CN107214931B - Vessel port production method - Google Patents
Vessel port production method Download PDFInfo
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- CN107214931B CN107214931B CN201710658430.6A CN201710658430A CN107214931B CN 107214931 B CN107214931 B CN 107214931B CN 201710658430 A CN201710658430 A CN 201710658430A CN 107214931 B CN107214931 B CN 107214931B
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- Prior art keywords
- blow molding
- vessel port
- molding die
- production method
- vessel
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- 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
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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
- B29C49/02—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 present invention provides a kind of vessel port production methods, belong to packing technique field.It solves the problems, such as that existing vessel port manufacturing cost is higher and barrier property is insufficient.This vessel port production method be first using multi-layer co-extruded mode by molding machine extrusion in a tubular form and the plastics embryo of multilayered structure, plastics embryo is placed in blow molding die again, and plastics embryo blow molding is had to the blow molding part of multiple containers mouth, the one axis setting of multiple containers opening's edge；Lower multiple containers mouth is finally cut from blow molding part.The vessel port for using this vessel port production method to make has the advantages that barrier property is higher for multilayered structure.Blow molding process and a blow molding multiple containers mouth, not only can guarantee production efficiency, but also can reduce waste material yield and efficiently control manufacturing cost.The vessel port wall thickness made of blow molding process is substantially uniform consistent, and material requested is less, thus this vessel port production method also effectively further controls the cost of manufacture of vessel port.
Description
Technical field
The invention belongs to packing technique fields, are related to a kind of container, especially a kind of vessel port production method.
Background technique
In food and beverage packaging, soft bag and carton are common one of manner of packings.Traditional soft bag and carton is not
With opening, there is inconvenient problems with use；For this purpose, people have devised with opening and have sealing paper and/or envelope
The soft bag and carton of lid.Its pertinent literature such as has the Vertical-bag (Authorization Notice No. CN201325636Y) that can turn down edge face.
Shown in FIG. 1 is a threaded vessel port, sealed membrane can be not only sealed in the opening's edge of vessel port, but also can hold
Seal closure is screwed on device mouth.Currently, to adopt made of plastic and principal component single for vessel port；Vessel port uses injection molding.Container
Mouth wall is relatively thick, the problem that manufacturing cost is higher and barrier property is insufficient, causes the barrier property of vessel port not as good as other
The barrier property at position, and then influence container entirety barrier property.
Summary of the invention
The invention proposes a kind of vessel port production methods, and the technical problem to be solved by the present invention is to how improve vessel port
Barrier property, and efficiently control the manufacturing cost of high obstructing performance vessel port.
Technical problems to be solved of the invention can be realized by the following technical scheme: headed by this vessel port production method
Blow molding die in a tubular form and the plastics embryo of multilayered structure, then by plastics embryo is first placed in by molding machine extrusion using multi-layer co-extruded mode
It is interior, and the blow molding part by plastics embryo blow molding with multiple containers mouth, the one axis setting of multiple containers opening's edge；Finally from blowing
Lower multiple containers mouth is cut in plastic.
Compared with prior art, the vessel port for using this vessel port production method to make is multilayered structure, 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 multilayered structure
There is the higher advantage of barrier property.
Blow molding process and a blow molding multiple containers mouth, not only can guarantee production efficiency, but also can reduce waste material generation
Measure and efficiently control manufacturing cost.The vessel port wall thickness made of blow molding process is substantially uniform consistent, material requested
Less, thus this vessel port production method also effectively further control vessel port cost of manufacture.
Containing ethylene-vinyl alcohol copolymer in laminated vessel mouth, ethylene-vinyl alcohol copolymer is not suitable for recycling and reusing, because
And it reduces waste material yield just and can significantly reduce the cost of manufacture of vessel port.
In conclusion there is high production efficiency and vessel port manufacturing cost using this vessel port production method production containers mouth
Low advantage.The barrier property of vessel port is higher, can guarantee that vessel port is consistent with the barrier property of chamber wall.
