CN109366935A - A kind of infusion vessel and preparation method thereof with hanging ring - Google Patents
A kind of infusion vessel and preparation method thereof with hanging ring Download PDFInfo
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- CN109366935A CN109366935A CN201811447784.7A CN201811447784A CN109366935A CN 109366935 A CN109366935 A CN 109366935A CN 201811447784 A CN201811447784 A CN 201811447784A CN 109366935 A CN109366935 A CN 109366935A
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- Prior art keywords
- infusion vessel
- parison
- mold
- preparation
- hanging ring
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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
- B29C49/06—Injection 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
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/64—Heating or cooling preforms, parisons or blown articles
-
- 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
- B29C49/78—Measuring, controlling or regulating
- B29C49/783—Measuring, controlling or regulating blowing pressure
-
- 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
- B29C49/78—Measuring, controlling or regulating
- B29C49/786—Temperature
-
- 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
- B29C2049/023—Combined blow-moulding and manufacture of the preform or the parison using inherent heat of the preform, i.e. 1 step blow moulding
-
- 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
- B29L2031/7148—Blood bags, medical bags
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of preparation methods of infusion vessel, comprising steps of infusion vessel raw material is added in injection blow molding machine, inject in the parison mould in injection blow molding machine after heated fusing, and cooling and shaping is the plastic tube-shape parison that bottom has hanging ring；After the extraction of parison mould plug, plastic tube-shape parison is gone in the preheated mold in injection blow molding machine, by the electric heating wire in preheated mold, plastic tube-shape parison is preheated, the first one-step forming to the parison progress pre-blowing after preheating；Plastic parison after pre-blowing is moved in the blow mold in injection blow molding machine and carries out two axis drawing and formings；Plastic parison is heated by the electric heating wire in preheating blow mold when drawing and forming；Infusion vessel after molding is cooled down and the demoulding station moved in injection blow molding machine demoulds.Preparation method of the invention can accomplish that hanging ring and container are integrally formed, and preparation efficiency is high, and preparation cost is low, and preparation process is simple and quick, meets the clean environment requirement of pharmacy infusion vessel production, and preparation method is more environmentally-friendly；The quality prepared is stablized.
Description
Technical field
The present invention relates to injection molding blow molding technology fields more particularly to a kind of with the infusion vessel of hanging ring and its preparation side
Method.
Background technique
Injection molding be plastic product forming from blow molding during two different processes.Wherein, blow molding (belongs to
In the secondary operation of plastics) it is the side for being made to be closed hot melt preform blowup in a mold by means of gas pressure and forming hollow product
Method is to develop a kind of faster plastic molding method.The mold of blow molding generally only has former (cavity plate), with injection molding phase
Than, equipment manufacturing cost is lower, and adaptability is stronger, formability can good (such as low stress), plastic there is complicated oscillating curves (shape
Shape) product.Its method mainly has the forming of extrusion blow hollow blow molding and note to blow two step method molding etc..
Currently, Packing Infusion Used Large Plastic material container (such as plastic infusion bottle) molding is mainly based on blow molding method.And plastics
Infusion bottle moulding process is mainly two step method molding, and plastic infusion bottle is due to requiring body soft, so the raw material used is general
It needs to add the elastomer of the functions such as plasticising, is easy to increase the compatible insecurity risk of packaging material.Wherein, the two of plastic infusion bottle
The process of footwork moulding process is mainly that plastic parison is first injected on injection molding machine, then demoulds, plastic parison is separately put into
It is preheated to blow moulding machine, then the plastic parison after preheating is carried out to blow embryo forming.But two steps of existing plastic infusion bottle
Method moulding process has the disadvantage in that 1. need manpower to assist operation in two step method injection moulding process, and efficiency is relatively low, and increases
Cost of labor；2. being shifted between injection molding machine and blow moulding machine in blow-molding process due to parison, such parison can be exposed to outer
Side and easily make infusion packaging container by the pollution of microorganism, particle and foreign matter, to increase the contaminated risk of infusion products；
3. the hanging ring of current infusion vessel and infusion vessel ontology are fabricated separately, it is defeated that the two reconnects after independently completing
Liquid container, leading to the preparation process of infusion vessel, time-consuming, and generates offal when making hanging ring；4. currently, defeated in plastics
It the preheating of the Shooting Technique of liquid bottle and is blow molded during the two, usually carries out isothermal holding, silicone oil using the silicone oil of heating
Heating method is mainly that power load is big, has peculiar smell and smog release, is easy to produce particulate, is easy the clean of pollution infusion preparation
Net production environment is caused directly to pollute, be influenced greatly, existing silicone oil adds when silicone oil leakage if having to the molding infusion vessel of institute
Requirement of the hot mode to pharmacy corporation is away from each other, and increases drug clear production pollutional load；The rear waste oil of silicone oil needs logical
It crosses special recovering mechanism and carries out regeneration treatment, not environmentally.
