CN109966145B - Hanging ring integrated infusion bottle and manufacturing method thereof - Google Patents
Hanging ring integrated infusion bottle and manufacturing method thereof Download PDFInfo
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- CN109966145B CN109966145B CN201910022763.9A CN201910022763A CN109966145B CN 109966145 B CN109966145 B CN 109966145B CN 201910022763 A CN201910022763 A CN 201910022763A CN 109966145 B CN109966145 B CN 109966145B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/05—Containers specially adapted for medical or pharmaceutical purposes for collecting, storing or administering blood, plasma or medical fluids ; Infusion or perfusion containers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/1462—Containers with provisions for hanging, e.g. integral adaptations of the container
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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
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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
- B29C49/18—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor using several blowing steps
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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
- 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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Engineering & Computer Science (AREA)
- Hematology (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
A hanging ring integrated infusion bottle comprises a bottle body and a hanging ring, wherein the hanging ring and the bottle body are integrally formed, and the infusion bottle is manufactured through the steps of injection molding, pre-blow molding, blow molding and bottle taking. The invention has the beneficial effects that: integrated into one piece between rings and the infusion bottle, no membrane gap that closes, the risk of not droing, no quality risk, the quality is high, need not the heat-sealing, removes heat-sealing's process from, has reduced the cost of labor, has reduced manufacturing cost, has reduced environmental pollution, and environmental protection is effectual, excellent in use effect does benefit to the popularization.
Description
Technical Field
The invention relates to the technical field of plastic bottle manufacturing, in particular to a hanging ring integrated infusion bottle and a manufacturing method thereof.
Background
At present, in the conventional infusion bottle (infusion bag) on the market, bottle (the bag body) is detached with rings, and rings welding is in the bottom of bottle (the bag body), and the defect of this kind of infusion bottle (infusion bag) lies in:
firstly, because the hanging ring is welded with the infusion bottle (infusion bag), and a mold closing gap is formed between the hanging ring and the infusion bottle (infusion bag), the firmness degree between the hanging ring and the infusion bottle (infusion bag) is low, the hanging ring is easy to fall off, and the danger is easy to cause;
secondly, two sets of molds are needed for producing the infusion bottle (infusion bag) and the hanging ring, so that the production cost is increased and is increased;
the infusion bottle (infusion bag) and the hanging ring are usually welded manually in the welding process, so that the automation degree is low, a large amount of personnel is required for auxiliary operation, the quality risk is increased, and the labor cost is increased;
and fourthly, the infusion bottle (infusion bag) and the hanging ring are fixed in a heating welding mode, so that the environmental pollution is easily caused.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a hanging ring integrated infusion bottle and a manufacturing method thereof, which can manufacture the hanging ring integrated infusion bottle, have no quality risk, and meet the requirement of plastic bottle production.
The invention adopts the technical scheme for solving the technical problems that: the hanging ring integrated infusion bottle comprises a bottle body, wherein a bottle opening is formed in the bottle body, and a hanging ring which is integrally formed with the bottle body is arranged at the bottom of the bottle body.
The lifting ring is connected with the bottle body through a fixing column, and the fixing column is integrally formed with the lifting ring and the bottle body.
The bottom of the bottle body is provided with a notch, and the hanging ring is positioned in the notch.
