer wall to form partitions
  • the concave portion is further provided with a shielding portion to prevent the partition wall
  • the outer wall is formed with a parting line at a position shifted from the concave part, or the parting line is formed with a parting line at a position overlapping the concave part.
  • a heating zone including an air cooling means for uniform heating of the preform
  • a blowing zone including an air blower for injecting air through the opening of the preform
  • the heating zone further includes a seating member having an opening portion of the preform settled therein and having an insertion portion into which the preliminary bulkhead is fitted.
  • the heating zone further includes a shielding member to prevent the preform further comprises a spout, the spout of the preform is not heated by a heating means,
  • the heating zone further includes a rotating means for turning the preform
  • the blowing zone may further include a mold provided on the outer surface of the preform, a stretching rod introduced into the preliminary compartment of the preform, and a resistance member that retreats according to the elongation of the preform while pressing the bottom surface of the preform opposite to the opening of the preform. desirable.
  • heating zone heating zone
  • blowing zone formed through an air blower for injecting air through the opening of the preform.
  • a blow molding apparatus including a container having a through-hole formed in the partition wall and a post-processing zone therefor so that the partitions divided by the partition wall can communicate with each other.
  • the container having a recessed portion formed in the body position overlapping with the partition wall and a molding apparatus therefor are provided.
  • a container and a molding apparatus therefor provided with a shielding portion in the recess to prevent the partition wall from being seen from the side
  • the heating zone is heated before the injection molded preform is blown in the blowing zone, so that the preliminary outer wall and the preliminary partition of the preform are heated evenly.
  • the preform can be rotated while passing through the heating zone, and thereafter, a branch body is introduced into each preliminary section of the preform in the blowing zone. It provides a blow molding apparatus that facilitates specifying the position of the opening so that the stretching rod having a
  • the present invention also provides a blow molding apparatus further including a shielding member for preventing the spout of the preform from being heated by a heating means in the heating zone.
  • a blow molding apparatus which introduces a resistance member that retracts according to the elongation of the preform while pressing the bottom portion opposite the opening of the preform in the blowing zone so that there is no problem of increased quality or defective rate of the manufactured container even when the production speed is improved.
  • the blow molding apparatus for manufacturing a container having an inner partition divided by a partition and a molding method using the same have secured mass production, and despite the required production speed, there is no problem in defect rate or individual container quality.
  • FIG. 1 is a schematic plan view of a blow molding apparatus for a container having a partition according to the present invention
  • FIG. 2 is a schematic side view of a transfer zone.
  • FIG 3 is a schematic side view of a heating zone.
  • FIG. 4 is a schematic side view of a reposition turning means that specifies the direction of the bulkhead of the preform before entering the Blowing Zone;
  • Figure 5 is a schematic side view associated with the mold and stretching rod of the blowing zone and the like.
  • FIG. 6 is a schematic partially enlarged side view associated with a resistance member of a blowing zone
  • FIG. 7 is a schematic cross-sectional view of a postprocessing zone.
  • FIGS. 8 and 9 are exploded perspective views of a container having a partition according to the present invention.
  • FIG. 10 is a cross-sectional view of a container having a partition according to the present invention.
  • Figure 11 is a cross-sectional view of the use state of the container having a partition according to the present invention.
  • 12 is a cross-sectional view of another type of container.
  • container 10 main body
  • auxiliary lid 27A receiving groove
  • 35 opening 35A: spout
  • transfer zone 111 storage unit
  • resistance member 145A resistance rod
  • Blower 140A Main Mold
  • the same reference numerals in particular, the tens and ones digits, or the same digits, tens, ones, and alphabets refer to members having the same or similar functions, and unless otherwise specified, each member in the figures The member referred to by the reference numeral may be regarded as a member conforming to these criteria.
  • the preform 30 manufactured by the injection molding method is blow-molded to manufacture the main body 10 of the container C including the lid 20 and the main body 10.
  • a schematic plan view of the blow molding apparatus B is shown in FIG. 1.
  • the preform 30 has a spout 35A around the opening 35, and a spiral portion 35a is formed on the outer circumferential surface of the spout for screwing the molded container and the lid, and the flange forming the jaw ( 35B) is provided in the lower part of the spiral part 35a.
