CN215619790U

CN215619790U - An injection mold cooling mechanism

Info

Publication number: CN215619790U
Application number: CN202121372337.7U
Authority: CN
Inventors: 刘方强; 黄洪权
Original assignee: Shenzhen Dike Mould Co ltd
Current assignee: Shenzhen Dike Mould Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-01-25
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a cooling mechanism for an injection mold, which comprises a fixed mold seat and an injection port opened on the upper end of the fixed mold seat. The lower end of the injection port is provided with a cooling wall installed in the inner cavity of the fixed mold seat. A fixed mold cavity is formed, the lower end of the cooling wall is fitted with a water storage cavity, one end of the water storage cavity is provided with a water inlet opened on the outer surface of the fixed mold base, and two sides of the water storage cavity are connected with a through-flow pipe, and the through-flow pipe is connected The circulating pump installed on the outer surface of the fixed mold base, after the product is formed in the fixed mold cavity, first connect the water inlet to an external water source, and store the water in the water storage cavity, so that the water adheres to the cooling wall, so that the water cools the product, When the water temperature rises due to the water cooling product, the circulating pump is started to drive the water in the water storage cavity to circulate through the flow pipe, slowing down the speed of water temperature rise, thereby improving the cooling speed of the product, improving the product quality, shortening the injection cycle, and improving the work. efficiency.

Description

Injection mold cooling body

Technical Field

The utility model relates to the technical field of injection molds, in particular to a cooling mechanism of an injection mold.

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification.

The mould must be effectively cooled when using the mould, so that the mould temperature is kept in a certain range, and the cooling time of an injection molding part determines the production cycle time to a certain extent in the injection molding production.

In order to solve the problems, the utility model provides a cooling mechanism of an injection mold.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an injection mold cooling mechanism, wherein a water storage cavity is attached to the lower end of a cooling wall, a water inlet formed in the outer surface of a fixed mold base is formed in one end of the water storage cavity, a circulating pipe is connected to two sides of the water storage cavity and connected with a circulating pump mounted on the outer surface of the fixed mold base, the cooling wall is a component made of copper, the copper has extremely strong conductivity, a heat radiating fan is arranged at one end of a heat conducting assembly, a transverse heat discharging hole and a longitudinal heat radiating hole formed in the outer surface of the fixed mold base are formed in one end of the heat radiating fan, the transverse heat discharging hole and the longitudinal heat radiating hole are distributed in a mutually perpendicular mode, a heat absorbing plate is fixedly connected to one end of a first heat conducting layer, a second heat conducting layer is fixedly connected to one end of the heat absorbing plate, the first heat conducting layer and the second heat conducting layer are made of the same material and are made of heat conducting carbon fiber materials, and therefore the problems in the background technology are solved.

In order to achieve the purpose, the utility model provides the following technical scheme: a cooling mechanism of an injection mold comprises a fixed mold base and an injection molding opening formed in the upper end of the fixed mold base, wherein a cooling wall installed in an inner cavity of the fixed mold base is arranged at the lower end of the injection molding opening, a fixed mold cavity is formed in the inner cavity of the cooling wall, a water storage cavity is attached to the lower end of the cooling wall, and a water inlet formed in the outer surface of the fixed mold base is formed in one end of the water storage cavity;

both sides of the water storage cavity are connected with a draft tube, and the draft tube is connected with a circulating pump arranged on the outer surface of the fixed die base.

Preferably, the stave is a member made of a copper material.

Preferably, one end of the cooling wall is attached with an air cooling mechanism.

Preferably, the air cooling mechanism comprises a heat conduction assembly attached to the cooling wall, a heat dissipation fan is arranged at one end of the heat conduction assembly, and a transverse heat dissipation hole and a longitudinal heat dissipation hole which are formed in the outer surface of the fixed die holder are formed in one end of the heat dissipation fan.

Preferably, the transverse heat discharging holes and the longitudinal heat discharging holes are distributed perpendicularly to each other.

Preferably, the heat conducting assembly includes a first heat conducting layer attached to the cooling wall, one end of the first heat conducting layer is fixedly connected with the heat absorbing plate, and one end of the heat absorbing plate is fixedly connected with the second heat conducting layer.

