CN218803937U - Mold cavity structure with bottom exhaust structure and bottle blowing mold - Google Patents

Abstract

The utility model discloses a die cavity structure with a bottom exhaust structure and a bottle blowing die, which comprises two die cavity half dies, wherein the die cavity half dies are provided with half die cavities and half bottom die mounting positions; the semi-mold cavity having an inner wall for defining a container body and a bottom wall for defining a container floor; a foot forming position for limiting the container foot is arranged between the inner wall and the bottom wall; and an exhaust groove is formed in the bottom foot forming position, and an exhaust hole is formed in the exhaust groove. The utility model discloses be equipped with air discharge duct and exhaust hole in the bottom of die cavity, after making up into die cavity and bottle blowing mould, bottom formation exhaust area and exhaust passage in the die cavity can exhaust footing shaping position at the in-process of blowing container bottle, have optimized the exhaust effect, and the footing shaping of container when doing benefit to low pressure bottle blowing makes the footing shaping fuller.

Description

Mold cavity structure with bottom exhaust structure and bottle blowing mold

Technical Field

The utility model relates to a bottle blowing mould technical field, concretely relates to take die cavity structure and bottle blowing mould of bottom exhaust structure.

Background

In the prior art, a container is formed by blowing a container blank in a bottle blowing mold, the bottle blowing mold generally comprises a left half mold, a right half mold matched with the left half mold, and a bottom mold matched with the bottom of the left half mold and the bottom of the right half mold, a cavity is formed among the left half mold, the right half mold and the bottom mold, and the container blank expands in the cavity until the container blank is attached to the inner wall of the cavity, so that the container is formed. The specific structure can refer to the patent application No. 202122664676.9, the patent name is a Chinese utility model patent document of a bottom die cooling water channel structure, a bottom die and a bottle blowing die.

Referring to fig. 1, the conventional partial container includes a container main body 01, a container bottom 02, and a container bottom 03 disposed between the container main body 01 and the container bottom 02, wherein a bottom recess is formed in the middle of the container bottom 02. If adopt current die cavity structure to carry out the bottle blowing to this container base, because the footing shaping position of injecing the footing in the die cavity structure does not set up corresponding exhaust structure, consequently need use higher bottle blowing pressure, just can guarantee that the footing shaping is full, and is great to the consumption of high-pressure gas, in case bottle blowing pressure drops, can cause the footing shaping of container not full, influences finished product quality, is unfavorable for the enterprise to improve product quality, energy saving and emission reduction and high-efficient production.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the die cavity structure with the bottom exhaust structure and the bottle blowing die are provided, the gas at the bottom in the die cavity can be rapidly exhausted, and the bottom of the container is easier to form.

The utility model provides a technical scheme that its technical problem adopted is:

a mold cavity structure with a bottom exhaust structure comprises two mold cavity half molds, wherein each mold cavity half mold is provided with a half mold cavity and a half bottom mold mounting position; the semi-mold cavity having an inner wall for defining a container body and a bottom wall for defining a container floor; a foot forming position for limiting the container foot is arranged between the inner wall and the bottom wall; and an exhaust groove is formed in the bottom foot forming position, and an exhaust hole is formed in the exhaust groove.

The utility model discloses in, the air discharge duct is recessed in footing shaping bit surface, the air discharge duct is including the exhaust breach that is located footing shaping bit surface, the exhaust hole that is located the air discharge duct inside is connected the face, the exhaust hole is located exhaust hole connection face.

The utility model discloses in, the exhaust hole is connected the face and is on a parallel with the diapire setting, and the exhaust hole runs through to half module installation position.

The utility model discloses in, the setting of exhaust hole connection face perpendicular to diapire, the exhaust hole runs through to the outer wall in half model chamber.

The utility model discloses in, the exhaust hole is connected the face and is leaned on inner wall or diapire setting, and the exhaust hole runs through the die cavity half module.

