CN219968691U

CN219968691U - Upper and lower shell forming die of power adapter

Info

Publication number: CN219968691U
Application number: CN202321665316.3U
Authority: CN
Inventors: 旷建军
Original assignee: Dongguan Meiyu Electronic Technology Co ltd
Current assignee: Dongguan Meiyu Electronic Technology Co ltd
Priority date: 2023-06-28
Filing date: 2023-06-28
Publication date: 2023-11-07
Anticipated expiration: 2033-06-28

Abstract

The utility model relates to the technical field of dies, in particular to a power adapter upper and lower shell forming die which comprises a front die holder and a rear die holder, wherein the front die holder is detachably connected with the rear die holder, the front die holder consists of a panel, a front template and a front die core, the rear die holder comprises a bottom plate, a lower ejector pin plate, an upper ejector pin plate, square irons, a rear template and a rear die core, two square irons are arranged, the upper end surface and the lower end surface of the two square irons are respectively and fixedly connected with the rear template and the bottom plate, and an upper shell injection cavity and a lower shell injection cavity for forming the upper and lower shells of the power adapter are formed between the front die core and the rear die core when the front die holder and the rear die holder are matched, and the upper shell injection cavity and the lower shell injection cavity are connected through a connecting cavity. The utility model has the advantages of simple structure, reasonable design and low manufacturing cost, and can mold the upper shell and the lower shell of the power adapter in a set of mold, and simultaneously can also mold the upper shell and the lower shell of the power adapter.

Description

Upper and lower shell forming die of power adapter

Technical Field

The utility model relates to the technical field of dies, in particular to a power adapter upper and lower shell forming die.

Background

The power adapter is a power supply conversion device of small portable electronic equipment and electronic appliances, and generally consists of a shell, a power transformer and a rectifying circuit, and can be divided into an alternating current output type and a direct current output type according to the output type; the connection mode can be divided into wall-inserted type and desktop type, and can be widely matched with the equipment such as a telephone mother-son machine, a game machine, a language repeater, a walkman, a notebook computer, a cellular phone and the like.

Existing power adapters include internal electronics, shielding plates, and power adapter housings. The shielding plate and the internal electronic component are arranged in the power adapter shell, wherein the power adapter shell is composed of an upper power adapter shell and a lower power adapter shell, in the actual production process, two sets of injection molds are designed for injection molding respectively, however, the two sets of molds can lead to high processing and manufacturing cost, in order to reduce the cost, the upper power adapter shell and the lower power adapter shell are respectively molded in the same set of molds in a two-cavity design mode, and as is well known, the upper power adapter shell and the lower power adapter shell are different in structure and cannot realize synchronous demolding, and the molded product cannot be taken away by being matched with a manipulator, so that two sets of demolding structures are required to be added in the mold design process, the mold structure is more complex, and the manufacturing cost is higher. In view of the above, the applicant has improved the power adapter upper and lower shell forming die to make it meet the market demand.

Disclosure of Invention

The utility model aims to provide a power adapter upper and lower shell forming die which has the advantages of simple structure, reasonable design and low manufacturing cost, and can form the power adapter upper and lower shells in one set of die, and simultaneously can perform demoulding on the power adapter upper and lower shells, thereby solving the problems raised by the technical background.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a power adapter upper and lower shell forming die, this power adapter upper and lower shell forming die includes front die base and back die holder, front die base and back die base can dismantle the connection, and the front die base comprises panel, preceding template and preceding mold core, and wherein the up end at the front die board is installed to the panel, and preceding mold core embedding is installed at the lower terminal surface of front die board, the back die base includes bottom plate, lower ejector pin board, goes up ejector iron, rear mould board and back mold core, and wherein the square iron is provided with two, two the upper and lower both ends face of square iron respectively with back template and bottom plate fixed connection to form a cavity structure that both ends have the open-ended, lower ejector pin board and last ejector pin board set up in this cavity, and the below position of last ejector pin board down, the up end at the back mold board is installed in the back mold core embedding, when current die base and back die base compound die, be formed with the upper shell die cavity and the lower shell die cavity that is used for shaping power adapter between front mold core and back mold core, the upper shell injection molding cavity and lower shell injection molding cavity are connected through the connection.

Preferably, the power adapter upper and lower shell forming die further comprises a feeding nozzle, the feeding nozzle is embedded and arranged on the panel, and the feeding nozzle sequentially penetrates through the panel, the front template and the front mold core from top to bottom and then is communicated with the connecting cavity.

