CN218310777U - A precision die-casting mold for a power adapter - Google Patents

Abstract

The utility model discloses a precision die-casting mold for a power adapter, which comprises an upper mold, a lower mold is movably installed on the bottom of the upper mold, and two L-shaped demoulding rods are movably installed on the top of the upper mold. The tops of the L-shaped demoulding rods are all fixedly equipped with a demoulding table, the top of the lower mold is fixedly equipped with a lower mold top plate, and the inside of the bottom of the upper mold is provided with a molding cavity. The utility model puts the material to be formed on the surface of the top plate of the lower mold, then places the upper mold on the surface of the lower mold, and presses the upper mold downward, so that the material to be formed is die-casted inside the molding cavity, and then the finished power adapter is produced shell. Through the cooperation of the upper mold and the lower mold, when the device is producing the power adapter shell, it needs to produce two power adapter shells, and the arc protrusions on the surface of the two power adapter shells are snapped into the inside of the arc slot, thus completing Installation of the power adapter.

Description

A precision die-casting mold for a power adapter

technical field

The utility model relates to the technical field of power adapter die-casting molds, in particular to a precision die-casting mold for power adapters.

Background technique

The use of power adapters has become one of the common items in people's daily life. Power adapters are power supply conversion equipment for small portable electronic devices and electronic appliances. Composition, its working principle is converted from AC input to DC output; according to the connection method, it can be divided into wall-plug type and desktop type. It is widely used in security cameras, set-top boxes, routers, light strips, massagers and other equipment, and the shell of the power adapter is usually made by die-casting mold.

However, when the die-casting mold of the existing power adapter is used, the subsequent processing is often inconvenient due to the entire die-casting of the power adapter, and the molded finished product is difficult to demould inside the mould, which often causes damage to the shell; therefore , does not meet the existing needs, and we propose a precision die-casting mold for power adapters.

Utility model content

The purpose of this utility model is to provide a precision die-casting mold for a power adapter to solve the problem that the die-casting mold for a power adapter proposed in the above-mentioned background technology often causes subsequent processing inconvenience due to the entire die-casting of the power adapter when it is in use, and the molding The finished product is difficult to demould inside the mold, and demoulding often causes problems such as damage to the shell.

In order to achieve the above purpose, the utility model provides the following technical solutions: a precision die-casting mold for a power adapter, including an upper mold, the bottom of the upper mold is movably installed with a lower mold, and the top of the upper mold is movably installed with two L-shaped demoulding rod, the top of the L-shaped demoulding rod is fixedly equipped with a demoulding table, the top of the lower mold is fixedly installed with a lower mold top plate, and the bottom of the upper mold is provided with a molding cavity.

Preferably, the top plate of the lower mold is movably snapped into the molding cavity, and the inner surface of the molding cavity is provided with two inner arc grooves of the upper mold.

Preferably, the top surface of the upper mold is provided with two L-shaped movable grooves, and the L-shaped demoulding rods are all movably snapped into the inside of the L-shaped movable grooves, and the bottom surfaces of the L-shaped demoulding rods are all fixed Installed with an inner arc buckle of the upper mold.

Preferably, a power adapter housing is movably installed inside the molding cavity, arc slots are provided on both sides of the power adapter housing, and arc protrusions are fixedly installed on both sides of the power adapter housing , the other two sides of the power adapter housing are provided with wire slots.

Preferably, the arc protrusions are all movably snapped into the inner arc groove of the upper mould, the arc buckles in the upper mould are all movably snapped into the arc snap groove, and the arc bulges are all movably snapped into The inside of the arc slot.

Preferably, the bottom surface of the stripping table is provided with a compression spring, and the top surface of the compression spring is welded to the bottom surface of the stripping table, and the bottom surface of the L-shaped stripping rod is connected to the bottom surface of the stripping table. The top surface of the power adapter housing is attached.

Preferably, the top surface of the top plate of the lower mold is in contact with the bottom surface of the power adapter housing.

