CN220946550U

CN220946550U - Cooling device of automobile injection mold

Info

Publication number: CN220946550U
Application number: CN202322922156.2U
Authority: CN
Inventors: 占金
Original assignee: Wuhan Hongxinyi Molding Co ltd
Current assignee: Wuhan Hongxinyi Molding Co ltd
Priority date: 2023-10-27
Filing date: 2023-10-27
Publication date: 2024-05-14
Anticipated expiration: 2033-10-27

Abstract

The utility model relates to a cooling device of an automobile injection mold, which comprises a lower mold and an upper mold, wherein the back surface of the lower mold is provided with a lifting assembly, the lifting assembly comprises a telescopic mechanism, a mold groove is formed in the middle of the top end of the lower mold, a pressing module is arranged at the position, corresponding to the mold groove, of the bottom end of the upper mold, the interior of the lower mold is of a hollow structure, and the front surface of the lower mold is provided with a sealing assembly; the heat conduction assembly comprises a plurality of heat conduction plates, and a water inlet pipe and a water outlet pipe are respectively arranged on two sides of the lower die; according to the utility model, the heat transfer area of the model groove is effectively increased through the heat conduction layer and the plurality of heat conduction plates, so that heat in injection molding liquid can be better transferred to cooling water by the plurality of heat conduction plates, and the heat transfer efficiency is faster, and the cooling effect is better.

Description

Cooling device of automobile injection mold

Technical Field

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

Background

The most important component of an automotive mold is the cover mold. Such dies are mainly cold stamping dies. An "automotive mold" in a broad sense is a generic term for a mold that makes up all parts of an automobile. Such as stamping dies, injection dies, forging dies, casting wax dies, glass dies, and the like.

At present, when an automobile mould is used, injection molding liquid needs to be injected into the mould firstly, then the upper mould is pressed down to enable the injection molding liquid to be molded in the mould, then the injection molding liquid in the mould is cooled, so that a molded model is cooled and solidified, but most of cooling devices at present generally transfer heat in the injection molding liquid to cooling water through the mould through heat conduction when being matched with the injection molding mould, but because the transfer area of the current cooling devices is smaller when the heat conduction is carried out, the heat transfer is carried out only through the size of the bottom end area of a model groove, the heat transfer efficiency is slower, and the cooling efficiency is reduced, so that the cooling device of the automobile injection molding mould capable of effectively improving the heat transfer area and the cooling efficiency needs to be designed to solve the problems.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a cooling device of an automobile injection mold, which is used for solving the problems proposed by the background art.

The cooling device of the automobile injection mold comprises a lower mold and an upper mold, wherein the back surface of the lower mold is provided with a lifting assembly, the lifting assembly comprises a telescopic mechanism, a mold groove is formed in the middle of the top end of the lower mold, a pressing module is arranged at the position, corresponding to the mold groove, of the bottom end of the upper mold, the interior of the lower mold is of a hollow structure, and the front surface of the lower mold is provided with a sealing assembly; the heat conduction assembly comprises a plurality of heat conduction plates, and a water inlet pipe and a water outlet pipe are respectively arranged on two sides of the lower die.

As a further improvement of the utility model, the lifting assembly further comprises a supporting plate and a limiting rod, wherein the supporting plate is arranged on the back surface of the lower die and is of an L-shaped structural design, and the telescopic mechanism is arranged at the central position of the top end of the inner side of the supporting plate.

As a further improvement of the utility model, four limit rods are respectively arranged at the positions of the top end of the lower die, which are close to four corners, and the four limit rods penetrate through the four corners of the upper die, and the output end of the telescopic mechanism is connected with the central position of the top end of the upper die.

As a further improvement of the utility model, the sealing assembly comprises a sealing plate, a fixed block and a handle, wherein the front surface of the lower die is provided with an opening and is communicated with the cavity inside the lower die, and the sealing plate is arranged at the opening and seals the opening.

As a further improvement of the utility model, the four fixing blocks are respectively arranged at four corners of the sealing plate, the sealing plate is fixedly connected with the lower die through the fixing blocks and bolts, and the handles are arranged at positions, close to two sides, of the front surface of the sealing plate.

As a further improvement of the utility model, the heat conduction assembly further comprises a heat conduction layer, a partition plate and through holes, wherein the heat conduction layer is attached to the end face of the bottom of the model groove, and a plurality of heat conduction plates are uniformly arranged on the outer surface of the heat conduction layer.

As a further improvement of the utility model, a plurality of the partition boards are vertically arranged at the bottom of the inner cavity of the lower die, a plurality of the through holes are uniformly formed on the outer surfaces of the partition boards, and the through holes penetrate through the partition boards.

As a further improvement of the utility model, one end of the water inlet pipe is communicated with the inner cavity of the lower die, the other end of the water inlet pipe is communicated with an external water source, one end of the water outlet pipe is communicated with the inner cavity of the lower die, the other end of the water outlet pipe is communicated with an external water pool, and supporting feet are arranged at four corners of the bottom end of the lower die.

