CN218366225U - Quick thermal cycle injection moulding mould - Google Patents

Abstract

The utility model relates to an injection mold related technical field, in particular to a rapid thermal cycle injection molding mold, which comprises a lower mold and an upper mold, wherein the lower mold comprises a mold body, a mold heat-insulating plate and a lower mold cavity, a first cavity, a second cavity and a cycle cavity are arranged in the mold body, the first cavity and the second cavity are communicated through the cycle cavity, a port of the first cavity is provided with a first connecting port, a port of the second cavity is provided with a second connecting port, and the lower surface and the side edge of the mold body are both fixedly provided with the mold heat-insulating plate; the lower die on the thermal cycle injection molding die is set to be composed of a die body, a die heat insulation plate and a lower die cavity in a combined mode, the first cavity, the second cavity and the cycle cavity are arranged in the die body, the first cavity and the second cavity are communicated through the cycle cavity, and the cycle cavity is arranged in parallel with multiple channels, so that the die body can be heated more uniformly.

Description

Quick thermal cycle injection moulding mould

Technical Field

The utility model relates to a relevant technical field of injection mold specifically is a quick thermal cycle injection moulding mould.

Background

The injection molding process is widely applied to various fields of national economy, but the product produced by adopting the traditional injection molding process has the defects of melting marks, flow marks, silver lines and the like on the surface, and the surface gloss of the plastic part is not high, so that the requirements of people on the mechanical property, the appearance and the like of the plastic product are difficult to meet; the thermal cycle injection molding technology is a new highlight non-melting mark injection molding technology developed in recent years, and adopts a boiler to supply steam (or hot water), wherein the steam temperature is usually less than 200 ℃, after a mold is rapidly heated to a certain temperature, plastic cement is injected into a mold cavity to complete pressure maintaining, room temperature water or cooling water is used for rapidly cooling a plastic part to the demolding temperature to complete an injection molding process, and then the next injection molding cycle is carried out;

but traditional thermal cycle injection moulding mould's circulation chamber structure all is simple tubulose setting, and its circulation chamber with the size, its effective heat transfer area is limited to it is limited to lead to thermal cycle injection moulding mould's heating or cooling efficiency, thereby influence actual production efficiency to a certain extent, for this, the utility model provides a quick thermal cycle injection moulding mould is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick thermal cycle injection moulding mould to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a quick thermal cycle injection moulding mould, thermal cycle injection moulding mould includes the lower mould and goes up the mould, the lower mould includes:

the mould comprises a mould body, wherein a first cavity, a second cavity and a circulating cavity are arranged in the mould body, the first cavity and the second cavity are communicated through the circulating cavity, a port of the first cavity is provided with a first connecting port, and a port of the second cavity is provided with a second connecting port;

the lower surface and the side edge of the die body are both fixedly provided with the die heat insulation plates;

and the lower die cavity is formed in the upper surface of the die body.

Preferably, the end of the first connecting port is connected with a first pipeline, a second pipeline and a liquid discharge pipeline through a four-way valve, the second connecting port is connected with a third pipeline and a fourth pipeline through a three-way valve, the first pipeline and the third pipeline are respectively connected with the gas supply end and the gas return end of the steam boiler, and the second pipeline and the fourth pipeline are respectively connected with the liquid supply end and the liquid return end of the cooling water circulation system.

Preferably, the port height of the first connection port is lower than the port height of the second connection port.

Preferably, the circulation chamber evenly is provided with the multichannel, and circulation chamber, first cavity, second cavity all with lower die cavity dislocation set.

Preferably, be provided with the heat conduction pole on the lateral wall in circulation chamber, the heat conduction pole is the body of rod structure that the cross-section is the semicircle, and the heat conduction pole integrated into one piece has the multichannel on the lateral wall in circulation chamber.

Preferably, be provided with the heat conduction ring on the lateral wall of heat conduction pole, the heat conduction ring is semicircular ring structure for the cross-section is semicircle, and heat conduction ring and heat conduction pole integrated into one piece, and the heat conduction ring evenly is provided with the multichannel.

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

1. the lower die on the thermal cycle injection molding die is formed by combining a die body, a die heat insulation plate and a lower die cavity, a first cavity, a second cavity and a cycle cavity are arranged in the die body, the first cavity and the second cavity are communicated through the cycle cavity, and the cycle cavity is arranged in parallel in multiple ways, so that the die body can be heated more uniformly;

2. and through be provided with the heat conduction pole on the lateral wall in circulation chamber to effectively increase the effective heat exchange area of circulation chamber lateral wall through the heat conduction pole, thereby effectively improve the heat transfer effect, thereby reach the purpose that improves whole production efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a horizontal half-sectional view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is a vertical half-sectional view of the present invention;

fig. 5 is an enlarged view of the structure at B in fig. 4.

In the figure: the mould comprises a mould body 1, a mould heat insulation plate 2, a lower mould cavity 3, a first cavity 4, a second cavity 5, a circulating cavity 6, a first connecting port 7, a second connecting port 8, a heat conducting rod 9 and a heat conducting ring 10.

Detailed Description

In order to make the objects and technical solutions of the present invention clear and fully described, and the advantages thereof more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some, but not all, embodiments of the present invention and are not to be considered as limiting, and that all other embodiments can be made by one of ordinary skill in the art without any inventive work.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", 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 simplicity 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," "second," "third," "fourth," "fifth," and "sixth" 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," "connected," and "connected" are to be construed broadly, and may be, for example, 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.

