CN219601820U - Bottle, die block and bottle blowing die - Google Patents
Bottle, die block and bottle blowing die Download PDFInfo
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- CN219601820U CN219601820U CN202320693566.1U CN202320693566U CN219601820U CN 219601820 U CN219601820 U CN 219601820U CN 202320693566 U CN202320693566 U CN 202320693566U CN 219601820 U CN219601820 U CN 219601820U
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- bottle
- outer ring
- inner ring
- claw
- ring part
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Abstract
A bottle, a bottom die and a bottle blowing die comprise a bottle main body and a bottle bottom connected with the bottle main body; the bottle bottom comprises an outer ring part, an inner ring part and a central table which are sequentially arranged from the outer side to the central direction, and the inner ring part is in a round table shape concave into the bottle from the bottle bottom to the bottle opening direction; the outer ring part comprises outer ring claw petals and outer ring grooves which are alternately arranged along the circumferential direction of the bottle bottom; the outer ring clawThe flap includes a bottom support portion that provides support to the bottom of the bottle; the radial width of the projection of the outer ring part on the supporting surface where the bottom supporting part is positioned is W 1 The radial width of the projection of the inner ring part on the supporting surface is W 2 Limit W 1 ＞2W 2 The method comprises the steps of carrying out a first treatment on the surface of the The outer ring part has larger radial deformation capability, so that the structural rationality of the outer ring part and the inner ring part in the bottle bottom is improved, the bottle bottom is mutually restrained, and the bottle bottom has better stability and structural strength.
Description
Technical Field
The utility model belongs to the technical field of bottles and bottle blowing dies thereof, and particularly relates to a bottle, a bottom die and a bottle blowing die.
Background
The bottle bottom of some existing hot-filling bottles adopts an inner ring and outer ring claw-shaped group structure, as shown in the Chinese patent document with the patent number of 201921184502.9, which discloses a bottle bottom structure comprising: the outer edge of the support ring is used for connecting the bottle bodies; a plurality of guide ribs are concavely arranged at intervals in the circumferential direction of the support ring, and the length direction of the guide ribs is along the radial direction of the support ring; the outer edge of the connecting ring is connected with the inner edge of the supporting ring; the lifting body is connected to the inner edge of the connecting ring and is used for sinking towards the inner side of the bottle body; the lifting body moves into the bottle body by means of the bending allowance of the guide rib. The bottle bottom structure can reduce the probability of pit, deformation and flattening after being extruded. But there is still a lack of rationality restrictions on the bottle bottom structure, and stability and structural strength of the bottle bottom structure cannot be ensured.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides a bottle, a bottom die and a bottle blowing die.
The technical scheme adopted for solving the technical problems is as follows:
a bottle, comprising a bottle main body and a bottle bottom connected with the bottle main body; the bottle bottom comprises an outer ring part, an inner ring part and a central table which are sequentially arranged from the outer side to the central direction, and the inner ring part is in a round table shape concave into the bottle from the bottle bottom to the bottle opening direction; the outer ring part comprises outer ring claw petals and outer ring grooves which are alternately arranged along the circumferential direction of the bottle bottom; the outer ring claw comprises a bottom supporting part for providing bottle bottom support; the radial width of the projection of the outer ring part on the supporting surface where the bottom supporting part is positioned is W 1 The radial width of the projection of the inner ring part on the supporting surface is W 2 Limit W 1 ＞2W 2 。
In the utility model, the inner ring part comprises inner ring claw petals and connecting ribs which are alternately arranged along the circumferential direction of the bottle bottom; the connecting ribs are used for connecting inner ring claw petals; the outer ring claw and the inner ring claw are protruded to the outer direction of the bottle.
In the utility model, the outer ring claw petals and the inner ring claw petals are in one-to-one correspondence in the radial direction; the outer ring claw and the inner ring claw are of mirror symmetry structures and have a first mirror symmetry plane in common, and the first mirror symmetry plane is a radial plane passing through the axis of the bottle.
