CN217729627U - Bottle blowing mold suitable for low-pressure bottle blowing - Google Patents
Bottle blowing mold suitable for low-pressure bottle blowing Download PDFInfo
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- CN217729627U CN217729627U CN202221609395.1U CN202221609395U CN217729627U CN 217729627 U CN217729627 U CN 217729627U CN 202221609395 U CN202221609395 U CN 202221609395U CN 217729627 U CN217729627 U CN 217729627U
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Abstract
A bottle blowing mold suitable for low-pressure bottle blowing is provided with an inner molding surface, the inner molding surface is provided with an inner molding part, an exhaust groove is arranged on the connecting edge between the inner molding part and the inner molding surface and communicated with the outside of the bottle blowing mold, the exhaust groove is provided with a preset depth H and a gradually changed width L, an exhaust groove is arranged on the connecting edge between the inner molding part and the inner molding surface and communicated with the outside of the bottle blowing mold, and the exhaust groove is provided with a preset depth H and a gradually changed width L, so that air in the bottle blowing mold can be more easily exhausted out of the bottle blowing mold through the exhaust groove, and the air flow exhausted out of the bottle blowing mold through the exhaust groove is increased, and the exhaust effect of the bottle blowing mold is improved.
Description
Technical Field
The utility model belongs to the technical field of the bottle blowing mould, concretely relates to bottle blowing mould suitable for low pressure bottle blowing.
Background
When the existing bottle blowing mold is adopted for bottle blowing, higher bottle blowing pressure is needed to ensure that the container is fully molded, and the consumption of high-pressure air is higher; once the bottle blowing pressure is reduced, the situation of incomplete forming can occur, and the quality of finished products is influenced; in order to solve the problems, a production enterprise improves the bottle blowing mold, an exhaust groove communicated with the outside is arranged at the position, difficult to form, of the bottle blowing mold, the exhaust effect of the bottle blowing mold is improved by the aid of the exhaust groove, the forming container is more attached to the bottle blowing mold during bottle blowing, the forming container is more full, consumption of high-pressure air can be reduced, production cost is reduced, and energy conservation and emission reduction are achieved.
However, the exhaust grooves in the existing bottle blowing mold have the predetermined depth H and width L, the exhaust effect is limited to a certain extent, and with the increasing competition of the consumer market, the production enterprises put forward higher requirements on the product quality, the production efficiency and the production cost, so that the exhaust grooves need to be further improved to achieve a more ideal exhaust effect.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a bottle blowing mold suitable for low-pressure bottle blowing.
The utility model provides a technical scheme that its technical problem adopted is:
a bottle blowing mold suitable for low-pressure bottle blowing is provided with an inner molding surface, the inner molding surface is provided with an inner molding part, an exhaust groove is arranged on a connecting edge between the inner molding part and the inner molding surface and communicated with the outside of the bottle blowing mold, and the exhaust groove is provided with a preset depth H and a gradually changed width L.
As a further improvement of the utility model, the inner forming part is sunken or raised towards one side far away from the central axis of the bottle blowing mold from the inner forming surface.
As a further improvement of the utility model, a plurality of exhaust holes are arranged at the bottom of the exhaust groove, and a plurality of exhaust holes are arranged along the length direction of the exhaust groove at intervals, and the exhaust holes are communicated with the outside of the bottle blowing mold.
As a further improvement of the utility model, the preset depth H of the exhaust groove is between 0.5 and 1.0mm, and the maximum value of the gradual change width L is between 0.5 and 1.5 mm.
As a further improvement of the present invention, the bottle blowing mold comprises a bottom mold and two mold cavity half molds, wherein the bottom mold and the two mold cavity half molds define a product when in a closed position.
As a further improvement of the utility model, the bottom die is provided with a bottom die inner forming surface which is provided with a bottom die inner forming part; the mold cavity half mold is provided with a mold cavity half mold inner molding surface, and the mold cavity half mold inner molding surface is provided with a mold cavity half mold inner molding part.
As a further improvement, the bottom die is provided with an inner molding surface and a cavity half die, the inner molding surface of the bottle blowing die is formed by the inner molding surface, and the inner molding part of the bottom die is formed by the inner molding part of the cavity half die.
