CN220904031U - Household electrical appliances shell plastic mold - Google Patents

Abstract

The utility model discloses a plastic mold for a household appliance shell, which belongs to the technical field of molds and particularly relates to a plastic mold for a household appliance shell, comprising a support frame, wherein a bottom plate is arranged below the support frame, a fixed mold is arranged in the middle of the upper wall of the bottom plate, a movable mold is arranged above the fixed mold, an air cylinder is arranged between the movable mold and the middle of the lower wall of the support frame, the telescopic end of the air cylinder is fixedly connected with the surface of the upper wall of the movable mold, an injection molding pipe is arranged in the movable mold, injection molding cavities are arranged in the movable mold and the fixed mold, cooling cavities are arranged in the movable mold and the fixed mold, a cold water tank is arranged on the left side above the support frame, and cold water can be quickly transferred into the cooling cavities through the joint cooperation of a water pump, the cold water tank, two three-way pipes, the fixed mold and a cooling cavity in the movable mold after the movable mold and the product in the fixed mold are molded, the cold water can be quickly cooled, the demoulding is convenient, and the demoulding efficiency is improved.

Description

Household electrical appliances shell plastic mold

Technical Field

The utility model relates to the technical field of molds, in particular to a plastic mold for a household appliance shell.

Background

In industrial production, various moulds and tools are used for injection moulding, blow moulding, extrusion, die casting or forging, smelting, stamping and the like to obtain the required products, in short, the mould is a tool for manufacturing shaped articles, the tool is composed of various parts, and different moulds are composed of different parts. The processing of the appearance of the article is realized mainly by changing the physical state of the formed material. The term "industrial mother" is used.

At present, a die for manufacturing a plastic housing of a household appliance is simple in structure, and products after injection molding cannot be quickly cooled, so that demolding efficiency is low;

therefore, a novel plastic mold for the housing of the household appliance is now proposed to solve the problems.

Disclosure of utility model

The utility model aims to provide a plastic mold for a household appliance shell, which solves the problems that the mold for manufacturing the household appliance shell is simple in structure, and can not quickly cool the injection molded product, so that the demolding efficiency is low at present.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a household electrical appliances shell plastic mold, includes the support frame, the support frame below is provided with the bottom plate, bottom plate upper wall middle part is provided with the cover half, the cover half top is provided with the movable mould, be provided with the cylinder between movable mould and the support frame lower wall middle part, the flexible end and the movable mould upper wall surface of cylinder are fixed connection, the movable mould inside is provided with the pipe of moulding plastics, the movable mould all is provided with the chamber of moulding plastics with the cover half inside, movable mould and the inside cooling chamber that all is provided with of cover half, support frame top left side is provided with the cold water tank, support frame top right side is provided with the water pump, be provided with hydrologic cycle subassembly between water pump, cold water tank's left wall delivery port and the import of water pump all are connected with the tee bend.

Preferably, the water circulation assembly comprises a first water pumping pipe, a second water pumping pipe, a first water draining pipe, a second water draining pipe and a third water draining pipe, the left side of the three-way pipe is communicated with the second water draining pipe and the third water draining pipe, the right side of the three-way pipe is communicated with the first water pumping pipe and the second water pumping pipe, the lower ends of the first water pumping pipe and the third water draining pipe are communicated with a cooling cavity in the movable mold, and the lower ends of the second water pumping pipe and the second water draining pipe are communicated with the cooling cavity in the fixed mold.

Preferably, the right side the tee pipe is connected with the inlet of water pump, the right-hand member of first drain pipe is connected with the export of water pump, the inlet channel is installed to the junction of first drain pipe and cold water tank, the left end of first drain pipe is linked together with the inlet channel.

Preferably, the outer wall surfaces of the support frame and the bottom plate are both sprayed with a corrosion-resistant layer, and the lower wall surface of the bottom plate is provided with anti-skid grains.

Preferably, the four corners of the upper wall of the fixed die are provided with positioning pin holes, the four corners of the lower wall of the movable die are provided with positioning pins, and the positioning pins are matched with the positioning pin holes.

Compared with the prior art, the utility model has the beneficial effects that: through the cooperation jointly between water pump, cold water tank, two three-way pipes and cover half, the inside cooling chamber of movable mould between the hydrologic cycle subassembly, after movable mould and the inside product shaping of cover half, can be fast with cold water transfer to the cooling intracavity portion, cold water carries out quick cooling to the fashioned product, makes things convenient for the drawing of patterns, has improved the efficiency of drawing of patterns.

Drawings

FIG. 1 is a schematic diagram of the front structure of the present utility model;

FIG. 2 is a schematic diagram of the internal sectional structure of the moving mold and the fixed mold of the utility model;

Fig. 3 is a schematic perspective view of a three-way pipe according to the present utility model.

In the figure: 1. a support frame; 2. a bottom plate; 3. a cylinder; 4. a movable mold; 5. a fixed mold; 6. injection molding a tube; 7. a cold water tank; 8. a water inlet pipe; 9. a water pump; 10. a second water suction pipe; 11. a first water suction pipe; 12. a first drain pipe; 13. a second drain pipe; 14. a third drain pipe; 15. a cooling chamber; 16. an injection cavity; 17. a three-way pipe.

