CN219543950U - Injection mold convenient to heat dissipation - Google Patents

Abstract

The utility model discloses an injection mold for heat dissipation, which comprises a base, the top of the base is fixedly connected with a hydraulic expansion rod, the top of the hydraulic expansion rod is fixedly connected with a support plate, and the bottom of the support plate is fixedly connected with a The upper mold is provided with an injection tube inside the upper mold. The utility model closes the upper mold and the lower mold through the hydraulic telescopic rod, and introduces the injection molding material into the plastic cavity through the injection pipe for injection molding, absorbs heat and cools the surface of the upper mold through the soaking plate and heat dissipation fins, and then uses the water pump to The cooling water in the water storage chamber is pumped into the cooling chamber. At this time, the heat of the plastic chamber is introduced into the heat conduction column through the heat conduction plate, and then the cooling water cools down the heat conduction column, so as to achieve the injection molding material in the plastic cavity. Cooling plasticity, so that the molding cavity can be cooled quickly and the injection molding efficiency can be improved.

Description

An injection mold for heat dissipation

technical field

The utility model relates to the technical field of injection molds, in particular to an injection mold which is convenient for heat dissipation.

Background technique

Injection molding, also known as injection molding, is a molding method of injection and molding. The advantages of the injection molding method are fast production speed, high efficiency, automatic operation, various designs and colors, simple to complex shapes, large to small sizes, accurate product sizes, easy replacement of products, and complex shapes. Parts, injection molding is suitable for mass production and complex shape products and other molding processing fields.

At present, injection molds need to be cooled and dissipated quickly after injection molding is completed. At present, most of the mold production is to let the inside of the mold cool and dissipate heat by itself, resulting in a slow solidification speed of the product in the molding cavity, thereby reducing the injection molding efficiency. At the same time, the product After demoulding, a large amount of heat will remain in the molding cavity, and this residual heat will damage the mold itself, and if it is not dissipated in time, it may also affect the subsequent injection molding of the product.

Therefore, it is necessary to modify the existing injection mold to effectively prevent the slow solidification speed of the product in the molding cavity, and the problem that the residual heat in the molding cavity after the product is demoulded will cause damage to the mold itself.

Utility model content

In order to solve the problems raised in the above-mentioned background technology, the purpose of this utility model is to provide an injection mold that is easy to dissipate heat. The solidification speed is relatively slow, and the residual heat in the molding cavity after the product is demolded will cause damage to the mold itself.

In order to achieve the above purpose, the utility model provides the following technical solutions: an injection mold for heat dissipation, including a base, the top of the base is fixedly connected with a hydraulic telescopic rod, and the top of the hydraulic telescopic rod is fixedly connected with a support plate, so The bottom of the support plate is fixedly connected with an upper mold, the inside of the upper mold is provided with an injection pipe, the inside of the upper mold is provided with a cooling cavity, the bottom of the inner wall of the cooling cavity is fixedly connected with a soaking plate, the uniform The top of the hot plate is fixedly connected with cooling fins, the top of the base is fixedly connected with a lower mold, the top of the lower mold is provided with a plastic cavity, and the plastic cavity is used in conjunction with the upper mold, and the inside of the lower mold is provided with A cooling cavity, the bottom of the plastic cavity is fixedly connected with a heat conduction plate, the bottom of the heat conduction plate is fixedly connected with a heat conduction column, and the bottom of the heat conduction column extends to the cooling cavity and is fixedly connected with it, and the bottom of the lower mold is provided with a storage A water chamber, and the water storage chamber is located below the cooling chamber, a water pump is fixedly connected to the bottom of the water storage chamber, and the output end of the water pump is communicated with the cooling chamber through a pipeline, and the bottom of the left side of the cooling chamber is connected with a return port, And the return port communicates with the water storage cavity.

As preferred in the present invention, the surface of the upper mold is provided with a plurality of heat dissipation fans, and the plurality of heat dissipation fans are used in conjunction with uniform heat dissipation fins.

As preferred in the present invention, the bottom of the upper mold is fixedly connected with a guide column, and the top of the lower mold is provided with a guide groove, and the guide groove is slidably connected with the guide column.

As preferred in the present invention, the shape of the cooling cavity is S-shaped, the number of the heat conducting columns is several, and the diameter of the heat conducting columns is smaller than the width of the inner wall of the cooling cavity.

As a preferred aspect of the present invention, a water pipe is connected to the right side of the water storage chamber.