As a further improvement of the utility model, the exhaust groove is arranged on the connecting edge between the forming part in the bottom die and the forming surface in the bottom die; and/or the air exhaust groove is arranged on the connecting edge between the in-mold forming part of the mold cavity half mold and the inner forming surface of the mold cavity half mold.
As a further improvement of the utility model, the gradual change width L of the exhaust groove is gradually reduced from the opening to the bottom.
As a further improvement, the gradual change width L of the exhaust groove gradually increases from the opening to the bottom.
The utility model has the advantages that: the exhaust groove is arranged on the connecting edge between the inner forming part and the inner forming surface and is communicated with the outside of the bottle blowing mold, the exhaust groove has a preset depth H and a gradually changed width L, so that air in the bottle blowing mold can be discharged out of the bottle blowing mold through the exhaust groove more easily, the air flow discharged out of the bottle blowing mold through the exhaust groove is increased, and the exhaust effect of the bottle blowing mold is improved.
Drawings
FIG. 1 is a schematic structural diagram of a bottle blowing mold according to the present embodiment;
FIG. 2 is a schematic structural view of the bottom mold of the present embodiment;
FIG. 3 is a schematic view of a mold cavity half of the present embodiment;
FIG. 4 is a schematic structural view of the exhaust groove of this embodiment in the form of structure 1-1;
FIG. 5 is a schematic cross-sectional view of FIG. 4;
FIG. 6 is a schematic view of the structure of the exhaust groove of this embodiment in the form of structure 1-2;
FIG. 7 is a schematic cross-sectional structure of FIG. 6;
FIG. 8 is a schematic structural view of the exhaust groove of this embodiment in the form of structures 1 to 3;
FIG. 9 is a cross-sectional view of one embodiment of the device of FIG. 8;
FIG. 10 is a schematic cross-sectional view of the alternate embodiment of FIG. 8;
FIG. 11 is a schematic structural view of the exhaust groove of this embodiment in the form of structures 1 to 4;
FIG. 12 is a schematic cross-sectional view of FIG. 11;
FIG. 13 is a schematic view showing the structure of the vent groove of this embodiment in the form of structure 1-5;
FIG. 14 is a schematic cross-sectional view of one embodiment of the device of FIG. 13;
FIG. 15 is a schematic cross-sectional view of the alternate embodiment of FIG. 13;
FIG. 16 is a schematic structural view of the exhaust groove of this embodiment in the form of a structure 2-1;
FIG. 17 is a schematic cross-sectional view of FIG. 16;
FIG. 18 is a schematic structural view of the exhaust groove of this embodiment in the form of a structure 2-2;
FIG. 19 is a cross-sectional view of one embodiment of the device of FIG. 18;
FIG. 20 is a schematic cross-sectional view of the alternate embodiment of FIG. 18;
FIG. 21 is a schematic structural view of the exhaust groove of this embodiment in the form of a structure 2-1;
FIG. 22 is a schematic cross-sectional view of FIG. 21;
FIG. 23 is a schematic structural view of the exhaust groove of this embodiment in the form of a structure 2-2;
FIG. 24 is a schematic cross-sectional view of one embodiment of the device of FIG. 23;
fig. 25 is a schematic cross-sectional view of the alternate embodiment of fig. 23.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.
Example (b):
as shown in fig. 1 and fig. 25, this embodiment discloses a bottle blowing mold suitable for low pressure bottle blowing, bottle blowing mold has interior forming surface 1, interior forming surface 1 has interior forming part 2, interior forming part 2 is sunken or protruding to one side of keeping away from bottle blowing mold central axis from interior forming surface 1, the edge of being connected between interior forming part 2 and the interior forming surface 1 has arranged exhaust duct 3, exhaust duct 3 communicates with bottle blowing mold's outside, exhaust duct 3 has predetermined degree of depth H and gradual change width L, thereby promote bottle blowing mold's exhaust effect. When the bottle blowing mold of the embodiment performs bottle blowing work, the bottle blank is blown gradually along with the bottle blowing machine, so that the bottle blank is blown and molded, in the process, air in the bottle blowing mold is extruded by the molding container to enter the exhaust groove 3, and the outer wall of the bottle blowing mold is discharged through the exhaust groove 3, so that the outer wall of the molding container can be tightly attached to the bottle blowing mold, the molding container is more full, the consumption of high-pressure air can be reduced, the production cost is reduced, and energy conservation and emission reduction are realized. In addition, the exhaust groove 3 is arranged to have a structural form with a preset depth H and a gradually changed width L, so that air in the bottle blowing mold can more easily pass through the exhaust groove 3, the air flow discharged outside the bottle blowing mold through the exhaust groove 3 is increased, and the exhaust rate is improved.