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

1. according to the utility model, the heat transfer area of the model groove is effectively increased through the heat conduction layer and the plurality of heat conduction plates, so that heat in injection molding liquid can be better transferred to cooling water by the plurality of heat conduction plates, and the heat transfer efficiency is faster, and the cooling effect is better;

2. Meanwhile, the plurality of through holes formed in the partition board in a matched mode are utilized, so that the flow of cooling water can be effectively blocked, and heat absorbed in the cooling water can be partially transferred to the partition board, and the heat absorption efficiency of the cooling water is further improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:

FIG. 1 is a schematic view of the overall perspective and front view structure of the present utility model;

FIG. 2 is a schematic diagram of the overall front cross-sectional structure of the present utility model;

FIG. 3 is a schematic diagram of the overall side view of the present utility model;

Fig. 4 is a schematic overall front view of the present utility model.

In the figure: 01. a lower die; 011. supporting feet; 02. a model groove; 021. an upper die; 022. a limit rod; 023. a support plate; 024. a telescoping mechanism; 025. pressing a module; 03. a sealing plate; 031. a fixed block; 032. a handle; 04. a water inlet pipe; 041. a water outlet pipe; 042. a heat conducting layer; 043. a heat conductive plate; 044. a partition plate; 045. and a through hole.

Detailed Description

Various embodiments of the present utility model are disclosed in the following drawings, which are presented in sufficient detail to provide a thorough understanding of the present utility model. However, it should be understood that these physical details should not be used to limit the utility model. That is, in some embodiments of the present utility model, these physical details are not necessary. Moreover, for the sake of simplicity of illustration, some well-known and conventional structures and components are shown in the drawings in a simplified schematic manner.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present technology, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "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; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in the art will be understood in a specific manner by those of ordinary skill in the art.

In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1-4, the utility model comprises a lower mold 01 and an upper mold 021, wherein the back of the lower mold 01 is provided with a lifting component, the lifting component comprises a telescopic mechanism 024, the middle part of the top end of the lower mold 01 is provided with a model groove 02, the bottom end of the upper mold 021 is provided with a pressing module 025 at a position corresponding to the model groove 02, the inside of the lower mold 01 is of a hollow structure, and the front of the lower mold 01 is provided with a sealing component; a heat conduction assembly is arranged in the lower die 01 and comprises a plurality of heat conduction plates 043, and a water inlet pipe 04 and a water outlet pipe 041 are respectively arranged on two sides of the lower die 01; one end of the water inlet pipe 04 is communicated with the inner cavity of the lower die 01, the other end of the water inlet pipe is communicated with an external water source, one end of the water outlet pipe 041 is communicated with the inner cavity of the lower die 01, the other end of the water outlet pipe is communicated with an external water pool, and supporting feet 011 are arranged at four corners of the bottom end of the lower die 01.

Referring to fig. 1 and 2, in this embodiment, in order to better control the upper mold 021 to move up and down, the lifting assembly further includes a support plate 023 and a limiting rod 022, the support plate 023 is disposed on the back of the lower mold 01 and has an L-shaped structure, the telescopic mechanism 024 is mounted at the central position of the top end of the inner side of the support plate 023, and the support plate 023 is fixedly connected with the lower mold 01;

Four limit rods 022 are respectively arranged at the positions, close to four corners, of the top end of the lower die 01, the four limit rods 022 penetrate through the four corners of the upper die 021, the output end of the telescopic mechanism 024 is connected with the central position of the top end of the upper die 021, the telescopic mechanism 024 is an electric telescopic rod or an electric cylinder, and two ends of the telescopic mechanism 024 are respectively fixedly connected with the support plate 023 and the upper die 021.

When the upper die 021 needs to be controlled to move, the upper die 021 is driven to move up and down by controlling the telescopic mechanism 024, and when the upper die 021 moves up and down, the four limiting rods 022 limit the moving track of the upper die 021, so that the upper die 021 and the lower die 01 can be better positioned.

Referring to fig. 1 and 3, it should be noted that, in order to better seal the inner cavity of the lower mold 01 and facilitate the subsequent cleaning of the inner cavity of the lower mold 01, the sealing assembly includes a sealing plate 03, a fixed block 031 and a handle 032, an opening is formed on the front surface of the lower mold 01 and is communicated with the cavity inside the lower mold 01, the sealing plate 03 is disposed at the opening and seals the opening, a sealing ring is disposed at the contact position of the sealing plate 03 and the inner wall of the opening, and the size and shape of the sealing plate 03 are all adapted to the opening;

The fixed block 031 has four and sets up in the four corners department of closing plate 03 respectively, and closing plate 03 passes through fixed block 031 and bolt and is connected fixedly with bed die 01, and handle 032 sets up in the position that closing plate 03 openly is close to both sides.

When the opening is required to be sealed, the handle 032 is grasped to clamp the sealing plate 03 into the opening, then four fixing bolts are screwed in, and the sealing plate 03 is fixed by matching the fixing blocks 031.