Preferably, the four sides of the front template are provided with mode locking grooves, the rear template is provided with mode locking convex blocks matched with the mode locking grooves, and the front template and the rear template are respectively provided with a water inlet and a water outlet.

Preferably, the rear die holder further comprises four guide posts, the four guide posts are fixedly arranged at four corners of the rear die plate, and when the front die holder and the rear die holder are matched, the guide posts are spliced with the front die plate.

Preferably, the lower ejector plate is provided with an ejector pin, and one end of the ejector pin, which is far away from the lower ejector plate, penetrates through the upper ejector plate, the rear template and the rear mold core from bottom to top and then extends into the connecting cavity.

Preferably, the thimble is an inclined thimble, and an included angle is formed between the thimble and the horizontal plane, and the included angle has an angle value of 5-15 degrees.

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

1. the utility model provides a power adapter upper and lower shell forming die which comprises a front die holder and a rear die holder, wherein the front die holder consists of a panel, a front die plate and a front die core, the rear die holder consists of a bottom plate, a lower ejector plate, an upper ejector plate, square iron, a rear die plate and a rear die core.

Drawings

FIG. 1 is an overall block diagram of the present utility model;

FIG. 2 is a block diagram of a front die holder of the present utility model;

FIG. 3 is a block diagram of a rear die holder of the present utility model;

FIG. 4 is a cross-sectional view of A-A of FIG. 1 in accordance with the present utility model;

FIG. 5 is a cross-sectional view of B-B of FIG. 1 in accordance with the present utility model;

FIG. 6 is a schematic view of the structure of the upper housing of the power adapter of the present utility model;

fig. 7 is a schematic view of the structure of the lower housing of the power adapter of the present utility model.

Reference numerals and names in the drawings are as follows:

1. a front die holder; 11. a panel; 12. a front template; 13. a front mold core; 14. a mold locking groove; 2. a rear die holder; 21. a bottom plate; 22. a lower ejector plate; 23. an upper ejector plate; 24. square iron; 25. a rear template; 26. a rear mold core; 27. a mold locking lug; 28. a guide post; 29. a thimble; 3. an upper shell injection molding cavity; 4. a lower shell injection molding cavity; 5. a connecting cavity; 6. a feed nozzle; 7. a water inlet; 8. and a water outlet.

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.

Referring to fig. 1 to 7, an embodiment of the present utility model provides: the power adapter upper and lower shell forming die comprises a front die holder 1 and a rear die holder 2, wherein the front die holder 1 is detachably connected with the rear die holder 2.

The front die holder 1 is composed of a panel 11, a front die plate 12 and a front die core 13, wherein the panel 11 is arranged on the upper end face of the front die plate 12, the front die core 13 is embedded and arranged on the lower end face of the front die plate 12, and die locking grooves 14 are formed in four sides of the front die plate 12.

The rear die holder 2 comprises a bottom plate 21, a lower ejector plate 22, an upper ejector plate 23, square irons 24, a rear die plate 25 and a rear die core 26, wherein the square irons 24 are provided with two, the upper end face and the lower end face of the square irons 24 are respectively fixedly connected with the rear die plate 25 and the bottom plate 21, a cavity structure with openings at two ends is formed, the lower ejector plate 22 and the upper ejector plate 23 are arranged in the cavity, the lower ejector plate 22 is positioned below the upper ejector plate 23, the rear die core 26 is embedded and installed on the upper end face of the rear die plate 25, the rear die plate 25 is provided with four die locking lugs 27 matched with the die locking grooves 14, the rear die holder 2 further comprises guide posts 28, the guide posts 28 are provided with four, the four guide posts 8 are fixedly installed at four corners of the rear die plate 25, and when the front die holder 1 and the rear die holder 2 are clamped, the die locking lugs 27 and the die locking grooves 14 can be correspondingly clamped, quick die clamping can be realized through the die locking lugs 27 and the die locking grooves 14, and the guide posts 28 and the front die holder 12 can be connected with the front die holder 1 in a detachable mode.

When the front die holder 1 and the rear die holder 2 are assembled, an upper shell injection molding cavity 3 and a lower shell injection molding cavity 4 for molding upper and lower shells of a power adapter are formed between the front die core 13 and the rear die core 26, the upper shell injection molding cavity 3 and the lower shell injection molding cavity 4 are connected through a connecting cavity 5, the power adapter upper and lower shell molding die further comprises a feeding nozzle 6, the feeding nozzle 6 is embedded and installed on the panel 11, and the feeding nozzle 6 sequentially penetrates through the panel 11, the front die plate 12 and the front die core 13 from top to bottom and then is communicated with the connecting cavity 5.

