CN211616271U

CN211616271U - Cooling structure of plastic bottle cap mold

Info

Publication number: CN211616271U
Application number: CN201922087621.9U
Authority: CN
Inventors: 梁健武
Original assignee: Guangzhou Menshen Packaging Co Ltd
Current assignee: Guangzhou Menshen Packaging Co Ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-10-02
Anticipated expiration: 2029-11-27

Abstract

The utility model discloses a plastics bottle lid mould cooling structure belongs to mold core cooling technical field. A cooling structure of a plastic bottle cap mold comprises a mold core body, a cooling pipeline and a cooling box; a bottle cap-shaped accommodating cavity is formed in the mold core body, a drainage port is formed in the top of the mold core body, and the drainage port is communicated with the accommodating cavity; the mold core body is fixed at the top of the cooling box; the cooling pipeline is embedded in the mold core body, is positioned outside the accommodating cavity and is wound around the accommodating cavity, the upper end of the cooling pipeline penetrates through the top of the mold core body, and the lower end of the cooling pipeline penetrates through the mold core body and is communicated with the cooling box; the outer wall of the mold core body is provided with a plurality of heat dissipation grooves. The utility model discloses it is good to have the radiating effect, and the shaping is efficient.

Description

Cooling structure of plastic bottle cap mold

Technical Field

The utility model relates to a mold core cooling technical field, more specifically relates to a plastics bottle lid mould cooling structure.

Background

The core, as the name implies, refers to the precision part used for the critical operation of the central part of the mold. The common structure of the mold core is extremely complex, the processing difficulty is very large, the manufacturing cost is very high, and the labor expenditure for manufacturing is greatly higher than that of the material. The choice of core material is also directly related to the cost of the mold and the useful life of the mold. The mold core includes: wire drawing mold core, ceramic mold core, vacuum mold core, exhaust mold core, automobile part mold core, etc. The existing design has poor cooling effect, particularly insufficient cooling effect on the thin wall, and poor integral cooling effect, so that the formed product has overhigh touch temperature and unstable size.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to solve the technical problem of providing a plastic bottle cap mold cooling structure, its radiating effect is good, and the shaping is efficient.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a plastic bottle cap mold cooling structure, which comprises a mold core body, a cooling pipeline and a cooling box; a bottle cap-shaped cavity is formed in the mold core body, a drainage port is formed in the top of the mold core body, and the drainage port is communicated with the cavity;

the mold core body is fixed at the top of the cooling box;

the cooling pipeline is embedded in the mold core body, is positioned outside the mold cavity and is wound around the mold cavity, the upper end of the cooling pipeline penetrates through the top of the mold core body, and the lower end of the cooling pipeline penetrates through the mold core body and then is communicated with the cooling box; the outer wall of the mold core body is provided with a plurality of heat dissipation grooves.

Optionally, the heat dissipation groove is in a circular arc shape.

Optionally, the outer wall of the mold core body is provided with a plurality of heat dissipation holes.

Optionally, a connection port for sealing connection is fixed at the top of the mold core body, and the connection port is communicated with the drainage port.

Optionally, the top of the mold core body is provided with a plurality of arc grooves.

Optionally, the cooling tank is fixed with a temperature sensor.

The utility model has the advantages that:

the utility model discloses a mold core body is provided with the die cavity that is used for making the bottle lid, and cooling tube can let in coolant liquid or moisture to the die cavity cooling, improves shaping efficiency greatly, and the heat dissipation recess that mold core body outer wall set up in addition improves area of contact to improve the radiating effect.

Drawings

Fig. 1 is a schematic structural view of a cooling structure of a plastic bottle cap mold according to an embodiment of the present invention;

fig. 2 is a schematic top view of a cooling structure of a plastic bottle cap mold according to an embodiment of the present invention.

In the figure:

1. a mold core body; 11. a drainage opening; 12. an arc groove; 2. a cooling duct; 3. a cooling tank; 4. a cavity; 5. a heat dissipation groove; 6. heat dissipation holes; 7. a connection port; 8. a temperature sensor.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1 and 2, a cooling structure of a plastic bottle cap mold comprises a mold core body 1, a cooling pipeline 2 and a cooling box 3; a bottle cap-shaped cavity 4 is formed in the mold core body 1, a drainage port 11 is formed in the top of the mold core body 1, and the drainage port 11 is communicated with the cavity 4; the mold core body 1 is fixed on the top of the cooling box 3; the cooling pipeline 2 is embedded in the mold core body 1, the cooling pipeline 2 is positioned outside the cavity 4 and is wound around the cavity 4, the upper end of the cooling pipeline 2 penetrates through the top of the mold core body 1, and the lower end of the cooling pipeline 2 penetrates through the mold core body 1 and then is communicated with the cooling box 3; the outer wall of the mold core body 1 is provided with a plurality of heat dissipation grooves 5.

