CN214357686U

CN214357686U - Double-color transparent cover and mold thereof

Info

Publication number: CN214357686U
Application number: CN202022872309.3U
Authority: CN
Inventors: 林卓辉; 张信勤
Original assignee: Tragot Guangzhou Material Technology Co ltd
Current assignee: Tragot Guangzhou Material Technology Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-10-08
Anticipated expiration: 2030-12-02

Abstract

The utility model relates to a double-colored transparent cover mould, its technical scheme main points are: comprises an upper die holder and a lower die holder; the top of the lower die base is provided with a bulge; an accommodating groove for placing a gasket is formed in the boss; the bottom of the upper die holder is provided with a concave part; the convex part and the concave part are matched to form a mold cavity for forming the bottle cap; according to the die, the die cavity is formed by matching the concave part of the upper die holder and the convex part of the lower die holder; and the gasket is placed through the accommodating groove on the bulge part; when the bottle cap is formed, the gasket can be punched and cut, and then the gasket is placed in the accommodating cavity through the manipulator and is integrated with the bottle cap in the injection molding process; the gasket and the bottle cap are of an integrally formed structure, so that the sealing performance can be greatly improved, the processing steps in the manufacturing process can be reduced, and the manufacturing cost can be effectively reduced; the application also provides a double-color transparent cover.

Description

Double-color transparent cover and mold thereof

Technical Field

The utility model relates to the field of packaging technology, more specifically say, it relates to a double-colored transparent cover and mould thereof.

Background

Most of yoghourt covers and cup covers for packaging quick-heating and cold drink products in the current market are processed by plastic uptake and injection molding processes; the product is formed by combining plastic suction thermoforming with printing, the color of the cover is generally transparent or different, and the cover can be provided with printing patterns, and the printing patterns mainly play a role in improving the appearance of the product and attracting consumers, but because the printing process is applied, especially the printing of solvent ink, the hidden food safety hazard exists and the product is not environment-friendly. Most covers using the injection molding process are single-color opaque, even if the covers are processed by using transparent materials, the transparent effect of a molded product is not good, an expensive multi-color injection molding special mold is required, and the cost is higher.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a double-colored transparent cover and mould thereof can form an organic whole with gasket and the direct processing of bottle lid, and the sealing performance of bottle lid is better.

The above technical purpose of the present invention can be achieved by the following technical solutions: a double-color transparent cover die comprises an upper die base and a lower die base; the top of the lower die base is provided with a bulge; an accommodating groove for placing a gasket is formed in the boss; the bottom of the upper die holder is provided with a concave part; the raised portions and the recessed portions cooperate to form a mold cavity for forming the bottle cap.

Optionally, the mold cavity comprises a lower cover cavity and an upper cover cavity; the upper cover cavity is positioned on the upper end surface of the lower cover cavity, and the lower cover cavity is communicated with the upper cover cavity.

Optionally, the boss comprises a thread block arranged at the top of the lower die base; a convex block is arranged on the thread block; the accommodating groove is arranged in the convex block;

the concave part comprises a thread groove and a groove which are formed in the upper die holder; the groove is positioned on the upper end surface of the thread groove and is communicated with the thread groove;

the thread block is matched with the thread groove to form a lower cover cavity; the groove and the lug are matched to form an upper cover cavity.

Optionally, the die further comprises a clamping plate for fixing the lower die holder; the clamping plate is arranged on the outer wall of the lower die holder in a surrounding mode.

Optionally, the upper die holder is provided with a through hole; the through hole is communicated with the accommodating groove; and a pressing plate for fixing the gasket is clamped in the through hole.

The utility model also provides a double-color transparent cover made by the mold, which comprises a bottle cover body; the bottle cap body comprises an upper cap body and a lower cap body; the upper cover body is arranged at the top of the lower cover body; an opening is formed in the upper cover body; a gasket is arranged on the opening.

Optionally, the outer side wall of the upper cover body is provided with a pattern.

Optionally, the upper cover body and the lower cover body are of an integrated structure; the gasket and the upper cover body are of an integrated structure.