The utility model discloses in, the air discharge duct is including being recessed in footing shaping bit surface's first air discharge duct and second air discharge duct, first air discharge duct is including the first exhaust breach that is located footing shaping bit surface, the first exhaust hole that is located first exhaust inslot portion is connected the face, and the second air discharge duct is including the second exhaust breach that is located footing shaping bit surface, the second exhaust hole that is located second exhaust inslot portion is connected the face.

The utility model discloses in, the exhaust hole is including setting up the first exhaust hole in first exhaust hole connecting surface and setting up the second exhaust hole in second exhaust hole connecting surface, and first exhaust hole runs through to half module installation position, and the second exhaust hole runs through to the outer wall in half module chamber.

The utility model discloses in, first exhaust hole and/or first exhaust hole slope in inner wall or diapire setting, first exhaust hole and/or first exhaust hole run through the die cavity half module.

A bottle blowing mold comprises the mold cavity structure and a bottom mold;

in the cavity structure, two cavity halves are matched with each other;

the two half-model cavities form a cavity, and the two half-model mounting positions form a bottom die mounting position;

the inner wall of the mould cavity defines a container body;

the bottom wall of the cavity defines a container floor;

the bottom foot forming position of the cavity defines a container bottom foot;

the bottom die comprises an inner die surface inserted into the cavity and a die bottom matched with the bottom die mounting position, and the inner die surface protrudes out of the bottom wall of the cavity to limit the bottom recess of the container.

The utility model discloses in, be equipped with between the mould end and the die block installation position and be used for carminative installation clearance, installation clearance and exhaust hole intercommunication.

The utility model has the advantages that: the utility model discloses be equipped with air discharge duct and exhaust hole in the bottom of die cavity, after making up into die cavity and bottle blowing mould, bottom formation exhaust area and exhaust passage in the die cavity can exhaust footing shaping position at the in-process of blowing container bottle, have optimized the exhaust effect, and the footing shaping of container when doing benefit to low pressure bottle blowing makes the footing shaping fuller.

Drawings

The present invention is further described below with reference to the accompanying drawings and embodiments:

FIG. 1 is a schematic view of a container;

FIG. 2 is a schematic structural diagram according to a first embodiment;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a schematic diagram of the first embodiment;

FIG. 5 is a schematic structural diagram of the second embodiment;

FIG. 6 is a schematic structural diagram according to a third embodiment;

fig. 7 is a schematic structural diagram of a fifth embodiment.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "left", "right", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

as shown in fig. 2 to 4, the present embodiment discloses a mold cavity structure with a bottom venting structure, which includes two mold cavity halves 11, wherein the mold cavity halves 11 have a half mold cavity 12 and a half bottom mold mounting position 13; the half-mold cavity 12 has an inner wall 121 for defining a container body 01 and a bottom wall 122 for defining a container bottom surface 02; said inner wall 121 and said bottom wall 122 have between them a foot-forming station 123 for defining a container foot 03, which is substantially identical to the patent solution previously filed by the applicant and will not be described in detail here. In this embodiment, the foot forming position 123 is provided with an exhaust groove 14, and an exhaust hole 15 communicating with the outside is provided in the exhaust groove 14. The exhaust grooves 14 are recessed in the surface of the bottom foot forming position 123, the recessed depth of the exhaust grooves 14 is 0.5-1mm, the width of the exhaust grooves 14 is 0.5-1.5mm, and the excessive deep depression and the excessive wide width are avoided as much as possible, so that the influence on the forming of the container body is reduced.

