CN115367294A - Integrated high-sealing-performance bottle cap and production process thereof - Google Patents

Integrated high-sealing-performance bottle cap and production process thereof Download PDF

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Publication number
CN115367294A
CN115367294A CN202210939881.8A CN202210939881A CN115367294A CN 115367294 A CN115367294 A CN 115367294A CN 202210939881 A CN202210939881 A CN 202210939881A CN 115367294 A CN115367294 A CN 115367294A
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CN
China
Prior art keywords
cover body
main cover
injection molding
sealing ring
molding machine
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
Application number
CN202210939881.8A
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Chinese (zh)
Inventor
范智立
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202210939881.8A priority Critical patent/CN115367294A/en
Publication of CN115367294A publication Critical patent/CN115367294A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
    • B65D53/02—Collars or rings
    • 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
    • B29C45/1615—The materials being injected at different moulding stations
    • B29C45/1628—The materials being injected at different moulding stations using a mould carrier rotatable about an axis perpendicular to the opening and closing axis of the moulding stations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • B65D41/0407—Threaded or like caps or cap-like covers secured by rotation with integral sealing means
    • B65D41/0414—Threaded or like caps or cap-like covers secured by rotation with integral sealing means formed by a plug, collar, flange, rib or the like contacting the internal surface of a container neck

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Closures For Containers (AREA)

Abstract

An integrated high-sealing bottle cap and a production process thereof are characterized in that: the sealing ring is fixed with the main cover body into a whole in a hot melting mode, and the width of the sealing ring is larger than that of a bottle opening. The beneficial effects of the invention are: 1. simple structure, low production cost and improved market competitiveness. 2. The sealing ring and the main cover body are integrally formed, and sealing can be carried out while the cover is sealed, so that accessories such as an aluminum foil sealing sheet, a hot melt adhesive film, an aluminum cover, a gasket and the like do not need to be arranged for sealing, the process flow is simplified, and the production efficiency is improved. 3. The marking label and the bottle cap are integrally formed, so that the marking label is firm and can be distinguished from the bottle cap in color, the identification effect is obvious, and if the marking label is a trademark, a decorative pattern, an advertising phrase and the like, the product popularization effect is more obvious for a merchant.