Preferably, the first heat conduction layer and the second heat conduction layer are made of the same material and are members made of heat conduction carbon fiber materials.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the cooling mechanism of the injection mold, the lower end of the cooling wall is attached with the water storage cavity, one end of the water storage cavity is provided with the water inlet which is formed in the outer surface of the fixed mold base, the two sides of the water storage cavity are connected with the circulating pipes which are connected with the circulating pump which is installed on the outer surface of the fixed mold base, the cooling wall is a component made of copper materials, the copper materials have extremely strong conductivity, after a product is formed in the fixed mold cavity, the water inlet is firstly connected with a water source, water exists in the water storage cavity, the water is attached to the cooling wall, so that the product is cooled by the water, when the water temperature of the product rises due to water cooling, the circulating pump is started, the water in the water storage cavity is driven to circulate through the circulating pipes, the water temperature rising speed is reduced, the product cooling speed is increased, the product quality is increased, the injection period is shortened, and the working efficiency is improved.

2. According to the cooling mechanism for the injection mold, provided by the utility model, the heat dissipation fan is arranged at one end of the heat conduction assembly, the transverse heat discharge holes and the longitudinal heat dissipation holes which are formed in the outer surface of the fixed mold base are formed in one end of the heat dissipation fan, the transverse heat discharge holes and the longitudinal heat dissipation holes are mutually and vertically distributed, when a product is cooled, the heat dissipation fan is started, so that heat is discharged from the heat conduction assembly and blown to the transverse heat discharge holes and the longitudinal heat dissipation holes, and the heat is rapidly discharged through the transverse heat discharge holes and the longitudinal heat dissipation holes, so that the cooling speed is further improved, and the effect is obvious.

3. According to the cooling mechanism of the injection mold, one end of the first heat conduction layer is fixedly connected with the heat absorption plate, one end of the heat absorption plate is fixedly connected with the second heat conduction layer, the first heat conduction layer and the second heat conduction layer are made of the same material and are members made of heat conduction carbon fiber materials, the heat conduction carbon fiber materials have extremely strong heat conductivity, when heat passes through the heat conduction assembly, the heat is firstly quickly absorbed by the heat absorption plate through the first heat conduction layer, and then the heat in the heat absorption plate is quickly discharged through the second heat conduction layer, so that the heat conduction speed is high, and the practicability is good.

Drawings

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

FIG. 2 is a schematic view of the overall internal structure of the present invention;

FIG. 3 is a schematic structural view of an air cooling mechanism according to the present invention;

fig. 4 is a schematic structural diagram of a heat conducting assembly according to the present invention.

In the figure: 1. fixing a die holder; 2. an injection molding port; 3. fixing a mold cavity; 4. a stave; 5. a water storage cavity; 6. a water inlet; 7. a draft tube; 8. a circulation pump; 9. an air cooling mechanism; 91. a heat conducting component; 92. a heat radiation fan; 93. transverse heat discharging holes; 94. longitudinal heat dissipation holes; 911. a first thermally conductive layer; 912. a heat absorbing plate; 913. a second thermally conductive layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a cooling mechanism for an injection mold comprises a fixed mold base 1 and an injection port 2 provided at the upper end of the fixed mold base 1, wherein a cooling wall 4 provided in the inner cavity of the fixed mold base 1 is provided at the lower end of the injection port 2, a fixed mold cavity 3 is formed in the inner cavity of the cooling wall 4, a water storage cavity 5 is attached to the lower end of the cooling wall 4, a water inlet 6 provided at the outer surface of the fixed mold base 1 is provided at one end of the water storage cavity 5, a circulating pipe 7 is connected to both sides of the water storage cavity 5, the circulating pipe 7 is connected to a circulating pump 8 provided at the outer surface of the fixed mold base 1, the cooling wall 4 is a member made of a copper material, the copper material has an extremely strong conductivity, after a product is molded in the fixed mold cavity 3, the water is firstly connected to the water source from the water inlet 6, the water is stored in the water storage cavity 5, so that the water is attached to the cooling wall 4, thereby cooling the product, when the water cools the product causes the water to rise, the circulating pump 8 is started to drive water in the water storage cavity 5 to circulate through the circulating pipe 7, the water temperature lifting speed is slowed down, the product cooling speed is increased, the product quality is improved, the injection period is shortened, and the working efficiency is improved.