Optionally, the gasket is a transparent gasket.

To sum up, the utility model discloses following beneficial effect has:

1. the utility model discloses a double-color transparent cover die, which forms a die cavity by matching the concave part of an upper die base and the convex part of a lower die base; and the gasket is placed through the accommodating groove on the bulge part; when the bottle cap is formed, the gasket can be punched and cut, and then the gasket is placed in the accommodating cavity through the manipulator and is integrated with the bottle cap in the injection molding process; the gasket and the bottle cap are of an integrally formed structure, the sealing performance of the bottle cap can be greatly improved, the processing steps in the manufacturing process can be reduced, and the manufacturing cost can be effectively reduced.

2. Can fix the die holder through the cardboard to make the unable relative upper die base of die holder rotate, and then can guarantee in the bottle lid production process of moulding plastics, the internal screw thread relative position of thread groove can not change, takes place the skew with the internal thread line of guaranteeing on the bottle lid of compression moulding, can guarantee the gas tightness of bottle lid.

3. Can fix the gasket through the clamp plate, guarantee in the bottle lid production process of moulding plastics, the gasket can further contact with the bottle lid to improve the compactness between gasket and the bottle lid, further improve the sealing performance and the theftproof performance of bottle lid.

4. Go up lid and lid accessible polychrome material integrated into one piece down, improve the technical level and the input threshold that the bottle lid was whole made, compare with monochromatic bottle lid, simple and easy technique and low-cost input have had very big promotion, and can reduce the risk of being plagiarized, imitative, improve the antifalsification, the security performance is higher.

Drawings

Fig. 1 is a sectional view of an upper die base in the die of the present invention;

FIG. 2 is a schematic structural view of the middle and lower mold bases of the mold of the present invention;

FIG. 3 is a sectional view of the middle mold according to the present invention during injection molding;

FIG. 4 is an enlarged view of A in FIG. 3;

FIG. 5 is an assembly view of the transparent cover of the present invention;

fig. 6 is a schematic structural view of the transparent cover of the present invention.

In the figure: 1. an upper die holder; 2. a lower die holder; 3. a boss portion; 31. a thread block; 32. a bump; 4. a recessed portion; 41. a thread groove; 42. a groove; 5. accommodating grooves; 6. a mold cavity; 61. an upper cover cavity; 62. a lower cap cavity; 7. clamping a plate; 8. a through hole; 9. pressing a plate; 10. a pattern groove; 11. a bottle cap body; 101. an upper cover body; 102. a lower cover body; 12. an opening; 13. a gasket; 14. and (4) patterning.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

The application provides a double-color transparent cover die, as shown in fig. 1 to 4, the double-color transparent cover die comprises an upper die holder 1 and a lower die holder 2; the top of the lower die holder 2 is provided with a bulge 3; an accommodating groove 5 for accommodating a gasket 13 is formed in the boss 3; the bottom of the upper die holder 1 is provided with a concave part 4; the protrusions 3 and the depressions 4 cooperate to form a mould cavity 6 for forming the closure.

A die cavity 6 is formed by matching the concave part 4 of the upper die holder 1 with the convex part 3 of the lower die holder 2; and the gasket 13 is placed through the accommodating groove 5 on the boss 3; when the bottle cap is formed, the gasket 13 can be directly formed in one step or the existing gasket 13 is punched into a required shape, then the machined gasket 13 is grabbed and placed in the accommodating groove 5 through a manipulator, and in the bottle cap injection molding process, the gasket 13 and the edge of the bottle cap subjected to injection molding in the mold cavity 6 can be directly formed integrally; after the bottle cap in the die cavity 6 is formed, the upper die base 1 and the lower die base 2 are sequentially taken out, the gasket 13 in the accommodating groove 5 and the edge of the bottle cap are of an integrated structure, and compared with the structure and the process that the bottle cap is manufactured firstly and then the gasket 13 is assembled on the bottle cap in the prior art, the sealing performance of the bottle cap manufactured by the scheme can be greatly improved, meanwhile, the processing steps in the manufacturing process can be reduced, and the manufacturing cost can be effectively reduced.