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

1. The utility model places the material to be formed on the surface of the top plate of the lower mold, then places the upper mold on the surface of the lower mold, and presses the upper mold downward, so that the material to be formed is die-casted inside the molding cavity, and then the finished product is produced Power adapter housing. Through the cooperation of the upper mold and the lower mold, when the device is producing the power adapter housing, two power adapter housings need to be produced, and the arc protrusions on the surface of the two power adapter housings are snapped into the inside of the arc slot, thus completing Installation of the power adapter;

2. Through the cooperation of the L-shaped demoulding rod and the compression spring, the utility model makes the device take out the lower mold from the bottom of the upper mold after die-casting the power adapter shell, and then press the demoulding table downward to make the L-shaped The demoulding rod presses down the power adapter shell along the inside of the L-shaped movable groove, so that the power adapter shell falls out from the inside of the molding cavity, thereby completing the demoulding of the power adapter shell. At this time, the inner arc of the upper mold The buckle will snap into the inside of the arc slot, so that when the power adapter shell is demoulded, the arc protrusion on the surface of the power adapter shell will not be deformed or bent due to uneven force, which is convenient for the device to demould the power adapter shell deal with.

Description of drawings

Fig. 1 is the structural representation of the utility model die-casting die;

Fig. 2 is a structural schematic diagram of the power adapter shell of the present invention;

Fig. 3 is the sectional front view of the position of the L-shaped demoulding rod of the utility model;

Fig. 4 is a sectional front view of the position of the compression spring of the present invention.

In the figure: 1. Upper mold; 2. Lower mold; 3. L-shaped demoulding rod; 4. Demoulding table; 5. Power adapter shell; 6. Arc bump; 7. Arc slot; 8. Wire Card slot; 9. Top plate of lower mold; 10. Inner arc groove of upper mold; 11. Inner arc buckle of upper mold; 12. Forming cavity; 13. Compression spring; 14. L-shaped movable groove.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Please refer to Figure 1 to Figure 4, an embodiment provided by the utility model: a precision die-casting mold for a power adapter, including an upper mold 1, a lower mold 2 is movably installed on the bottom of the upper mold 1, and the top of the upper mold 1 Two L-shaped demoulding rods 3 are movably installed, and the top of the L-shaped demoulding rods 3 is fixedly equipped with a demoulding table 4, and the top of the lower mold 2 is fixedly installed with a lower mold top plate 9, and the bottom of the upper mold 1 is equipped with a Forming cavity 12 is arranged.

Further, the top plate 9 of the lower mold is movably snapped into the inside of the molding cavity 12, and the inner surface of the molding cavity 12 is provided with two inner arc grooves 10 of the upper mold.

By adopting the above technical solution, the power adapter housing 5 is limited by the lower mold top plate 9 to prevent the power adapter housing 5 from spreading around during molding, resulting in the output of defective products.

Further, the top surface of the upper mold 1 is provided with two L-shaped movable grooves 14, and the L-shaped demoulding rods 3 are all movably snapped into the inside of the L-shaped movable grooves 14, and the bottom surface of the L-shaped demoulding rods 3 is fixedly installed with The inner arc buckle 11 of the upper mold and the bottom surface of the demoulding table 4 are provided with a compression spring 13, the top surface of the compression spring 13 is welded to the bottom surface of the demoulding table 4, and the bottom of the L-shaped demoulding rod 3 The end surfaces are all attached to the top surface of the power adapter housing 5 .

By adopting the above technical scheme, through the cooperation of the L-shaped demoulding rod 3 and the compression spring 13, after the power adapter housing 5 is die-casted, the lower mold 2 is first taken out from the bottom of the upper mold 1, and then pressed downward to release The mold table 4 is used to make the L-shaped demoulding rod 3 press down the power adapter shell 5 along the inside of the L-shaped movable groove 14, so that the power adapter shell 5 falls out from the inside of the molding cavity 12, thereby completing the power adapter. The demoulding of the shell 5, at this time, the arc buckle 11 in the upper mold will snap into the inside of the arc slot 7, so that when the power adapter shell 5 is demoulded, the arc protrusion 6 on the surface of the power adapter shell 5 will not be affected by the force. The deformation or bending due to uneven force is convenient for the device to perform demoulding treatment on the power adapter shell 5 .

Further, the inside of the molding cavity 12 is movably installed with a power adapter housing 5, and both sides of the power adapter housing 5 are provided with circular arc slots 7, and both sides of the power adapter housing 5 are fixedly equipped with arc protrusions 6, The other two sides of the power adapter housing 5 are provided with wire slots 8 .

