CN106514971A - Transfusion plastic bottle double-color combined cover and injection mold thereof - Google Patents
Transfusion plastic bottle double-color combined cover and injection mold thereof Download PDFInfo
- Publication number
- CN106514971A CN106514971A CN201611079920.2A CN201611079920A CN106514971A CN 106514971 A CN106514971 A CN 106514971A CN 201611079920 A CN201611079920 A CN 201611079920A CN 106514971 A CN106514971 A CN 106514971A
- Authority
- CN
- China
- Prior art keywords
- double
- water stopping
- composite cover
- injection mold
- elastomer body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- A61J1/1412—Containers with closing means, e.g. caps
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/34—Moulds having venting means
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C2045/1698—Making multilayered or multicoloured articles multicoloured articles moulded in one step
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2101/00—Use of unspecified macromolecular compounds as moulding material
- B29K2101/12—Thermoplastic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/56—Stoppers or lids for bottles, jars, or the like, e.g. closures
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The invention relates to a transfusion plastic bottle double-color combined cover and an exhaust structure of an injection mold thereof, aims to solve the technical problem that air trapping is caused by disorderly flowing of an elastomer body in an injection molding process of the double-color combined cover, and belongs to the technical field of injection molding of medical transfusion plastic bottle double-color combined covers. The transfusion plastic bottle double-color combined cover is characterized in that a central shaft is used as a circle center of the upper part of the elastomer body, a plurality of water stopping grooves which are equally distributed uniformly are formed in a position near the periphery of the elastomer body, reinforcing ribs which are connected with a combined cover body are placed among the water stopping grooves, and space between each water stopping groove and a liquid isolating film and space between each water stopping groove and the inner side wall of an upper cavity are filled with an elastomer body (TPE) material; and in the injection mold of the double-color combined cover, an insert is in sleeve connection with a heat nozzle sleeve, water stopping ribs are placed on a surface, which is connected with the elastomer body, of the insert, the overall dimension of each water stopping rib is matched with the dimensional of a cavity of the corresponding water stopping groove in the elastomer body, and the water stopping ribs and the water stopping grooves not only guide the injection molding elastomer body material to flow orderly, but also guide air in the upper cavity to be discharged from air discharge grooves of an inner side surface and an outer side surface of the insert of the injection mold.
Description
Technical field
The present invention relates to a kind of double-colored composite cover, more particularly to a kind of double-colored composite cover of transfusion plastic bottle and its injection mold
Exhaust structure, the double-colored composite cover injection molding technology field of category medical transfusion plastic bottle.
Background technology
Medical large transfusion is one of important kind of pharmaceutical industry, and the plastic of big transfusion product packaging becomes main flow and becomes
Gesture.The built-in TPE elastomer of the double-colored composite cover upper cavity of routine, is connected with the infusion port of transfusion package on the inside of lower chamber, composite cover
Upper cavity, lower chamber connect up and down and be linked to be composite cover body, double-colored composite cover body（PP expects）And elastomer（TPE expects）Can lead to
Cross single injection-molded.Double-shot moulding simplifies processing step, reduces production cost, improves the qualification rate of composite cover.But
It is in product injection moulding process elastomer（TPE）The unordered flowing of body, makes elastomer（TPE）Body（6）The air of intracavity is not
Can smoothly discharge, there is trapped gas hidden danger.The double-colored composite cover of trapped gas is after high temperature sterilize because being affected to occur by expanding with heat and contract with cold
Following phenomenon：It is easily caused elastomer（TPE）Body and composite cover（PP）Body is separated, it is impossible to form an entirety；In resin
When acupuncture elastomer is infused, or there is elastomeric body and cave in, elastomeric body follows the broken circular arc barrier film of resin spicula, falls into
It is internal to PP material composite cover sheets；Or when resin pin is extracted, elastomeric body is separated with PP composite cover bodies together with resin pin,
Cause leakage.
The content of the invention
The purpose of the present invention is to improve the double-colored composite cover structure of transfusion plastic bottle, avoids elasticity in double-colored composite cover injection moulding process
Body（TPE）There is trapped gas in the unordered flowing of body, provides the aerofluxuss knot of a kind of double-colored composite cover of transfusion plastic bottle and its injection mold
Structure.
