CN107214931A - Vessel port preparation method - Google Patents
Vessel port preparation method Download PDFInfo
- Publication number
- CN107214931A CN107214931A CN201710658430.6A CN201710658430A CN107214931A CN 107214931 A CN107214931 A CN 107214931A CN 201710658430 A CN201710658430 A CN 201710658430A CN 107214931 A CN107214931 A CN 107214931A
- Authority
- CN
- China
- Prior art keywords
- vessel port
- blow molding
- molding die
- blowing part
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/04—Extrusion blow-moulding
-
- 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
- B29C49/30—Blow-moulding apparatus having movable moulds or mould parts
- B29C49/38—Blow-moulding apparatus having movable moulds or mould parts mounted on movable endless supports
-
- 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
- B29C49/4273—Auxiliary operations after the blow-moulding operation not otherwise provided for
- B29C49/4278—Cutting
Abstract
The invention provides a kind of vessel port preparation method, belong to packing technique field.The problem of it solves higher existing vessel port manufacturing cost and not enough barrier property.This vessel port preparation method for first using multi-layer co-extruded mode by molding machine extrude in a tubular form and sandwich construction plastics embryo, plastics embryo is placed in blow molding die again, and plastics embryo blow molding is had to the blowing part of multiple containers mouthful, one axis of multiple containers opening's edge is set；Lower multiple containers mouthful are cut in the last part from blowing.Use the vessel port that this vessel port preparation method makes for sandwich construction, have the advantages that barrier property is higher.Blow molding process and a blow molding multiple containers mouthful, both can guarantee that production efficiency, waste material yield can be reduced again and manufacturing cost is efficiently controlled.The vessel port wall thickness made using blow molding process is substantially uniform consistent, and material requested is less, thus this vessel port preparation method also effectively further cost of manufacture of control container mouthful.
Description
Technical field
The invention belongs to packing technique field, it is related to a kind of container, particularly a kind of vessel port preparation method.
Background technology
In food and beverage packaging, soft bag and carton are one of common manner of packings.Traditional soft bag and carton are not
With opening, inconvenient problem with use is there is；Therefore, people have devised with opening and with sealing paper and/or envelope
The soft bag and carton of lid.Its pertinent literature can turn down the Vertical-bag (Authorization Notice No. CN201325636Y) in edge face as having.
Shown in Fig. 1 is a threaded vessel port, and sealed membrane can be both sealed in the opening's edge of vessel port, can held again
Seal closure is screwed on device mouthful.At present, vessel port is adopted made of plastic and principal component is single；Vessel port uses injection molding.Container
Mouthful wall is relatively thick, and manufacturing cost is higher and the problem of not enough barrier property, causes the barrier property of vessel port to be not so good as other
The barrier property at position, and then influence the overall barrier property of container.
The content of the invention
The present invention proposes a kind of vessel port preparation method, and the technical problem to be solved in the present invention is how to improve vessel port
Barrier property, and efficiently control the manufacturing cost of high obstructing performance vessel port.
The technical problem to be solved of the present invention can be realized by following technical proposal：Headed by this vessel port preparation method
First using multi-layer co-extruded mode by molding machine extrude in a tubular form and sandwich construction plastics embryo, then plastics embryo is placed in blow molding die
It is interior, and plastics embryo blow molding is had to the blowing part of multiple containers mouthful, one axis of multiple containers opening's edge is set；It is last from blowing
Lower multiple containers mouthful are cut in plastic.
Compared with prior art, the vessel port that this vessel port preparation method makes is used for sandwich construction, such as five-layer structure
Vessel port be successively from outside to inside polyethylene or polypropylene layer, adhesive phase, ethylene-vinyl alcohol copolymer layer, adhesive phase,
Polyethylene or polypropylene layer.The number of plies and material are adjusted according to barrier property adaptability.Thus, the vessel port tool of sandwich construction
Have the advantages that barrier property is higher.
Blow molding process and a blow molding multiple containers mouthful, both can guarantee that production efficiency, waste material generation can be reduced again
Measure and efficiently control manufacturing cost.The vessel port wall thickness made using blow molding process is substantially uniform consistent, material requested
Less, thus this vessel port preparation method also effectively further cost of manufacture of control container mouthful.
Contain ethylene-vinyl alcohol copolymer in laminated vessel mouthful, ethylene-vinyl alcohol copolymer is not suitable for recycling, because
And reducing waste material yield just can significantly reduce the cost of manufacture of vessel port.
