CN215970034U - Pointed-shaped embryo-bottom PET bottle embryo capable of preventing bottle bottom stacking - Google Patents
Pointed-shaped embryo-bottom PET bottle embryo capable of preventing bottle bottom stacking Download PDFInfo
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- CN215970034U CN215970034U CN202120998864.2U CN202120998864U CN215970034U CN 215970034 U CN215970034 U CN 215970034U CN 202120998864 U CN202120998864 U CN 202120998864U CN 215970034 U CN215970034 U CN 215970034U
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Abstract
The utility model discloses a sharp-bottom PET bottle blank capable of preventing bottle bottom stacking, which comprises a blank opening, a blank neck, a blank body and a blank bottom, wherein the blank neck and the blank body are of cylindrical structures, the outer diameter of the blank neck is larger than that of the blank body, and an external thread and a reinforcing ring are arranged outside the blank opening; three clamping strips are uniformly distributed in the inner part of the embryo opening along the circumferential direction of the embryo opening, and the clamping strips are of wedge-shaped structures, and the thicknesses of the clamping strips are sequentially increased from the embryo opening to the embryo neck; the embryonic bottom comprises a gradual change section and an arc section. According to the bottle blank, the clamping strips are arranged to ensure that the bottle blank is stably connected with the supporting columns during bottle blowing, so that the bottle blank is prevented from shaking; meanwhile, compared with the conventional round bottom blank, the conical blank bottom can save 8-10% of raw materials during injection molding, the diameter of the conical blank bottom is reduced, which is equivalent to increase of the stretching ratio in the diameter direction during bottle blowing, thereby being beneficial to uniform distribution of bottom plastics and preventing material accumulation. The thickness of the gradual change section becomes thinner gradually, so that the gradual change section can be uniformly stressed during bottle blowing, and the bottle blowing effect is ensured.
Description
Technical Field
The utility model relates to the technical field of bottle blanks, in particular to a sharp-bottom PET bottle blank capable of preventing bottle bottom stacking.
Background
The plastic bottle is produced through injection molding in an injection molding machine and blow molding in a bottle blowing machine before the bottle blank is hardened. The general bottle embryo is in the shape of a test tube and consists of an embryo opening, an embryo neck, an embryo body and an embryo bottom, wherein the embryo opening and the embryo neck are not moved in the blow molding process, the embryo body and the embryo bottom are expanded and thinned under the action of internal air pressure, and the outer side surface of the embryo body is molded in a mold of a plastic bottle.
When the bottle blank is blown by a bottle, the bottle mouth is downwards sleeved on the support column for bottle blowing, and the caliber of the bottle mouth is larger than the outer diameter of the support column for the convenience of sleeving the support column into the bottle mouth. Therefore, the bottle blank is easy to shake and dislocate when the support column drives the bottle blank to move, and the bottle body of the bottle blowing molded plastic bottle is easy to shake due to the enlarged volume so as to separate from the support column, and the molded plastic bottle cannot be normally taken down. Meanwhile, the bottle bottom of the existing bottle blank is a spherical bottle bottom, the spherical bottom is filled quickly, but the material is easily accumulated at the bottom section of the outer bottle, the appearance of the bottle is influenced, and the raw material waste is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a pointed-blank-bottom PET bottle blank capable of preventing the bottle bottom from being piled, and the clamping strips are arranged to ensure that the bottle blank is stably connected with the supporting columns during bottle blowing so as to avoid the bottle blank from shaking; meanwhile, compared with the conventional round bottom blank, the conical blank bottom can save 8-10% of raw materials during injection molding, the diameter of the conical blank bottom is reduced, which is equivalent to increasing the stretching ratio in the diameter direction during bottle blowing, thereby being beneficial to uniformly distributing plastic at the bottom and preventing material accumulation. The thickness of the gradual change section becomes thinner gradually, so that the gradual change section can be uniformly stressed during bottle blowing, and the bottle blowing effect is ensured.
The purpose of the utility model is realized by the following technical scheme:
the sharp-bottom PET bottle blank capable of preventing the bottle bottom from being stacked comprises a blank opening, a blank neck, a blank body and a blank bottom, wherein the blank neck and the blank body are of cylindrical structures, the outer diameter of the blank neck is larger than that of the blank body, and an external thread and a reinforcing ring are arranged outside the blank opening;
three clamping strips are uniformly distributed in the inner part of the embryo opening along the circumferential direction of the embryo opening, and the clamping strips are of wedge-shaped structures, and the thicknesses of the clamping strips are sequentially increased from the embryo opening to the embryo neck;
the blank bottom comprises a gradual change section and an arc-shaped section, the gradual change section and the arc-shaped section form a tapered blank bottom structure, the gradual change section is positioned between the arc-shaped section and the blank body, and the thickness of the gradual change section is gradually reduced from the blank body to the arc-shaped section; the thickness of the arc-shaped section is smaller than that of the blank body, the thickness of one end, close to the blank body, of the transition section is the same as that of the blank body, and the thickness of one end, close to the arc-shaped section, of the transition section is the same as that of the arc-shaped section.