Alternatively, as shown in fig. 3 and 4, the mold cavity 6 comprises a lower cover cavity 62 and an upper cover cavity 61; the upper cover cavity 61 is positioned on the upper end surface of the lower cover cavity 62, and the lower cover cavity 62 is communicated with the upper cover cavity 61.

The lower cover cavity 62 and the upper cover cavity 61 adopt a communicated structural design, and in the bottle cap injection molding process, the upper cover body 101 and the lower cover body 102 can be directly formed by machining at one time, so that the machining process is more convenient, the machining difficulty is reduced, and meanwhile, the sealing performance of the bottle cap is improved.

Alternatively, as shown in fig. 2, the boss 3 comprises a thread block 31 disposed at the top of the lower die base 2; the thread block is provided with a convex block 32; the receiving groove 5 is arranged in the bump 32;

as shown in fig. 1, the concave part 4 comprises a thread groove 41 and a groove 42 which are arranged in the upper die holder 1; the groove 42 is positioned on the upper end face of the thread groove 41, and the groove 42 is communicated with the thread groove 41;

the thread block 31 and the thread groove 41 are matched to form a lower cover cavity 62; the recess 42 cooperates with the projection 32 to form an upper cover cavity 61.

A lower cover cavity 62 with threads is formed by matching the thread block 31 with the thread groove 41, and an upper cover cavity 61 with a lug 32 is formed by matching the groove 42 with the lug 32; when the bottle cap is machined, threads in the thread grooves 41 are directly formed in the lower cap cavity 62, and the threads in the lower cap cavity 62 can facilitate the bottle cap to be fixed on the bottle body, so that the sealing performance of the bottle cap is guaranteed.

Optionally, as shown in fig. 3, the die holder further comprises a clamping plate 7 for fixing the lower die holder 2; the clamping plate 7 is arranged on the outer wall of the lower die holder 2 in a surrounding mode.

In the bottle cap injection molding process, the lower die base 2 can be fixed through the clamping plate 7 so that the lower die base 2 cannot rotate relative to the upper die base 1, and then the relative position of the internal thread of the thread groove 41 cannot be changed in the bottle cap injection molding production process, so that the internal thread line on the bottle cap formed by compression molding is not deviated, and the air tightness of the bottle cap can be guaranteed.

Optionally, as shown in fig. 1 and fig. 3, the upper die holder 1 is provided with a through hole 8; the through hole 8 is communicated with the accommodating groove 5; and a pressing plate 9 for fixing a gasket 13 is clamped in the through hole 8.

Through being provided with clamp plate 9, in the bottle lid production process of moulding plastics, clamp plate 9 can be fixed gasket 13, and gasket 13 can further contact with the bottle lid to improve the compactness between the edge at gasket 13 and bottle lid top, further improve the sealing performance and the theftproof performance of bottle lid.

The utility model also provides a double-color transparent cover, as shown in fig. 5 and fig. 6, comprising a bottle cover body 11; the bottle cap body 11 comprises an upper cap body 101 and a lower cap body 102; the upper cover body 101 is arranged on the top of the lower cover body 102; an opening 12 is formed in the upper cover body 101; a gasket 13 is provided on the opening 12.

Alternatively, as shown in fig. 5 and 6, the outer side wall of the upper cover body 101 is provided with a pattern 14. The outer wall of the lower cover 102 may be provided with patterns 14 of different colors. The yoghourt cover and the cup cover for packaging the quick hot/cold drink products in the current market are both products formed by combining plastic sucking thermoforming and printing, the cover is generally transparent or different in color, and has printed patterns; the printed patterns mainly play a role in improving the appearance of the product and attracting consumers, but the bottle cap has potential food safety hazards and is not environment-friendly due to the application of an ink printing process, particularly solvent ink printing. However, most caps manufactured by injection molding are opaque in a single color, and even if they are manufactured using a transparent material, the transparent effect of the molded product is not good. The transparent bottle cap is provided with the pattern groove 10 through the mold, so that patterns are formed on the bottle cap obtained through processing, compared with the manufacturing process of printing patterns in the prior art, the transparent bottle cap is higher in safety performance, and the processing process is simpler.