  • a preliminary outer wall 31 and a preliminary partition 33 extending by a stretching rod and blowing pressure to form a partition wall and a partition wall of the container
  • the preliminary compartment 33S is divided by the preliminary partition 33, and if necessary, the number of the preliminary compartments 33S may be three or more in addition to the two shown, and each preliminary compartment
  • the volume of 33S is not uniform as needed and may be formed differently at regular or irregular intervals.
  • the main body 10 of the container C blow-molded from this preform 30 has a spout 15A, spiral, which also has the same size and shape as the preform 30 (and thus not blow-molded) around the opening 15. It has a part 15a and the flange 15B.
  • the term 'spare' is used for the outer walls, bulkheads and partitions of the preform, and not for the openings, spouts, flanges, and spirals, but the present invention should not be construed as limiting the present invention. If necessary, a portion of the lower portion of the preform spout 35A may not be blow molded, and the spout of the preform may be blow molded.
  • the container body 10 is divided into the receiving space (S) surrounded by the outer wall 11 by the partition wall 13 to form a partition (13S).
  • the spout of the blow-molded container may have a variety of shapes such as ellipses, triangles, squares, and other polygons having no spirals or cross-sections that are approximately circular.
  • the container body shown in FIG. 8 is also in the shape of an ellipse similar in shape with straight lines at approximately symmetrical cross sections.
  • the partition 13 of the manufactured container body may have a shape that rises up to the top of the spout 15A or a shape that protrudes more than the top of the spout or rises up to a position where the top of the spout does not reach the top.
  • the blow molding apparatus B for the container C main body 10 having such a partition 13 is large.
  • Transfer zone 110 for sequentially supplying the preform 30, a loading zone 120 for aligning the supplied preforms and sequentially supplying them to the next step, and a preform that has already been completely cured.
  • Heating zone (130) for reheating or maintaining the blowable moldable temperature of the preform (heating concept), blowing zone (140) for expanding the preform through stretching rods and blowers, and necessary Postprocessing zones 150 for finishing are provided in turn.
  • the zones 110, 120, 130, 140, and 150 may be arranged separately in one place or in completely different places in a form having a significant process time difference instead of being continuously arranged.
  • each zone may be omitted as necessary, the blowing zone 140 must be provided essentially,
  • the heating zone 130 is essential in the case of blow molding utilizing a separately molded and fully cured preform, commonly referred to as a two stage method in blowing molding. However, in the case of the blow molding in which the preform injection molding and the blow molding proceed directly to the same as in the one-stage method, it can be omitted.
  • zones 110, 120, 130, 140, and 150 are described as if they are continuous.
  • the transfer zone 110 transfers the preform 30 to the loading zone 120 from the storage 111 containing the injection molded preforms 30 and the storage 111. It consists of a conveying means for.
  • the first conveying means 113 has a slanted portion and a conveyor belt 113A in which a plurality of scoops 113B are formed to sequentially convey the preforms one by one in the storage 111 in which the preform 30 naturally descends downward.
  • the second transfer means 115 is a hopper 115B having a light beam narrowing shape for receiving the preform falling from the upper portion of the belt 113A of the first transfer means, and the spout 35A of the preform 30 is disposed at the upper end of the hopper bottom. And a plurality of rollers 115A arranged in series so as to face each other.
  • the third transfer means 117 is composed of two guide rods 117A which are inclined so that the preform slides by its own weight and is introduced into the loading zone, and is arranged adjacent to the rear roller 115A of the second transfer means.
  • the transfer zone 110 may be variously modified in order to supply the preform continuously with a certain time difference.
  • the loading zone 120 arranged adjacent to the third transfer means 117 is
  • It includes a conveying body 121 having a fitting portion (121a) so that the opening (35) facing the upper portion of the preform 30, the guide rod 117A.
  • the conveying bodies 121 are connected to each other by the connecting body 121A and rotate in a circular direction from the top to the bottom (see arrows in FIG. 1).
  • the camera 123 is installed at the beginning of the loading zone 120 to photograph the direction of the preliminary bulkhead 33 of the preform 30 located at the fitting portion 121a of the conveying body 121.
  • the direction of the preliminary bulkhead 33 of the preform 30 is to be constantly aligned.
  • the image captured by the camera 123 is transmitted to the controller B1 (particularly, a programmable logic controller (PLC) method).