Furthermore, the embryo mouth, the embryo neck, the embryo body and the embryo bottom are of an integrated structure.
Furthermore, the inside of the embryo opening is also provided with three transition strips which are uniformly distributed along the circumference of the embryo opening, the three transition strips respectively correspond to the three clamping strips, the transition strips are of wedge-shaped structures with the thickness gradually increased from the embryo neck to the embryo opening, and the large-size ends of the transition strips are connected with the large-size ends of the clamping strips.
Furthermore, the transition strip and the clamping strip are of an integrated structure.
Further, the ratio of the thickness of the arc-shaped section to the thickness of the blank body is 0.9.
Further, the arc-shaped section and the gradual change section account for 35 percent and 65 percent of the whole bottle body in sequence.
The utility model has the beneficial effects that:
1) according to the bottle blank, the clamping strips are arranged to ensure that the bottle blank is stably connected with the supporting columns during bottle blowing, so that the bottle blank is prevented from shaking; meanwhile, compared with the conventional round bottom blank, the conical blank bottom can save 8-10% of raw materials during injection molding, the diameter of the conical blank bottom is reduced, which is equivalent to increase of the stretching ratio in the diameter direction during bottle blowing, thereby being beneficial to uniform distribution of bottom plastics and preventing material accumulation. The thickness of the gradual change section becomes thinner gradually, so that the gradual change section can be uniformly stressed during bottle blowing, and the bottle blowing effect is ensured.
2) The transition strip that sets up can avoid solid in the plastic bottle after the shaping to be blocked by the card position strip, still has certain direction, the effect of drainage simultaneously.
Drawings
FIG. 1 is a schematic diagram of an overall structure of a sharp-bottomed PET bottle blank for preventing the bottle bottom from stacking in an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1 taken at detail A;
in the figure, 1, the germ pore; 2. a germ neck; 3. a blank body; 4. a embryonic bottom; 5. a reinforcement ring; 6. a clamping strip; 7. a transition section; 8. an arc-shaped section; 9. and (4) a transition strip.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution:
example (b):
as shown in fig. 1 and 2, the sharp-bottom PET bottle blank for preventing the bottle bottom from being stacked comprises a blank opening 1, a blank neck 2, a blank body 3 and a blank bottom 4, wherein the blank neck 2 and the blank body 3 are cylindrical structures, the outer diameter of the blank neck 2 is larger than that of the blank body 3, and an external thread and a reinforcing ring 5 are arranged outside the blank opening 1;
three clamping strips 6 are uniformly distributed in the inner part of the blank opening 1 along the circumferential direction of the blank opening, and the clamping strips 6 are of wedge-shaped structures, the thicknesses of which are sequentially increased from the blank opening 1 to the blank neck 2;
the blank bottom comprises a gradual change section 7 and an arc-shaped section 8, the gradual change section 7 and the arc-shaped section 8 form a conical blank bottom structure, the gradual change section 7 is positioned between the arc-shaped section 8 and the blank body 3, and the thickness of the gradual change section 7 is gradually reduced from the blank body 3 to the arc-shaped section 8; the thickness of segmental arc 8 is less than the thickness of embryo body 3, the thickness of the one end that gradual change section 7 is close to embryo body 3 is the same with the thickness of embryo body 3, the thickness of the one end that gradual change section 7 is close to segmental arc 8 is the same with the thickness of segmental arc 8.
The working principle is as follows: when the whole back-off of bottle embryo is on the support column, the support column gets into the bottleneck, and along with the deepening of support column, the support column gets into gradually between three screens strip 6, and when the circumference that forms of three screens strip 6 and support column external diameter fit, the card that the support column is steady between screens strip 6. Because the distance between the three clamping strips 6 is large, solid matters (if orange grains of orange beverage) in the molded plastic bottle cannot be clamped between the clamping strips 6, and the normal use of the molded plastic bottle is not influenced.
Compared with the conventional round bottom blank 4, the conical blank bottom 4 can save 8-10% of raw materials during injection molding, the diameter of the conical blank bottom 4 is reduced, which is equivalent to increase of the stretching ratio in the diameter direction during bottle blowing, thereby being beneficial to uniform distribution of bottom plastics and preventing material accumulation. The thickness of the gradual change section 7 becomes thinner gradually, so that the gradual change section 7 can be uniformly stressed during bottle blowing, and the bottle blowing effect is ensured.
