CN216230714U

CN216230714U - Bottle bottom structure, bottle, bottom die and bottle blowing die

Info

Publication number: CN216230714U
Application number: CN202122666700.2U
Authority: CN
Inventors: 谢国基; 姜晓平; 林昌武; 梁炎均; 卢佳
Original assignee: GDXL Precise Machinery Co Ltd
Current assignee: GDXL Precise Machinery Co Ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-04-08
Anticipated expiration: 2031-11-02

Abstract

The utility model belongs to the technical field of bottle forming, and particularly relates to a bottle bottom structure, a bottle, a bottom die and a bottle blowing die. A bottle bottom structure comprises a central boss and a plurality of claw sections which are circumferentially distributed on the periphery of the central boss, grooves are arranged between the adjacent claw sections, the tops of the grooves are inclined planes, the distance from a bottle opening to a groove forming position is shortened by arranging the tops of the grooves as the inclined planes, the requirement of bottle blowing pressure is lowered, the forming of the grooves during low-pressure bottle blowing is facilitated, and the inclined planes are rectangular or trapezoidal structures, so that the pressure resistance of the bottle bottom is improved, and the mechanical property of the bottle bottom is improved; in addition, smooth transition is adopted among the claw flaps, the grooves and the central boss, and the molding among the claw flaps, the grooves and the central boss is facilitated during low-pressure bottle blowing.

Description

Bottle bottom structure, bottle, bottom die and bottle blowing die

Technical Field

The utility model belongs to the technical field of bottle forming, and particularly relates to a bottle bottom structure, a bottle, a bottom die and a bottle blowing die.

Background

With the increasingly fierce competition of the consumer market, bottle production enterprises put forward higher requirements on product quality, production efficiency and production cost, and the high-pressure bottle blowing mode adopted in the traditional bottle blowing process has higher consumption of high-pressure gas, is not beneficial to improving the product quality, saving energy, reducing emission and realizing efficient production, so that more and more bottle production enterprises hope to adopt the low-pressure bottle blowing mode.

At present, because the distance from the bottle mouth to the groove forming part is far away, the bottle needs higher air pressure to be formed during bottle blowing, and when low-pressure bottle blowing is carried out, the bottle bottom forming of the bottle is not favorable for forming the groove, so that the problem that the bottle bottom forming of the bottle is not full easily occurs, the quality of finished products is influenced, and the bottle bottom structure needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a bottle bottom structure, a bottle, a bottom die and a bottle blowing die.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the bottle bottom structure comprises a central boss and a plurality of claw pieces which are circumferentially distributed on the periphery of the central boss, wherein a groove is formed between every two adjacent claw pieces, and the top of the groove is an inclined plane.

As a further improvement of the present invention, the claw piece comprises an outer contour surface, an inner contour surface, a first side surface and a second side surface connecting the outer contour surface and the inner contour surface, and the first side surface, the second side surface, the outer contour surface and the inner contour surface are connected by a bottom contact surface.

As a further improvement of the utility model, the inclined plane is connected with the first side surface through a first transition cambered surface, and the inclined plane is connected with the second side surface through a second transition cambered surface.

As a further improvement of the utility model, the inclined plane is rectangular or trapezoidal.

As a further improvement of the utility model, the central boss comprises a conical surface and a positioning concave platform, the positioning concave platform is positioned at the top end of the central boss, the positioning concave platform comprises a cylindrical surface, and the cylindrical surface and the top of the conical surface are in transition connection through a first circular arc.

As a further improvement of the utility model, the claw petals and the conical surface and the grooves and the conical surface are in transition connection through transition curved surfaces.

As a further improvement of the present invention, the transition curved surface includes a first circular ring surface and a second circular ring surface which are alternately arranged, and the first circular ring surface and the second circular ring surface belong to the same circular ring or are smoothly connected.

Based on the bottle bottom structure, the utility model also provides a bottle which comprises the bottle bottom structure.

Based on the bottle bottom structure, the utility model also provides a bottom die which is used for bottle blowing forming of the bottle bottom structure and comprises a bottom die inner forming surface, wherein a bottom die central pit point and a bottom die inner forming part are arranged on the bottom die inner forming surface, and a first exhaust hole is arranged at the connecting position of the bottom die inner forming part and the bottom die inner forming surface; and a second exhaust hole is formed between the forming parts in the bottom die.

Based on the bottom die provided by the utility model, the utility model also provides a bottle blowing die which comprises the bottom die and the die cavity, wherein the die cavity is provided with an inner die cavity molding surface, the inner die cavity molding surface is provided with an inner die cavity molding part, and a plurality of third vent holes are arranged at the connecting positions of the inner die cavity molding part and the inner die cavity molding surface.

