CN219564048U

CN219564048U - Injection mold circulation cooling device

Info

Publication number: CN219564048U
Application number: CN202320600151.5U
Authority: CN
Inventors: 王民强; 环晓建; 易露; 李海民
Original assignee: Guangzhou Shenda Auto Parts Co ltd
Current assignee: Guangzhou Shenda Auto Parts Co ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-08-22
Anticipated expiration: 2033-03-24

Abstract

The utility model relates to the technical field of injection molds, in particular to a circulating cooling device of an injection mold. Its technical scheme includes water tank, butt joint pipe one, fixed mould, water pump, butt joint pipe two, movable mould and check valve two, fixed mould upper end is provided with the movable mould, the cover half cooling chamber has been seted up to the cover half utensil inside, the movable mould cooling chamber has been seted up to the inside movable mould upper end, movable mould one end is provided with the water tank, the semiconductor refrigeration piece is installed to the inside embedding of water tank lower extreme, the inside water pump that is provided with of water tank, movable mould cooling chamber lower extreme one side opening part is provided with the check valve three, cover half cooling chamber upper end one side opening part is provided with the check valve two. According to the utility model, the cooling water cavity is in butt joint communication with the one-way valve through the butt joint pipe, so that the butt joint positioning of the fixed die and the movable die is realized, the molten material in the die cavity is cooled, and the cooling water flows back to the water tank through the characteristic of pressurizing and opening the one-way valve, so that the circulating cooling is realized.

Description

Injection mold circulation cooling device

Technical Field

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

Background

The injection molding of the mold is a processing method used for mass production of parts with complex shapes, and the heated and melted plastic raw material is pushed by a screw of an injection molding machine to be injected into a mold cavity of the plastic mold under high pressure, and the plastic molded product is obtained after cooling and solidification.

The existing cooling device equipped with some injection molds enables raw materials in the inner mold cavity of the mold to be rapidly cooled and shaped, a generally equipped water tank is used for conveying cooling water in the mold in a circulating way through a circulating pump, the water in the water tank is cooled through a cooling fan, the cooling efficiency is low, dust is easy to enter, the dust is scaled in a cavity of the mold for conveying the cooling water, and the heat exchange efficiency is reduced after long-time use, so that the circulating cooling device of the injection mold is provided for solving the existing problems.

Disclosure of Invention

The utility model aims to solve the problems in the background art and provides an injection mold circulating cooling device.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an injection mold circulation cooling device, includes water tank, butt joint pipe one, fixed mould, water pump, butt joint pipe two, movable mould and check valve two, fixed mould upper end is provided with the movable mould, the fixed mould cooling chamber has been seted up to fixed mould utensil inside, the movable mould cooling chamber has been seted up to movable mould upper end inside, movable mould one end is provided with the water tank, the semiconductor refrigeration piece is installed to the inside embedding of water tank lower extreme, the inside water pump that is provided with of water tank, movable mould cooling chamber lower extreme one side opening part is provided with butt joint pipe one, movable mould cooling chamber lower extreme one side opening part is provided with the check valve three, fixed mould cooling chamber upper end one side opening part is provided with butt joint pipe two, fixed mould cooling chamber upper end one side opening part is provided with the check valve two, butt joint pipe one and butt joint pipe two opening parts all are provided with the butt joint, the check valve two comprises mounting cylinder, disk seat, valve plug, spring and support.

When the injection mold circulating cooling device is used, after purified water is added into the water tank, the movable mold descends through the semiconductor refrigerating sheet, the butt joint at the upper end of the butt joint pipe II pressurizes the check valve three-valve plug, the valve plug presses the spring, the closing relation between the valve plug and the valve seat is opened, the water pump pumps cooling water to be conveyed into the butt joint pipe II through the check valve III, the cooling water enters the fixed mold cooling cavity, the water subjected to heat exchange between the single valve II and the butt joint pipe I is conveyed to the fixed mold cooling cavity, molten materials in the fixed mold and the inner mold cavity of the movable mold are subjected to heat exchange, the quick cooling and shaping of the injection mold are accelerated, the cooling water in the movable mold cooling cavity is continuously input to pressurize the check valve I, and the heat exchange cooling water flows back to the water tank for circulating cooling.

