CN211441028U - An injection mold for cooling injection materials - Google Patents

Abstract

The utility model discloses an injection mold for cooling injection materials, comprising an injection mold, a mold cover and a miniature water pump. A mold cover is arranged above the injection mold, and a water storage cavity is arranged inside the injection mold. The inner side of the water cavity is provided with a heat dissipation block, and the heat dissipation block and the injection mold are connected to each other, and the heat dissipation block is provided with a heat dissipation fin, the second cover plate is installed above the first cover plate, and the lower part of the first cover plate is installed There is a cooling pipe body, and the cooling pipe body is located on the inner side of the water storage tank, the left side of the water storage tank is provided with a micro water pump, and the micro water pump and the water injection pipe are connected to each other. The injection mold, which is convenient for cooling the injection material, is provided with a water storage cavity inside the injection mold to facilitate the filling of the cooling liquid. The cooling liquid that is conducive to the circulation takes away the heat on the heat sink and the heat sink, and improves the cooling efficiency.

Description

An injection mold for cooling injection materials

technical field

The utility model relates to the technical field of injection moulds, in particular to an injection mould which is convenient for cooling injection materials.

Background technique

Injection mold is a mold used for the production of plastic products. Usually, liquid plastic is poured into the mold for cooling and forming, and finally the product of the desired shape is obtained. Therefore, the injection mold is an indispensable tool in the injection molding production process. tool.

Existing injection molds usually use natural air cooling to cool the injection mold and internal materials after injection molding. This cooling method is ineffective and affects the production efficiency of the product, thereby affecting the cooling and forming speed of the product. In view of the above problems, innovative design is carried out on the basis of the original injection mold.

Utility model content

The purpose of this utility model is to provide an injection mold that is convenient for cooling the injection material, so as to solve the problem that the existing injection mold proposed in the above-mentioned background technology usually adopts natural air cooling to cool the injection mold and the internal material after the injection is completed. , This cooling method is ineffective, affecting the production efficiency of the product, thereby affecting the cooling and forming speed of the product.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an injection mold for cooling injection materials, comprising an injection mold, a mold cover and a miniature water pump, a mold cover is provided above the injection mold, and the interior of the injection mold is provided with a mold cover. There is a water storage cavity, the inner side of the water storage cavity is provided with a heat dissipation block, and the heat dissipation block and the injection mold are connected to each other, and the heat dissipation block is provided with a heat dissipation fin, and the outer side of the injection mold is respectively provided with a water injection pipe and a water extraction pipe, A water storage tank is installed on the suction pipe, a first cover plate is installed above the water storage tank, and a cavity is opened on the first cover plate, a second cover plate is installed above the first cover plate, and the first cover plate is installed. A cooling pipe body is installed under a cover plate, and the cooling pipe body is located inside a water storage tank, a micro water pump is arranged on the left side of the water storage tank, and the micro water pump and the water injection pipe are connected to each other.

Preferably, the heat dissipation blocks have an "I"-shaped structure, and the heat dissipation blocks are evenly distributed inside the water storage cavity.

Preferably, the heat sink and the heat sink are connected by welding, and the heat sink is evenly distributed on the heat sink.

Preferably, the water storage tank and the water suction pipe are connected by hot melt, and the water storage tank and the first cover plate are connected by a snap connection.

Preferably, the cooling pipe bodies are evenly distributed on the first cover plate, and the inner space and the cavity of the cooling pipe body are an integrated structure.

Compared with the prior art, the beneficial effects of the present utility model are: the injection mold which is convenient for cooling the injection material,

1. By setting a water storage cavity inside the injection mold, it is convenient to pour the cooling liquid. At the same time, there are cooling blocks and cooling fins in the water storage cavity to facilitate the rapid conduction of heat in the cavity, which is beneficial to the circulating cooling liquid belt. Remove heat from heat sinks and heat sinks to improve cooling efficiency;

2. The first cover is provided with a cavity and a cooling tube, which is convenient for adding liquid nitrogen into the cavity, which facilitates the liquid nitrogen flowing into the cooling tube to refrigerate the liquid in the water storage tank, thereby facilitating the circulation and cooling of the liquid in the water storage tank. The heat is used for further cooling of the liquid to avoid affecting the cooling effect.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

2 is a schematic structural diagram of a heat sink block of the present invention;

FIG. 3 is a schematic top-view structural diagram of the first cover plate of the present invention.

In the figure: 1. Injection mold; 2. Mold cover; 3. Water storage cavity; 4. Heat sink; 5. Heat sink; 6. Water injection pipe; 7. Water pumping pipe; 8. Water storage tank; 9. First cover ; 10, cavity; 11, second cover plate; 12, cooling pipe body; 13, micro water pump.