In summary, have production efficiency high and vessel port manufacturing cost using this vessel port preparation method production containers mouthful
Low advantage.The barrier property of vessel port is higher, can guarantee that vessel port is consistent with the barrier property of chamber wall.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of a threaded container mouthful.
Fig. 2 is the main structure diagram of blowing part in embodiment one.
Fig. 3 is to be blow molded in the front view of part to be decorated with line of cut in embodiment one.
Fig. 4 is the main structure diagram that part is divided into vessel port and waste material will to be blow molded in embodiment one.
Fig. 5 is the dimensional structure diagram of molding machine and continuous blow moulding machine.
Fig. 6 is the cross section structure diagram of a not threaded container mouthful.
Fig. 7 is the main structure diagram of blowing part in embodiment two.
Fig. 8 is to be blow molded in the front view of part to be decorated with line of cut in embodiment two.
Fig. 9 is the main structure diagram that will be blow molded part and be divided into vessel port and waste material in embodiment two.
In figure, 1, vessel port；1a, export department；1b, connecting portion；1c, screw thread；2nd, it is blow molded part；2a, scrap portion；3rd, molding machine；
4th, blow molding die；5th, continuous blow moulding machine；5a, frame；5b, rotating disk；5c, blow molding die closing device.
Embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
Embodiment one
As shown in figure 1, this vessel port 1 is with export department 1a in a tubular form and in flat connecting portion 1b, export department 1a
There is screw thread 1c on outer wall；This vessel port 1 is sandwich construction.
The present embodiment further illustrates the preparation method of this vessel port 1 by taking the vessel port 1 of structure shown in manuscript 1 as an example
Principle and advantage.
As shown in Figures 2 to 5, this vessel port preparation method is carried out by following sequential steps：First, it is common using multilayer
The mode of squeezing extrudes plastics embryo in a tubular form by molding machine 3, and the germ wall of plastics embryo is sandwich construction.
Then, plastics embryo is placed in blow molding die 4 and by plastics embryo blow molding；Complete blow-molded process.Specifically
For, the die cavity of blow molding die 4 have have in column, the side of die cavity it is multiple matched with the lateral surface shape of vessel port 1 into
Type face, axis direction of multiple forming surfaces along die cavity is set.Plastics embryo is more than mould along the axially arranged of die cavity, the length of plastics embryo
The two ends compression seal of plastics embryo can be made after the length of chamber, such matched moulds of blow molding die 4, injection compression is empty into plastics embryo again afterwards
Gas, makes plastics embryo compressive deformation and forming shape matches with mold cavity shapes；Plastics embryo is referred to as blowing through blow molding back part
There are multiple containers mouthful 1 in part 2, therefore blowing part 2；Multiple containers mouthful 1 are set along an axis.Figure of description provides blowing
There are 8 vessel ports 1 in part 2；According to actual production capacity, increase or decrease to realizability.
Two neighboring vessel port 1 is that head end is oppositely arranged with head end in blowing part 2, tail end face and aft end
Face is oppositely arranged；I.e. connecting portion 1b and connecting portion 1b is oppositely arranged in blowing part 2, export department's 1a end faces and export department 1a end face phases
To setting.There are in scrap portion 2a in a tubular form, blowing part 2 two between the connecting portion 1b that two are oppositely arranged in blowing part 2
Two vessel ports 1 that export department's 1a end faces are oppositely arranged are joined directly together.The blow molding die 4 and blowing part 2 of the structure can be as much as possible
Waste material, and influence molding effect are produced between reduction by two adjacent containers mouthful 1, i.e., with material is saved, improves vessel port 1 and closes
The advantage of lattice rate.
This process is processed using continuous blow moulding machine 5, i.e., continuous blow moulding machine 5 includes frame 5a, rotating disk 5b and multigroup blown
Mold closing device 5c, rotating disk 5b and frame 5a are rotated and are connected, shaft core lines of multigroup blow molding die closing device 5c around rotating disk 5b
It is circumferentially distributed, by the way that blow molding die closing device 5c can be made along rotating disk 5b between multigroup blow molding die closing device 5c and rotating disk 5b
RADIAL movement radially-directed structure be connected；Pass through one group of guiding between multigroup blow molding die closing device 5c and frame 5a
The annular guide frame of trajectory in a ring is connected；There is straightway in guided way trace.Each blow molding die closing device 5c
On be respectively and fixedly provided with a set of blow molding die 4.Straightway can be realized continuous blow moulding machine 5 automatically plastics embryo is placed in blow molding die 4.This
Automatically control the folding of blow molding die 4 and realize blow moulding machine automatic demoulding；Thus continuous blow moulding machine 5 can reduce waste material yield and
Production efficiency is improved, and then efficiently controls the cost of manufacture of high obstructing performance vessel port.