As preferred in the present invention, a plurality of support columns are fixedly connected to the inside of the water storage cavity, and the plurality of support columns are evenly arranged.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. The utility model closes the upper mold and the lower mold through the hydraulic telescopic rod, and introduces the injection molding material into the plastic cavity through the injection pipe for injection molding, and absorbs heat and cools down the surface of the upper mold through the soaking plate and heat dissipation fins, and then passes The water pump pumps the cooling water in the water storage chamber into the cooling chamber. At this time, the heat of the plastic chamber is introduced into the heat conduction column through the heat conduction plate, and then the cooling water cools down the heat conduction column, so as to achieve the injection molding in the plastic cavity. The material is cooled and plasticized, so that the molding cavity can be cooled quickly and the injection molding efficiency can be improved.

2. The utility model can improve the air circulation in the cooling chamber through the arrangement of multiple cooling fans, thereby improving the cooling effect of the cooling fins.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a schematic cross-sectional top view of the cooling chamber of the present invention.

In the figure: 1. Base; 2. Hydraulic telescopic rod; 3. Support plate; 4. Upper mold; 5. Injection tube; 6. Cooling chamber; 10. Plastic cavity; 11. Cooling cavity; 12. Heat conduction plate; 13. Heat conduction column; 14. Water storage cavity; 15. Water pump; 16. Return port; 17. Cooling fan; 18. Guide column; 19. Guide groove; 20. Water pipe; 21. Support column.

Implementation

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figures 1 to 2, the utility model provides an injection mold for heat dissipation, including a base 1, the top of the base 1 is fixedly connected with a hydraulic telescopic rod 2, and the top of the hydraulic telescopic rod 2 is fixedly connected with a support plate 3 , the bottom of the support plate 3 is fixedly connected with an upper mold 4, the inside of the upper mold 4 is provided with an injection pipe 5, the inside of the upper mold 4 is provided with a cooling cavity 6, and the bottom of the inner wall of the cooling cavity 6 is fixedly connected with a soaking plate 7. The top of the hot plate 7 is fixedly connected with cooling fins 8, the top of the base 1 is fixedly connected with a lower mold 9, and the top of the lower mold 9 is provided with a plastic cavity 10, and the plastic cavity 10 is used in conjunction with the upper mold 4. A cooling cavity 11 is opened inside, the bottom of the plastic cavity 10 is fixedly connected with a heat conduction plate 12, the bottom of the heat conduction plate 12 is fixedly connected with a heat conduction column 13, and the bottom of the heat conduction column 13 extends to the cooling cavity 11 and is fixedly connected with it, the lower mold 9 The bottom of the water storage chamber 14 is provided with a water storage chamber 14, and the water storage chamber 14 is located below the cooling chamber 11. The bottom of the water storage chamber 14 is fixedly connected with a water pump 15, and the output end of the water pump 15 communicates with the cooling chamber 11 through a pipeline, and the cooling chamber 11 The bottom on the left side communicates with a return port 16 , and the return port 16 communicates with the water storage chamber 14 .

Referring to FIG. 1 , a plurality of heat dissipation fans 17 are provided on the surface of the upper mold 4 , and the plurality of heat dissipation fans 17 are used in conjunction with the uniform heat dissipation fins 8 .

As a technical optimization scheme of the present invention, the air circulation in the cooling chamber 6 can be improved through the arrangement of a plurality of cooling fans 17 , thereby improving the cooling effect on the cooling fins 8 .

Referring to FIG. 1 , the bottom of the upper mold 4 is fixedly connected with a guide column 18 , and the top of the lower mold 9 is provided with a guide groove 19 , and the guide groove 19 is slidably connected with the guide column 18 .

As a technical optimization scheme of the present invention, through the setting of the guide column 18 and the guide groove 19, the upper mold 4 and the lower mold 9 can be guided to align in the correct position.

Referring to FIG. 2 , the shape of the cooling chamber 11 is S-shaped, and there are several heat conducting columns 13 , and the diameter of the heat conducting columns 13 is smaller than the width of the inner wall of the cooling chamber 11 .

As a technical optimization scheme of the present utility model, the shape of the cooling chamber 11 is set in an S shape, so that the cooling water can move in one direction in the cooling chamber 11 under the force of the water pump 15, and pass through several heat conducting columns 13. The setting that the diameters are smaller than the width of the inner wall of the cooling cavity 11 enables the surfaces of several heat conducting columns 13 to be infiltrated by cooling water, thereby achieving the effect of cooling them.

Referring to FIG. 1 , a water pipe 20 communicates with the right side of the water storage chamber 14 .

As a technical optimization scheme of the present invention, through the setting of the water pipe 20, it is convenient for the staff to add or replace the cooling water to the water storage chamber 14.

Referring to FIG. 1 , a plurality of support columns 21 are fixedly connected to the interior of the water storage chamber 14 , and the plurality of support columns 21 are evenly arranged.

As a technical optimization solution of the present invention, the arrangement of multiple support columns 21 plays an auxiliary role in supporting the water storage chamber 14 and prevents the top of the water storage chamber 14 from being sunken and deformed.