Detailed description of the invention
Fig. 1 is the schematic perspective view of a threaded container mouth.
Fig. 2 is the schematic view of the front view that part is blow molded in embodiment one.
Fig. 3 is to be blow molded in the main view of part to be decorated with cutting line in example 1.
Fig. 4 is the schematic view of the front view that blow molding part in embodiment one is divided into vessel port and waste material.
Fig. 5 is the schematic perspective view of molding machine and continuous blow moulding machine.
Fig. 6 is the schematic cross-sectional view of a not threaded container mouth.
Fig. 7 is the schematic view of the front view that part is blow molded in embodiment two.
Fig. 8 is to be blow molded in the main view of part to be decorated with cutting line in example 2.
Fig. 9 is the schematic view of the front view that blow molding part is divided into vessel port and waste material in embodiment two.
In figure, 1, vessel port；1a, outlet portion；1b, interconnecting piece；1c, screw thread；2, it is blow molded part；2a, scrap portion；3, molding machine；
4, blow molding die；5, continuous blow moulding machine；5a, rack；5b, turntable；5c, blow molding die closing device.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Embodiment one
As shown in Figure 1, this vessel port 1 is with outlet portion 1a in a tubular form and is in flat interconnecting piece 1b, outlet portion 1a
There is screw thread 1c on outer wall；This vessel port 1 is multilayered structure.
For the vessel port 1 of the present embodiment structure shown in the manuscript 1,1 production method of this vessel port is further illustrated
Principle and advantage.
As shown in Figures 2 to 5, this vessel port production method is carried out by following sequential steps: firstly, total using multilayer
The mode of squeezing squeezes out plastics embryo in a tubular form by molding machine 3, and the germ wall of plastics embryo is multilayered structure.
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 has a column, in the side of die cavity with it is multiple match with 1 lateral surface shape of vessel port at
Type face, multiple forming surfaces are arranged along the axis direction of die cavity.Plastics embryo is arranged along the axial direction of die cavity, and the length of plastics embryo is greater than mould
The length of chamber, such blow molding die 4 can make the both ends compression seal of plastics embryo after molding, into plastics embryo, injection compression is empty again later
Gas, makes plastics embryo compressive deformation and forming shape matches with mold cavity shapes；Plastics embryo is known as being blow molded through blow molding back part
Part 2, therefore be blow molded in part 2 with multiple containers mouth 1；Multiple containers mouth 1 is arranged along an axis.Figure of description provides blow molding
There are 8 vessel ports 1 in part 2；According to actual production capacity, it can be achieved that property increase or decrease.
Two neighboring vessel port 1 is that head end is oppositely arranged with head end in blow molding part 2, tail end face and aft end
Face is oppositely arranged；It is blow molded interconnecting piece 1b and interconnecting piece 1b in part 2 to be oppositely arranged, the end face outlet portion 1a and the end face outlet portion 1a phase
To setting.It is blow molded in part 2 the scrap portion 2a having between two interconnecting piece 1b being oppositely arranged in a tubular form, is blow molded in part 2 two
Two vessel ports 1 that the end face outlet portion 1a is oppositely arranged are connected directly.The blow molding die 4 and blow molding part 2 of the structure can be as much as possible
It reduces and generates waste material between two adjacent container mouths 1, and influence molding effect, that is, have and save material, improve vessel port 1 and close
The advantages of lattice rate.
