CN221454298U

CN221454298U - Die casting die convenient to drawing of patterns

Info

Publication number: CN221454298U
Application number: CN202323092268.6U
Authority: CN
Inventors: 王理鹏; 韩明超; 王霄
Original assignee: Fukang Hardware Tools Co ltd Hedong District Linyi City
Current assignee: Fukang Hardware Tools Co ltd Hedong District Linyi City
Priority date: 2023-11-16
Filing date: 2023-11-16
Publication date: 2024-08-02
Anticipated expiration: 2033-11-16

Abstract

The utility model discloses a die-casting die convenient to demolding, which comprises an upper die, a lower die and a base, wherein a through hole I is formed in the periphery of the upper die, a plurality of vertically arranged clamping teeth I are arranged in the through hole I, a through hole II is formed in the periphery of the lower die, a clamping tooth II is arranged at the inner bottom of the through hole II, a die cavity is formed in the bottom of the upper die and the upper portion of the lower die, and a through hole is formed in the middle of the die cavity of the lower die. Compared with the prior art, the utility model has the beneficial effects that: in the downward movement process of the upper die, the clamping tooth I is clamped in the bayonet, the limiting shaft and the top plate are driven to move upwards in the upward movement process of the upper die, and the upper end of the ejector pin pushes the molded product in the die cavity upwards to timely demould, so that the demould efficiency is improved.

Description

Die casting die convenient to drawing of patterns

Technical Field

The utility model relates to the technical field of casting processing, in particular to a die casting die convenient for demolding.

Background

Because the die casting manufacturing parts is relatively easy, the die casting is the most widely used one in various casting processes, in the process of the die casting process, molten metal is filled into a die cavity under high pressure, and a die casting product is obtained after cooling, so that the manufacturing of batch products is carried out, after the die casting is finished, a common die casting die moves and resets the upper side of the upper die, and then the die casting product in the lower die is demoulded through thimble extrusion, the demoulding process is relatively slow, the demoulding efficiency is low, and the production of batch products is not facilitated.

Disclosure of utility model

The utility model aims to provide a die-casting die convenient for demolding, which solves the defects of the prior art in the prior art, and the device is characterized in that a latch I is clamped in a bayonet in the downward movement process of an upper die, a limiting shaft and a top plate are driven to move upwards in the upward movement process of the upper die, and the upper end of a thimble pushes a molded product in a die cavity upwards to timely demold, so that the demolding efficiency is improved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the mold comprises an upper mold, a lower mold and a base, wherein a through hole I is formed in the periphery of the upper mold, a plurality of vertically arranged clamping teeth I are arranged in the through hole I, a lower mold is arranged on the lower side of the upper mold, a through hole II is formed in the periphery of the lower mold, a clamping tooth II is arranged at the bottom in the through hole II, a mold cavity is formed in the bottom of the upper mold and the upper portion of the lower mold, and a through hole is formed in the middle of the mold cavity located in the lower mold;

The lower die is provided with a base, a top plate is arranged between the lower die and the base, limiting shafts are arranged around the top plate, limiting plates are arranged on the inner sides of the limiting shafts, a plurality of clamping parts are arranged on the inner walls of the limiting shafts, clamping grooves I matched with the clamping parts are formed in the side walls of the limiting plates, and the limiting plates are clamped on the limiting shafts to do back-and-forth sliding movement;

The upper part is provided with a plurality of bayonet sockets with the I complex of latch in the limiting plate, the limiting plate lower part is provided with draw-in groove II, and latch II is located draw-in groove II.

Preferably, the middle part of the base is provided with a convex rib for supporting the lower die.

Preferably, the middle part of the top plate is provided with a thimble matched with the through hole, and the upper end of the thimble is positioned at the lower end surface of the lower die.

Preferably, the limiting shaft, the through hole I and the through hole II are in the same vertical direction.

Preferably, a pair of springs is arranged between the limiting shaft and the limiting plate.

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

1. The upper part is provided with a plurality of bayonets matched with the latch I in the limiting plate, so that the latch I is clamped in the bayonets in the downward moving process of the upper die.

2. The clamping tooth II is positioned in the clamping groove II, and when the clamping tooth II slides to the outer side of the clamping groove II along the upper end and the lower end of the clamping groove II, the clamping tooth II extrudes the limiting plate to slide in the limiting shaft, so that the bayonet is separated from the clamping of the clamping tooth I.

3. A pair of springs is arranged between the limiting shaft and the limiting plate, so that the limiting plate is elastically supported rightward, and the clamping tooth I is conveniently clamped in the bayonet.