Summary of the invention
In view of the above-mentioned problems, it is an object of the invention to the preparation methods of this infusion vessel can accomplish hanging ring and container one
Molding, preparation efficiency is high, and preparation cost is low, and preparation process is simple and quick, substitutes the electric heating wire heating side of silicone oil heating method
Formula meets the clean environment requirement of pharmacy infusion vessel production, and preparation method is more environmentally-friendly；Raw material used in container formation uses
Versatility is high, and without additionally adding the elastomer of the functions such as plasticising, the infusion vessel prepared is soft and quality is stablized, packet
Material compatibility is good.
To achieve the goals above, one embodiment of the invention provides a kind of preparation side of infusion vessel with hanging ring
Method, comprising the following steps:
Injecting step: infusion vessel is formed in raw materials used addition injection blow molding machine, and the note is injected after heated fusing and is blown
In parison mould in machine, rear cooling and shaping is the tubular plastic parison that bottom has hanging ring；
Preheating step: after the extraction of parison mould plug, by plastic parison and the preheated mold in the injection blow molding machine is gone to
In, it is preheated by the electric heating wire being equipped in the preheated mold, it is preliminary to the plastic parison progress pre-blowing after preheating
Molding；
Blowing steps: it is drawn into two axis are carried out in blow mold that the plastic parison after pre-blowing moves in the injection blow molding machine
Type；It wherein, is heated by the electric heating wire being equipped in the blow mold during drawing and forming；
Demoulding step: infusion vessel after molding is cooled down and the demoulding station moved in the injection blow molding machine takes off
Mould；
Wherein, being respectively equipped at least two in the interior die cavity with the blow mold of the die cavity of the preheated mold has
The electric heating wire of different heating temperature；At least two electric heating wires in the die cavity of each mold, according to the shaped plastics
Base needs the heating temperature at the position heated accordingly to be distributed in the different location in the die cavity of the mold；
Or, being respectively equipped in the die cavity of the preheated mold and in the die cavity of the blow mold with Discrete control temperature
Spend the electric heating wire of function；The electric heating wire in the die cavity of each mold, each segmentation are needed according to the plastic parison
The heating temperature at the position of heating is accordingly distributed in the different location in the die cavity of the mold.
As an improvement of the above scheme, the injection volume of the parison mould of the injection blow molding machine is 30%-90%, mold work temperature
Degree is 10-50 DEG C；Wherein, low 3 DEG C of temperature or more of the temperature of the type core of the parison mould than the type chamber of the parison mould.
As an improvement of the above scheme, the gate diameter of the runner of the hot runner system of the injection blow molding machine is 2-6mm, described
Runner is circular flow channel, and the geat of the hot runner system is round or oval.
As an improvement of the above scheme, the melt adhesive temperature of the injection blow molding machine is 180 DEG C -260 DEG C, injection pressure 3-
15MPa。
As an improvement of the above scheme, in the preheating step, the temperature of preheating is 70-160 DEG C, and the air pressure of pre-blowing is
0.2-0.7MPa, the gassing time of pre-blowing are 1-6 seconds.
As an improvement of the above scheme, in the blowing steps, the temperature of preheating is 35-100 DEG C, the blow mold
Air blowing air pressure to parison is 0.7-2MPa, and gassing time is 1-6 seconds.