In this embodiment, the exhaust groove 14 includes an exhaust notch 143 on the surface of the foot forming position 123, and an exhaust hole connecting surface 144 inside the exhaust groove 14, the exhaust hole 15 is located in the exhaust hole connecting surface 144, the cross section of the exhaust groove 14 is rectangular, and the diameter of the exhaust hole 15 is the same as the width of the exhaust groove 14. Of course, the shape of the cross section is not limited to rectangular, and may be circular or irregular. The exhaust grooves 14 are arranged in a surrounding manner, and the exhaust grooves 14 and the footing forming positions 123 have the same center. The exhaust holes 15 are arranged in the exhaust grooves 14 at regular intervals, the exhaust hole connecting surface 144 is arranged in parallel with the bottom wall 122, the exhaust holes 15 are perpendicular to the exhaust hole connecting surface 144 and penetrate through the half-mold mounting position 13, and the exhaust holes 15 are parallel to the central axis of the mold cavity structure. Thereby forming a venting structure from within the mold half cavity 12 to outside the mold half cavity 12. In the bottle blowing process, the gas at the bottom in the mold cavity firstly enters the exhaust groove 14 through the exhaust notch 143 to be gathered and then is exhausted outside through the exhaust hole 15, so that the exhaust effect is optimized, the external pressure during the molding of the bottom of the bottle body is reduced, the bottom foot molding of the container during low-pressure bottle blowing is facilitated, and the bottom foot molding is fuller.

Example two:

referring to fig. 5, the structure and principle of the present embodiment are substantially the same as those of the first embodiment, except that: the vent connection surface 144 is arranged perpendicular to the bottom wall 122, the vent 15 extends through to the outer wall of the mold half cavity 12, and the vent 15 is perpendicular to the central axis of the mold cavity structure. The embodiment has the advantages that the installation gap does not exist, the distance of the whole exhaust channel is short, and the exhaust capacity is stronger.

Example three:

referring to fig. 6, this embodiment integrates the advantages of the first and second embodiments, and although the whole venting structure is more complicated, the venting capability is stronger, and the device is suitable for container bottles with larger diameters. The exhaust grooves 14 of the present embodiment include first exhaust grooves 141 and second exhaust grooves 142 recessed in the surface of the foot forming station 123, and the first exhaust grooves 141 and the second exhaust grooves 142 are spaced apart from each other.

The first exhaust groove 141 includes a first exhaust notch 145 located on the surface of the foot forming position 123, and a first exhaust hole connection surface 146 located inside the first exhaust groove 141, and the second exhaust groove 142 includes a second exhaust notch 147 located on the surface of the foot forming position 123, and a second exhaust hole connection surface 148 located inside the second exhaust groove 142. The exhaust hole 15 includes a first exhaust hole 151 disposed in the first exhaust hole connection surface 146 and a second exhaust hole 152 disposed in the second exhaust hole connection surface 148. The first and second exhaust holes 151 and 152 are respectively communicated with the outside.

In a preferred embodiment, the first vent hole 151 penetrates to the half mold mounting position 13, and the second vent hole 152 penetrates to the outer wall of the half mold cavity 12. Here, a structure in which the first exhaust hole 151 penetrates through the half mold mounting position 13 and the second exhaust hole 152 penetrates through the half mold mounting position 13 may be adopted instead; the structure that the first exhaust hole 151 penetrates through the outer wall of the half model cavity 12 and the second exhaust hole 152 penetrates through the outer wall of the half model cavity 12 can be adopted for replacement, and good exhaust effect can be achieved.

Example four:

the structure and principle of this embodiment are basically the same as the three embodiments, and the difference is that: the exhaust hole 15, the first exhaust hole 151 and/or the first exhaust hole 152 are arranged obliquely to the inner wall 121 or the bottom wall 122, the exhaust hole 15, the first exhaust hole 151 and/or the first exhaust hole 152 penetrate through the mold cavity half mold 11 and are communicated with the outside, and the exhaust hole 15, the first exhaust hole 151 and/or the first exhaust hole 152 are oblique to the central axis and the radial line of the mold cavity structure.

Example five:

referring to fig. 7, the present embodiment discloses a bottle blowing mold, which includes the mold cavity structure and the bottom mold 20 described in any one of the first to fourth embodiments; in the cavity configuration, the two cavity halves 11 cooperate with each other; the two half-mold cavities 12 form a mold cavity, and the two half-mold mounting positions 13 form a bottom mold mounting position; the inner walls of the mould cavity define a container body 01; the bottom wall of the cavity defines a container floor 02; the cavity foot forming position defines a container foot 03; the bottom die 20 comprises an inner die surface 22 inserted into the cavity and a die bottom 21 matched with the bottom die mounting position, and the inner die surface 22 protrudes out of the bottom wall of the cavity to limit the bottom recess of the container. Be equipped with between the mould end 21 and the die block installation position and be used for carminative installation clearance 3, installation clearance 3 and exhaust hole 15 intercommunication, exhaust duct 14, exhaust hole 15 and installation clearance 3 constitute exhaust passage. The installation gap 3 is formed by interference fit between the bottom die 20 and the die cavity structure, or an exhaust groove is formed in the bottom surface of the die cavity structure or the upper surface of the bottom die 20, so that the same technical effect can be achieved.