Finally, under vessel port 1 is cut from blowing part 2.Specifically, it is oppositely arranged along Liang Ge export departments 1a end faces
Two joint faces of vessel port 1 cut and by the scrap portion 2a between two connecting portion being oppositely arranged 1b and positioned at two
The scrap portion 2a excisions at end；Cut in other words along Fig. 3 chain lines；Thus the finished product of vessel port 1 is obtained.
Embodiment two
The structure and principle of the present embodiment be the same as Example one are essentially identical, the no longer burden description of essentially identical part, only retouch
Different place is stated, different place is：As shown in fig. 6, this vessel port 1 is with export department 1a in a tubular form and in pipe
The connecting portion 1b of shape, connecting portion 1b also have the effect held for hand, are easy to people to hold on packing material and are easy to people to beat
Opening.This vessel port 1 also be sandwich construction, Figure of description provide vessel port 1 side wall layer number be 5 layers, from outside to inside according to
Secondary is polyethylene or polypropylene layer, adhesive phase, ethylene-vinyl alcohol copolymer layer, adhesive phase, polyethylene or polypropylene layer.
As shown in Figure 7 to 9, it is joined directly together between the connecting portion 1b that two are oppositely arranged in blowing part 2；It is blow molded in part 2
Two vessel ports 1 that Liang Ge export departments 1a end faces are oppositely arranged are joined directly together.
Cut in finishing operation along Fig. 8 chain lines；Thus the finished product of vessel port 1 is obtained.
Claims (10)
1. a kind of vessel port preparation method, it is characterised in that this vessel port preparation method is to be carried out successively by following sequential steps
,
First using multi-layer co-extruded mode by molding machine (3) extrude in a tubular form and sandwich construction plastics embryo；Then by plastics embryo
It is placed in blow molding die, and is the blowing part (2) with multiple containers mouthful (1), multiple containers mouthful (1) edge by the blow molding of plastics embryo
One axis is set；And then, blowing part (2) is taken out out of blow molding die；The last lower multiple containers of the cutting from blowing part (2)
Mouth (1).
2. vessel port preparation method according to claim 1, it is characterised in that the die cavity of the blow molding die has column,
There are multiple forming surfaces matched with vessel port (1) lateral surface shape, axle of multiple forming surfaces along die cavity in the side of die cavity
Line direction is set.
3. vessel port preparation method according to claim 2, it is characterised in that plastics embryo die cavity along along blow molding die
Axially arranged, the length of plastics embryo is more than the length of die cavity in blow molding die.
4. the vessel port preparation method according to claim 1 or 2 or 3, it is characterised in that adjacent in the blowing part (2)
Two vessel ports (1) are that head end is oppositely arranged with head end, and tail end face is oppositely arranged with tail end face.
5. vessel port preparation method according to claim 4, it is characterised in that the vessel port (1) has in a tubular form
Export department (1a) and in flat connecting portion (1b), connecting portion (1b) is oppositely arranged with connecting portion (1b) in blowing part (2), is gone out
Oral area (1a) end face is oppositely arranged with export department (1a) end face.
6. vessel port preparation method according to claim 5, it is characterised in that two set relatively in the blowing part (2)
There is scrap portion (2a) in a tubular form, blowing part (2) Zhong Liangge export departments (1a) end face is relative to be set between the connecting portion (1b) put
Two vessel ports (1) put are joined directly together.
7. vessel port preparation method according to claim 4, it is characterised in that the vessel port (1) has in a tubular form
Connecting portion (1b) is oppositely arranged with connecting portion (1b) in export department (1a) and connecting portion (1b) in a tubular form, blowing part (2), outlet
Portion's (1a) end face is oppositely arranged with export department (1a) end face.
8. vessel port preparation method according to claim 4, it is characterised in that two set relatively in the blowing part (2)
It is joined directly together between the connecting portion (1b) put, two vessel ports that blowing part (2) Zhong Liangge export departments (1a) end face is oppositely arranged
(1) it is joined directly together.