  • PLC programmable logic controller
  • the control unit B1 (in FIG. 1, the control relationship is represented by ' ⁇ ') controls the displacement means 125 at the rear end of the loading zone 120 to uniformly set the reserve bulkhead 33 of the preform 30. Sort it out.
  • the displacement means 125 includes a branch body 125C that is pivoted by an angle adjusting pivot means (for example, a motor 125A) and descends by a lifting body (for example, a pneumatic or hydraulic piston 125B).
  • an angle adjusting pivot means for example, a motor 125A
  • a lifting body for example, a pneumatic or hydraulic piston 125B
  • the insertion groove 125c of the branch body 125C is pivoted in advance so that the preliminary partition 33 of the preform can be fitted by the motor 125A. Doing it,
  • the rear end of the loading zone 120 is provided with a flipping means 127, by the displacement means 125 to supply the preform in which the eb bulkhead 33 is aligned to the heating zone 130 to the reverse.
  • the flip means 127 is a turning arm 127B that is pivoted by forceps 127A and a rotating means (e.g., motor 127C). Done,
  • the motor 125A, 127C or the piston 125B may be replaced with other known rotating means and elevating means,
  • Control of each of the operating members 125A, 125B, 127A, 127C (121 (motor for circulation of the conveying body)) is made by the control unit B1.
  • the seating member 131 supplied with the preform 30 aligned by the displacement means 25 of the loading zone 120 by the flip means 127 has been described as constituting the heating zone 130 for convenience.
  • the seating member 131 is circulated at regular intervals on the conveyor belt 130A circulating between the heating zone 130, the blowing zone 140, and the post-processing zone 150,
  • the heating zone 130 functions to enable revolution of the preform 30 (indicated by a dashed-dotted circular arrow in the center).
  • the loading zone 120 includes a seating member 131, a heating means 133, an air cooling means 135, and a shielding member 137.
  • the mounting member 131 may have an opening part 35 side of the preform 30 and the insertion part 131A into which the preliminary bulkhead 33 is inserted.
  • the insertion portion 131A corresponds to a gap between two protruding powders 131A 'having a semi-circular cross-sectional shape, and the size and shape thereof are deformed to suit the preliminary partition of the preform.
  • the insertion part 131A is inverted and supplied by the flipping means 127 of the loading zone 120. It is preferable to have a light-lower narrowing shape so that the preliminary partition 33 of () is easy to fit,
  • the two protruding powders 131A ' have upper and lower light so that the opening 35 of the preform 30 is easily fitted.
  • the preform 30 has a dimension to prevent the preform 30 from being shaken as much as possible.
  • the seating member 131 is provided with a contact disk 131B at the lower portion of the protruding powder 131A 'so that the mounting member 131 rotates in a random direction before the preform enters the blowing zone 140 at the rear end of the heating zone 130. Friction with the belt 140e constituting the repositioning turning means 140E for aligning the preliminary bulkhead 33 facing in the predetermined direction is made possible.
  • a substantially rhombic block 131D is provided below the disk 131B, and a preliminary arrangement of the preliminary bulkhead direction of the preform is formed at the vertex corresponding to the long diagonal portion of the block by the position change turning means 140E. After that, a fixing hole 131d for firmly fixing this state is provided.
  • a lower portion of the block 131D is provided with a fixed rod 131b which is used to allow the preform to be injected into the blowing zone 140 while fixing a specific alignment state of the preliminary bulkhead direction of the preform.
  • the fixed rod 131b has a cross sectional shape basically having a non-circular shape or the like, and has a similar ellipse shape having two symmetrical straight lines as shown in the cross sectional view concept in the lower middle one-dot chain line of FIG. 3.
  • the lower portion of the fixing rod 131b is provided with a sprocket 131C, so that the chain 131c (heating zone 130 in FIG. 1) can be seen in the lower right one-dot chain circle of FIGS. 1 and 3. Pivoting by the sprocket 131c ′ in the region) to allow the seating member 131 to pivot, thereby allowing the seating member and the preform to rotate.
  • Revolution of the preform 30 passing through the heating zone 130 and the blowing zone 140 corresponds to the essentials for uniform heating of the proform
  • the revolving means and the rotating means of such a preform can be variously modified.
  • the insertion portion 131A in which the partition 33 of the preform is placed is blow-molded in the blowing zone (for each preliminary section 33S of the preform 30). With the preliminary bulkhead alignment to allow the branch 141A of the stretching rod 141 to be fed (see FIGS. 5 and 6).