For simplicity and illustrative purposes, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1-5, the present invention provides four preferred embodiments as follows:

example one

The utility model provides a quick thermal cycle injection moulding mould, thermal cycle injection moulding mould includes the lower mould and goes up the mould, the lower mould includes mould body 1, mould heat insulating board 2 and lower die cavity 3, be equipped with first cavity 4 among the mould body 1, second cavity 5 and circulation chamber 6, its first cavity 4, communicate through circulation chamber 6 between the second cavity 5, the port of first cavity 4 is provided with first connector 7, and the port of second cavity 5 is provided with second connector 8, the equal fixed mounting in lower surface and the side of mould body 1 has mould heat insulating board 2, lower die cavity 3 sets up the upper surface at mould body 1.

The end of the first connecting port 7 is connected with a first pipeline, a second pipeline and a liquid discharge pipeline through a four-way valve, the second connecting port 8 is connected with a third pipeline and a fourth pipeline through a three-way valve, the first pipeline and the third pipeline are respectively connected with the gas supply end and the gas return end of the steam boiler, and the second pipeline and the fourth pipeline are respectively connected with the liquid supply end and the liquid return end of the cooling water circulation system.

Set to by mould body 1, mould heat insulating board 2 and lower mould chamber 3 combination through the lower mould with on the thermal cycle injection moulding mould and constitute to establish first cavity 4, second cavity 5 and circulation chamber 6 among mould body 1, and communicate through circulation chamber 6 between with first cavity 4, the second cavity 5, and will circulate chamber 6 and be provided with the multichannel side by side, thereby let mould body 1 can be more even be heated.

Example two

In the first embodiment, the port height of the first connection port 7 is lower than the port height of the second connection port 8.

The circulation cavity 6 is uniformly provided with a plurality of channels, the circulation cavity 6, the first cavity 4 and the second cavity 5 are arranged in a staggered mode with the lower die cavity 3, the circulation cavity 6 can be full of cooling water, and the cooling water in the circulation cavity 6 can be effectively emptied when heating is performed.

EXAMPLE III

On the basis of embodiment two, be provided with heat conduction rod 9 on the lateral wall in circulation chamber 6, heat conduction rod 9 is semicircle rod structure for the cross-section, and heat conduction rod 9 integrated into one piece has the multichannel on the lateral wall in circulation chamber 6, through be provided with heat conduction rod 9 on the lateral wall in circulation chamber 6 to effectively increase the effective heat exchange area of circulation chamber 6 lateral wall through heat conduction rod, thereby effectively improve the heat transfer effect, thereby reach the purpose that improves whole production efficiency.

Example four

On the basis of embodiment three, be provided with heat conduction ring 10 on the lateral wall of heat conduction pole 9, heat conduction ring 10 is semicircle semicircular ring structure for the cross-section, and heat conduction ring 10 and heat conduction pole 9 integrated into one piece, and heat conduction ring 10 evenly is provided with the multichannel, and through set up heat conduction ring 10 on the lateral wall of heat conduction pole 9, thereby form the collision effect through heat conduction ring 10 to the cooling water or the steam formation for the heating that flow among the circulation chamber 6, thereby let the cooling water or the steam formation irregular motion for the heating, thereby better realization heat exchange.

Although the illustrative embodiments of the present application have been described in order to enable those skilled in the art to understand the present application, the present application is not limited to these embodiments, and various modifications can be made within the spirit and scope of the present application as defined and defined by the appended claims.

Claims (6)

1. The utility model provides a quick thermal cycle injection moulding mould, thermal cycle injection moulding mould includes lower mould and last mould, its characterized in that: the lower die includes:

the die comprises a die body (1), wherein a first cavity (4), a second cavity (5) and a circulating cavity (6) are arranged in the die body (1), the first cavity (4) and the second cavity (5) are communicated through the circulating cavity (6), a first connecting port (7) is formed in a port of the first cavity (4), and a second connecting port (8) is formed in a port of the second cavity (5);

the lower surface and the side edge of the die body (1) are both fixedly provided with the die heat insulation plates (2);

the lower die cavity (3) is formed in the upper surface of the die body (1).

2. The rapid thermal cycle injection molding mold of claim 1, wherein: the end part of the first connecting port (7) is connected with a first pipeline, a second pipeline and a liquid discharge pipeline through a four-way valve, the second connecting port (8) is connected with a third pipeline and a fourth pipeline through a three-way valve, the first pipeline and the third pipeline are respectively connected with the gas supply end and the gas return end of the steam boiler, and the second pipeline and the fourth pipeline are respectively connected with the liquid supply end and the liquid return end of the cooling water circulation system.

3. The rapid thermal cycle injection molding mold of claim 2, wherein: the port height of the first connecting port (7) is lower than the port height of the second connecting port (8).

4. The rapid thermal cycle injection molding mold of claim 1, wherein: the circulation chamber (6) is evenly provided with a plurality of channels, and the circulation chamber (6), the first cavity (4) and the second cavity (5) are arranged in a staggered mode with the lower die cavity (3).

5. The rapid thermal cycle injection molding mold of claim 4, wherein: be provided with on the lateral wall in circulation chamber (6) heat conduction pole (9), heat conduction pole (9) are semicircle rod body structure for the cross-section, and heat conduction pole (9) integrated into one piece has the multichannel on the lateral wall in circulation chamber (6).

6. The rapid thermal cycle injection molding mold of claim 5, wherein: be provided with heat conduction ring (10) on the lateral wall of heat conduction pole (9), heat conduction ring (10) are semicircle ring structure for the cross-section, and heat conduction ring (10) and heat conduction pole (9) integrated into one piece, and heat conduction ring (10) evenly is provided with the multichannel.

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