In the utility model, the outer ring grooves and the connecting ribs are in one-to-one correspondence in the radial direction; the outer ring groove and the connecting ribs are of mirror symmetry structures and have a second common mirror symmetry plane, and the second mirror symmetry plane is a radial plane passing through the axis of the bottle.
In the utility model, two sides of the inner ring claw are two obliquely arranged side surfaces, and the angle between the two side surfaces of the inner ring claw is 10-30 degrees.
In the utility model, the outer ring claw comprises an outer surface positioned at the outer side part of the outer ring claw, and the outer surface is provided with a groove; the circumferential width of the outer profile is W 3 The circumferential width of the groove is W 4 Limit W 4 =0.4～0.8W 3 The method comprises the steps of carrying out a first treatment on the surface of the Tangential width of the outer surfaceDegree of W 5 The method comprises the steps of carrying out a first treatment on the surface of the The tangential width of the groove is W 6 Limit W 6 =0.5～0.8W 5 。
In the utility model, the concave depth of the groove is 1-5 mm.
In the utility model, the bottle main body comprises a bottle shoulder, a bottle body and at least one bottle opening for the entry and exit of content, wherein the bottle opening, the bottle shoulder and the bottle body are sequentially connected, and the bottle bottom is connected with the bottle body; the connecting part of the bottle shoulder and the bottle body and the connecting part of the bottle body and the bottle bottom are respectively provided with an inwards concave reinforcing rib.
Based on the bottle provided by the utility model, the utility model also provides a bottom die for forming the bottle bottom, which comprises an inner forming surface of the bottom die, wherein the inner forming surface of the bottom die is matched with the outer structure of the bottle bottom.
Based on the bottle and the bottom die, the utility model further provides a bottle blowing die for forming the bottle, which comprises a die cavity and the bottom die, wherein the die cavity is provided with an inner die cavity forming surface, the inner die cavity forming surface is matched with the outer structure of the bottle main body, and the die cavity and the bottom die are configured to limit the bottle.
The beneficial effects of the utility model are as follows: the utility model reasonably configures the radial width relation of the projection of the outer ring part and the inner ring part on the supporting surface, and the bottle bottom firstly acts with the outer ring part when being acted by external force, so the stress of the outer ring part is larger, and the W is set 1 ＞2W 2 The outer ring part has larger radial deformation capability, so that the structural rationality of the outer ring part and the inner ring part in the bottle bottom is improved, the bottle bottom is mutually restrained, and the bottle bottom has better stability and structural strength.
Drawings
FIG. 1 is a schematic view of the structure of the bottle of the present embodiment;
FIG. 2 is a perspective view of the bottom of the bottle of this embodiment;
FIG. 3 is a bottom view of the bottle bottom of the present embodiment;
FIG. 4 is a schematic cross-sectional view of the bottle bottom of the present embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Examples:
as shown in fig. 1 to 4, the present embodiment discloses a bottle comprising a bottle body 1 and a bottle bottom 2 connected to the bottle body 1; the bottle body 1 comprises a bottle shoulder 11, a bottle body 12 and at least one bottle mouth 13 for the content to enter and exit, wherein the bottle mouth 13, the bottle shoulder 11 and the bottle body 12 are sequentially connected, and the bottle bottom 2 is connected with the bottle body 12. In order to ensure that the bottle main body 1 has better pressure resistance, the joint of the bottle shoulder 11 and the bottle body 12 and the joint of the bottle body 12 and the bottle bottom 2 are provided with inwards concave reinforcing ribs 14. The reinforcing rib 14 is connected with the bottle shoulder 11, the reinforcing rib 14 is connected with the bottle body 12 and the reinforcing rib 14 is connected with the bottle bottom 2 through arc transition.