  • the seating member 131 may introduce a suitable clamp instead of the inserting portion 131A to ensure a specific alignment in the direction of the partition wall in the blowing zone and to secure the rotation of the preform in the heating zone.
  • the heating zone 130 is preferably a structure that can block the heat loss by forming a kind of duct (D) structure,
  • air cooling means for uniform heating of the preform in particular, the preliminary outer wall 31 and the preliminary partition wall 33,
  • the air cooling means is one of the key concepts for the blow molding of a container having a compartment.
  • the heating means 133 is preferably composed of a heater, in particular an infrared lamp suitable for light heating due to a long wavelength, and may be installed only on one side because the preform is rotated in the heating zone, and a predetermined interval throughout the heating zone. Are arranged.
  • the air cooling means 135 is composed of a blowing means (135A) and a nozzle (135a) for the discharge of wind, supplying air at room temperature, it can supply air (or other gas) of a controlled temperature, if necessary .
  • the air supplied from the air cooling means 135 cools the preform heated by the heating means 133 so that the preliminary outer wall 31 and the preliminary partition 33 of the preform are uniformly heated.
  • the preliminary outer wall will be heated faster than the preliminary bulkhead and combined with the nonuniform heating of the preform.
  • problems with finished container quality e.g. transparency, outer wall and bulkhead thickness unevenness, etc.
  • the air introduced for cooling is discharged to the upper inlet 135b "of the duct D,
  • the intake means 135B including the intake port further includes an intake fan 135b.
  • the heating zone 130 preferably further includes a shielding member 137 to prevent the spout of the preform from being heated by the heating means.
  • a shielding member 137 to prevent the spout of the preform from being heated by the heating means.
  • the heating unnecessary portion of the preform may be selected as necessary in addition to the spout portion, and the shielding member 137 is also deformed accordingly.
  • the shield member 137 preferably has a cooling water circulation path (137a).
  • the preform that passes through the heating zone 130 having a predetermined section length is then introduced into the blowing zone 140.
  • the position change turning means 140E is provided at the rear end of the heating zone 130 so that the branching body 141A of the stretching rod 141 is correctly input to each of the preliminary sections 33S of the preform 30. do.
  • the position change pivot means 140E includes three pulleys including a drive pulley connected to the motor 140e ', and has a belt 140e circulating between the three pulleys.
  • the belt 140e pivots the seating member by pivoting the contact disk 131B of the seating member 131. As a result, the direction of the preliminary partition 33 is changed while the preform 30 is pivoted.
  • the vertex portion corresponding to the long diagonal portion of the lozenge block 131D of the seating member 131 is located within the sensing distance of the sensor, in particular, the proximity sensor 140d ', it is controlled by the controller B1.
  • the upper block 140D moves and the fixing pin 140d of the upper block is inserted into the fixing hole 131d of the block 131D to firmly fix the displaced state.
  • both straight portions 130b 'of the fixed rod 131b provided below the block 131D of the seating member 131 are
  • the movable guider 140f leads to the fixed guider 140F of the blowing zone 140,
  • the mold M in the blowing zone 140 is
  • the bottom block 140B located above the mold (the term 'bottom' is for the lower part opposite the opening of the container body and is generally referred to in the industry by reference to the container),
  • the stop block includes a stop block 140C fixed to the mold 140A to prevent the bottom block from retreating upward.
  • the upper block 140D (the term 'upper') having a fixing pin 140d fitted into the fixing hole 131d of the block 131D to fix the seating member 131 is also manufactured. It is chosen based on the spout).
  • the main mold 140A and the bottom block 140B of the mold M are provided with a protrusion 140p for forming the recess 11A of the container body 10, which will be described later.
  • the bottom block 140B is lowered and arranged at the correct position. Then, when the [main mold 140A and the stop block 140C combination] moves to the preform side and the arrangement is completed,
  • the branched body 141A of the stretching rod 141 is introduced into every preliminary compartment 33S of the preform 30 and at the same time
  • air is introduced into each preliminary compartment 33S by the blower 147 through the opening 35 of the preform 30 to stretch the preform.
  • Blowing air is introduced into the preliminary compartment 33S of the preform through the air supply hole 143b of the bushing 143B via the air supply port 143A and the air passage 143a of the fixed block 143.