The manufacturing method of the hanging ring integrated infusion bottle comprises the following steps:
the first step, injection molding, namely, injecting the mixed raw materials through a hanging ring integrated bottle blank injection mold to form a bottle blank of a hanging ring integrated infusion bottle, wherein a joint of a cavity and a hanging ring in the injection molded bottle blank is free of a mold closing seam;
and secondly, pre-blow molding, comprising the following steps:
a1, performing variable-pressure preheating, namely performing variable-pressure preheating on the bottle blank of the obtained hanging ring integrated infusion bottle, wherein the bottle blank is preheated at the pressure of 0.05-0.07 Mpa for 1-2 minutes at the preheating temperature of 30-40 ℃, then preheated at the pressure of 0.01-0.02 Mpa for 1-2 minutes at the preheating temperature of 32-42 ℃, and finally preheated at the pressure of 0.03-0.04 Mpa for 1-2 minutes at the preheating temperature of 35-45 ℃, and then preblowing;
a2, pre-blowing, namely pre-blowing the bottle blank of the hanging ring integrated infusion bottle obtained after preheating, wherein the pre-blowing temperature is 130-150 ℃, taking out the bottle blank after the pre-blowing is finished, placing the bottle blank on a station, naturally cooling the bottle blank to room temperature, blowing air at low pressure during the pre-blowing, wherein the pre-blowing pressure is 0.4-0.6 Mpa, blowing air at low pressure for the first time until the bottle blank is crystallized and preformed, then exhausting the air, and blowing air at low pressure for the second time until the bottle blank is preformed;
and thirdly, blow molding, namely after the pre-blown bottle blank is naturally cooled, carrying out bottle blowing on the cooled pre-blown bottle blank again, wherein the blow molding comprises the following steps:
b1, performing variable-pressure preheating, namely performing variable-pressure preheating on a bottle blank of the hanging ring integrated infusion bottle subjected to pre-blowing molding, firstly preheating for 1 to 2 minutes under the pressure of 0.12 to 0.22Mpa at the preheating temperature of 30 to 40 ℃, then preheating for 1 to 2 minutes under the pressure of 0.07 to 0.09Mpa at the preheating temperature of 30 to 40 ℃, and finally preheating for 1 to 2 minutes under the pressure of 0.1 to 0.11Mpa at the preheating temperature of 35 to 45 ℃, and then performing pre-blowing;
b2, blowing a bottle, namely blowing the bottle blank of the preheated hanging ring integrated infusion bottle with high pressure air, wherein the pressure of the blown bottle is 0.8 Mpa-1.2 Mpa, the temperature of the blown bottle is 140-160 ℃, the first high pressure air is blown to the bottle blank for crystallization forming, the air is discharged, the second high pressure air is blown to the bottle blank for forming, and the finished product plastic bottle is obtained after the bottle blowing is finished;
and fourthly, taking the bottle, demolding and taking down the obtained finished product hanging ring integrated infusion bottle to obtain the hanging ring integrated infusion bottle.
The invention relates to a hanging ring integrated infusion bottle and a manufacturing method thereof, wherein in the first step, injection molding is carried out, mixed raw materials are injected and molded into a bottle blank of the hanging ring integrated infusion bottle through a hanging ring integrated bottle blank injection mold, a cavity in the injection-molded bottle blank is not provided with a die closing gap at the joint of the hanging ring, the injection-molded hanging ring and the infusion bottle are integrated without the die closing gap, and then the second step, the second step and the pre-blow molding are carried out, and the manufacturing method comprises the following steps:
a1, performing variable-pressure preheating, namely performing variable-pressure preheating on the bottle blank of the obtained hanging ring integrated infusion bottle, wherein the bottle blank is preheated at the pressure of 0.05-0.07 Mpa for 1-2 minutes at the preheating temperature of 30-40 ℃, then preheated at the pressure of 0.01-0.02 Mpa for 1-2 minutes at the preheating temperature of 32-42 ℃, and finally preheated at the pressure of 0.03-0.04 Mpa for 1-2 minutes at the preheating temperature of 35-45 ℃, and then preblowing;
a2, preblowing the bottle blank of the suspension ring integrated infusion bottle obtained after preheating, wherein the preblowing temperature is 130-150 ℃, the preblowing is finished, the bottle blank is taken out and placed on a station, and is naturally cooled to room temperature, low-pressure air blowing is adopted during preblowing, the preblowing pressure is 0.4-0.6 Mpa, the first low-pressure air blowing is carried out until the bottle blank is preformed by crystallization, then air is discharged, the second low-pressure air blowing is carried out until the bottle blank is preformed, variable-pressure preheating is used for averaging the temperature of the bottle blank from the surface to the inside, temperature averaging can be realized at each position of the bottle blank by a variable-pressure mode, temperature averaging is realized at any position of the bottle blank, the temperature averaging of the bottle blank and the suspension ring is ensured, the stability and the quality of the formed suspension ring integrated infusion bottle is high, the quality of the suspension ring integrated infusion bottle is improved, the quality is high, and the third step of blow molding is carried out, after the pre-blown bottle blank is naturally cooled, carrying out bottle blowing on the cooled pre-blown bottle blank again, wherein the blow molding comprises the following steps:
b1, performing variable-pressure preheating, namely performing variable-pressure preheating on a bottle blank of the hanging ring integrated infusion bottle subjected to pre-blowing molding, firstly preheating for 1 to 2 minutes under the pressure of 0.12 to 0.22Mpa at the preheating temperature of 30 to 40 ℃, then preheating for 1 to 2 minutes under the pressure of 0.07 to 0.09Mpa at the preheating temperature of 30 to 40 ℃, and finally preheating for 1 to 2 minutes under the pressure of 0.1 to 0.11Mpa at the preheating temperature of 35 to 45 ℃, and then performing pre-blowing;