The utility model has the beneficial effects that: the top of the groove is arranged to be the inclined plane, so that the distance from the bottle opening to the forming position of the groove is shortened, the requirement on bottle blowing pressure is reduced, the groove is more favorably formed in low-pressure bottle blowing, and the inclined plane is of a rectangular or trapezoid structure, so that the pressure resistance of the bottle bottom is improved, and the mechanical property of the bottle bottom is improved; in addition, smooth transition is adopted among the claw flaps, the grooves and the central boss, and the molding among the claw flaps, the grooves and the central boss is facilitated during low-pressure bottle blowing.

Drawings

The utility model is further illustrated by the following figures and embodiments:

FIG. 1 is a perspective view of one embodiment of a bottle bottom;

FIG. 2 is a view in another orientation of the embodiment of FIG. 1;

FIG. 3 is a schematic diagram of an embodiment of a bottle;

FIG. 4 is a schematic structural view of an embodiment of a bottom mold;

FIG. 5 is a perspective view of one embodiment of a mold cavity;

fig. 6 is a view of the embodiment of fig. 5 from another orientation.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

Example (b):

as shown in fig. 1 and fig. 2, the present embodiment discloses a bottle bottom structure, which includes a central boss 1 and a plurality of claw pieces 2 circumferentially distributed on the periphery of the central boss 1, wherein a groove 3 is disposed between adjacent claw pieces 2, and the top of the groove 3 is an inclined plane 4. The top of the groove 3 is set to be the inclined plane 4, so that the distance from the bottle mouth to the forming part of the groove 3 is shortened, the requirement of bottle blowing pressure is reduced, and the forming of the groove 3 is more favorable for low-pressure bottle blowing

In a preferred embodiment, the claw piece 2 comprises an outer contour surface 5, an inner contour surface 6, a first side surface 7 and a second side surface 8 connecting the outer contour surface 5 and the inner contour surface 6, wherein the first side surface 7, the second side surface 8, the outer contour surface 5 and the inner contour surface 6 are connected by a bottom contact surface 9. The inclined plane 4 is connected with the first side surface 7 through a first transition arc surface 10, and the inclined plane 4 is connected with the second side surface 8 through a second transition arc surface 11. The inclined plane 4 is rectangular or trapezoidal. The pressure resistance of the bottle bottom is improved, and the mechanical property of the bottle bottom is improved.

In a preferred embodiment, the central boss 1 comprises a conical surface 12 and a positioning concave platform 13, and the diameter of the central boss 1 is 10-20 mm. The positioning concave table 13 is positioned at the top end of the central boss 1, the positioning concave table 13 comprises a cylindrical surface 14, and the cylindrical surface 14 is in transitional connection with the top of the conical surface 12 through a first circular arc 15. Claw lamella 2 and conical surface 12 between and all through transition surface 16 transitional coupling between slot 3 and the conical surface 12, transition surface 16 is including the first ring surface and the second ring surface that set up in turn, first ring surface with the second ring surface belongs to same ring or first ring surface with the smooth connection of second ring surface. Smooth transition is adopted among the claw flaps 2, the grooves 3 and the central boss 1, and positions which are difficult to form such as depressions and grooves do not exist, so that the forming among the claw flaps 2, the grooves 3 and the central boss 1 is facilitated during low-pressure bottle blowing.

In this embodiment, the bottle bottom structure includes five claw lobes, and in other embodiments, may include three claw lobes, four claw lobes, six claw lobes, seven claw lobes, and the like.

As shown in fig. 3, based on the bottle bottom structure disclosed in the above embodiment, the embodiment of the present invention further discloses a bottle, which includes the bottle bottom structure and the bottle body disclosed in the above embodiment.

As shown in fig. 4, based on the bottle bottom structure disclosed in the above embodiment, the embodiment of the present invention further discloses a bottom mold, which is used for bottle blowing and molding the bottle bottom structure of the above embodiment, and includes a bottom mold inner molding surface 23, where the bottom mold inner molding surface 23 is provided with a bottom mold center socket point 24 and a bottom mold inner molding portion 25, a connection position of the bottom mold inner molding portion 25 and the bottom mold inner molding surface 23 is provided with a first exhaust hole 26, a connection position of the bottom mold inner molding portion 25 and the bottom mold inner molding surface 23 is provided with a first exhaust groove 27, and the first exhaust hole 26 is arranged in the first exhaust groove 27. Second exhaust holes 28 are formed between the bottom in-mold forming portions 25, second exhaust grooves 29 are formed between the bottom in-mold forming portions 25, and the second exhaust holes 28 are formed in the second exhaust grooves 29. When the traditional bottom die is used for blowing the bottle, higher bottle blowing pressure is needed to ensure that the bottle bottom is fully formed, and high-pressure air is consumed; once the bottle blowing pressure is reduced, the bottle bottom of the bottle is not fully formed, the quality of finished products is affected, the technical requirements of low-pressure bottle blowing cannot be met, and the low-pressure bottle blowing device is not beneficial to improving the product quality of enterprises, saving energy, reducing emission and realizing high-efficiency production. And this embodiment makes the exhaust performance of die block promote through the die block exhaust structure that sets up first exhaust hole 26, first exhaust groove 27, second exhaust hole 28 and second exhaust groove 29 formation in the die block, reduces the requirement to bottle blowing atmospheric pressure, and during the bottle blowing, the die block of laminating more at the bottom of the bottle makes the bottle end structure that forms after the bottle blowing fuller, also can guarantee finished product quality when the low pressure bottle blowing. Is beneficial to improving the product quality of enterprises, saving energy, reducing emission and producing with high efficiency.