  • the bushing 143B is for preventing the interference of the hollow 143a 'and the ventilation passage 143a for inserting the stretching rod 141 formed at the center of the fixing block 143,
  • the vent groove 143b has a radial structure.
  • the first blow molding step After the first blow molding step to have a predetermined shape through the primary blowing, and then proceeds through the second blow molding step of obtaining a container shape suitable for the shape of the blowing mold through the second blowing.
  • the primary blowing pressure is about 8 bar
  • the secondary blowing pressure may be 25 ⁇ 30 bar.
  • the resistance member of the blowing zone forms the core of the technology to ensure the mass production of the partitioned container manufactured by blow molding together with the air cooling means of the heating zone, and to ensure that there is no problem in the defective rate or individual container quality despite the required production speed.
  • the resistance member 145 includes a resistance rod 145A having a contact portion 145a, a cylinder 145B for raising and lowering the resistance rod, and a stretching extension of the preform. Accordingly, the resistance rod is made of an elastic means for exerting a constant resistance when the retreat rises.
  • the elasticity of the spring 145C constituting the elastic means is exerted to unfold the spring
  • the resistance rod 145A is lowered so that the contact portion 145a comes in contact with the bottom of the preform 30.
  • the resistance rod 145A rises and retracts due to the blowing pressure and the stretching elongation of the preform by the stretching rod, and the spring 145C contracts.
  • control unit B1 supplies air back to the air hole 145b of the cylinder 145B to press the disk 145a 'connected to the resistance rod to Hold the lift and wait for the next blow molding.
  • the resistance member 145 of the blowing zone 140 has a resistance rod 145A as an essential component
  • the cylinder, the lifting means of the resistance member, the elastic means and the like can be variously modified.
  • the spring 145C may be transformed into a coil spring or a leaf spring of another structure, or the elastic means including the concept of the spring may be implemented by pneumatic (or hydraulic).
  • pneumatic (or hydraulic) elastic means may be implemented as operating pneumatic (or hydraulic) for raising and lowering the resistance rod as needed.
  • Air holes are formed in the upper and lower parts of the cylinder to allow air to flow in and out of the upper and lower parts of the disk 145a to control the raising and lowering of the resistance rod, and to suppress the rising backward of the resistance rod during the blowing of the preform.
  • the form shown in FIG. 6 is a kind of single movement control, and the modified example may be referred to as double movement control.
  • the role of suppressing the rising backward of the resistance rod during the blowing of the preform can be said that the weight of the resistance rod functions (in this case, no elastic means is necessary).
  • the disk 145a ' is preferably provided with a suitable packing to ensure airtightness or lubricity, or both.
  • the container body completed through the blowing zone 140 may be discharged as it is, or may be subjected to a parting line or a burr removal process through a postprocessing zone if necessary.
  • the postprocessing zone is blow-molded to the partition wall of the container body 10 having the partition portion 13S divided by the partition wall 13. Perforations may be formed to form a).
  • the punching means 151 is inserted into the opening 15 of the container body as shown in Fig. 7 and has a punch 151A having a cutter 151a (having a blade similar to a puncher, which is a kind of stationery), and It is inserted into the opening 15 of the container body and includes a support 151B for supporting the partition 13 of the container body 10 during punching so that the perforation is easily performed.
  • a punch 151A having a cutter 151a (having a blade similar to a puncher, which is a kind of stationery)
  • It is inserted into the opening 15 of the container body and includes a support 151B for supporting the partition 13 of the container body 10 during punching so that the perforation is easily performed.
  • the support 151B is provided with a suction discharge passage 151b for removing debris generated when the container partition wall is punctured as needed.
  • suction force generating means for suction of debris is preferably provided.
  • the punch of the punching means 151 may be replaced by a drill, and in this case, it is preferable that an appropriate suction removing means for removing the debris is introduced.
  • the drilling means may apply the concept of a hot iron that can heat cut the synthetic resin
  • the iron concept may be applied to the punch forming the through hole 13A in the partition wall of the container body 10 together.
  • the terms 'container' and 'body' are used interchangeably, and basically, the term 'body' has a meaning different from 'container' when describing with 'lid'.