Preferably, one end of the water pump is connected with the one-way valve in a three-phase mode. The water pump conveys water in the water tank to the third one-way valve.

Preferably, sealing gaskets are arranged at the openings of the second check valve and the third check valve. When the first butt joint pipe and the second butt joint pipe extrude the second check valve and the third check valve, the butt joint parts are tightly attached through the sealing gaskets.

Preferably, the water tank is connected with the movable mould cooling cavity through a one-way valve, and the one-way valve I, the one-way valve III and the one-way valve I have the same structure. When the pressure in the cooling cavity of the movable mould increases, the first check valve is opened by impact.

Preferably, the two valve seats of the one-way valve are opposite to the butt joint at the lower end of the butt joint pipe. When the butt joint pipe descends, the butt joint extrudes the two valve plugs of the one-way valve.

Preferably, the three valve seats of the one-way valve are correspondingly connected with the upper ends of the two connecting pipes in a butt joint way. When the third check valve descends, the butt joint at the upper end of the butt joint pipe II extrudes the third check valve plug.

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

1. according to the utility model, the semiconductor refrigerating sheet is used for continuously cooling water in the water tank, the butt joint pipe is communicated with the cooling chambers of the fixed die and the movable die through the one-way valve, after butt joint, the cooling water circulates, hot water flows back to the water tank through the one-way valve under the pressure of the circulating pump, and after the butt joint of the butt joint pipe and the one-way valve is lost between the fixed die and the movable die, the cooling chambers are closed;

2. the traditional positioning hole butt joint of the positioning column of the injection mold is positioned, so that butt joint of the butt joint pipe and the one-way valve is changed, the installation of a fan is avoided, dust is prevented from entering, and the equipment structure is reduced.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present utility model;

FIG. 2 is a schematic diagram of a front view structure of the present utility model;

FIG. 3 is a schematic diagram of a two-main cross-sectional structure of the check valve of FIG. 1 according to the present utility model;

fig. 4 is a schematic diagram of a cross-sectional structure of the butt joint pipe of fig. 1 according to the present utility model.

Reference numerals: 1. a water tank; 2. a semiconductor refrigeration sheet; 3. a first butt joint pipe; 4. setting a mold; 5. a fixed mold cooling cavity; 6. a movable mold cooling cavity; 7. a first check valve; 8. a water pump; 9. a second butt joint pipe; 10. a movable mold; 11. a second check valve; 12. and a check valve III.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1-4, the injection mold circulation cooling device provided by the utility model comprises a water tank 1, a first butt joint pipe 3, a fixed mold 4, a water pump 8, a second butt joint pipe 9, a movable mold 10 and a second check valve 11, wherein the upper end of the fixed mold 4 is provided with the movable mold 10, the inside of the fixed mold 4 is provided with a fixed mold cooling cavity 5, the inside of the upper end of the movable mold 10 is provided with a movable mold cooling cavity 6, one end of the movable mold 10 is provided with the water tank 1, the inside of the lower end of the water tank 1 is embedded with a semiconductor refrigerating sheet 2, the inside of the water tank 1 is provided with the water pump 8, the opening part of one side of the lower end of the movable mold cooling cavity 6 is provided with the first butt joint pipe 3, the opening part of one side of the lower end of the movable mold cooling cavity 6 is provided with the third check valve 12, one end of the water pump 8 is connected with the check valve III 12, the opening part at one side of the upper end of the fixed die cooling cavity 5 is provided with the butt joint pipe II 9, the opening part at one side of the upper end of the fixed die cooling cavity 5 is provided with the check valve II 11, the opening parts of the butt joint pipe II 9 and the butt joint pipe I3 are respectively provided with the butt joint, the opening parts of the check valve II 11 and the check valve III 12 are respectively provided with the sealing gasket, the water tank 1 is connected with the movable die cooling cavity 6 through the check valve I7, the check valve II 11 is composed of an installation cylinder, a valve seat, a valve plug, a spring and a support, the check valve I7 and the check valve III 12 are identical in structure with the single valve I7, the valve seat of the check valve II 11 corresponds to the butt joint pipe I3 lower end butt joint, and the valve seat of the check valve III 12 corresponds to the butt joint pipe II 9 upper end butt joint.