9. the vessel port preparation method according to claim 1 or 2 or 3, it is characterised in that described by plastics embryo blow molding
Carried out for blowing part and by blowing part (2) taking-up step out of blow molding die in continuous blow moulding machine (5).
10. vessel port preparation method according to claim 9, it is characterised in that the continuous blow moulding machine (5) includes frame
(5a), rotating disk (5b) and multigroup blow molding die closing device (5c), rotating disk (5b) are rotated with frame (5a) and are connected, and multigroup blow molding die is opened
Attach together put (5c) it is circumferentially distributed around the shaft core line of rotating disk (5b), between multigroup blow molding die closing device (5c) and rotating disk (5b)
It is connected by the radially-directed structure that can move RADIAL of the blow molding die closing device (5c) along rotating disk (5b)；It is multigroup to blow
It is connected between mold closing device (5c) and frame (5a) by the annular guide frame of one group of guided way trace in a ring；Lead
There is straightway into trajectory；A set of blow molding die (4) is respectively and fixedly provided with each blow molding die closing device (5c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710658430.6A CN107214931B (en) | 2017-08-04 | 2017-08-04 | Vessel port production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710658430.6A CN107214931B (en) | 2017-08-04 | 2017-08-04 | Vessel port production method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107214931A true CN107214931A (en) | 2017-09-29 |
| CN107214931B CN107214931B (en) | 2019-07-02 |
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ID=59955097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710658430.6A Active CN107214931B (en) | 2017-08-04 | 2017-08-04 | Vessel port production method |
Country Status (1)
| Country | Link |
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| CN (1) | CN107214931B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111712369A (en) * | 2017-12-29 | 2020-09-25 | 达能日尔维公司 | Method for producing plastic containers from elongated hollow elements and plastic pre-containers |
| CN111801278A (en) * | 2017-12-29 | 2020-10-20 | 达能日尔维公司 | Plastic container with top opening and base opening each closed by a flexible lid |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1496301A (en) * | 2001-03-23 | 2004-05-12 | ����ķ��װ����˾ | Multi-parision/dual cavity wheel blow molds |
| CN1590235A (en) * | 2003-05-08 | 2005-03-09 | 徐跃 | High separation plastic bottle and its manufacturing method |
| CN101966748A (en) * | 2010-09-15 | 2011-02-09 | 湖南千山制药机械股份有限公司 | Mould device, equipment and method for producing plastainer |
-
2017
- 2017-08-04 CN CN201710658430.6A patent/CN107214931B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1496301A (en) * | 2001-03-23 | 2004-05-12 | ����ķ��װ����˾ | Multi-parision/dual cavity wheel blow molds |
| CN1590235A (en) * | 2003-05-08 | 2005-03-09 | 徐跃 | High separation plastic bottle and its manufacturing method |
| CN101966748A (en) * | 2010-09-15 | 2011-02-09 | 湖南千山制药机械股份有限公司 | Mould device, equipment and method for producing plastainer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111712369A (en) * | 2017-12-29 | 2020-09-25 | 达能日尔维公司 | Method for producing plastic containers from elongated hollow elements and plastic pre-containers |
| CN111801278A (en) * | 2017-12-29 | 2020-10-20 | 达能日尔维公司 | Plastic container with top opening and base opening each closed by a flexible lid |
| CN111712369B (en) * | 2017-12-29 | 2022-06-24 | 达能日尔维公司 | Method for producing plastic containers from elongated hollow elements and plastic pre-containers |
| US11584060B2 (en) | 2017-12-29 | 2023-02-21 | Compagnie Gervais Danone | Method to produce plastic containers from an elongated hollow piece, and plastic pre-container |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107214931B (en) | 2019-07-02 |
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| PB01 | Publication | ||
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 318020 canned food industry zone, Huangyan District, Zhejiang, Taizhou Applicant after: Taizhou Xianglong food container Polytron Technologies Inc Address before: 318020 canned food industry zone, Huangyan District, Zhejiang, Taizhou Applicant before: SRLON PACKAGING TECHNOLOGY CO., LTD. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Container opening manufacturing method Effective date of registration: 20200617 Granted publication date: 20190702 Pledgee: Agricultural Bank of China Limited Taizhou Huangyan sub branch Pledgor: TAIZHOU XIANGLONG FOOD CONTAINER TECHNOLOGY Co.,Ltd. Registration number: Y2020330000352 |