The working principle and application process of the utility model: When the staff uses the injection mold to inject, first inject cooling water into the water storage cavity 14 through the water pipe 20, and then start the hydraulic telescopic rod 2 to drive the support plate 3 to move downward At this time, the guide post 18 slides into the guide groove 19 to guide the upper mold 4 and the lower mold 9 to fit together in the correct position, and then inject the injection molding material into the plastic cavity 10 through the injection molding tube 5. When the injection is completed, Start the water pump 15 to pump the cooling water in the water storage chamber 14 into the cooling chamber 11. At this time, the heat of the injection molding material conducts heat to several heat conducting columns 13 through the heat conducting plate 12 on the surface of the plastic chamber 10, and then the cooling water conducts heat to several heat conducting columns 13. The column 13 cools down, so that the heat conduction plate 12 and the plastic cavity 10 cool down, and at the same time, the upper mold 4 transfers its heat to the cooling fins 8 through the soaking plate 7 to dissipate heat, and then starts the cooling fan 17 to accelerate the air in the cooling cavity 6 Circulation, thereby improving the heat dissipation effect of the heat dissipation fins 8, and then enabling the upper mold 4 to accelerate the cooling, thereby achieving the effect of rapidly cooling the lower mold 9 and the plastic cavity 10, so that no residue remains in the plastic cavity 10 after the product is demoulded. heat.

To sum up: the injection mold that facilitates heat dissipation, through the base 1, the hydraulic telescopic rod 2, the support plate 3, the upper mold 4, the injection pipe 5, the cooling chamber 6, the soaking plate 7, the cooling fins 8, and the lower mold 9 , the plastic chamber 10, the cooling chamber 11, the heat conduction plate 12, the heat conduction column 13, the water storage chamber 14, the water pump 15 and the return port 16 are used together to solve the problem that the solidification speed of the product in the molding chamber is relatively slow, and the product is molded after demoulding The residual heat in the cavity can cause damage to the mold itself.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. An injection mold for heat dissipation, comprising a base (1), characterized in that: the top of the base (1) is fixedly connected with a hydraulic telescopic rod (2), and the top of the hydraulic telescopic rod (2) is fixedly connected There is a support plate (3), the bottom of the support plate (3) is fixedly connected with an upper mold (4), and the inside of the upper mold (4) is provided with an injection tube (5), and the upper mold (4) There is a cooling cavity (6) inside, the bottom of the inner wall of the cooling cavity (6) is fixedly connected with a soaking plate (7), and the top of the soaking plate (7) is fixedly connected with a heat dissipation fin (8). The top of the base (1) is fixedly connected with a lower mold (9), and the top of the lower mold (9) is provided with a plastic cavity (10), and the plastic cavity (10) is used in conjunction with the upper mold (4). A cooling cavity (11) is opened inside the lower mold (9), the bottom of the plastic cavity (10) is fixedly connected with a heat conduction plate (12), and the bottom of the heat conduction plate (12) is fixedly connected with a heat conduction column (13) , and the bottom of the heat conduction column (13) extends to the cooling cavity (11) and is fixedly connected to it, the bottom of the lower mold (9) is provided with a water storage cavity (14), and the water storage cavity (14) is located in the cooling cavity ( 11), the bottom of the water storage chamber (14) is fixedly connected with a water pump (15), and the output end of the water pump (15) communicates with the cooling chamber (11) through a pipe, and the left side of the cooling chamber (11) The bottom of the bottom is communicated with a return port (16), and the return port (16) is communicated with the water storage chamber (14). 2. An injection mold for heat dissipation according to claim 1, characterized in that: the surface of the upper mold (4) is provided with a plurality of heat dissipation fans (17), and the plurality of heat dissipation fans (17) are connected to the uniform Heat dissipation fins (8) are used in conjunction. 3. An injection mold for heat dissipation according to claim 1, characterized in that: the bottom of the upper mold (4) is fixedly connected with a guide column (18), and the top of the lower mold (9) is provided with a The guide groove (19), and the guide groove (19) is slidably connected with the guide post (18). 4. An injection mold for heat dissipation according to claim 1, characterized in that: the shape of the cooling cavity (11) is S-shaped, the number of the heat-conducting columns (13) is several, and the heat-conducting columns The diameter of (13) is smaller than the width of the inner wall of the cooling chamber (11). 5. The injection mold for heat dissipation according to claim 1, characterized in that: a water pipe (20) communicates with the right side of the water storage cavity (14). 6. An injection mold for heat dissipation according to claim 1, characterized in that: the inside of the water storage cavity (14) is fixedly connected with a plurality of support columns (21), and the plurality of support columns (21) Arranged evenly.