Referring to fig. 1 and fig. 4, specifically, in order to better conduct heat and improve cooling efficiency, the heat conducting assembly further includes a heat conducting layer 042, a partition plate 044 and a through hole 045, the heat conducting layer 042 is attached to the bottom end surface of the model groove 02, a plurality of heat conducting plates 043 are uniformly arranged on the outer surface of the heat conducting layer 042, the heat conducting layer 042 is made of heat conducting silica gel, the heat conducting plates 043 are made of copper sheets, and the partition plate 044 is made of aluminum sheets;

The baffle 044 has a plurality of and all vertically sets up in bed die 01 inner chamber bottom, and through-hole 045 has a plurality of and evenly opens in a plurality of baffle 044 surfaces, and a plurality of through-hole 045 all run through baffle 044.

After injection molding liquid is injected into the mold groove 02, the telescopic mechanism 024 is started to drive the upper mold 021 to move downwards, so that the compression molding module 025 is embedded into the mold groove 02 to mold injection molding liquid, an external water source is started again, cooling water is injected into a cavity in the lower mold 01 through the water inlet pipe 04, at the moment, one side of the water outlet pipe 041 can be closed firstly, the water outlet pipe 041 is opened after the cooling water fills the whole cavity, heat in the mold groove 02 can be discharged, the heat in the heated water can be firstly transferred to the heat conducting layer 042, the heat can be transferred to the plurality of heat conducting plates 043 through the heat conducting layer 042, the heat can be transferred to the cooling water at the same time, the cooling water is discharged after the cooling water absorbs the heat, and the new cooling water is taken away, so that the contact area between the mold groove 02 and the cooling water is increased through the plurality of heat conducting plates 043, and the heat transfer is faster.

The foregoing description is only illustrative of the utility model and is not to be construed as limiting the utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principle of the present utility model, should be included in the scope of the claims of the present utility model.

Claims

1. The cooling device of the automobile injection mold comprises a lower mold (01) and an upper mold (021), and is characterized in that:

The back of the lower die (01) is provided with a lifting assembly, the lifting assembly comprises a telescopic mechanism (024), a model groove (02) is formed in the middle of the top end of the lower die (01), a pressing module (025) is arranged at the position, corresponding to the model groove (02), of the bottom end of the upper die (021), the inside of the lower die (01) is of a hollow structure, and the front of the lower die (01) is provided with a sealing assembly;

The heat conduction assembly is arranged in the lower die (01), the heat conduction assembly comprises a plurality of heat conduction plates (043), and a water inlet pipe (04) and a water outlet pipe (041) are respectively arranged on two sides of the lower die (01).

2. The cooling device for an injection mold of an automobile according to claim 1, wherein: the lifting assembly further comprises a supporting plate (023) and a limiting rod (022), the supporting plate (023) is arranged on the back of the lower die (01) and is of an L-shaped structural design, and the telescopic mechanism (024) is arranged at the central position of the top end of the inner side of the supporting plate (023).

3. The cooling device for an injection mold of an automobile according to claim 2, characterized in that: the four limiting rods (022) are respectively arranged at the positions, close to four corners, of the top end of the lower die (01), the four limiting rods (022) penetrate through the four corners of the upper die (021), and the output end of the telescopic mechanism (024) is connected with the central position of the top end of the upper die (021).

4. The cooling device for an injection mold of an automobile according to claim 1, wherein: the sealing assembly comprises a sealing plate (03), a fixed block (031) and a handle (032), wherein an opening is formed in the front face of the lower die (01) and is communicated with an inner cavity of the lower die (01), and the sealing plate (03) is arranged at the opening and seals the opening.

5. The cooling device for an injection mold of an automobile according to claim 4, wherein: the fixing blocks (031) are four and are respectively arranged at four corners of the sealing plate (03), the sealing plate (03) is fixedly connected with the lower die (01) through the fixing blocks (031) and bolts, and the handles (032) are arranged at positions, close to two sides, of the front face of the sealing plate (03).

6. The cooling device for an injection mold of an automobile according to claim 1, wherein: the heat conduction assembly further comprises a heat conduction layer (042), a partition plate (044) and through holes (045), wherein the heat conduction layer (042) is attached to the bottom end face of the model groove (02), and a plurality of heat conduction plates (043) are uniformly arranged on the outer surface of the heat conduction layer (042).

7. The cooling device for an injection mold of an automobile according to claim 6, wherein: the partition board (044) is provided with a plurality of through holes (045) which are uniformly formed in the outer surfaces of the partition boards (044), and the through holes (045) are all penetrated through the partition boards (044).

8. The cooling device for an injection mold of an automobile according to claim 1, wherein: one end of the water inlet pipe (04) is communicated with the inner cavity of the lower die (01) and the other end of the water inlet pipe is communicated with an external water source, one end of the water outlet pipe (041) is communicated with the inner cavity of the lower die (01) and the other end of the water outlet pipe is communicated with an external water pool, and supporting feet (011) are arranged at four corners of the bottom end of the lower die (01).