Referring to fig. 3-4, an air cooling mechanism 9 is attached to one end of the cooling wall 4, the air cooling mechanism 9 includes a heat conducting assembly 91 attached to the cooling wall 4, a heat dissipating fan 92 is disposed at one end of the heat conducting assembly 91, a transverse heat dissipating hole 93 and a longitudinal heat dissipating hole 94 are disposed at one end of the heat dissipating fan 92, the transverse heat dissipating hole 93 and the longitudinal heat dissipating hole 94 are vertically distributed, the heat dissipating fan 92 is turned on while cooling the product, so that heat is discharged from the heat conducting assembly 91 and blown to the transverse heat dissipating hole 93 and the longitudinal heat dissipating hole 94, and the heat is rapidly discharged through the transverse heat dissipating hole 93 and the longitudinal heat dissipating hole 94, thereby further increasing the cooling speed and achieving an obvious effect.

The heat conduction assembly 91 includes the first heat-conducting layer 911 that laminates in stave 4, the one end fixedly connected with absorber plate 912 of first heat-conducting layer 911, the one end fixedly connected with second heat-conducting layer 913 of absorber plate 912, first heat-conducting layer 911 is the same with the material of making of second heat-conducting layer 913, the component that makes for heat conduction carbon fiber material, heat conduction carbon fiber material has extremely strong heat conductivity, when the heat passes through heat conduction assembly 91, the heat is at first through the quick by the absorber plate 912 absorption of first heat-conducting layer 911, the quick heat with in the absorber plate 912 of rethread second heat-conducting layer 913 is discharged, heat conduction speed is fast, the practicality is good.

The working principle is as follows: after a product is formed in the fixed die cavity 3, firstly, a water inlet 6 is externally connected with a water source, water exists in a water storage cavity 5, and is attached to the cooling wall 4, so that the product is cooled by the water, when the water temperature of the product rises due to water cooling, a circulating pump 8 is started to drive the water in the water storage cavity 5 to circulate through a circulating pipe 7, the water temperature rising speed is reduced, and the product cooling speed is increased; as heat passes through the heat conducting assembly 91, the heat is first rapidly absorbed by the heat sink plate 912 through the first heat conducting layer 911, and then rapidly dissipated from the heat sink plate 912 through the second heat conducting layer 913.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An injection mold cooling mechanism, comprising a fixed mold seat (1), and an injection port (2) opened on the upper end of the fixed mold seat (1), and the lower end of the injection port (2) is provided with a fixed mold seat (1). ) the cooling wall (4) of the inner cavity, the inner cavity of the cooling wall (4) forms the fixed mold cavity (3), and it is characterized in that: the lower end of the cooling wall (4) is fitted with a water storage cavity (5), which stores water. One end of the water cavity (5) is provided with a water inlet (6) opened on the outer surface of the fixed die seat (1);

Two sides of the water storage cavity (5) are connected with through-flow pipes (7), and the through-flow pipes (7) are connected with a circulating pump (8) installed on the outer surface of the fixed die seat (1).

2 . The cooling mechanism for an injection mold according to claim 1 , wherein the cooling wall ( 4 ) is a member made of copper material. 3 .

3 . The cooling mechanism for an injection mold according to claim 1 , wherein an air cooling mechanism ( 9 ) is attached to one end of the cooling wall ( 4 ). 4 .

4. An injection mold cooling mechanism according to claim 3, characterized in that: the air cooling mechanism (9) comprises a heat-conducting component (91) attached to the cooling wall (4), and the heat-conducting component (91) has a A cooling fan (92) is arranged at one end, and a transverse heat exhaust hole (93) and a longitudinal cooling hole (94) are arranged on the outer surface of the fixed die base (1) at one end of the cooling fan (92).

5 . The cooling mechanism for an injection mold according to claim 4 , wherein the transverse heat exhaust holes ( 93 ) and the longitudinal heat dissipation holes ( 94 ) are distributed perpendicular to each other. 6 .

6. An injection mold cooling mechanism according to claim 4, characterized in that: the heat-conducting component (91) comprises a first heat-conducting layer (911) attached to the cooling wall (4), and the first heat-conducting layer ( One end of 911) is fixedly connected with a heat absorbing plate (912), and one end of the heat absorbing plate (912) is fixedly connected with a second heat conducting layer (913).

7. An injection mold cooling mechanism according to claim 6, characterized in that: the first thermally conductive layer (911) and the second thermally conductive layer (913) are made of the same material, and are made of thermally conductive carbon fiber material component.