As an improvement of the above scheme, the infusion vessel is the integrally formed infusion bottle with plastics hanging ring.
As an improvement of the above scheme, the infusion vessel raw material is high-purity polypropylene for medical article plastics.
Another embodiment of the present invention additionally provides a kind of infusion vessel with hanging ring, as described in any of the above-described scheme
The preparation method of infusion vessel with hanging ring is prepared.
As an improvement of the above scheme, the infusion vessel is infusion bottle comprising the bottleneck that sets gradually from top to bottom,
Bottleneck, body and smooth bottom of bottle；
The front-back of the body and two sides are connected with globoidal structure；The bottom of bottle recess is fluted；In the groove
It is provided with the hanging ring connecting with the bottom of bottle；
The height of the body is 105-177mm；Spacing between the center of both front-backs of the body is 46-
53mm；Spacing between the center of the two sides of the body is 65-73mm；The body with a thickness of 0.12-1mm；Institute
State bottom of bottle with a thickness of 0.1-1mm；The radian of shoulder in the width direction of the body is 10-40 degree, the length of the body
The radian for spending the shoulder on direction is 60-110 degree, and the radian of the bottom of bottle in the width direction of the body is 5-55 degree.
The preparation method of the infusion vessel provided in an embodiment of the present invention, has following technological merit:
1, injecting step, the preheating step, the blowing steps and demoulding step are realized by the injection blow molding machine
Suddenly, so that it may prepare infusion vessel, whole preparation process due to need to only be carried out in the injection blow molding machine, without injection molding machine and
The common participation of two equipment of blow moulding machine, therefore two step method moulding process compared with the prior art, the institute of the embodiment of the present invention
The all process steps for stating preparation method only need to be completed by an equipment, and preparation efficiency is higher and can reduce artificial people's sheet；
2, in process since plastic parison is not exposed to the outside of injection blow molding machine, and personnel is not needed and assist dispatching
Operation reduces risk of the infusion packaging container by the pollution of microorganism, particle and foreign matter, to increase the safety of infusion products
Property；
3, the present invention without preparing the suspender of infusion vessel and the ontology of infusion vessel respectively, but the process in preparation is straight
It connects and is integrally formed the two, so enabling to the preparation process of infusion vessel simpler quickly；
4, silicone oil heating technique is replaced by using the heating technique of electric heating wire, solves to generate when silicone oil oil leak and heating
The problems such as peculiar smell, sub- smog and increase environmental particulates, the pollutional load of drug clear production is reduced, it is raw to meet pharmacy infusion vessel
The clean environment requirement of production；And energy consumption is reduced, it does not need to carry out regeneration treatment to the useless silicone oil after, so that infusion is held
The preparation method of device is more environmentally-friendly；
5, by being respectively equipped in the die cavity of the preheated mold and the blow mold with Discrete control temperature function
The electric heating wire of energy or the electric heating wire equipped at least two with different heating temperature, can be improved heating speed and temperature tune
The flexibility of control, and segmentally heating even local heating can be realized to plastic parison, so as to realize accurate heating.
6, injecting step, the preheating step, the blowing steps and the demoulding step are realized by injection blow molding machine, and
In conjunction with the two axis drawing and formings used in blowing steps, raw material used in container formation is since for polypropylene plastics, use is general
Property it is high, without additionally adding the elastomer of the functions such as plasticising, packaging material compatibility is good.And the novel infusion container quality prepared
Soft and quality is stablized, the advantages of with soft bag infusion container, and the advantages of bottle itself can be retained, can vertical type put
It sets, plastic infusion soft bag is avoided to lie low, cannot stand the shortcomings that placing.