  • the container C includes a main body 10 and a partition wall 13 that divides the accommodation space S of the main body, and includes a lid (b) in the opening 15 of the main body 10. 20) is combined.
  • the shape of the container body 10 can be any bottle or other shape of the narrow opening,
  • the partition 13S partitioned by the partition wall is two symmetrical with the same volume, but the present invention is not limited thereto because the number of the partition 13S can be increased or the asymmetry of the volume can be increased.
  • the main body 10 having the inner receiving space (S) is divided into a space 11 by the partition wall 13,
  • the parting line 11B and the partition 13 formed outside the main body 10 are preferably arranged in a staggered position.
  • a molded product drawn from a mold is a trace that remains where the mold is in contact with, and usually means a thin film such as a thin convex line or a fin.
  • parting line 11B and the partition wall 13 can be arranged at mutually coincident positions, which are illustrated in a side view in the enlarged one-dot dashed line of FIG. 8.
  • the present invention is to solve the problem that the optical refraction occurs due to the partition 13 partitioning the inner receiving space (S) of the container (C) main body 10 is unfamiliar than the conventional container (13)
  • a shielding portion may be further introduced so that the partition wall is not visible at the position of the main body outer wall overlapping with the overlap.
  • such a shield may be the recess 11A, as can be seen in FIG. 8.
  • a preform (usually manufactured by applying a known injection molding method) having a divided space divided by a partition wall so as to correspond to a finished container is usually used.
  • the bottom of the container often takes the form of the top of the container or the bottom of the container has a concave-convex structure to ensure stable uprightness and design differentiation.
  • the bottom is often flat or uneven
  • the recessed part, especially the recessed part 11A of a bottom narrow light shape is introduce
  • the shielding portion to prevent the partition 13 from being visible from the outside may be implemented using a matte processing method implemented in the shape of a mold during blow molding or through post-processing after the blow molding.
  • the shielding part may be implemented by repeatedly and continuously using small irregularities (which are preferably formed by a mold) so that the partition wall is not visible.
  • the shielding portion obtained from such matte processing or repeated concave-convex formation method may be formed together with the concave portion.
  • the lid 20 is coupled to the opening 15 of the container C body 10, in particular to a narrow spout 15A that fits into a bottle shape. do.
  • the lid 20 includes a body 21, a displacement member 23, a packing member 25, and an auxiliary lid 27.
  • the body 21 is coupled to the opening 15 of the main body 10, and has a corresponding spiral portion 21B coupled to the spiral portion 15a of the spout 15A around the opening 15,
  • the displacement member 23 is coupled to the through-hole 21A circumferential receiving portion 21C of the body 21 through the receiver 23B,
  • the cross-sectional shape of the receptor 23B is circular, the three-dimensional shape is not a spherical shape but a rectangular parallelepiped shape, so that the inner space 11 divided by the partition wall 13 is blocked in the container C having two. have.
  • the displacement member 23 which can communicate with each of the three or more inner receiving spaces (e.g., manufactured in a spherical shape (in this case, in each inner space of the main body). Accurate positioning can be realized by changing the shape of the nozzle type connection part).
  • the discharging member 23 has a discharge path 23A formed at the connection portion of the nozzle type connected to the receiver 23B.
  • a locking jaw 21c for limiting the displacement angle of the displacement member 230 located in the receiving portion 21C is formed at the upper part of the through hole 21A of the body 21,
  • the discharge passage 23A is allowed to communicate with the two compartments 13S accurately.
  • the packing member 25 which prevents the body 21 from lowering the displacement of the displacement member 23 and prevents leakage of contents is provided.
  • the body 21 is coupled to the first sealing portion 25A for the upper portion of the opening (15) in close contact with the upper surface of the spout, and
  • the second sealing portion 25B for the upper part of the partition wall (in close contact with the upper surface of the partition wall) is formed.
  • packing member 25 is in communication with the inner partition 13S of the main body between the two sealing portions (25A, 25B),
  • an auxiliary packing 25D may be further provided.
  • the auxiliary packing may be manufactured separately from the packing member 25, or may be manufactured integrally with each other.
  • the body of the lid 20 may be any material.
  • the discharge path 23A of the displacement member 23 is a neutral position
  • auxiliary lid 27 to allow the discharge passage 23A to stay in the blocked state by the second sealing portion 25B,
  • the receiving groove is formed in the center of the receiving groove (27A) is coupled to the upper end of the displacement member (23).