In this embodiment, the bottle bottom 2 includes an outer ring portion 21, an inner ring portion 22 and a central table 23 sequentially arranged from the outside to the center, and the inner ring portion 22 is concave in a truncated cone shape from the bottle bottom 2 to the bottle mouth 13; the outer ring part 21 comprises outer ring claw petals 211 and outer ring grooves 212 which are alternately arranged along the circumferential direction of the bottle bottom 2; the inner ring part 22 comprises inner ring claw flaps 221 and connecting ribs 222 which are alternately arranged along the circumferential direction of the bottle bottom 2; the connecting ribs 222 are used for connecting the inner ring claw flaps 221; the outer ring claw 211 and the inner ring claw 221 are protruded towards the outer direction of the bottle, and the outer ring claw 211 and the inner ring claw 221 are in one-to-one correspondence in the radial direction; the outer race claw 211 includes a bottom support portion 2111 that provides support for the bottle bottom 2. The outer ring claw lobes 211 and the inner ring claw lobes 221 are both of mirror symmetry and have a common first mirror symmetry plane, which is a radial plane passing through the axis of the bottle. The outer ring grooves 212 and the connecting ribs 222 are in one-to-one correspondence in the radial direction; the outer race groove 212 and the connecting rib 222 are both of mirror symmetry and have a common second mirror symmetry plane which is a radial plane passing through the axis of the bottle. When the axial load of bottle bottom 2 in the bottle inner direction reaches the deformation threshold of bottle bottom 2, outer ring claw 211 group and inner ring claw 221 group act cooperatively, outer ring claw 211 group produces the deformation of moving to the bottle, and then drive inner ring claw 221 group to move to the bottle inner direction, because outer ring claw 211 and inner ring claw 221 are in radial one-to-one correspondence, the effort that outer ring claw 211 group deformation produced is evenly transmitted to inner ring claw 221 group, make outer ring claw 211 group, inner ring claw 221 group keep the atress unanimously in radial, avoid because of radial atress inconsistent leads to in circumference effort distribution uneven, cause outer ring claw 211 group, inner ring claw 221 group and/or the junction deformation inconsistent of inner ring claw 221, and then lead to bottle bottom 2 structural strength and bearing capacity reduction scheduling problem, promote bottle bottom 2 intensity, do benefit to the further lightweight of bottle. The outer ring groove 212 can move inwards to disperse part of axial load, and as the outer ring groove 212 and the connecting ribs 222 are in one-to-one correspondence in the radial direction, the outer ring groove 212 and the connecting ribs 222 are kept consistent in the radial direction, so that the bottle bottom 2 is kept uniform in the circumferential direction, the acting force value is reduced, and the capacity of the bottle bottom 2 for bearing the axial load is further improved.
In this embodiment, in order to ensure the stability and structural strength of the bottle bottom 2, the distance between the central platform 23 and the supporting surface where the bottom supporting portion 2111 is located is H, and the diameter of the outer edge of the outer ring portion 21 is D, so as to define h=0.15 to 0.3×d.
In this embodiment, in order to ensure that the bottle bottom 2 has sufficient capability of absorbing the applied force and simultaneously ensure the structural stability and structural strength of the bottle bottom 2, the radial width of the projection of the outer ring portion 21 on the support surface of the bottom support portion 2111 is W 1 The radial width of the projection of the inner ring portion 22 on the supporting surface is W 2 Limit W 1 ＞2W 2 。
In this embodiment, in order to ensure the bending resistance and structural strength of the inner ring claw 221, two sides of the inner ring claw 221 are two sides which are obliquely arranged, and an angle between the two sides of the inner ring claw 221 is 10 ° to 30 °.