Detailed ways

The technical solutions in 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. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides a technical solution: an injection mold for cooling injection materials, comprising an injection mold 1, a mold cover 2 and a miniature water pump 13, and a mold cover 2 is provided above the injection mold 1, And the inside of the injection mold 1 is provided with a water storage cavity 3, and the inner side of the water storage cavity 3 is provided with a heat dissipation block 4, and the heat dissipation block 4 is connected with the injection mold 1, and the heat dissipation block 4 is provided with a heat dissipation fin 5, and the heat dissipation block 4 It is an "I"-shaped structure, and the heat dissipation blocks 4 are evenly distributed on the inner side of the water storage cavity 3, which can guide the temperature in the cavity of the injection mold 1 and improve the cooling effect;

The heat sink 5 and the heat sink 4 are connected by welding, and the heat sink 5 is evenly distributed on the heat sink 4, which improves the contact area between the heat sink 4 and the cooling liquid, thereby improving the heat dissipation effect of the heat sink 4. The outer side of the mold 1 is respectively provided with a water injection pipe 6 and a water suction pipe 7, and a water storage tank 8 is installed on the water suction pipe 7. There is a snap connection between them, which is convenient for the stable installation of the first cover plate 9, and is also conducive to the stable connection between the suction pipe 7 and the water storage tank 8;

A first cover plate 9 is installed above the water storage tank 8, and a cavity 10 is opened on the first cover plate 9. The cooling pipe bodies 12 are evenly distributed on the first cover plate 9, and the inner space of the cooling pipe body 12 is the same as the empty space. The cavity 10 is an integrated structure, which is convenient for the liquid nitrogen injected into the cavity 10 to flow into the cooling pipe body 12 to cool the liquid in the water storage tank 8. A second cover plate 11 is installed above the first cover plate 9, and the first cover A cooling pipe 12 is installed below the plate 9 , and the cooling pipe 12 is located inside the water storage tank 8 . A micro water pump 13 is arranged on the left side of the water storage tank 8 , and the micro water pump 13 and the water injection pipe 6 are connected to each other.

Working principle: As shown in Figure 1, firstly inject the liquid material into the cavity on the injection mold 1, then cover the mold cover 2, and then add cooling liquid to the water storage tank 8, when the cooling liquid is added in the water storage tank 8. After that, the first cover plate 9 is covered on the water storage tank 8, and as shown in FIG. 3, liquid nitrogen is added into the cavity 10 on the first cover plate 9, and the liquid nitrogen added into the cavity 10 flows into the cooling pipe body 12. After the liquid nitrogen is added, the second cover 11 is covered on the first cover 9 to seal the cavity 10, and then the micro water pump 13 is started. At this time, the micro water pump 13 cools the water storage tank 8. The liquid is extracted, and the extracted cooling liquid is injected into the water storage cavity 3 through the water injection pipe 6, and the heat dissipation block 4 in the water storage cavity 3 guides the heat in the cavity of the injection mold 1, and the heat dissipation fins on the heat dissipation block 4 5 can increase the contact area between the heat dissipation block 4 and the cooling liquid, so the heat dissipation effect of the heat dissipation block 4 can be improved, and the cooling liquid carrying heat is drawn into the water storage tank 8 by the suction pipe 7 again to complete the circulation, and the heat carrying After the cooling liquid is pumped into the water storage tank 8, the cooling pipe body 12 inserted into the water storage tank 8 cools the cooling liquid through the liquid nitrogen inside, which is conducive to the circulating cooling of the cooling liquid. The mold is convenient for people to use.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. An injection mold for cooling injection materials, comprising an injection mold (1), a mold cover (2) and a miniature water pump (13), characterized in that: a mold cover (2) is provided above the injection mold (1). ), and the inside of the injection mold (1) is provided with a water storage cavity (3), the inner side of the water storage cavity (3) is provided with a heat dissipation block (4), and the heat dissipation block (4) and the injection mold (1) are mutually connected, and the heat dissipation block (4) is provided with a heat sink (5), the outer side of the injection mold (1) is respectively provided with a water injection pipe (6) and a water suction pipe (7), and the water suction pipe (7) is installed with a A water storage tank (8), a first cover plate (9) is installed above the water storage tank (8), and a cavity (10) is opened on the first cover plate (9), the first cover plate (9) A second cover plate (11) is installed above the first cover plate (9), and a cooling pipe body (12) is installed below the first cover plate (9), and the cooling pipe body (12) is located inside the water storage tank (8). The left side of the water storage tank (8) is provided with a micro water pump (13), and the micro water pump (13) and the water injection pipe (6) are connected to each other. 2. An injection mold for cooling injection materials according to claim 1, characterized in that: the heat dissipation block (4) is an "I"-shaped structure, and the heat dissipation block (4) is located in the water storage cavity (3) ) are evenly distributed inside. 3. An injection mold for cooling injection materials according to claim 1, characterized in that: the heat sink (5) and the heat sink (4) are connected by welding, and the heat sink (5) is used for heat dissipation. Evenly distributed on block (4). 4. An injection mold for cooling injection materials according to claim 1, characterized in that: the water storage tank (8) and the water suction pipe (7) are connected by hot melt, and the water storage tank (8) is connected to the The first cover plates (9) are in a snap connection. 5 . The injection mold according to claim 1 , wherein the cooling pipe body ( 12 ) is evenly distributed on the first cover plate ( 9 ), and the cooling pipe body ( 12 ) The inner space and the cavity (10) are of an integrated structure.

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