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.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements 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 utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; 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 above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a household electrical appliances shell plastic mold, includes support frame 1, support frame 1 below is provided with bottom plate 2, bottom plate 2 upper wall middle part is provided with cover half 5, cover half 5 top is provided with movable mould 4, be provided with cylinder 3 between movable mould 4 and the support frame 1 lower wall middle part, the flexible end and the movable mould 4 upper wall surface of cylinder 3 are individual fixed connection, the inside injection tube 6 that is provided with of movable mould 4, movable mould 4 and cover half 5 are inside all to be provided with injection cavity 16, movable mould 4 and cover half 5 are inside all to be provided with cooling chamber 15, support frame 1 top left side is provided with cold water tank 7, support frame 1 top right side is provided with water pump 9, be provided with the hydrologic cycle subassembly between water pump 9, cold water tank 7's left wall delivery port and the import of water pump 9 all are connected with three-way pipe 17, installs the solenoid valve between the main pipe and the cold water tank 7 left wall delivery port of left three-way pipe 17, can control the inside outflow of cold water tank 7.

The water circulation assembly comprises a first water suction pipe 11, a second water suction pipe 10, a first water discharge pipe 12, a second water discharge pipe 13 and a third water discharge pipe 14, wherein the left end of the three-way pipe 17 is communicated with the second water discharge pipe 13 and the third water discharge pipe 14, the right end of the three-way pipe 17 is communicated with the first water suction pipe 11 and the second water suction pipe 10, the lower ends of the first water suction pipe 11 and the third water discharge pipe 14 are communicated with a cooling cavity 15 inside a movable die 4, the lower ends of the second water suction pipe 10 and the second water discharge pipe 13 are communicated with the cooling cavity 15 inside a fixed die 5, the right end of the three-way pipe 17 is connected with an inlet of a water pump 9, the joint of the first water discharge pipe 12 and a cold water tank 7 is provided with a water inlet pipe 8, the left end of the first water discharge pipe 12 is communicated with the water inlet pipe 8, the outer wall surfaces of the support frame 1 and the bottom plate 2 are provided with corrosion resistant layers, the lower wall surfaces of the bottom plate 2 are provided with anti-sliding lines, the four positioning pins are arranged on the lower wall surfaces of the bottom plate 2, the four positioning pins are provided with positioning pins, and the positioning pins are arranged on the four positioning pins are arranged on the positioning pins and are matched with the positioning pins.

Working principle: injection molding cavity 16 in injection molding pipe 6 injection molding 5 and movable mould 4 with plastics after the hot melt, open the export of cold water tank 7 after the product shaping, cold water is passed through left three-way pipe 17 and is transmitted to second drain pipe 13 and the inside of third drain pipe 14, afterwards cold water is poured into respectively in the cooling chamber 15 of movable mould 4, the inside of fixed mould 5, after a large amount of heat is absorbed to these cold water, start water pump 9, water pump 9 is taken out the water in the cooling chamber 15 of movable mould 4 and the inside of fixed mould 5 through three-way pipe 17 on the right side, the water of taking out is transmitted to cooling tank 7 inside again and is cooled down, the continuous entering cooling chamber 15 of cold water cools down the product, the product can be demolded after the rapid cooling.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but 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.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (5)

1. The utility model provides a household electrical appliances shell plastic mold, includes support frame (1), its characterized in that: the novel cold water cooling device is characterized in that a bottom plate (2) is arranged below the support frame (1), a fixed die (5) is arranged in the middle of the upper wall of the bottom plate (2), a movable die (4) is arranged above the fixed die (5), a cylinder (3) is arranged between the movable die (4) and the middle of the lower wall of the support frame (1), the telescopic end of the cylinder (3) is fixedly connected with the surface of the upper wall of the movable die (4), an injection molding pipe (6) is arranged inside the movable die (4), injection molding cavities (16) are formed inside the movable die (4) and the fixed die (5), cooling cavities (15) are formed inside the movable die (4) and the fixed die (5), a cold water tank (7) is arranged on the left side above the support frame (1), a water pump (9) is arranged on the right side of the upper side of the support frame, a water circulation assembly is arranged between the water pump (9), the cold water tank (7) and the cooling cavities (15), and inlets of left wall water outlets of the cold water tank (7) and the water pump (9) are connected with a three-way pipe (17).

2. The household appliance housing plastic mold of claim 1, wherein: the water circulation assembly comprises a first water pumping pipe (11), a second water pumping pipe (10), a first water draining pipe (12), a second water draining pipe (13) and a third water draining pipe (14), wherein the left three-way pipe (17) is communicated with the second water draining pipe (13) and the third water draining pipe (14), the right three-way pipe (17) is communicated with the first water pumping pipe (11) and the second water pumping pipe (10), the lower ends of the first water pumping pipe (11) and the third water draining pipe (14) are communicated with a cooling cavity (15) inside the movable mould (4), and the lower ends of the second water pumping pipe (10) and the second water draining pipe (13) are communicated with the cooling cavity (15) inside the fixed mould (5).

3. The household appliance housing plastic mold of claim 2, wherein: the right side tee pipe (17) is connected with the import of water pump (9), the right-hand member of first drain pipe (12) is connected with the export of water pump (9), inlet channel (8) are installed in the junction of first drain pipe (12) and cold water tank (7), the left end of first drain pipe (12) is linked together with inlet channel (8).

4. The household appliance housing plastic mold of claim 1, wherein: the anti-skid floor is characterized in that the outer wall surfaces of the support frame (1) and the bottom plate (2) are both coated with an anti-corrosion layer, and anti-skid lines are formed in the lower wall surface of the bottom plate (2).

5. The household appliance housing plastic mold of claim 1, wherein: positioning pin holes are formed in four corners of the upper wall of the fixed die (5), positioning pins are arranged in four corners of the lower wall of the movable die (4), and the positioning pins are matched with the positioning pin holes.