This process is processed using continuous blow moulding machine 5, i.e., continuous blow moulding machine 5 includes that rack 5a, turntable 5b and multiple groups are blown
Mold closing device 5c, turntable 5b and rack 5a rotation connection, shaft core line of the multiple groups blow molding die closing device 5c around turntable 5b
It is circumferentially distributed, by the way that blow molding die closing device 5c can be made along turntable 5b between multiple groups blow molding die closing device 5c and turntable 5b
The mobile radially-directed structure of radial line be connected；Pass through one group of guiding between multiple groups blow molding die closing device 5c and rack 5a
The annular guide frame of trajectory line 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 make the continuous realization of blow moulding machine 5 that automatically plastics embryo is placed in blow molding die 4.This
It automatically controls the folding of blow molding die 4 and realizes 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, by vessel port 1 under being cut in blow molding part 2.Specifically, it is oppositely arranged along two end faces outlet portion 1a
Two 1 joint faces of vessel port cut and the interconnecting piece 1b that is oppositely arranged two between scrap portion 2a and be located at two
The scrap portion 2a at end is cut off；It is cut in other words along Fig. 3 chain lines；Thus 1 finished product of vessel port is obtained.
Embodiment two
The present embodiment is essentially identical with the structure and principle of embodiment one, and the no longer burden description of essentially identical place is only retouched
Different place is stated, the difference is that: as shown in fig. 6, this vessel port 1 is with outlet portion 1a in a tubular form and in pipe
The interconnecting piece 1b of shape, interconnecting piece 1b also have the function of holding for hand handle, hold on packing material convenient for people and beat convenient for people
Opening.This vessel port 1 also be multilayered structure, Figure of description provide vessel port 1 the side wall number of plies 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 blow molded in part 2 and is connected directly between two interconnecting piece 1b being oppositely arranged；It is blow molded in part 2
Two vessel ports 1 that two end faces outlet portion 1a are oppositely arranged are connected directly.
It is cut in finishing operation along Fig. 8 chain lines；Thus 1 finished product of vessel port is obtained.
Claims (10)
1. a kind of vessel port production method, vessel port (1) is with outlet portion (1a) in a tubular form and is in flat interconnecting piece
(1b), which is characterized in that this vessel port production method is successively to carry out by following sequential steps,
Molding machine (3) extrusion is passed through in a tubular form and the plastics embryo of multilayered structure using multi-layer co-extruded mode first；Then by plastics embryo
It is placed in blow molding die, and is the blow molding part (2) at least four vessel port (1), multiple containers mouth by plastics embryo blow molding
(1) it is arranged along an axis；End face outlet portion (1a) of two neighboring vessel port (1) is oppositely arranged in blow molding part (2), Yi Jixiang
The interconnecting piece (1b) of adjacent two vessel ports (1) is oppositely arranged；Two vessel ports (1) that two outlet portion (1a) end faces are oppositely arranged
Be connected directly and two vessel ports (1) that two interconnecting pieces (1b) are oppositely arranged between by scrap portion (2a) in a tubular form
It is connected；
And then, blow molding part (2) is taken out out of blow molding die；Lower multiple containers mouth (1), edge are finally cut from blow molding part (2)
Two vessel port (1) joint faces being oppositely arranged of two outlet portion (1a) end faces cut, and two connections will be located at
The scrap portion (2a) between two vessel ports (1) and the scrap portion excision positioned at blow molding part (2) both ends that portion 1b is oppositely arranged.
2. vessel port production method according to claim 1, which is characterized in that the die cavity of the blow molding die has column,
There is multiple forming surfaces to match with vessel port (1) lateral surface shape, axis of multiple forming surfaces along die cavity in the side of die cavity
The setting of line direction.
3. vessel port production method according to claim 2, which is characterized in that plastics embryo die cavity along blow molding die
Axial setting, the length of plastics embryo are greater than the length of die cavity in blow molding die.
4. vessel port production method according to claim 1 or 2 or 3, which is characterized in that described by plastics embryo blow molding
It is carried out in continuous blow moulding machine (5) for blow molding part and by blow molding part (2) from taking-up step in blow molding die.