In this embodiment, in order to ensure that the force applied to the outer ring portion 21 can be stably transferred to the inner ring portion 22, a connecting body 24 is disposed between the outer ring portion 21 and the inner ring portion 22, and the inner edge of the outer ring portion 21 is connected to the outer edge of the inner ring portion 22 through the connecting body 24; the outer ring claw 211 group is connected with the inner ring claw 221 group through the connecting body 24, so that acting force can be better transferred, and the consistency of acting force in the radial direction is further improved. The connecting body 24 comprises a plurality of annular surfaces or connected annular surfaces, the annular surfaces are in a ladder shape, the connecting body 24 has bending allowance, and the deformability between the outer ring claw 211 group and the inner ring claw 221 group is improved. Preferably, the outer ring portion 21, the connecting body 24, the inner ring portion 22, and the center table 23 are transited by an arc. The inner edge of the outer ring portion 21 may be directly connected to the outer edge of the inner ring portion 22, that is, the inner edge of the inner ring portion 22 may be connected to the outer edge of the center table 23 without the connecting body 24 between the outer ring portion 21 and the inner ring portion 22.
In this embodiment, in order to further secure the stronger structural strength and impact resistance of the bottle bottom 2. The outer ring claw 211 includes an outer shape surface 2112 on the outer side of the outer ring claw 211, and a groove 2113 is provided on the outer shape surface 2112. The outer ring claw lobes 211 are in one-to-one correspondence with the grooves 2113, and the grooves 2113 and the outer ring claw lobes 211 have a common third mirror symmetry plane, which is a radial plane passing through the axis of the bottle. The outer circumferential surface of the outer ring claw 211 group can be enhanced against pressure, the conditions of pits, deformation and the like on the outer circumferential surface are avoided, and the overall roundness of the bottle bottom 2 is effectively maintained.
In the present embodiment, in order to ensure that the grooves 2113 have a strong capability of absorbing the applied force, the circumferential width of the outer surface 2112 is W 3 The circumferential width of the groove 2113 is W 4 Limit W 4 =0.4～0.8W 3 The method comprises the steps of carrying out a first treatment on the surface of the The tangential width of the outer profile 2112 is W 5 The method comprises the steps of carrying out a first treatment on the surface of the The groove 2113 has a tangential width W 6 Limit W 6 =0.5～0.8W 5 The method comprises the steps of carrying out a first treatment on the surface of the Preferably, the recess depth of the groove 2113 is 1 to 5mm.
In this embodiment, the outer edge of the outer ring portion 21 is connected to the body 12. While in some embodiments, the bottle body 12 or the bottle bottom 2 is provided with a side portion, and the bottle body 12 and the bottle bottom 2 are connected by the side portion, of course, the side portion is provided on the bottle body 12 or the bottle bottom 2, and depending on whether the molded portion of the side portion is located in the cavity for molding the bottle body 12 or the bottom mold for molding the bottle bottom 2 when the bottle is molded, the side portion may be set according to the specific situation of the injection mold.
In this embodiment, the outer ring claw 211 includes a first molding surface 2114 and two symmetrically disposed first side surfaces 2115, the bottom supporting portion 2111 is located on the first molding surface 2114, the first molding surface 2114 further includes an outer molding surface 2112 and an inner molding surface 2116, the outer edge of the outer molding surface 2112 is connected with the bottle body 12, the inner edge of the outer molding surface 2112 is connected with the outer edge of the bottom supporting portion 2111, the inner edge of the bottom supporting portion 2111 is connected with the outer edge of the inner molding surface 2116, and the inner edge of the inner molding surface 2116 extends to the connecting body 24; the grooves 2113 are formed on the outer surface 2112, and arc transition connection is adopted between the first side surface 2115 and the first surface 2114, between the outer ring claw 211 and the outer ring groove 212, and between the grooves 2113 and the outer surface 2112. And inside the groove 2113, there are an inner side surface and a concave surface, the inner side surface is located on the side wall of the groove 2113, the concave surface is located on the bottom of the groove 2113, and arc transition connection is adopted between the inner side surfaces of the groove 2113 and between the inner side surface of the groove 2113 and the concave surface of the groove 2113, so that the stress concentration position of the bottle bottom 2 is completely avoided, when the bottle bottom 2 is acted by external force, the stress can be dispersed to each part of the bottle bottom 2, and the deformation resistance of the bottle bottom 2 is improved.