b2, blowing a bottle, namely blowing a bottle blank of the preheated hanging ring integrated infusion bottle by high-pressure air blowing, wherein the pressure of the blown bottle is 0.8-1.2 Mpa, the temperature of the blown bottle is 140-160 ℃, the first high-pressure air blowing is carried out to the bottle blank for crystallization forming, gas is discharged, the second high-pressure air blowing is carried out to the bottle blank for forming, and a finished product plastic bottle is obtained after the bottle blowing is finished, the variable-pressure preheating has the function of averaging the temperature of the bottle blank from the surface to the inside, the temperature averaging can be realized at each position of the bottle blank by a variable-pressure mode, the temperature averaging is realized at any position of the bottle blank, the temperature averaging of the bottle blank and the hanging ring is ensured, the formed hanging ring integrated infusion bottle has good stability and high quality, the quality of the hanging ring integrated infusion bottle is improved, the quality of the hanging ring integrated infusion bottle is high, the bottle is taken out by the fourth step, the obtained finished product hanging ring integrated infusion bottle is taken out of the mold, and obtaining the hanging ring integrated infusion bottle.
The invention has the beneficial effects that: according to the hanging ring integrated infusion bottle and the manufacturing method thereof, the hanging ring integrated infusion bottle is manufactured, the hanging ring and the infusion bottle are integrally formed, a film-combining gap is avoided, the falling risk is avoided, the quality is high, heating welding is not needed, the heating welding process is omitted, the labor cost is reduced, the production cost is reduced, the environmental pollution is reduced, the environment-friendly effect is good, the using effect is good, and the popularization is facilitated.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Description of reference numerals: the bottle comprises a bottle body 10, a bottle opening 10-1, a notch 10-2, a hanging ring 11 and a fixing column 11-1.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
with reference to the accompanying drawings:
the first embodiment is as follows:
the hanging ring integrated infusion bottle comprises a bottle body 10, wherein a bottle opening 10-1 is formed in the bottle body 10, and a hanging ring 11 which is integrally formed with the bottle body 10 is arranged at the bottom of the bottle body 10.
The hanging ring 11 is connected with the bottle body 10 through a fixing column 11-1, and the fixing column 11-1, the hanging ring 11 and the bottle body 10 are integrally formed.
The bottom of the bottle body 10 is provided with a notch 10-2, and the hanging ring 11 is positioned in the notch 10-2.
The manufacturing method of the hanging ring integrated infusion bottle comprises the following steps:
the first step, injection molding, namely, injecting the mixed raw materials through a hanging ring integrated bottle blank injection mold to form a bottle blank of a hanging ring integrated infusion bottle, wherein a joint of a cavity and a hanging ring in the injection molded bottle blank is free of a mold closing seam;
and secondly, pre-blow molding, comprising the following steps:
a1, performing variable-pressure preheating, namely performing variable-pressure preheating on the obtained bottle blank of the hanging ring integrated infusion bottle, firstly preheating for 1 minute under the pressure of 0.05Mpa at the preheating temperature of 30 ℃, then preheating for 1 minute under the pressure of 0.01Mpa at the preheating temperature of 32 ℃, and finally preheating for 1 minute under the pressure of 0.03Mpa at the preheating temperature of 35 ℃, and then performing preblowing;
a2, pre-blowing, namely pre-blowing the bottle blank of the hanging ring integrated infusion bottle obtained after preheating, wherein the pre-blowing temperature is 130 ℃, taking out the bottle blank after the pre-blowing is finished, placing the bottle blank on a station, naturally cooling the bottle blank to room temperature, blowing air at low pressure during the pre-blowing, wherein the pre-blowing pressure is 0.4Mpa, blowing air at low pressure for the first time until the bottle blank is crystallized and preformed, then exhausting the air, and blowing air at low pressure for the second time until the bottle blank is preformed;
and thirdly, blow molding, namely after the pre-blown bottle blank is naturally cooled, carrying out bottle blowing on the cooled pre-blown bottle blank again, wherein the blow molding comprises the following steps:
b1, performing variable-pressure preheating, namely performing variable-pressure preheating on a bottle blank of the hanging ring integrated infusion bottle subjected to pre-blowing molding, firstly preheating for 1 minute under the pressure of 0.12Mpa at the preheating temperature of 30 ℃, then preheating for 1 minute under the pressure of 0.07Mpa at the preheating temperature of 30 ℃, and finally preheating for 1 minute under the pressure of 0.1Mpa at the preheating temperature of 35 ℃, and then performing pre-blowing;
b2, blowing a bottle, namely blowing the bottle blank of the preheated hanging ring integrated infusion bottle with high pressure air, wherein the pressure of the blown bottle is 0.8Mpa, the temperature of the blown bottle is 140 ℃, the first high pressure air is blown to the bottle blank for crystallization forming, the air is discharged, the second high pressure air is blown to the bottle blank for forming, and a finished product plastic bottle is obtained after the blown bottle is finished;
and fourthly, taking the bottle, demolding and taking down the obtained finished product hanging ring integrated infusion bottle to obtain the hanging ring integrated infusion bottle.