The procedure is based on example 1: when the fixed die 4 is in butt joint with the movable die 10, the butt joint pipe I3 and the butt joint pipe II 9 are respectively inserted into the second check valve 11 and the third check valve 12, the second check valve 11 and the third check valve 12 are opened, the water pump 8 conveys cooling water in the water tank 1 to the third check valve 12 and conveys the cooling water to the inside of the fixed die cooling cavity 5 through the second butt joint pipe II 9, the cooling water flows back to the inside of the movable die cooling cavity 6 through the second check valve 11 and the first butt joint pipe I3, when the inside of the movable die cooling cavity 6 is pressurized, the hot water after heat exchange flows back to the inside of the water tank 1, the semiconductor refrigerating sheet 2 cools the water in a circulating way, and the high-temperature molten material in the internal die cavities of the fixed die 4 and the movable die 10 is cooled in the cooling water conveying process;

meanwhile, when the movable mold 10 is lifted, the second check valve 11 and the third check valve 12 are closed, the butt joint pipe I3 and the butt joint pipe II 9 have the function of butt joint and positioning of the original injection mold, the structure is simple, the problem that dust is easy to enter the water in the fan cooling water tank 1 to cause scaling of a cooling cavity and reduce heat exchange efficiency is avoided, and the circulating cooling of the injection mold is realized.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an injection mold circulation cooling device, includes water tank (1), butt joint pipe one (3), decides mould (4), water pump (8), butt joint pipe two (9), movable mould (10) and check valve two (11), its characterized in that: the novel automatic cooling device is characterized in that a movable mold (10) is arranged at the upper end of the fixed mold (4), a fixed mold cooling cavity (5) is formed in the fixed mold (4), a movable mold cooling cavity (6) is formed in the upper end of the movable mold (10), a water tank (1) is arranged at one end of the movable mold (10), a semiconductor refrigerating sheet (2) is embedded into the lower end of the water tank (1), a water pump (8) is arranged in the water tank (1), a butt joint pipe I (3) is arranged at one side opening of the lower end of the movable mold cooling cavity (6), a check valve III (12) is arranged at one side opening of the lower end of the movable mold cooling cavity (6), a butt joint pipe II (9) is arranged at one side opening of the upper end of the fixed mold cooling cavity (5), a check valve II (11) is arranged at the opening of the upper end of the fixed mold cooling cavity, butt joint pipe I (3) and the butt joint pipe II (9) are provided with butt joints, and the check valve II (11) is composed of a mounting cylinder, a valve seat, a valve plug and a support.

2. The injection mold circulating cooling apparatus according to claim 1, wherein: one end of the water pump (8) is connected with the check valve III (12).

3. The injection mold circulating cooling apparatus according to claim 1, wherein: sealing gaskets are arranged at the openings of the second check valve (11) and the third check valve (12).

4. The injection mold circulating cooling apparatus according to claim 1, wherein: the water tank (1) is connected with the movable mould cooling cavity (6) through a first check valve (7), and the first check valve (7) and a third check valve (12) are identical in structure with the first check valve (7).

5. The injection mold circulating cooling apparatus according to claim 1, wherein: the valve seat of the second check valve (11) corresponds to the butt joint at the lower end of the butt joint pipe I (3).

6. The injection mold circulating cooling apparatus according to claim 1, wherein: the valve seat of the third check valve (12) corresponds to the upper end butt joint of the second butt joint pipe (9).