Specifically, a plurality of exhaust holes 4 are arranged at the bottom of the exhaust groove 3, the exhaust holes 4 are arranged at intervals along the length direction of the exhaust groove 3, the exhaust holes 4 radially penetrate through the bottle blowing mold along the bottle blowing mold, and the exhaust groove 3 is communicated with the outside of the bottle blowing mold through the exhaust holes 4.
In a preferred embodiment, the predetermined depth H of the vent grooves 3 is between 0.5 and 1.0mm, and the maximum value of the gradual change width L is between 0.5 and 1.5 mm.
Specifically, the bottle blowing mold comprises a bottom mold 5 and two mold cavity half molds 6, and the bottom mold 5 and the two mold cavity half molds 6 fix the product when in the closed position; wherein, the bottom die 5 is provided with a bottom die inner forming surface 51, and the bottom die inner forming surface 51 is provided with a bottom die inner forming part 52; the cavity half 6 has a cavity half inner molding surface 61, and the cavity half inner molding surface 61 has a cavity half inner molding part 62; the inner forming surface 51 of the bottom die and the inner forming surface 61 of the die cavity half die form an inner forming surface 1 of the bottle blowing die, and the inner forming part 52 of the bottom die and the inner forming part 62 of the die cavity half die form an inner forming part 2 of the bottle blowing die. An exhaust groove 3 is arranged at the connecting edge between the bottom mold inner forming part 52 and the bottom mold inner forming surface 51; and/or the connecting edge between the molding part 62 in the mold cavity half mold and the molding surface 61 in the mold cavity half mold is provided with an exhaust groove 3, and the arrangement position of the exhaust groove 3 can be configured according to the exhaust requirement of the bottle blowing mold.
Specifically, the gradually changing width L of the exhaust groove 3 may be gradually smaller from the opening to the bottom, or may be gradually larger from the opening to the bottom.
1. When the gradual change width L of exhaust groove 3 is from the opening to the bottom taper and is little, it can play the water conservancy diversion effect, can be better with gas guide to exhaust hole 4, promote the exhaust effect through the speed that improves air flow in the exhaust groove 3. And the cross section of the exhaust groove 3 has the following structural forms:
1-1, the cross section of the exhaust groove 3 is arc-shaped;
1-2, the cross section of the exhaust groove 3 is isosceles trapezoid;
1-3, the cross section of the exhaust groove 3 is in the shape of an isosceles trapezoid, and the inclined waist of the isosceles trapezoid is deformed into an arc line or a curve, wherein the specific inclined waist can be formed by bending towards the inner side of the exhaust groove 3 or the outer side of the exhaust groove 3;
1-4, the cross section of the exhaust groove 3 is a right trapezoid;
1-5, the cross section of the exhaust groove 3 is in the shape of a right trapezoid, and the oblique waist of the right trapezoid is deformed into an arc or a curve, wherein the specific oblique waist can be formed by bending towards the inner side of the exhaust groove 3 or the outer side of the exhaust groove 3.
2. When the gradual change width L of the exhaust groove 3 becomes gradually larger from the opening to the bottom, the bottom of the exhaust groove 3 has the largest width, and the aperture of the exhaust hole 4 can be correspondingly increased, so that the exhaust effect is improved by improving the sectional area of the pipeline for air flowing in the exhaust groove 3. And the cross section of the exhaust groove 3 also has the following structural forms:
2-1, the cross section of the exhaust groove 3 is isosceles trapezoid;
2-2, the cross section of the exhaust groove 3 is deformed into an isosceles trapezoid, and the inclined waist of the isosceles trapezoid is deformed into an arc line or a curve; the specific oblique waist may be formed by bending towards the inner side of the exhaust groove 3, or may be formed by bending towards the outer side of the exhaust groove 3;
2-3, the cross section of the exhaust groove 3 is a right trapezoid;
2-4, the cross section of the exhaust groove 3 is deformed into a right trapezoid, and the oblique waist of the right trapezoid is deformed into an arc line or a curve; specifically, the oblique waist may be formed by bending toward the inside of the exhaust groove 3, or may be formed by bending toward the outside of the exhaust groove 3.