Example two:
the hanging ring integrated infusion bottle comprises a bottle body 10, wherein a bottle opening 10-1 is formed in the bottle body 10, and a hanging ring 11 which is integrally formed with the bottle body 10 is arranged at the bottom of the bottle body 10.
The hanging ring 11 is connected with the bottle body 10 through a fixing column 11-1, and the fixing column 11-1, the hanging ring 11 and the bottle body 10 are integrally formed.
The bottom of the bottle body 10 is provided with a notch 10-2, and the hanging ring 11 is positioned in the notch 10-2.
The manufacturing method of the hanging ring integrated infusion bottle comprises the following steps:
the first step, injection molding, namely, injecting the mixed raw materials through a hanging ring integrated bottle blank injection mold to form a bottle blank of a hanging ring integrated infusion bottle, wherein a joint of a cavity and a hanging ring in the injection molded bottle blank is free of a mold closing seam;
and secondly, pre-blow molding, comprising the following steps:
a1, performing variable-pressure preheating, namely performing variable-pressure preheating on the bottle blank of the obtained hanging ring integrated infusion bottle, firstly preheating for 1 minute under the pressure of 0.06Mpa at the preheating temperature of 35 ℃, then preheating for 2 minutes under the pressure of 0.02Mpa at the preheating temperature of 38 ℃, and finally preheating for 1 minute under the pressure of 0.03Mpa at the preheating temperature of 40 ℃, and then performing preblowing;
a2, pre-blowing, namely pre-blowing the bottle blank of the hanging ring integrated infusion bottle obtained after preheating, wherein the pre-blowing temperature is 140 ℃, taking out the bottle blank after the pre-blowing is finished, placing the bottle blank on a station, naturally cooling the bottle blank to room temperature, blowing air at low pressure during pre-blowing, wherein the pre-blowing pressure is 0.5Mpa, blowing air at low pressure for the first time until the bottle blank is crystallized and preformed, then exhausting the air, and blowing air at low pressure for the second time until the bottle blank is preformed;
and thirdly, blow molding, namely after the pre-blown bottle blank is naturally cooled, carrying out bottle blowing on the cooled pre-blown bottle blank again, wherein the blow molding comprises the following steps:
b1, performing variable-pressure preheating, namely performing variable-pressure preheating on a bottle blank of the flying ring integrated infusion bottle subjected to pre-blowing molding, firstly preheating for 1 minute under the pressure of 0.15Mpa at the preheating temperature of 35 ℃, then preheating for 1 minute under the pressure of 0.08Mpa at the preheating temperature of 35 ℃, and finally preheating for 2 minutes under the pressure of 0.11Mpa at the preheating temperature of 42 ℃, and then performing pre-blowing;
b2, blowing a bottle, namely blowing the bottle blank of the preheated hanging ring integrated infusion bottle with high pressure air, wherein the pressure of the blown bottle is 1.0Mpa, the temperature of the blown bottle is 150 ℃, the first high pressure air is blown to the bottle blank for crystallization forming, the air is discharged, the second high pressure air is blown to the bottle blank for forming, and a finished product plastic bottle is obtained after the blown bottle is finished;
and fourthly, taking the bottle, demolding and taking down the obtained finished product hanging ring integrated infusion bottle to obtain the hanging ring integrated infusion bottle.