The raw materials of moulding plastics passes through connection port 7, the cooling shaping in 4 die cavities of drainage mouth 11 entering, for improving cooling effect, the utility model discloses set up cooling tube 2 and be heat conduction metal, can select the metal that heat conductivities such as copper are good to make, let in coolant liquid or cooling water etc. through cooling tube 2's upper end, make cooling tube 2 winding die cavity 4 flow down, thereby cool off the material in 4 die cavities comprehensively, can be used to 3D and print, fully guaranteed that every mold core thin wall part effectively cools off, guarantee that lid shaping cycle reduces about 15%. The cooling effect of each cavity 4 is fully guaranteed to be the same, the cover is stable in size, and the quality life of the mold core is the same as that of the traditional design. The cooling liquid or cooling water after heat transfer with the material in the cavity 4 through the cooling pipeline 2 is finally introduced into the cooling tank 3 for recycling. Set up a plurality of heat dissipation grooves 5 and improve the area of contact with the outside air to improve the radiating effect, cooler bin 3 and 1 accessible bolt fastening of mold core body, mold core body 1 is integrated into one piece. The cooling box 3 is fastened at the bottom of the mold core body 1 through bolts, and has fixing and heat insulation effects. The cooling pipeline 2 is wound on the die core body 1 in a roundabout mode and contacts with the die core body 1, so that heat transfer is achieved, the cooling pipeline contacts with the die core body 1 as much as possible, and the cooling effect is improved. The circuitous arrangement can prolong the time of conveying the cooling liquid and the like around the die core body 1, thereby improving the contact time of the cooling liquid and reducing the energy loss. The above-mentioned fixed connection may be a welded connection, unless otherwise specified.

Optionally, the heat dissipation groove 5 is in the shape of a circular arc. The arc shape is arranged to improve the heat dissipation efficiency.

Optionally, the outer wall of the mold core body 1 is provided with a plurality of heat dissipation holes 6. Set up a plurality of louvres 6 equidistance setting, improve area of contact, improve the heat dissipation.

Optionally, a connecting port 7 for sealing connection is fixed at the top of the mold core body 1, and the connecting port 7 is communicated with the drainage port 11. The connection port 7 improves connection sealing performance and facilitates connection.

Optionally, the top of the mold core body 1 is provided with a plurality of arc grooves 12. The arc grooves 12 are arranged to increase the contact area and improve the heat dissipation.

Optionally, the cooling tank 3 is fixed with a temperature sensor 8. Set up the temperature of temperature sensor 8 detectable cooler bin 3, its sense terminal runs through and stretches into in cooler bin 3, and temperature sensor 8 can select the temperature sensor 8 of DS18B20 model, and this temperature sensor has small, and the interference killing feature is strong, the characteristics that the precision is high.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. The utility model provides a plastics bottle lid mould cooling structure which characterized in that: comprises a mold core body (1), a cooling pipeline (2) and a cooling box (3); a bottle cap-shaped cavity (4) is formed in the mold core body (1), a drainage port (11) is formed in the top of the mold core body (1), and the drainage port (11) is communicated with the cavity (4); the mold core body (1) is fixed at the top of the cooling box (3); the cooling pipeline (2) is embedded in the mold core body (1), the cooling pipeline (2) is located on the outer side of the mold cavity (4) and is wound around the mold cavity (4), the upper end of the cooling pipeline (2) penetrates through the top of the mold core body (1), and the lower end of the cooling pipeline penetrates through the mold core body (1) and then is communicated with the cooling box (3); the outer wall of the mold core body (1) is provided with a plurality of heat dissipation grooves (5).

2. The cooling structure for the mold of plastic bottle cap as claimed in claim 1, wherein: the heat dissipation groove (5) is in a circular arc shape.

3. The cooling structure for the mold of plastic bottle cap as claimed in claim 1, wherein: the outer wall of the mold core body (1) is provided with a plurality of heat dissipation holes (6).

4. The cooling structure for the mold of plastic bottle cap as claimed in claim 1, wherein: the top of the mold core body (1) is fixed with a connecting port (7) for sealing connection, and the connecting port (7) is communicated with the drainage port (11).

5. The cooling structure for the mold of plastic bottle cap as claimed in claim 1, wherein: the top of the mold core body (1) is provided with a plurality of arc grooves (12).

6. The cooling structure for the mold of plastic bottle cap as claimed in claim 1, wherein: and a temperature sensor (8) is fixed on the cooling box (3).