In this embodiment, the top of the outer ring groove 212 is a bevel plane, compared with the curved surface structure of the groove top in the structure of the traditional bottle bottom 2, the distance from the bottle mouth 13 to the outer ring groove 212 is shortened, so that the requirement on bottle blowing pressure is reduced, and the design of the bevel plane structure is adopted, so that the outer ring groove 212 of the bottle bottom 2 forms a square rib structure, the bottle bottom 2 has better pressure resistance, the mechanical property of the bottle bottom 2 is improved, and a foundation is laid for the lightweight design of the bottle bottom 2.
In this embodiment, the two sides of the outer ring groove 212 are respectively the first side surfaces 2115 of the adjacent outer ring claw lobes 211, and the included angle α between the extension surfaces of the first side surfaces 2115 of the adjacent outer ring claw lobes 211 is between 60 ° and 85 °, compared with the structural design that α is in the range of 20 ° -40 ° in the conventional bottle bottom 2, the utility model expands the two sides of the outer ring groove 212, enlarges the claw-shaped opening angle, reduces the area of the bottom support portion 2111, i.e. reduces the area of the furthest blowing distance of the bottle bottom 2 and the largest difficulty, reduces the difficulty of bottle bottom 2 in bottle blowing molding, thereby reducing the requirement on bottle blowing pressure, and being capable of adapting to low-pressure bottle blowing.
In this embodiment, the inner ring claw 221 includes a second profile 2211 and two symmetrically disposed second side surfaces 2212, the second profile 2211 extending from the connecting body 24 to the center table 23; the second molding surface 2211 is connected with the second side surface 2212, the second molding surface 2211 is connected with the center table 23, and the connecting ribs 222 are connected with the second side surface 2212 in an arc transition mode.
In practice, at least 3 outer ring claw lobes 211 and at least 3 inner ring claw lobes 221 are respectively arranged, so that the bottle bottom 2 can support the bottle to be stably placed vertically; in the present embodiment, the outer ring claw lobes 211 and the inner ring claw lobes 221 are each provided with 8, and the 8 outer ring claw lobes 211 and the 8 inner ring claw lobes 221 are uniformly and alternately arranged around the bottle bottom 2 for one circle. The deformation of the bottle bottom 2 counteracts the load, so that the influence of the load on the bottle body 12 can be reduced, the probability of deformation of the bottle body 12 is effectively reduced, and the appearance of the bottle is ensured.
In the bottle of the embodiment, the outer ring claw 211 group, the connecting body 24 and the inner ring claw 221 group move downwards due to the action of the gravity of the liquid in the bottle during filling, so that the volume in the bottle is increased, and the pressure in the bottle is reduced; when negative pressure is generated in the bottle, the outer ring claw 211 group, the connecting body 24 and the inner ring claw 221 group move upwards, so that the volume in the bottle is reduced, and the pressure in the bottle is increased; so as to regulate the pressure in the bottle and ensure the stability of the pressure in the bottle. Each inner ring claw 221 has stronger bending resistance, and the inner ring claw 221 is connected through the connecting rib 222 to form a stable conical surface, so that the situation of pits and deformation can not occur in the moving process, and the pressure resistance of the bottle bottom 2 is effectively improved.
Based on the bottle disclosed in the above embodiment, the present embodiment further discloses a bottom mold for molding the bottle bottom 2, including an inner molding surface of the bottom mold, where the inner molding surface of the bottom mold is adapted to the external structure of the bottle bottom 2.
Based on the bottle and the bottom die disclosed in the above embodiments, the embodiment also discloses a bottle blowing die for the bottle molding, including a die cavity and the bottom die, the die cavity has a die cavity inner molding surface, the die cavity inner molding surface is adapted to the external structure of the bottle main body 1, and the die cavity and the bottom die are configured to limit the bottle molding.
The foregoing is only a preferred embodiment of the present utility model, and all technical solutions for achieving the object of the present utility model by substantially the same means are included in the scope of the present utility model.