Description

Integrated high-sealing-performance bottle cap and production process thereof
Technical Field
The invention relates to a sealing cover, in particular to a production process of an integrated high-sealing-performance bottle cover.
Background
Most of wide-mouth plastic bottles in the market have sealing requirements after the contents are filled, for example, the foods have quality guarantee period and food sanitation requirements and need to be sealed only by a tight bottle cap, the sealing requirements cannot be met, accessories such as an aluminum foil sealing sheet, a hot melt adhesive film, an aluminum cover, a gasket and the like are needed for sealing, sealing equipment needs to be purchased additionally for operation, one more process is obviously needed, and food pollution is easily caused in the sealing operation process. The aim of the enterprise is to pursue high efficiency, and the aim of many enterprises is to achieve the sealing requirement only by screwing the cover. There is therefore a need for further improvements.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a production process of an integrated high-sealing bottle cap, which has the advantages of simple structure, convenience in use, good sealing performance, simplicity and high efficiency in production.
The object of the invention is achieved in the following way: the utility model provides a high leakproofness bottle lid of integral type which characterized in that: the sealing ring is fixed with the main cover body into a whole in a hot melting mode, and the width of the sealing ring is larger than that of a bottle opening.
The main cover body is formed by injection molding of PP plastic.
The main cover body is made of PE plastic through injection molding.
The sealing ring is made of TPE plastic through injection molding.
The thickness of the sealing ring is 1.5mm-4mm.
The width of the sealing ring is 3mm-8mm.
A production process of an integrated high-sealing bottle cap comprises the following steps: the method is characterized in that: which comprises the following steps:
a: the main cover body and the sealing ring adopt a double-color injection molding process, raw materials for producing the sealing ring are added into the charging barrel with the A nozzle, and raw materials for producing the main cover body 1 are added into the charging barrel with the B nozzle.
B: the injection molding machine heats the raw material of the sealing ring to a molten liquid flow, and the molten liquid flow is injected into a cavity of an injection mold from a nozzle A of a charging barrel of the injection molding machine to form the sealing ring;
c: after a first-injection sealing ring is formed, a movable template of a double-color injection molding machine is rotated by 180 degrees to be matched, the injection molding machine heats the raw material of the main cover body to molten liquid flow, and the molten liquid flow is injected into a cavity of a second-injection mold from a nozzle B of a charging barrel of the injection molding machine to form the main cover body, so that the main cover body and the sealing ring are fused into a whole;
d: periodically opening the die: after the mold is opened periodically, the two-shot product is ejected out, and the movable mold plate of the molding machine of the double-color injection molding machine is rotated by 180 degrees to reset.
And B, injecting a nozzle of a charging barrel A of the injection molding machine into a cavity of the one-shot mold to form the marking paste, and during two-shot molding, heating the raw material of the main cover body to molten liquid flow by the injection molding machine, injecting the molten liquid flow into the cavity of the two-shot mold from the nozzle of the charging barrel B of the injection molding machine, and forming the main cover body so that the marking paste and the outer contour of the main cover body are fused into a whole.
The mark paste is formed on the outer cylindrical surface of the main cover body.
The mark paste is formed on the outer cylindrical surface of the main cover body and penetrates through the main cover body.
The invention has the beneficial effects that: 1. simple structure, low production cost and improved market competitiveness. 2. The sealing ring and the main cover body are integrally formed, and sealing can be carried out while the cover is sealed, so that accessories such as an aluminum foil sealing sheet, a hot melt adhesive film, an aluminum cover, a gasket and the like do not need to be arranged for sealing, the process flow is simplified, and the production efficiency is improved. 3. The marking label and the bottle cap are integrally formed, so that the marking label is firm and can be distinguished from the bottle cap in color, the identification effect is obvious, and if the marking label is a trademark, a decorative pattern, an advertising phrase and the like, the product popularization effect is more obvious for a merchant.
Drawings
FIG. 1 is a diagram illustrating the assembly effect of the present invention.
Fig. 2 is an assembly view of the structure of the present invention.
Fig. 3 is a partial structural sectional view of the first embodiment of the present invention.
Fig. 4 is a partial structural sectional view of a second embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The utility model provides a high leakproofness bottle lid of integral type which characterized in that: it includes the main lid 1 that forms by the stereoplasm plastic is moulded plastics, and the inner cup top injection moulding of main lid 1 has sealing washer 2, and sealing washer 2 is fixed as an organic whole with main lid 1 hot melt, and sealing washer 2 width is greater than the setting of bottleneck width.
The main cover body 1 is formed by injection molding of PP plastic.
The main cover body 1 is made of PE plastic through injection molding.
The sealing ring 2 is made of TPE plastic through injection molding.
The thickness of the sealing ring 2 is 1.5mm-4mm.
The width of the sealing ring 2 is 3mm-8mm.
A production process of an integrated high-sealing bottle cap comprises the following steps: the method is characterized in that: which comprises the following steps:
a: the main cover body 1 and the sealing ring 2 adopt a double-color injection molding process, raw materials for producing the sealing ring 2 are added into the charging barrel with the A nozzle, and raw materials for producing the main cover body 1 are added into the charging barrel with the B nozzle.
B: the injection molding machine heats the raw material of the sealing ring 2 to a molten state, and the molten liquid flow is injected into a cavity of an injection mold from a nozzle A of a charging barrel of the injection molding machine to mold the sealing ring 2;
c: after the first-shot sealing ring 2 is formed, a movable template of a double-color injection molding machine is rotated by 180 degrees to be matched, the injection molding machine heats the raw material of the main cover body 1 to a molten state, liquid flow is injected into a cavity of a second-shot mold from a nozzle B of a charging barrel of the injection molding machine, and the main cover body 1 is formed, so that the main cover body 1 and the sealing ring 2 are fused into a whole;
wherein, the material of pairing of double-colored moulding plastics must satisfy two basic compatible conditions, and it is compatible with the course of working promptly to adhere, can both fine two basic compatible conditions of satisfying through experimental PP material or PE material and TPE material, can make the sealing washer shaping back, during the secondary main lid of moulding plastics, enables main lid and sealing washer adhesion as an organic whole, can effectively avoid both occurrences of separation in later stage.
D: periodically opening the die: after the mold is opened periodically, the two-shot product is ejected out, and the movable mold plate of the molding machine of the double-color injection molding machine is rotated by 180 degrees to reset.
In the step B, the nozzle of the charging barrel A of the injection molding machine is injected into the cavity of the first-injection mold to form the marking sticker 3, and during the second-injection molding, the injection molding machine heats the raw material of the main cover body 1 to molten liquid flow and injects the molten liquid flow into the cavity of the second-injection mold from the nozzle of the charging barrel B of the injection molding machine to form the main cover body, so that the marking sticker 3 and the outline of the main cover body 1 are fused into a whole. Wherein, can mark the plastics colour of subsides with the shaping and carry out the differentiation setting with the colour of main lid to there is bright contrast with main lid, so that the user can be more clear observe mark the subsides content, promote user identification ability.
As shown in fig. 3, the label 3 is formed on the outer cylindrical surface of the main cover 1.
As shown in fig. 4, the label sticker 3 is formed on the outer cylindrical surface of the main cover body 1 and is disposed to penetrate through the main cover body 1.
Compared with the prior art, the structure in this case is with main lid and sealing washer integrated into one piece, consequently, when this bottle lid passes through screw-thread fit with the plastic bottle and screws up, the TPE flexible glue part is hugged closely as sealing washer and bottleneck terminal surface and is compressed tightly, has high leakproofness. Therefore, the packaging bottle using the main cover body does not need to be sealed by arranging accessories such as an aluminum foil sealing sheet, a hot melt adhesive film, an aluminum cover, a gasket and the like, sealing can be completed only by screwing the cover body, the production cost can be greatly reduced, the production efficiency is improved, and the main cover body can be widely popularized and used.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims (10)