Detailed description of the invention
In order to illustrate more clearly of technical solution of the present invention, attached drawing needed in embodiment will be made below
Simply introduce, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of process flow chart of the preparation method of infusion vessel with hanging ring provided in an embodiment of the present invention；
Fig. 2 is a kind of front view of infusion vessel with hanging ring provided in an embodiment of the present invention；
Fig. 3 is a kind of bottom view of infusion vessel with hanging ring provided in an embodiment of the present invention；
Fig. 4 is a kind of side view of infusion vessel with hanging ring provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one:
Referring to Figure 1, the embodiment of the invention provides a kind of preparation method of infusion vessel with hanging ring, including it is following
Step:
Injecting step: infusion vessel is formed in raw materials used addition injection blow molding machine, and the note is injected after heated fusing and is blown
In parison mould in machine, rear cooling and shaping is the tubular plastic parison that bottom has hanging ring；
Preheating step: after the extraction of parison mould plug, by plastic parison and the preheated mold in the injection blow molding machine is gone to
In, it is preheated by the electric heating wire being equipped in the preheated mold, it is preliminary to the plastic parison progress pre-blowing after preheating
Molding；
Blowing steps: it is drawn into two axis are carried out in blow mold that the plastic parison after pre-blowing moves in the injection blow molding machine
Type；It wherein, is heated by the electric heating wire being equipped in the blow mold during drawing and forming；
Demoulding step: infusion vessel after molding is cooled down and the demoulding station moved in the injection blow molding machine takes off
Mould.
Wherein, being respectively equipped at least two in the interior die cavity with the blow mold of the die cavity of the preheated mold has
The electric heating wire of different heating temperature；At least two electric heating wires in the die cavity of each mold, according to the shaped plastics
Base needs the heating temperature at the position heated accordingly to be distributed in the different location in the die cavity of the mold；
Or, being respectively equipped in the die cavity of the preheated mold and in the die cavity of the blow mold with Discrete control temperature
Spend the electric heating wire of function；The electric heating wire in the die cavity of each mold, each segmentation are needed according to the plastic parison
The heating temperature at the position of heating is accordingly distributed in the different location in the die cavity of the mold.Specifically, there is segmentation to control for this
The electric heating wire of temperature function processed has the bringing-up section of multistage different heating temperature, the different (examples of the heating power of each bringing-up section
Resistivity such as each bringing-up section is different), to realize that the different segmentations an of electric heating wire can have different heating temperature.
Compared with the prior art, the heating speed of this heating means provided in an embodiment of the present invention is fast, the temperature of heating
Sectional flexible setting, to realize precisely heating, and also there is no the pollution problems such as oil leak and peculiar smell.
It should be noted that needing to check infusion vessel raw material before injecting step, to ensure that raw material closes
Lattice.
In addition, the injection mold of the injection molding machine and the blow mold should all have good venting quality, reason is:
In plastic products injection molding process, be frequently run onto plastic part occur the white, stain in top, contraction, bubble, filamentary silver, overlap, etc.
Problem.If there are still lack of fills for plastic products, and internal stress is high, and there are bubbles etc. after adjusting injection-mold process parameter
Phenomena such as, this is likely to the exhausting problem of plastic mould.Die venting is bad, and the gas in type chamber is compressed, and generates very
Big counter-pressure, exactly this counter-pressure prevents the normal quick mold filling of molten plastic, so that injection molding becomes difficult.One
Denier encounters injection molding difficulty such case, and injection molding personnel are frequently with the method for improving injection pressure, and this results in when pressure maintaining
Between extend, molding cycle retardation, production efficiency reduce, injection molding machine energy consumption increase etc. consequence.Even sometimes corrosive gas
In the intracavitary incrustation of type, plastic mould polluted, reduce the service life of mold, increase the cost of plastic mould.And it is molded
Mainly there is following the source of gas in molding die: air present in type chamber and hot runner system；Plastic raw materials contain
Moisture evaporate at high temperature and the vapor that generates；The gas that plastics generate under high temperature；Certain additives are waved in plastics
Hair or generation chemically react generated gas and usually generate gas due to chemical reaction when such as thermoset plastic forming.
In embodiments of the present invention, the infusion vessel is preferably plastic infusion bottle, certainly can also be that infusion vessel can
Vertical transfusion flexible bag etc..