For reaching above-mentioned purpose, the technical scheme of employing is：A kind of the infuse double-colored composite cover of plastic bottle and its injection mold, bag
Double-colored composite cover body and injection mold is included, the double-colored composite cover body includes composite cover body and elastomeric body, inner chamber
By the upper cavity and lower chamber that are connected up and down is divided into every liquid film, in two-period form hollow cylinder structure, every liquid film in upwards
Convex spherical arc shape curved surface, the elastomeric body be placed in it is described in the epicoele body above liquid film, and with the upper cavity
Medial wall is brought into close contact and is connected, it is characterised in that
With central shaft as the center of circle, nearly periphery is equipped with multiple water-blocking grooves for waiting Jing uniform, the dash on the elastomeric body top
The PP material reinforcements being connected with the composite cover body, the water-blocking groove and described between liquid film, Yi Jisuo is equipped between groove
State；
Double-colored composite cover injection mold, covers and its is placed in the annular insert in the hot nozzle set outside including conical heat nozzle, described
Annular insert covers telescopic connection with the hot nozzle, and the mold insert is equipped with water retaining ribs with the abutted surface of the elastomeric body, institute
The overall dimensions and the inner chamber of water-blocking groove in the elastomeric body for stating water retaining ribs match, and face is put inside and outside the mold insert
There is air discharge duct, the air during injection moulded elastomer in epicoele body is discharged from the air discharge duct.
The positive effect of the present invention is：The setting of water retaining ribs groove effectively changes elastomer（TPE）Body had been molded
Flowing in journey, guides elastomer（TPE）The bottom of the air Jing water retaining ribs grooves in body epicoele body is from inlaid piece of mould two sides
Air discharge duct discharge, and reduce elastomer（TPE）Body cavity internal volume, that is, reduce elastomer（TPE）The use of body
Amount, reduces the cost of double-colored composite cover；The internal PP material reinforcement of the composite cover sheet increased in double-colored composite cover PP material with
Elastomer（TPE）Connection area, enhance PP and elastomer in double-colored composite cover（TPE）Bonding force.
Description of the drawings
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Fig. 1 is double-colored composite cover upper end surface structure schematic diagram of the invention（A middle acupuncture ring）；
Fig. 2 is double-colored composite cover upper end surface structure schematic diagram of the invention（Middle two acupuncture rings）；
Fig. 3 is the A-A of Fig. 1 or Fig. 2 to cross section structure diagram；
B-B direction cross section structure diagrams of the Fig. 4 for Fig. 1 or Fig. 2；
Fig. 5 is that double-colored composite cover launches internal structure schematic diagram（The acupuncture ring of upper surface three）；
Fig. 6 is injection mold and double-colored composite cover attachment structure schematic diagram.
In figure, 1 water-blocking groove；1.1 water retaining ribs；2 PP expect reinforcement；3 composite cover bodies；4 every liquid film；5 patches
Film；6 elastomeric bodies；7—（Mold insert both sides）Air discharge duct；8 glue-feeders；9 hot nozzle sets；10 mold inserts；11 acupuncture rings.
Specific embodiment
Embodiments of the invention are described in further detail below in conjunction with description of the drawings, but the present embodiment is not used to limit
The system present invention, every analog structure and its similar change using the present invention, all should list protection scope of the present invention in, the present invention
In pause mark represent the relation of sum.
The elastomer of double-colored composite cover（TPE）Flowing of the body in injection moulding process is irregular, does not have the stream for determining
Dynamic direction, causes the air in the epicoele body of injection moulded elastomer and can not discharge glibly outside mould, and the flowing to melt produces resistance
It is stagnant.The purpose of the present invention improves the double-colored composite cover structure of transfusion plastic bottle, avoids double-colored composite cover injection moulding process elastomer（TPE）
There is trapped gas in the unordered flowing of body.Technical scheme for this is：
A kind of the infuse double-colored composite cover of plastic bottle and its injection mold, including a kind of double-colored composite cover body of transfusion plastic bottle and injection mould
Tool, the double-colored composite cover body include composite cover body 3 and elastomeric body 6, and inner chamber is linked to be up and down by being divided into every liquid film 4
The upper cavity and lower chamber of one, in two-period form hollow cylinder structure, every liquid film 4 in convex spherical arc shape curved surface, the elasticity
Body body 6 is placed in described in the epicoele body above liquid film 4, and is brought into close contact with the medial wall of the upper cavity and is linked to be one
Body, it is characterised in that
From Fig. 1～Fig. 5, with central shaft as the center of circle, it is uniform that nearly periphery is equipped with the Jing such as multiple on the elastomeric body 6 top
Water-blocking groove 1, is equipped with the PP material reinforcements 2 being connected with the composite cover body 3, the water-blocking groove 1 and institute between the water-blocking groove 1
State between liquid film 4, and between the medial wall of the water-blocking groove 1 and the upper cavity, be filled with the elastomeric body 6
TPE expects；
Fig. 6 show mould when double-colored composite cover is molded and combines cover attaching structure with double-colored, and injection mold includes conical heat nozzle
Set 9, the glue-feeder 8 being placed in the hot nozzle set 9, and the annular insert 10 that is placed on the outside of the hot nozzle set 9, the annular edge
Part 10 covers 9 telescopic connections with the hot nozzle, and the mold insert 10 is equipped with water retaining ribs 1.1 with the abutted surface of the elastomeric body 6,
The overall dimensions of the water retaining ribs 1.1 are matched with the inner chamber of water-blocking groove 1 in the elastomeric body 3, and in the mold insert 10
Outer two sides are equipped with air discharge duct, in injection moulded elastomer（TPE）During air in epicoele body discharge from the air discharge duct.