  • the different kinds of contents stored in the two partitions 13S separated by the partition 13 can be arbitrarily selected for drinking.
  • FIG. 12 through-holes 13A are formed in the partition 13 of the container body in the postprocessing zone described above with reference to FIGS. 1 and 7 to form an inner accommodation space.
  • Containers of one structure are shown to allow for mutual communication and to be utilized as various containers.
  • Forming method and the shape of the through hole (13A) can be varied, for example, as shown in the right one-dot chain circle enlarged in Figure 12, may simply be a plurality of circles, slits or other various forms. .
  • Such a container is useful to prevent the tea leaves (T) from discharging the contents while discharging various tea leaves such as green tea,
  • the lid 20A shown is fixed powder 20a so that the open powder 20b can open only the right compartment 13S of the container body 10, as shown in the enlarged one-dot chain line.
  • blow molding apparatus having a specific configuration and structure has been described with reference to the accompanying drawings, but the present invention can be variously modified, changed, and replaced by those skilled in the art. Should be construed as falling within the protection scope of the present invention.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

La présente invention porte sur un dispositif de moulage par soufflage pour produire un récipient ayant une séparation à l'intérieur, de telle sorte que l'espace de stockage est divisé à l'aide d'une paroi de séparation, et porte sur des récipients produits par celui-ci. Plus particulièrement, la présente invention porte sur un dispositif de moulage par soufflage conçu de telle sorte qu'il peut être utilisé pour différents récipients, dans lequel appareil une préforme est moulée sous la forme d'un récipient lors du passage à travers une zone de soufflage, après quoi une partie de trou traversant est formée dans la paroi de séparation du corps de récipient par l'utilisation d'un moyen de perçage de trou dans une zone de post-traitement, de telle sorte que des espaces de stockage internes peuvent être interconnectés entre eux. L'invention porte également sur des récipients produits à l'aide de ce dispositif.
PCT/KR2011/003525 2010-05-13 2011-05-12 Dispositif de moulage par soufflage pour un récipient ayant une séparation WO2011142612A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20100044908 2010-05-13
KR10-2010-0044908 2010-05-13
KR1020100079082A KR101095431B1 (ko) 2010-05-13 2010-08-17 구획부를 갖는 용기를 위한 블로잉 성형장치
KR10-2010-0079082 2010-08-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201600128349A1 (it) * 2016-12-19 2018-06-19 True Keg S R L Macchina per lo stirosoffiaggio di preforme per la realizzazione di contenitori destinati alla realizzazione di fusti a perdere per liquidi alimentari

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH091613A (ja) * 1995-06-22 1997-01-07 Nissei Asb Mach Co Ltd 射出装置のシリンダ温度調整装置
KR200283390Y1 (ko) * 2002-05-04 2002-07-26 주식회사 제이엠피 이중용기
KR100541265B1 (ko) * 2002-12-12 2006-01-11 신현확 적층이 가능한 2분할 음료용기
KR100635801B1 (ko) * 1999-06-09 2006-10-19 한센 베른트 적어도 두 개의 챔버를 갖는 압출 블로우 성형 용기를제조하는 방법
KR100845737B1 (ko) * 2007-09-05 2008-07-11 김양수 분할된 수용공간을 갖는 용기의 블로잉 성형방법 및 그용기

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH091613A (ja) * 1995-06-22 1997-01-07 Nissei Asb Mach Co Ltd 射出装置のシリンダ温度調整装置
KR100635801B1 (ko) * 1999-06-09 2006-10-19 한센 베른트 적어도 두 개의 챔버를 갖는 압출 블로우 성형 용기를제조하는 방법
KR200283390Y1 (ko) * 2002-05-04 2002-07-26 주식회사 제이엠피 이중용기
KR100541265B1 (ko) * 2002-12-12 2006-01-11 신현확 적층이 가능한 2분할 음료용기
KR100845737B1 (ko) * 2007-09-05 2008-07-11 김양수 분할된 수용공간을 갖는 용기의 블로잉 성형방법 및 그용기

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201600128349A1 (it) * 2016-12-19 2018-06-19 True Keg S R L Macchina per lo stirosoffiaggio di preforme per la realizzazione di contenitori destinati alla realizzazione di fusti a perdere per liquidi alimentari

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