According to the bottle blank, the clamping strip 6 is arranged to ensure that the bottle blank is stably connected with the support column during bottle blowing, so that the bottle blank is prevented from shaking; meanwhile, compared with the conventional round bottom blank 4, the conical blank bottom 4 can save 8-10% of raw materials during injection molding, the diameter of the conical blank bottom 4 is reduced, which is equivalent to increase of the stretching ratio in the diameter direction during bottle blowing, thereby being beneficial to uniform distribution of bottom plastics and preventing material accumulation. The thickness of the gradual change section 7 becomes thinner gradually, so that the gradual change section 7 can be uniformly stressed during bottle blowing, and the bottle blowing effect is ensured.
Further, as shown in fig. 1 and fig. 2, the embryo opening 1, the embryo neck 2, the embryo body 3 and the embryo bottom 4 are an integrated structure.
Further, as shown in fig. 1 and 2, three transition strips 9 are further arranged in the blank opening 1, the three transition strips 9 are uniformly distributed along the circumferential direction of the blank opening 1, the three transition strips 9 correspond to the three clamping strips 6 respectively, the transition strips 9 are of wedge-shaped structures, the thickness of the wedge-shaped structures is gradually increased from the blank neck 2 to the blank opening 1, and the large-size ends of the transition strips 9 are connected with the large-size ends of the clamping strips 6.
If solid matters are contained in the formed plastic bottle, when the solid matters are poured out from the bottle, the solid matters are firstly contacted with the thin end (small-size end) of the transition strip 9 and then poured out from the transition strip 9 through the clamping strip 6. The transition strip 9 can avoid the solid matter in the plastic bottle after the shaping to be blocked by the screens strip 6, still has certain direction, drainage's effect simultaneously.
Further, as shown in fig. 1 and 2, the transition bar 9 and the locking bar 6 are of an integrated structure.
Further, as shown in fig. 1 and 2, the ratio of the thickness of the arc-shaped section 8 to the thickness of the blank body 3 is 0.9.
Further, as shown in fig. 1 and 2, the arc section 8 and the transition section 7 occupy 35% and 65% of the whole bottle body in sequence.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the utility model is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (6)
1. The utility model provides a prevent sharp bottom of embryo PET bottle embryo of bottle bottom windrow, includes embryo mouth, embryo neck, embryo body and embryo end, its characterized in that: the embryo neck and the embryo body are cylindrical structures, the outer diameter of the embryo neck is larger than that of the embryo body, and external threads and a reinforcing ring are arranged outside the embryo opening;
three clamping strips are uniformly distributed in the inner part of the embryo opening along the circumferential direction of the embryo opening, and the clamping strips are of wedge-shaped structures, and the thicknesses of the clamping strips are sequentially increased from the embryo opening to the embryo neck;
the blank bottom comprises a gradual change section and an arc-shaped section, the gradual change section and the arc-shaped section form a tapered blank bottom structure, the gradual change section is positioned between the arc-shaped section and the blank body, and the thickness of the gradual change section is gradually reduced from the blank body to the arc-shaped section; the thickness of the arc-shaped section is smaller than that of the blank body, the thickness of one end, close to the blank body, of the transition section is the same as that of the blank body, and the thickness of one end, close to the arc-shaped section, of the transition section is the same as that of the arc-shaped section.
2. The sharp-bottomed PET bottle preform for preventing the bottle bottom from being piled according to claim 1, characterized in that: the embryo mouth, the embryo neck, the embryo body and the embryo bottom are of an integrated structure.
3. The sharp-bottomed PET bottle preform for preventing the bottle bottom from being piled according to claim 2, characterized in that: the blank opening is internally provided with three transition strips which are uniformly distributed along the circumferential direction of the blank opening and correspond to the three clamping strips respectively, the transition strips are of wedge-shaped structures with the thickness gradually increased from the blank neck to the blank opening, and the large-size ends of the transition strips are connected with the large-size ends of the clamping strips.
4. The sharp-bottomed PET bottle preform for preventing the bottle bottom from being piled according to claim 3, characterized in that: the transition strip and the clamping strip are of an integrated structure.
5. The sharp-bottomed PET bottle preform for preventing bottle bottom stacking according to claim 4, characterized in that: the ratio of the thickness of the arc-shaped section to the thickness of the blank body is 0.9.
6. The sharp-bottomed PET bottle preform for preventing the bottle bottom from being piled according to claim 5, characterized in that: the arc section and the gradual change section account for 35%, 65% in proper order of whole bottle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120998864.2U CN215970034U (en) | 2021-05-11 | 2021-05-11 | Pointed-shaped embryo-bottom PET bottle embryo capable of preventing bottle bottom stacking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120998864.2U CN215970034U (en) | 2021-05-11 | 2021-05-11 | Pointed-shaped embryo-bottom PET bottle embryo capable of preventing bottle bottom stacking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215970034U true CN215970034U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120998864.2U Active CN215970034U (en) | 2021-05-11 | 2021-05-11 | Pointed-shaped embryo-bottom PET bottle embryo capable of preventing bottle bottom stacking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215970034U (en) |
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2021
- 2021-05-11 CN CN202120998864.2U patent/CN215970034U/en active Active
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