The PP material reinforcements 2 being connected with the composite cover body 3 are equipped between the water-blocking groove 1, not only guiding injection bullet
Gonosome body material from the water-blocking groove 1 and described between liquid film 4, and from the water-blocking groove 1 with the composite cover body 3
Flow between the medial wall of cavity, and guide face inside and outside mold insert 10 described in the air from injection mold in the epicoele body to put
Some air discharge ducts are discharged（Fig. 5, Fig. 6）.
The setting of the water-blocking groove 1 and PP reinforcements 2, reduces elastomer（TPE）The volume of body 6, so as to reduce
Elastomer（TPE）The weight of body 6；Increased PP material and elastomer in double-colored composite cover（TPE）Bonded area, enhance double
PP material and elastomer in colour cell closing lid（TPE）Bonding force；Also as in the double-colored composite cover of transfusion PP reinforcements 2 with it is described every
Liquid film 4 is connected, and increased the support force every liquid film 4, in acupuncture course, effectively reduces the damaged diameter every liquid film 4, hinders
Elastomer is stopped（TPE）Body 6 caves in；When tree pointer is extracted every liquid film 4 and elastomer（TPE）During body 6, elastomer
（TPE）6 energy rapid closing of body, seals pin hole and will not produce the phenomenon of leakage.
The upper surface of upper cavity elastomeric body is equipped with 11 concave groove mark of acupuncture ring（Fig. 1 Fig. 2 and Fig. 5 show upper end respectively
Acupuncture ring 11 concave groove mark in face is 1,2,3）, Fig. 4 show the upper surface surface of elastomeric body and is equipped with tearable pad pasting 5.
Claims (1)
1. a kind of double-colored composite cover of transfusion plastic bottle and its injection mold, including double-colored composite cover body and injection mold, described double
Colour cell closing lid body includes composite cover body and elastomeric body, and inner chamber by being divided into the upper cavity that is connected up and down every liquid film
And lower chamber, in two-period form hollow cylinder structure, it is in convex spherical arc shape curved surface every liquid film, the elastomeric body is placed in described
In the epicoele body above liquid film, and it is brought into close contact with the medial wall of the upper cavity and is connected, it is characterised in that：
With central shaft as the center of circle, nearly periphery is equipped with multiple water-blocking grooves for waiting Jing uniform, the dash on the elastomeric body top
The PP material reinforcements being connected with the composite cover body, the water-blocking groove and described between liquid film, Yi Jisuo is equipped between groove
State；
Double-colored composite cover injection mold, covers and its is placed in the annular insert in the hot nozzle set outside including conical heat nozzle, described
Annular insert covers telescopic connection with the hot nozzle, and the mold insert is equipped with water retaining ribs with the abutted surface of the elastomeric body, institute
The overall dimensions and the inner chamber of water-blocking groove in the elastomeric body for stating water retaining ribs match, and face is put inside and outside the mold insert
There is air discharge duct, the air during injection moulded elastomer in epicoele body is discharged from the air discharge duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611079920.2A CN106514971A (en) | 2016-11-30 | 2016-11-30 | Transfusion plastic bottle double-color combined cover and injection mold thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611079920.2A CN106514971A (en) | 2016-11-30 | 2016-11-30 | Transfusion plastic bottle double-color combined cover and injection mold thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106514971A true CN106514971A (en) | 2017-03-22 |
Family
ID=58354120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611079920.2A Pending CN106514971A (en) | 2016-11-30 | 2016-11-30 | Transfusion plastic bottle double-color combined cover and injection mold thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106514971A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109125067A (en) * | 2018-03-05 | 2019-01-04 | 上海太平洋实业有限公司 | A kind of double-colored combined cap of infusion plastic bottle |
-
2016
- 2016-11-30 CN CN201611079920.2A patent/CN106514971A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109125067A (en) * | 2018-03-05 | 2019-01-04 | 上海太平洋实业有限公司 | A kind of double-colored combined cap of infusion plastic bottle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170322 |
|
| WD01 | Invention patent application deemed withdrawn after publication |