Optionally, the upper cover 101 and the lower cover 102 are of an integrated structure; the gasket 13 and the upper cover body 101 are of an integrated structure; the upper cover body 101 and the lower cover body 102 are integrally formed through a die, so that the difficulty of the processing process can be reduced, and the sealing performance of the upper cover body and the lower cover body can be greatly improved; during processing, firstly, a gasket 13 matched with the bottle cap is punched according to the shape of the required bottle cap, then the gasket 13 is implanted into an injection mold through a manipulator, and the gasket 13 and the edge of the top of the upper cover body 101 are directly and integrally formed in the injection molding process; the tightness between the gasket 13 and the bottle cap can be improved, and the sealing performance and the anti-theft performance of the bottle cap can be further improved; compared with the prior art, the steps of the processing process are greatly reduced, and the processing technology is simpler and quicker.

Alternatively, the upper cover 101 and the lower cover 102 may be injection molded by using materials with different colors, such as environmental friendly materials like PP and PET. The technical level and the input threshold of the whole manufacture of the bottle cap can be improved, compared with a single-color bottle cap, the simple technology and the low-cost input are greatly improved, the risk of plagiarism and imitation can be reduced, the anti-counterfeiting performance is improved, and the safety performance is higher.

Further, the gasket 13 is a transparent gasket 13; the upper cover body 101 and the lower cover body 102 are made of transparent materials; the thickness of the gasket 13 is 0.4-1 mm.

The gasket 13, the upper cover body 101 and the lower cover body 102 are made into transparent colors, and articles in the bottle cap can be seen through the gasket 13, the upper cover body 101 and the lower cover body 102; the thickness of the gasket 13 is set to be 0.4-1mm, and the hot/cold drink cup cover is convenient to be matched with a straw.

The utility model discloses a double-colored transparent cover through specific mould, with gasket 13 and the direct one shot forming of bottle lid, can improve the compactness between gasket 13 and the bottle lid greatly, further improves the sealing performance and the theftproof performance of bottle lid.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A double-color transparent cover die is characterized by comprising an upper die holder and a lower die holder; the top of the lower die base is provided with a bulge; an accommodating groove for placing a gasket is formed in the boss; the bottom of the upper die holder is provided with a concave part; the raised portions and the recessed portions cooperate to form a mold cavity for forming the bottle cap.

2. The dual color transparent cover mold of claim 1, wherein the mold cavity comprises a lower cover cavity and an upper cover cavity; the upper cover cavity is positioned on the upper end surface of the lower cover cavity, and the lower cover cavity is communicated with the upper cover cavity.

3. The dual-color transparent cover mold according to claim 2, wherein the protrusion comprises a thread block arranged on the top of the lower mold base; a convex block is arranged on the thread block; the accommodating groove is arranged in the convex block;

4. The mold of claim 1, further comprising a clamping plate for fixing the lower holder; the clamping plate is arranged on the outer wall of the lower die holder in a surrounding mode.

5. The mold according to claim 1, wherein the upper mold base has a through hole; the through hole is communicated with the accommodating groove; and a pressing plate for fixing the gasket is clamped in the through hole.

6. The dual color transparent cover mold of claim 3, wherein the thread groove is provided with a pattern groove therein.

7. A two-color transparent cap made by the mold of any one of claims 1-6, comprising a cap body; the bottle cap body comprises an upper cap body and a lower cap body; the upper cover body is arranged at the top of the lower cover body; an opening is formed in the upper cover body; a gasket is arranged on the opening.

8. The dual color transparent cover according to claim 7, wherein the outer sidewall of the upper cover body is provided with a pattern.

9. The bi-color transparent cover according to claim 7, wherein the upper cover and the lower cover are an integrated structure; the gasket and the upper cover body are of an integrated structure.

10. The bi-color transparent cover according to claim 7, wherein said gasket is a transparent gasket.