In embodiments of the present invention, the infusion vessel raw material is preferably high-purity polypropylene for medical article plastics, polypropylene plastics
Material is a kind of translucent, semi-crystal thermoplastic, have high intensity, good insulating, water absorption rate is low, heat distortion temperature is high,
The features such as density is small, crystallinity is high, the anti-performance that fractures is good, thus the properties of product for the plastic infusion bottle prepared it is more preferable (such as
Body is softer, resists the good performance that fractures, heat-resistant deforming, intensity are high, hardly absorb water etc.).Further, since raw material only has high-purity doctor
It with polypropylene plastics, rather than is the synthesis material of the elastomers of functions such as additional addition plasticising such as the prior art, therefore
Be not in following disadvantage present in synthesis material: synthesis material cost is expensive, is easy to increase the compatible insecurity risk of packaging material.
In embodiments of the present invention, since polypropylene plastics has high crystalline, the melt adhesive temperature of the injection blow molding machine
Preferably 180 DEG C -260 DEG C, injection pressure is preferably 3-15MPa, is conducive to the preparation of infusion vessel in this way.
It should be noted that high speed injection should be selected in order to reduce the internal stress of parison and deformation.
In foregoing invention embodiment, preferably, the gate diameter of the runner of the hot runner system of the injection blow molding machine is 2-
6mm, the runner are circular flow channel, and the geat of the hot runner system is round or oval.In foregoing invention embodiment,
In the preheating step, the temperature of preheating is 70-160 DEG C, and the blow mold is 0.2- to the air blowing air pressure of parison
0.7MPa, gassing time are 1-6 seconds.It is more advantageous to the preparation of the infusion vessel in this way.
In foregoing invention embodiment, in the blowing steps, the temperature of preheating is 35-100 DEG C, the blow mold
Air blowing air pressure to parison is 0.7-2MPa, and gassing time is 1-6 seconds.Most preferably, the gassing time of the blow mold is 3
Second, it is more advantageous to the preparation of the infusion vessel in this way.
In conclusion the preparation method of the infusion vessel provided in an embodiment of the present invention, has following technological merit:
1, injecting step, the preheating step, the blowing steps and demoulding step are realized by the injection blow molding machine
Suddenly, so that it may prepare infusion vessel, whole preparation process due to need to only be carried out in the injection blow molding machine, without injection molding machine and
The common participation of two equipment of blow moulding machine, therefore two step method moulding process compared with the prior art, the institute of the embodiment of the present invention
The all process steps for stating preparation method only need to be completed by an equipment, and preparation efficiency is higher and can reduce artificial people's sheet；
2, in process since plastic parison is not exposed to the outside of injection blow molding machine, and personnel is not needed and assist dispatching
Operation reduces risk of the infusion packaging container by the pollution of microorganism, particle and foreign matter, to increase the safety of infusion products
Property；
3, the present invention without preparing the suspender of infusion vessel and the ontology of infusion vessel respectively, but the process in preparation is straight
It connects and is integrally formed the two, so enabling to the preparation process of infusion vessel simpler quickly；
4, silicone oil heating technique is replaced by using the heating technique of electric heating wire, solves to generate when silicone oil oil leak and heating
The problems such as peculiar smell, sub- smog and increase environmental particulates, the pollutional load of drug clear production is reduced, it is raw to meet pharmacy infusion vessel
The clean environment requirement of production；And energy consumption is reduced, it does not need to carry out regeneration treatment to the useless silicone oil after, so that infusion is held
The preparation method of device is more environmentally-friendly；
5, by being respectively equipped in the die cavity of the preheated mold and the blow mold with Discrete control temperature function
The electric heating wire of energy or the electric heating wire equipped at least two with different heating temperature, can be improved heating speed and temperature tune
The flexibility of control, and segmentally heating even local heating can be realized to plastic parison, so as to realize accurate heating.