Claims (10)
1. A bottle, comprising a bottle main body and a bottle bottom connected with the bottle main body; the bottle bottom comprises an outer ring part, an inner ring part and a central table which are sequentially arranged from the outer side to the central direction, and the inner ring part is in a round table shape concave into the bottle from the bottle bottom to the bottle opening direction; the outer ring part comprises outer ring claw petals and outer ring grooves which are alternately arranged along the circumferential direction of the bottle bottom; the outer ring claw comprises a bottom supporting part for providing bottle bottom support; the method is characterized in that: the radial width of the projection of the outer ring part on the supporting surface where the bottom supporting part is positioned is W 1 The radial width of the projection of the inner ring part on the supporting surface is W 2 Limit W 1 ＞2W 2 。
2. A bottle as claimed in claim 1, wherein: the inner ring part comprises inner ring claw petals and connecting ribs which are alternately arranged along the circumferential direction of the bottle bottom; the connecting ribs are used for connecting inner ring claw petals; the outer ring claw and the inner ring claw are protruded to the outer direction of the bottle.
3. A bottle as claimed in claim 2, wherein: the outer ring claw petals and the inner ring claw petals are in one-to-one correspondence in the radial direction; the outer ring claw and the inner ring claw are of mirror symmetry structures and have a first mirror symmetry plane in common, and the first mirror symmetry plane is a radial plane passing through the axis of the bottle.
4. A bottle as claimed in claim 2, wherein: the outer ring grooves and the connecting ribs are in one-to-one correspondence in the radial direction; the outer ring groove and the connecting ribs are of mirror symmetry structures and have a second common mirror symmetry plane, and the second mirror symmetry plane is a radial plane passing through the axis of the bottle.
5. A bottle as claimed in claim 2, wherein: the two sides of the inner ring claw are obliquely arranged, and the angle between the two sides of the inner ring claw is 10-30 degrees.
6. A bottle as claimed in claim 1, wherein: the outer ring claw comprises an outer profile surface positioned at the outer side part of the outer ring claw, and the outer profile surface is provided with a groove; the circumferential width of the outer profile is W 3 The circumferential width of the groove is W 4 Limit W 4 =（0.4～0.8）W 3 The method comprises the steps of carrying out a first treatment on the surface of the The tangential width of the outer profile is W 5 The method comprises the steps of carrying out a first treatment on the surface of the The tangential width of the groove is W 6 Limit W 6 =（0.5～0.8）W 5 。
7. A bottle as claimed in claim 6, wherein: the concave depth of the groove is 1-5 mm.
8. A bottle as claimed in claim 1, wherein: the bottle main body comprises a bottle shoulder, a bottle body and at least one bottle opening for the content to enter and exit, wherein the bottle opening, the bottle shoulder and the bottle body are sequentially connected, and the bottle bottom is connected with the bottle body; the connecting part of the bottle shoulder and the bottle body and the connecting part of the bottle body and the bottle bottom are respectively provided with an inwards concave reinforcing rib.
9. Bottom die, its characterized in that: for the moulding of a bottle bottom according to any of claims 1-8, comprising a bottom mould inner moulding surface adapted to the external structure of the bottle bottom.
10. Bottle blowing mould, its characterized in that: bottle forming according to any one of claims 1-8, comprising a mould cavity and a bottom mould according to claim 9, the mould cavity having an in-mould forming surface adapted to the external structure of the bottle body, the mould cavity and bottom mould being configured to define the bottle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320693566.1U CN219601820U (en) | 2023-03-30 | 2023-03-30 | Bottle, die block and bottle blowing die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320693566.1U CN219601820U (en) | 2023-03-30 | 2023-03-30 | Bottle, die block and bottle blowing die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219601820U true CN219601820U (en) | 2023-08-29 |
Family
ID=87749465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320693566.1U Active CN219601820U (en) | 2023-03-30 | 2023-03-30 | Bottle, die block and bottle blowing die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219601820U (en) |
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2023
- 2023-03-30 CN CN202320693566.1U patent/CN219601820U/en active Active
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