1. The utility model provides a high leakproofness bottle lid of integral type which characterized in that: the sealing structure comprises a main cover body (1) formed by hard plastic injection molding, wherein a sealing ring (2) is injection molded on the top of an inner cover of the main cover body (1), the sealing ring (2) and the main cover body (1) are fixed into a whole through hot melting, and the width of the sealing ring (2) is larger than that of a bottle opening.
2. The integral type high leakproofness bottle lid of claim 1, characterized in that: the main cover body (1) is formed by injection molding of PP plastic.
3. The integral type high leakproofness bottle lid of claim 1, characterized in that: the main cover body (1) is made of PE plastic through injection molding.
4. The integral type high leakproofness bottle lid of claim 1, characterized in that: the sealing ring (2) is made of TPE plastic through injection molding.
5. The integral type high leakproofness bottle lid of claim 1, characterized in that: the thickness of the sealing ring (2) is 1.5mm-4mm.
6. The integral type high leakproofness bottle lid of claim 1, characterized in that: the width of the sealing ring (2) is 3mm-8mm.
7. The production process of the integrated high-sealability bottle cap as claimed in claim 1, wherein: the method is characterized in that: which comprises the following steps:
a: the main cover body (1) and the sealing ring (2) adopt a double-color injection molding process, raw materials for producing the sealing ring (2) are added into the charging barrel with the nozzle A, and raw materials for producing the main cover body (1) are added into the charging barrel with the nozzle B;
b: the injection molding machine heats the raw material of the sealing ring (2) to a molten state, and the molten liquid flow is injected into a cavity of an injection mold from a nozzle A of a charging barrel of the injection molding machine to mold the sealing ring (2);
c: after the first-injection sealing ring (2) is molded, a movable template of a double-color injection molding machine is rotated by 180 degrees to be matched, the injection molding machine heats the raw material of the main cover body (1) to molten liquid flow, and the molten liquid flow is injected into a cavity of a second-injection mold from a nozzle B of a charging barrel of the injection molding machine to mold the main cover body (1), so that the main cover body (1) and the sealing ring (2) are fused into a whole;
d: periodically opening the die: after the mold is opened periodically, the two-shot product is ejected out, and the movable mold plate of the molding machine of the double-color injection molding machine is rotated by 180 degrees to reset.
8. The production process of the integrated high-sealability bottle cap of claim 7, wherein the production process comprises the following steps: the method is characterized in that: and in the step B, a nozzle of a charging barrel A of the injection molding machine is injected into a cavity of the one-shot mold to form the marking paste (3), and during the two-shot molding, the injection molding machine heats the raw material of the main cover body (1) to molten liquid flow and injects the molten liquid flow into the cavity of the two-shot mold from the nozzle of the charging barrel B of the injection molding machine to form the main cover body, so that the marking paste (3) and the outline of the main cover body (1) are fused into a whole.
9. The production process of the integrated high-sealability bottle cap according to claim 8, wherein the production process comprises the following steps: the method is characterized in that: the label (3) is formed on the outer cylindrical surface of the main cover body (1).
10. The production process of the integrated high-sealability bottle cap according to claim 8, wherein the production process comprises the following steps: the method is characterized in that: the label (3) is formed on the outer cylindrical surface of the main cover body (1) and penetrates through the main cover body (1).
CN202210939881.8A 2022-08-05 2022-08-05 Integrated high-sealing-performance bottle cap and production process thereof Pending CN115367294A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210939881.8A CN115367294A (en) 2022-08-05 2022-08-05 Integrated high-sealing-performance bottle cap and production process thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210939881.8A CN115367294A (en) 2022-08-05 2022-08-05 Integrated high-sealing-performance bottle cap and production process thereof

Publications (1)

Publication Number Publication Date
CN115367294A true CN115367294A (en) 2022-11-22

Family

ID=84063364

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210939881.8A Pending CN115367294A (en) 2022-08-05 2022-08-05 Integrated high-sealing-performance bottle cap and production process thereof

Country Status (1)

Country Link
CN (1) CN115367294A (en)

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