5. vessel port production method according to claim 4, which is characterized in that the continuous blow moulding machine (5) includes rack
(5a), turntable (5b) and multiple groups blow molding die closing device (5c), turntable (5b) and rack (5a) are rotatablely connected, and multiple groups blow molding die is opened
Attach together set (5c) it is circumferentially distributed around the shaft core line of turntable (5b), between multiple groups blow molding die closing device (5c) and turntable (5b)
By the way that blow molding die closing device (5c) can be made to be connected along the mobile radially-directed structure of the radial line of turntable (5b)；Multiple groups are blown
It is connected between mold closing device (5c) and rack (5a) by the annular guide frame of one group of guided way trace in a ring；It leads
There is straightway into trajectory line；A set of blow molding die (4) are respectively and fixedly provided on each blow molding die closing device (5c).
6. a kind of vessel port production method, vessel port (1) has outlet portion (1a) in a tubular form and interconnecting piece (1b) in a tubular form,
It is characterized in that, this vessel port production method is successively to carry out by following sequential steps,
Molding machine (3) extrusion is passed through in a tubular form and the plastics embryo of multilayered structure using multi-layer co-extruded mode first；Then by plastics embryo
It is placed in blow molding die, and is the blow molding part (2) at least four vessel port (1), multiple containers mouth by plastics embryo blow molding
(1) it is arranged along an axis；End face outlet portion (1a) of two neighboring vessel port (1) is oppositely arranged in blow molding part (2), Yi Jixiang
The interconnecting piece (1b) of adjacent two vessel ports (1) is oppositely arranged；Two vessel ports (1) that two outlet portion (1a) end faces are oppositely arranged
Be connected directly and two vessel ports (1) that two interconnecting pieces (1b) are oppositely arranged between be connected directly；
And then, blow molding part (2) is taken out out of blow molding die；Lower multiple containers mouth (1), edge are finally cut from blow molding part (2)
Two vessel port (1) joint faces being oppositely arranged of two outlet portion (1a) end faces it is opposite with along two interconnecting piece end faces (1b)
Two vessel port (1) joint faces being arranged are cut, and will be located at the scrap portion excision at blow molding part (2) both ends.
7. vessel port production method according to claim 6, which is characterized in that the die cavity of the blow molding die has column,
There is multiple forming surfaces to match with vessel port (1) lateral surface shape, axis of multiple forming surfaces along die cavity in the side of die cavity
The setting of line direction.
8. vessel port production method according to claim 7, which is characterized in that plastics embryo die cavity along blow molding die
Axial setting, the length of plastics embryo are greater than the length of die cavity in blow molding die.
9. vessel port production method described according to claim 6 or 7 or 8, which is characterized in that described by plastics embryo blow molding
It is carried out in continuous blow moulding machine (5) for blow molding part and by blow molding part (2) from taking-up step in blow molding die.
10. vessel port production method according to claim 9, which is characterized in that the continuous blow moulding machine (5) includes rack
(5a), turntable (5b) and multiple groups blow molding die closing device (5c), turntable (5b) and rack (5a) are rotatablely connected, and multiple groups blow molding die is opened
Attach together set (5c) it is circumferentially distributed around the shaft core line of turntable (5b), between multiple groups blow molding die closing device (5c) and turntable (5b)
By the way that blow molding die closing device (5c) can be made to be connected along the mobile radially-directed structure of the radial line of turntable (5b)；Multiple groups are blown
It is connected between mold closing device (5c) and rack (5a) by the annular guide frame of one group of guided way trace in a ring；It leads
There is straightway into trajectory line；A set of blow molding die (4) are respectively and fixedly provided on 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 |
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| Publication Number | Publication Date |
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| CN107214931A CN107214931A (en) | 2017-09-29 |
| CN107214931B true CN107214931B (en) | 2019-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710658430.6A Active CN107214931B (en) | 2017-08-04 | 2017-08-04 | Vessel port production method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3732112A1 (en) * | 2017-12-29 | 2020-11-04 | Compagnie Gervais Danone | Plastic container having a top opening and a base opening closed each by a flexible lid |
| 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 |
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 |
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| Publication number | Publication date |
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| CN107214931A (en) | 2017-09-29 |
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| 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 |
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 |
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