The above is only the preferred embodiment of the present invention, as long as the technical solution of the purpose of the present invention is realized by the substantially same means, all belong to the protection scope of the present invention.

Claims (10)

1. A mold cavity structure with a bottom exhaust structure comprises two mold cavity half molds, wherein each mold cavity half mold is provided with a half mold cavity and a half bottom mold mounting position; the method is characterized in that:

the semi-mold cavity having an inner wall for defining a container body and a bottom wall for defining a container floor; a foot forming position for limiting the container foot is arranged between the inner wall and the bottom wall; and an exhaust groove is formed in the bottom foot forming position, and an exhaust hole is formed in the exhaust groove.

2. The mold cavity structure with bottom venting structure of claim 1, wherein: the exhaust groove is recessed in the footing forming position surface, the exhaust groove comprises an exhaust notch located on the footing forming position surface and an exhaust hole connecting surface located inside the exhaust groove, and the exhaust hole is located in the exhaust hole connecting surface.

3. The mold cavity structure with bottom venting structure of claim 2, wherein: the exhaust hole connecting surface is arranged in parallel to the bottom wall, and the exhaust hole penetrates through to the half-mold mounting position.

4. The mold cavity structure with the bottom vent structure as claimed in claim 2, wherein: the exhaust hole connecting surface is perpendicular to the bottom wall, and the exhaust hole penetrates through the outer wall of the semi-model cavity.

5. The mold cavity structure with the bottom vent structure as claimed in claim 2, wherein: the exhaust hole connecting surface is arranged by inclining to the inner wall or the bottom wall, and the exhaust hole penetrates through the mold cavity half mold.

6. The mold cavity structure with the bottom venting structure of claim 1, wherein: the exhaust groove is including recessing in footing shaping bit surface's first exhaust groove and second exhaust groove, first exhaust groove is including the first exhaust breach that is located footing shaping bit surface, the first exhaust hole that is located first exhaust inslot portion is connected the face, and the second exhaust groove is including the second exhaust breach that is located footing shaping bit surface, the second exhaust hole that is located second exhaust inslot portion is connected the face.

7. The mold cavity structure with bottom vent structure of claim 6, wherein: the exhaust hole is including setting up the first exhaust hole in first exhaust hole connecting surface and setting up the second exhaust hole in second exhaust hole connecting surface, and first exhaust hole runs through to half mould installation position, and the second exhaust hole runs through to the outer wall in half mould chamber.

8. The mold cavity structure with bottom vent structure of claim 6, wherein: the first exhaust hole and/or the first exhaust hole are/is arranged obliquely to the inner wall or the bottom wall, and the first exhaust hole and/or the first exhaust hole penetrate through the mold cavity half mold.

9. A bottle blowing mold is characterized in that: comprising the mold cavity structure and the bottom mold of any of the above claims;

in the mold cavity structure, two mold cavity half-molds are matched with each other;

the two half-model cavities form a cavity, and the two half-model mounting positions form a bottom die mounting position;

the inner wall of the mould cavity defines a container body;

the bottom wall of the cavity defines a container floor;

the bottom foot forming position of the cavity defines a container bottom foot;

the bottom die comprises an inner die surface inserted into the cavity and a die bottom matched with the bottom die mounting position, and the inner die surface protrudes out of the bottom wall of the cavity to limit the bottom recess of the container.

10. The bottle blowing mold of claim 9, wherein: and a mounting gap for exhausting is arranged between the die bottom and the bottom die mounting position, and the mounting gap is communicated with the exhaust hole.

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