The above description is only the preferred embodiment of the present invention, and the technical solutions of the objects of the present invention are all within the protection scope of the present invention as long as the objects are achieved by the substantially same means.
Claims (10)
1. The utility model provides a bottle blowing mould suitable for low pressure bottle blowing which characterized in that: the bottle blowing mold is provided with an inner molding surface, the inner molding surface is provided with an inner molding part, an exhaust groove is arranged at the connecting edge between the inner molding part and the inner molding surface, the exhaust groove is communicated with the outside of the bottle blowing mold, and the exhaust groove is provided with a preset depth H and a gradually changed width L.
2. The bottle blowing mold suitable for low-pressure bottle blowing according to claim 1, characterized in that: the inner forming part is sunken or raised from the inner forming surface to one side far away from the central axis of the bottle blowing mold.
3. The bottle blowing mold suitable for low-pressure bottle blowing according to claim 1, characterized in that: and a plurality of exhaust holes are arranged at the bottom of the exhaust groove and are arranged at intervals along the length direction of the exhaust groove, and the exhaust holes are communicated with the outside of the bottle blowing mold.
4. The bottle blowing mold suitable for low-pressure bottle blowing according to claim 1, characterized in that: the preset depth H of the exhaust groove is 0.5-1.0mm, and the maximum value of the gradual change width L is 0.5-1.5 mm.
5. The bottle blowing mold suitable for low-pressure bottle blowing according to claim 1, characterized in that: the bottle blowing mold comprises a bottom mold and two mold cavity half molds, and the bottom mold and the two mold cavity half molds limit products when in closed positions.
6. The bottle blowing mold suitable for low-pressure bottle blowing according to claim 5, characterized in that: the bottom die is provided with a bottom die inner forming surface, and the bottom die inner forming surface is provided with a bottom die inner forming part; the mold cavity half mold is provided with a mold cavity half mold inner molding surface, and the mold cavity half mold inner molding surface is provided with a mold cavity half mold inner molding part.
7. The bottle blowing mold suitable for low-pressure bottle blowing according to claim 6, characterized in that: the inner forming surface of the bottle blowing mold is formed by the inner forming surface of the bottom mold and the inner forming surface of the mold cavity half mold, and the inner forming part of the bottom mold and the inner forming part of the mold cavity half mold form the inner forming part of the bottle blowing mold.
8. The bottle blowing mold suitable for low-pressure bottle blowing according to claim 7, characterized in that: the exhaust groove is arranged on the connecting edge between the forming part in the bottom die and the forming surface in the bottom die; and/or the air exhaust groove is arranged on the connecting edge between the in-mold forming part of the mold cavity half mold and the inner forming surface of the mold cavity half mold.
9. The bottle blowing mold suitable for low-pressure bottle blowing according to claim 1, characterized in that: the gradual change width L of the exhaust groove is gradually reduced from the opening to the bottom.
10. The bottle blowing mold suitable for low-pressure bottle blowing according to claim 1, characterized in that: the gradual change width L of the exhaust groove is gradually increased from the opening to the bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221609395.1U CN217729627U (en) | 2022-06-24 | 2022-06-24 | Bottle blowing mold suitable for low-pressure bottle blowing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221609395.1U CN217729627U (en) | 2022-06-24 | 2022-06-24 | Bottle blowing mold suitable for low-pressure bottle blowing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217729627U true CN217729627U (en) | 2022-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221609395.1U Active CN217729627U (en) | 2022-06-24 | 2022-06-24 | Bottle blowing mold suitable for low-pressure bottle blowing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217729627U (en) |
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2022
- 2022-06-24 CN CN202221609395.1U patent/CN217729627U/en active Active
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