Example three:
the hanging ring integrated infusion bottle comprises a bottle body 10, wherein a bottle opening 10-1 is formed in the bottle body 10, and a hanging ring 11 which is integrally formed with the bottle body 10 is arranged at the bottom of the bottle body 10.
The hanging ring 11 is connected with the bottle body 10 through a fixing column 11-1, and the fixing column 11-1, the hanging ring 11 and the bottle body 10 are integrally formed.
The bottom of the bottle body 10 is provided with a notch 10-2, and the hanging ring 11 is positioned in the notch 10-2.
The manufacturing method of the hanging ring integrated infusion bottle comprises the following steps:
the first step, injection molding, namely, injecting the mixed raw materials through a hanging ring integrated bottle blank injection mold to form a bottle blank of a hanging ring integrated infusion bottle, wherein a joint of a cavity and a hanging ring in the injection molded bottle blank is free of a mold closing seam;
and secondly, pre-blow molding, comprising the following steps:
a1, performing variable-pressure preheating, namely performing variable-pressure preheating on the bottle blank of the obtained hanging ring integrated infusion bottle, firstly preheating for 2 minutes under the pressure of 0.07Mpa at the preheating temperature of 40 ℃, then preheating for 2 minutes under the pressure of 0.02Mpa at the preheating temperature of 42 ℃, and finally preheating for 2 minutes under the pressure of 0.04Mpa at the preheating temperature of 45 ℃, and then performing preblowing;
a2, pre-blowing, namely pre-blowing the bottle blank of the hanging ring integrated infusion bottle obtained after preheating, wherein the pre-blowing temperature is 150 ℃, taking out the bottle blank after the pre-blowing is finished, placing the bottle blank on a station, naturally cooling the bottle blank to room temperature, blowing air at low pressure during pre-blowing, wherein the pre-blowing pressure is 0.6Mpa, blowing air at low pressure for the first time until the bottle blank is crystallized and preformed, then exhausting the air, and blowing air at low pressure for the second time until the bottle blank is preformed;
and thirdly, blow molding, namely after the pre-blown bottle blank is naturally cooled, carrying out bottle blowing on the cooled pre-blown bottle blank again, wherein the blow molding comprises the following steps:
b1, performing variable-pressure preheating, namely performing variable-pressure preheating on a bottle blank of the hanging ring integrated infusion bottle subjected to pre-blowing molding, firstly preheating for 2 minutes under the pressure of 0.22Mpa at the preheating temperature of 40 ℃, then preheating for 2 minutes under the pressure of 0.09Mpa at the preheating temperature of 40 ℃, and finally preheating for 2 minutes under the pressure of 0.11Mpa at the preheating temperature of 45 ℃, and then performing pre-blowing;
b2, blowing a bottle, namely blowing the bottle blank of the preheated hanging ring integrated infusion bottle with high pressure air, wherein the pressure of the blown bottle is 1.2Mpa, the temperature of the blown bottle is 160 ℃, the first high pressure air is blown to the bottle blank for crystallization forming, the air is discharged, the second high pressure air is blown to the bottle blank for forming, and a finished product plastic bottle is obtained after the blown bottle is finished;
and fourthly, taking the bottle, demolding and taking down the obtained finished product hanging ring integrated infusion bottle to obtain the hanging ring integrated infusion bottle.
The hanging ring integrated infusion bottle manufactured in the first embodiment, the second embodiment and the third embodiment of the invention is selected to be compared with a conventional infusion bottle, and the comparison result is as follows:
as can be seen from the above table, the hanging ring integrated infusion bottle and the manufacturing method thereof according to the embodiments of the present invention are superior to conventional infusion bottles in quality evaluation, production cost, heat resistance, and stability.
The embodiment of the invention has the characteristics that: integrated into one piece between rings and the infusion bottle, no membrane gap that closes, the risk of not droing, no quality risk, the quality is high, need not the heat-sealing, removes heat-sealing's process from, has reduced the cost of labor, has reduced manufacturing cost, has reduced environmental pollution, and environmental protection is effectual, excellent in use effect does benefit to the popularization.
In the embodiment of the present invention, the infusion bottle may be replaced with an infusion bag, and is not limited to the infusion bottle.