6, injecting step, the preheating step, the blowing steps and the demoulding step are realized by injection blow molding machine, and
In conjunction with the two axis drawing and formings used in blowing steps, raw material used in container formation is since for polypropylene plastics, use is general
Property it is high, without additionally adding the elastomer of the functions such as plasticising, packaging material compatibility is good.And the novel infusion container quality prepared
Soft and quality is stablized, the advantages of with soft bag infusion container, and the advantages of bottle itself can be retained, can vertical type put
It sets, plastic infusion soft bag is avoided to lie low, cannot stand the shortcomings that placing.
Embodiment two:
Fig. 2 is referred to, the embodiment of the invention provides a kind of infusion vessels with hanging ring, as described in embodiment one
The preparation method of infusion vessel with hanging ring is prepared.
Currently, infusion vessel is generally transfusion flexible bag or plastic infusion bottle structure, wherein existing transfusion flexible bag can not
Uprightly, and plastic infusion bottle is then semi-open type infusion, there are the risks that microorganism and particle pollute in infusion process.
In order to solve this problem, the embodiment of the present invention provides following solution: referring to Fig. 2 to Fig. 4, the infusion
Container is plastic infusion bottle comprising bottleneck 2, bottleneck 1, body 3 and the smooth bottom of bottle 4 set gradually from top to bottom；It is described
The front-back of body 3 and two sides are connected with globoidal structure；The bottom of bottle 4 is recessed fluted 5；Be provided in the groove 5 with
The hanging ring 7 that the bottom of bottle 4 connects；The height of the body 3 is 105-177mm；At the center of both front-backs of the body 3
Between spacing be 46-53mm；Spacing between the center of the two sides of the body 3 is 65-73mm；The body 3
With a thickness of 0.12-1mm；The bottom of bottle 4 with a thickness of 0.1-1mm；The radian of shoulder in the width direction of the body 3 is
10-40 degree, the radian of the shoulder on the length direction of the body 3 are 60-110 degree, the bottle in the width direction of the body 3
The radian at bottom is 5-55 degree.
Specifically, the hanging ring 7 is connect by fixed column 6 with the bottom of bottle 4.
In the present embodiment, the bottom of bottle of the infusion vessel is smooth, and passes through size, the thickness to the infusion vessel
The ingehious design of degree and radian, enables the infusion vessel to have the advantages of plastic infusion soft bag, can carry out closed
Infusion, the risk for avoiding semi open model infusion that microorganism and particle is brought to pollute；And the advantages of bottle itself can be retained, Neng Gouzhi
Vertical placement, avoids plastic infusion soft bag from lying low.
Above disclosed is only some preferred embodiments of the present invention, cannot limit the power of the present invention with this certainly
Sharp range, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and weighs according to the present invention
Benefit requires made equivalent variations, still belongs to the scope covered by the invention.
Claims (10)
1. a kind of preparation method of the infusion vessel with hanging ring, which comprises the following steps:
Injecting step: infusion vessel is formed in raw materials used addition injection blow molding machine, is injected after heated fusing in the injection blow molding machine
Parison mould in, rear cooling and shaping be bottom have hanging ring tubular plastic parison；
Preheating step: it after the extraction of parison mould plug, by plastic parison and goes in the preheated mold in the injection blow molding machine, leads to
It crosses the electric heating wire being equipped in the preheated mold to be preheated, the first one-step forming to the plastic parison progress pre-blowing after preheating；
Blowing steps: the plastic parison after pre-blowing is moved in the blow mold in the injection blow molding machine and carries out two axis drawing and formings；
It wherein, is heated by the electric heating wire being equipped in the blow mold during drawing and forming；
Demoulding step: infusion vessel after molding is cooled down and the demoulding station moved in the injection blow molding machine demoulds；
Wherein, at least two are respectively equipped with difference in the die cavity of the preheated mold and in the die cavity of the blow mold
The electric heating wire of heating temperature；At least two electric heating wires in the die cavity of each mold are needed according to the plastic parison
The heating temperature at the position to be heated accordingly is distributed in the different location in the die cavity of the mold；
Or, being respectively equipped in the die cavity of the preheated mold and in the die cavity of the blow mold with Discrete control temperature function
The electric heating wire of energy；The electric heating wire in the die cavity of each mold, each segmentation need to heat according to the plastic parison
The heating temperature at position be accordingly distributed in the different location in the die cavity of the mold.