In a preferred embodiment, the widths of the first exhaust groove 27 and the second exhaust groove 29 are both in the range of 1.0-2.0mm, the depths of the first exhaust groove 27 and the second exhaust groove 29 are both in the range of 0.6-1.0 mm, the first exhaust hole 26 and the second exhaust hole 28 are both provided with a plurality of holes, and the first exhaust hole 26 and the second exhaust hole 28 are respectively and uniformly distributed along the first exhaust groove 27 and the second exhaust groove 29.

As shown in fig. 4 to 6, based on the bottom mold disclosed in the above embodiments, the embodiment of the present invention further discloses a bottle blowing mold, which includes the bottom mold and the mold cavity of the above embodiments, the mold cavity has an in-mold-cavity molding surface 30, the in-mold-cavity molding surface 30 has an in-mold-cavity molding portion 31, a connecting position between the in-mold-cavity molding portion 31 and the in-mold-cavity molding surface 30 is provided with a plurality of third vent holes 32, a connecting position between the in-mold-cavity molding portion 31 and the in-mold-cavity molding surface 30 is provided with a third vent groove 33, and the third vent holes 32 are disposed in the third vent groove 33. The third exhaust holes 32 are uniformly distributed along the third exhaust grooves 33, the width of the third exhaust grooves 33 is preferably 0.5-1.5mm, and the depth of the third exhaust grooves 33 is preferably 0.5-1 mm. During bottle blowing, for bottle body forming, the traditional mold cavity also needs higher bottle blowing pressure to ensure that the bottle body is fully formed, and the consumption of high-pressure air is higher; once the bottle blowing pressure is reduced, the bottle body of the bottle is not fully formed, and the quality of a finished product is influenced. Consequently this embodiment carries out corresponding improvement to the bottle blowing mould, combines the exhaust structure of die block, can make the holistic exhaust performance of bottle blowing mould promote, reduces the requirement to bottle blowing atmospheric pressure, during the bottle blowing, and the die block of laminating more at the bottom of the bottle, the die cavity of also laminating more of body makes the bottle structure that forms behind the bottle blowing fuller, also can guarantee finished product quality when low pressure bottle blowing.

The above description is only a preferred embodiment of the present invention, and the technical solutions that achieve the objects of the present invention by substantially the same means are within the protection scope of the present invention.

Claims

1. A bottle bottom structure is characterized in that: the claw piece that surrounds the distribution including central boss and a plurality of being located central boss periphery, be equipped with the slot between the adjacent claw piece, the top of slot is the inclined plane.

2. The bottle bottom structure according to claim 1, wherein: the claw piece comprises an outer contour surface, an inner contour surface, a first side surface and a second side surface, wherein the first side surface and the second side surface are connected with the outer contour surface and the inner contour surface through bottom contact surfaces.

3. A bottle bottom structure according to claim 2, wherein: the inclined plane is connected with the first side face through a first transition arc face, and the inclined plane is connected with the second side face through a second transition arc face.

4. The bottle bottom structure according to claim 1, wherein: the inclined plane is rectangular or trapezoidal.

5. The bottle bottom structure according to claim 1, wherein: the center boss comprises a conical surface and a positioning concave platform, the positioning concave platform is located at the top end of the center boss and comprises a cylindrical surface, and the cylindrical surface is in transition connection with the top of the conical surface through a first circular arc.

6. The bottle bottom structure according to claim 5, wherein: the claw petals are in transition connection with the conical surface and the grooves are in transition connection with the conical surface through transition curved surfaces.

7. The bottle bottom structure according to claim 6, wherein: the transition curved surface comprises a first circular ring surface and a second circular ring surface which are alternately arranged, and the first circular ring surface and the second circular ring surface belong to the same circular ring or are smoothly connected.

8. A bottle, characterized by: comprising a bottom construction according to any of the preceding claims 1-7.

9. A bottom die is characterized in that: the bottle bottom structure bottle blowing molding used for any one of the above claims 1 to 7, comprising a bottom die inner molding surface, wherein the bottom die inner molding surface is provided with a bottom die central socket point and a bottom die inner molding part, and a first exhaust hole is arranged at the connecting position of the bottom die inner molding part and the bottom die inner molding surface; and a second exhaust hole is formed between the forming parts in the bottom die.

10. A bottle blowing mold is characterized in that: the bottom die and the die cavity of claim 9, wherein the die cavity has an inner molding surface, the inner molding surface has an inner molding portion, and a plurality of third vent holes are formed at the connecting position of the inner molding portion and the inner molding surface.