While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.
Claims (3)
1. A hanging ring integrated infusion bottle is characterized in that: the manufacturing method of the infusion bottle integrated with the hanging ring comprises a bottle body (10), wherein a bottle opening (10-1) is formed in the bottle body (10), the hanging ring (11) which is integrally formed with the bottle body (10) is arranged at the bottom of the bottle body (10), and the manufacturing method of the infusion bottle integrated with the hanging ring comprises the following steps:
(1) injection molding, namely performing injection molding on the mixed raw materials through a hanging ring integrated bottle blank injection mold to form a bottle blank of a hanging ring integrated infusion bottle, wherein a joint of a cavity and the hanging ring in the injection molded bottle blank is free of a mold closing seam;
(2) pre-blow molding, comprising the following steps:
a1, performing variable-pressure preheating, namely performing variable-pressure preheating on the bottle blank of the obtained hanging ring integrated infusion bottle, wherein the bottle blank is preheated at the pressure of 0.05-0.07 Mpa for 1-2 minutes at the preheating temperature of 30-40 ℃, then preheated at the pressure of 0.01-0.02 Mpa for 1-2 minutes at the preheating temperature of 32-42 ℃, and finally preheated at the pressure of 0.03-0.04 Mpa for 1-2 minutes at the preheating temperature of 35-45 ℃, and then preblowing;
a2, pre-blowing, namely pre-blowing the bottle blank of the hanging ring integrated infusion bottle obtained after preheating, wherein the pre-blowing temperature is 130-150 ℃, taking out the bottle blank after the pre-blowing is finished, placing the bottle blank on a station, naturally cooling the bottle blank to room temperature, blowing air at low pressure during the pre-blowing, wherein the pre-blowing pressure is 0.4-0.6 Mpa, blowing air at low pressure for the first time until the bottle blank is crystallized and preformed, then exhausting the air, and blowing air at low pressure for the second time until the bottle blank is preformed;
(3) blow molding, after the pre-blown bottle blank is naturally cooled, blowing the cooled pre-blown bottle blank, wherein the blow molding comprises the following steps:
b1, performing pressure swing preheating, namely preheating the bottle blank of the obtained preblowing and forming hanging ring integrated infusion bottle for 1 to 2 minutes under the pressure of 0.12 to 0.22Mpa at the preheating temperature of 30 to 40 ℃, then preheating for 1 to 2 minutes under the pressure of 0.07 to 0.09Mpa at the preheating temperature of 30 to 40 ℃, finally preheating for 1 to 2 minutes under the pressure of 0.1 to 0.11Mpa at the preheating temperature of 35 to 45 ℃, and then preblowing;
b2, blowing a bottle, namely blowing the bottle blank of the preheated hanging ring integrated infusion bottle with high pressure air, wherein the pressure of the blown bottle is 0.8 Mpa-1.2 Mpa, the temperature of the blown bottle is 140-160 ℃, the first high pressure air is blown to the bottle blank for crystallization forming, the air is discharged, the second high pressure air is blown to the bottle blank for forming, and the finished product plastic bottle is obtained after the bottle blowing is finished;
(4) and (4) taking the bottle, demolding and taking down the obtained finished product plastic bottle to obtain the hanging ring integrated infusion bottle.
2. The hanging ring integrated infusion bottle of claim 1, wherein: the hanging ring (11) is connected with the bottle body (10) through a fixing column (11-1), and the fixing column (11-1), the hanging ring (11) and the bottle body (10) are integrally formed.
3. The hanging ring integrated infusion bottle of claim 1, wherein: a notch (10-2) is formed in the bottom of the bottle body (10), and the hanging ring (11) is located in the notch (10-2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811634182 | 2018-12-29 | ||
| CN2018116341822 | 2018-12-29 |
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| CN109966145A CN109966145A (en) | 2019-07-05 |
| CN109966145B true CN109966145B (en) | 2021-11-12 |
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| CN115366394A (en) * | 2022-09-06 | 2022-11-22 | 常州博疆新材料科技有限公司 | Distributed heating blow molding process with temperature increasing in thermal field |
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| DE102007029810A1 (en) * | 2007-06-27 | 2009-01-02 | Fresenius Kabi Deutschland Gmbh | Preform and method of manufacturing a container for holding liquids for medical applications |
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