2. the preparation method of the infusion vessel according to claim 1 with hanging ring, which is characterized in that the injection blow molding machine
The injection volume of parison mould is 30%-90%, and mold work temperature is 10-50 DEG C；Wherein, the temperature of the type core of the parison mould
Low 3 DEG C of temperature or more for spending the type chamber than the parison mould.
3. the preparation method of the infusion vessel according to claim 1 with hanging ring, which is characterized in that the injection blow molding machine
The gate diameter of the runner of hot runner system is 2-6mm, and the runner is circular flow channel, and the geat of the hot runner system is circle
Shape or ellipse.
4. the preparation method of the infusion vessel according to claim 1 with hanging ring, which is characterized in that the injection blow molding machine
Melt adhesive temperature is 180 DEG C -260 DEG C, injection pressure 3-15MPa.
5. the preparation method of the infusion vessel according to claim 1 with hanging ring, which is characterized in that walked in the preheating
In rapid, the temperature of preheating is 70-160 DEG C, and the air pressure of pre-blowing is 0.2-0.7MPa, and the gassing time of pre-blowing is 1-6 seconds.
6. the preparation method of the infusion vessel according to claim 1 with hanging ring, which is characterized in that walked in the blow molding
In rapid, the temperature of preheating is 35-100 DEG C, and the blow mold is 0.7-2MPa, gassing time 1- to the air blowing air pressure of parison
6 seconds.
7. the preparation method of the infusion vessel according to claim 1 with hanging ring, which is characterized in that the infusion vessel
For the integrally formed infusion bottle with plastics hanging ring.
8. the preparation method of the infusion vessel according to any one of claims 1 to 7 with hanging ring, which is characterized in that institute
Stating infusion vessel raw material is high-purity polypropylene for medical article plastics.
9. a kind of infusion vessel with hanging ring, which is characterized in that described in any item with hanging ring by claim 1 to 8
The preparation method of infusion vessel is prepared.
10. the infusion vessel according to claim 9 with hanging ring, which is characterized in that the infusion vessel is infusion bottle,
It includes the bottleneck set gradually from top to bottom, bottleneck, body and smooth bottom of bottle；
The front-back of the body and two sides are connected with globoidal structure；The bottom of bottle recess is fluted；Setting in the groove
There is the hanging ring connecting with the bottom of bottle；
The height of the body is 105-177mm；Spacing between the center of both front-backs of the body is 46-
53mm；Spacing between the center of the two sides of the body is 65-73mm；The body with a thickness of 0.12-1mm；Institute
State bottom of bottle with a thickness of 0.1-1mm；The radian of shoulder in the width direction of the body is 10-40 degree, the length of the body
The radian for spending the shoulder on direction is 60-110 degree, and the radian of the bottom of bottle in the width direction of the body is 5-55 degree.
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| CN201811447784.7A CN109366935A (en) | 2018-11-29 | 2018-11-29 | A kind of infusion vessel and preparation method thereof with hanging ring |
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| CN110238988A (en) * | 2019-07-18 | 2019-09-17 | 四川科伦药业股份有限公司 | Production method of rotatable hanging ring bottle blank and bottle blank manufactured by method |
| CN110946756A (en) * | 2019-11-29 | 2020-04-03 | 佛山市工正包装设备科技股份有限公司 | Hanging ring integrated infusion container and preparation method thereof |
| CN110978462A (en) * | 2019-11-29 | 2020-04-10 | 佛山市工正包装设备科技股份有限公司 | Hanging ring blow mold bottom die, blow mold, blow molding method and hanging ring integrated infusion container |
| CN113997544A (en) * | 2021-10-18 | 2022-02-01 | 佛山市工正包装设备科技股份有限公司 | Forming method of PP small-caliber infusion bottle and infusion bottle |
| CN114043706A (en) * | 2021-11-15 | 2022-02-15 | 襄阳光瑞汽车零部件有限公司 | Pre-embedded fixed insert type integrated blow molding process |
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