By adopting the above technical scheme and through the cooperation of the upper mold 1 and the lower mold 2, when the device is producing the power adapter housing 5, two power adapter housings 5 need to be produced, and the arc protrusions 6 on the surface of the two power adapter housings 5 All snap into the inside of the arc slot 7, thereby completing the installation of the power adapter, so that the power adapter shell 5 can be easily separated during subsequent processing of the device, so as to process its interior.

Further, the arc protrusions 6 are all movably inserted into the inner arc groove 10 of the mold, the inner arc buckles 11 of the upper mold are all movably inserted into the arc slot 7, and the arc protrusions 6 are all movably inserted into the arc Inside of card slot 7.

Further, the top surface of the lower mold top plate 9 is in contact with the bottom surface of the power adapter housing 5 .

When in use, place the device at a designated location to check whether each part is working normally. By placing the material to be formed on the surface of the top plate 9 of the lower mold, then placing the upper mold 1 on the surface of the lower mold 2, and pressing the upper mold 1 downward, so that The material to be molded is die-casted inside the molding cavity 12 , and then the finished power adapter housing 5 is produced. Through the cooperation of the upper mold 1 and the lower mold 2, when the device is producing the power adapter housing 5, two power adapter housings 5 need to be produced, and the arc protrusions 6 on the surface of the two power adapter housings 5 are snapped into the arc clips. slot 7 to complete the installation of the power adapter.

Through the cooperation of the L-shaped demoulding rod 3 and the compression spring 13, after the power adapter housing 5 is die-casted, the lower mold 2 is first taken out from the bottom of the upper mold 1, and then the demoulding table 4 is pressed down to make the L The demoulding rod 3 presses the power adapter housing 5 downward along the inside of the L-shaped movable groove 14, so that the power adapter housing 5 falls downward from the inside of the molding cavity 12, thereby completing the demoulding of the power adapter housing 5. At this time, the inner arc buckle 11 of the upper mold will snap into the inside of the arc slot 7, so that when the power adapter shell 5 is demoulded, the arc protrusion 6 on the surface of the power adapter shell 5 will not be deformed or deformed due to uneven force. Bending is convenient for the device to perform demoulding treatment on the power adapter shell 5 .

It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a power adapter's accurate die casting die, includes mould (1), its characterized in that: the bottom movable mounting who goes up mould (1) has bed die (2), the top movable mounting who goes up mould (1) has two L type ejector pin (3), the equal fixed mounting in top of L type ejector pin (3) has drawing of patterns platform (4), the top fixed mounting of bed die (2) has bed die roof (9), the inside shaping chamber (12) that is equipped with in bottom of going up mould (1).

2. The precision die-casting die for the power adapter as recited in claim 1, wherein: the lower die top plate (9) is movably clamped into the forming cavity (12), and two upper die inner arc grooves (10) are formed in the inner surface of the forming cavity (12).

3. The precision die-casting die for the power adapter as recited in claim 1, wherein: the top surface of going up mould (1) is equipped with two L type activity grooves (14), the inside in L type activity groove (14) is gone into to all activity card in L type ejector tie rod (3), the equal fixed mounting in bottom surface of L type ejector tie rod (3) has interior circular arc of last mould to detain (11).

4. The precision die-casting die for the power adapter as claimed in claim 3, wherein: the inside movable mounting that becomes die cavity (12) has power adapter shell (5), the both sides surface of power adapter shell (5) all is equipped with circular arc draw-in groove (7), the equal fixed mounting in both sides surface of power adapter shell (5) has circular arc lug (6), the other both sides surface of power adapter shell (5) all is equipped with wire clamping groove (8).

5. The precise die-casting die for the power adapter as claimed in claim 4, characterized in that: the arc-shaped lug (6) is movably clamped inside the inner arc groove (10) of the mold, the inner arc buckle (11) of the upper mold is movably clamped inside the arc clamping groove (7), and the arc-shaped lug (6) is movably clamped inside the arc clamping groove (7).

6. The precise die-casting die for the power adapter as claimed in claim 1, characterized in that: the bottom surface of drawing of patterns platform (4) all is equipped with compression spring (13), the top surface of compression spring (13) all with the bottom surface welded connection of drawing of patterns platform (4), the bottom surface of L type ejector pin (3) all laminates with the top surface of power adapter shell (5).

7. The precision die-casting die for the power adapter as recited in claim 1, wherein: the top end surface of the lower die top plate (9) is attached to the bottom end surface of the power adapter shell (5).

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