Specifically, the front template 12 and the rear template 25 are provided with a water inlet 7 and a water outlet 8, and the water inlet 7 and the water outlet 8 are communicated with water cooling systems in the front template 12 and the rear template 25, so that the rapid cooling of the upper and lower shell forming dies of the power adapter is realized.

Specifically, the lower ejector plate 22 is provided with an ejector pin 29, one end of the ejector pin 29 away from the lower ejector plate 22 penetrates through the upper ejector plate 23, the rear mold plate 25 and the rear mold core 26 from bottom to top, and then extends into the connecting cavity 5, and in this embodiment, the ejector pin 29 is an oblique ejector, and forms an included angle with a horizontal plane, and the included angle value is 5 ° -15 °.

In summary, when the power adapter upper and lower shell molding die disclosed by the utility model works, the front die holder 1 and the rear die holder 2 are respectively fixed on an injection molding machine, the die is closed, the guide post 28 on the rear die holder 2 is spliced with the front die plate 12, meanwhile, the die locking lug 27 on the rear die holder 2 is correspondingly clamped with the die locking groove 14 on the front die holder 1, the die closing is completed, then, molten plastic raw materials are injected into the feeding nozzle 6, the plastic raw materials respectively enter the upper shell injection molding cavity 3 and the lower shell injection molding cavity 4 through the connecting cavity 5, and the upper shell and the lower shell of the power adapter shown in fig. 6 and 7 are respectively molded, and during demolding, the ejector pins 29 eject products at the connecting cavity 5, so that the products in the upper shell injection molding cavity 3 and the lower shell injection molding cavity 4 can be ejected out.

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 a power adapter upper and lower shell forming die which characterized in that: the injection molding machine comprises a front mold base (1) and a rear mold base (2), wherein the front mold base (1) is detachably connected with the rear mold base (2), the front mold base (1) is composed of a panel (11), a front mold plate (12) and a front mold core (13), the panel (11) is arranged on the upper end face of the front mold plate (12), the front mold core (13) is embedded and arranged on the lower end face of the front mold plate (12), the rear mold base (2) comprises a bottom plate (21), a lower ejector pin plate (22), an upper ejector pin plate (23), a square iron (24), a rear mold plate (25) and a rear mold core (26), wherein the square iron (24) is provided with two, the upper end face and the lower end face of the square iron (24) are respectively fixedly connected with the rear mold plate (25) and the bottom plate (21), a cavity structure with openings at two ends is formed, the lower ejector pin plate (22) and the upper ejector pin plate (23) are arranged in the cavity, the lower ejector pin plate (23) is arranged at the lower position of the upper mold plate (23), the rear mold base (26) is embedded and arranged on the upper end face of the rear mold plate (22), the upper end face (25) and the upper mold base (25) is arranged between the front mold base (2) and the upper mold base (4) and the lower mold core (3) and the front mold base (4), the upper shell injection molding cavity (3) and the lower shell injection molding cavity (4) are connected through a connecting cavity (5).

2. The power adapter upper and lower case forming die according to claim 1, wherein: the feeding device further comprises a feeding nozzle (6), the feeding nozzle (6) is embedded and mounted on the panel (11), and the feeding nozzle (6) sequentially penetrates through the panel (11), the front template (12) and the front mold core (13) from top to bottom and then is communicated with the connecting cavity (5).

3. The power adapter upper and lower case forming die according to claim 1, wherein: the four sides of front template (12) are provided with mode locking recess (14), be provided with on back template (25) with mode locking lug (27) of mode locking recess (14) looks adaptation, water inlet (7) and delivery port (8) have all been seted up on front template (12) and back template (25).

4. The power adapter upper and lower case forming die according to claim 1, wherein: the rear die holder (2) further comprises guide posts (28), the four guide posts (28) are arranged, the four guide posts (28) are fixedly arranged at four corners of the rear die plate (25), and when the front die holder (1) and the rear die holder (2) are assembled, the guide posts (28) are spliced with the front die plate (12).

5. The power adapter upper and lower case forming die according to claim 1, wherein: the lower ejector plate (22) is provided with an ejector pin (29), and one end, far away from the lower ejector plate (22), of the ejector pin (29) penetrates through the upper ejector plate (23), the rear template (25) and the rear mold core (26) from bottom to top and then extends into the connecting cavity (5).

6. The power adapter upper and lower case forming die according to claim 5, wherein: the thimble (29) is an inclined thimble, and forms an included angle with the horizontal plane, and the value of the included angle is 5-15 degrees.