Drawings

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

Fig. 2 is a schematic diagram of an explosive structure according to the present utility model.

FIG. 3 is a schematic bottom view of an explosive structure according to the present utility model.

Fig. 4 is a schematic view of a partial enlarged structure of the latch I of the present utility model.

Fig. 5 is a schematic view of the limiting shaft structure of the present utility model.

Fig. 6 is a schematic diagram of an explosion structure of the limiting shaft of the present utility model.

In the figure: 1. the upper die, 11, the through hole I, 12, the latch I, 2, the lower die, 21, the through hole II, 22, the latch II, 3, the die cavity, 4, the base, 41, the convex rib, 5, the top plate, 51, the limiting shaft, 511, the clamping part, 52, the limiting plate, 521, the clamping groove I, 522, the bayonet, 523, the clamping groove II, 53, the ejector pin, 54 and the spring.

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 6, the die casting mold convenient for demolding comprises an upper mold 1, a lower mold 2 and a base 4, wherein a through hole I11 is formed in the periphery of the upper mold 1, a plurality of vertically arranged clamping teeth I12 are arranged in the through hole I11, the upper side wall of the clamping teeth I12 is perpendicular to the side wall of the through hole I11, the lower side of the upper mold 1 is provided with the lower mold 2, a through hole II 21 is formed in the periphery of the lower mold 2, a clamping tooth II 22 is arranged at the bottom of the through hole II 21, a mold cavity 3 is formed in the bottom of the upper mold 1 and the upper part of the lower mold 2, and a through hole is formed in the middle of the mold cavity 3 positioned in the lower mold 2;

the lower side of the lower die 2 is provided with a base 4, a top plate 5 is arranged between the lower die 2 and the base 4, limiting shafts 51 are arranged around the top plate 5, limiting plates 52 are arranged on the inner sides of the limiting shafts 51, a plurality of clamping parts 511 are arranged on the inner walls of the limiting shafts 51, clamping grooves I521 matched with the clamping parts 511 are arranged on the side walls of the limiting plates 52, and the limiting plates 52 are clamped on the limiting shafts 51 to do sliding motion back and forth;

The upper middle portion of limiting plate 52 is provided with a plurality of bayonet sockets 522 with latch I12 complex, make last mould 1 downwardly moving in-process, latch I12 block is in bayonet socket 522, limiting plate 52 lower part is provided with draw-in groove II 523, draw-in groove II 523 upper and lower both ends are the slope form, and latch II 22 is located draw-in groove II 523, when latch II 22 slides to the draw-in groove II 523 outside along draw-in groove II 523 upper and lower both ends, latch II 22 extrudes limiting plate 52 and slides in spacing axle 51, make bayonet socket 522 break away from the block with latch I12.

The middle part of the base 4 is provided with a rib 41 for supporting the lower die 2.

The middle part of the top plate 5 is provided with a thimble 53 matched with the through hole, and the upper end of the thimble 53 is positioned at the lower end surface of the lower die 2.

The limiting shaft 51 is in the same vertical direction as the through-hole I11 and the through-hole II 21.

A pair of springs 54 is arranged between the limiting shaft 51 and the limiting plate 52, so that the limiting plate 52 is elastically supported rightward, and the latch I12 is conveniently clamped in the bayonet 522.

The application method of the utility model comprises the following steps:

When the die casting machine is used, in the die casting process, the die casting machine drives the upper die 1 to move downwards, the clamping tooth I12 is clamped in the clamping opening 522 until the upper die 1 is attached to the lower die 2, after molten metal is filled into the die cavity 3 to complete die casting, the die casting machine drives the upper die 1 to move upwards, the limiting plate 52 and the top plate 5 are driven to synchronously move upwards, the upper end of the ejector pin 53 extrudes a die casting product in the die cavity 3 upwards, so that the die casting product is separated from the die cavity 3 until the clamping tooth II 22 is separated from the clamping groove II 523 along the inclined surface of the lower end of the clamping groove II 523, the clamping tooth II 22 extrudes the limiting plate 52 into the clamping part 511, and the clamping tooth I12 is separated from the clamping opening 522, so that the top plate 5 is reset downwards.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions are considered to be within the scope of the present utility model.

Claims

1. The utility model provides a die casting die convenient to drawing of patterns, includes mould (1), lower mould (2) and base (4), its characterized in that, upward be provided with through-hole I (11) around mould (1), be provided with latch I (12) that a plurality of vertically was arranged in through-hole I (11), upward mould (1) downside is provided with lower mould (2), be provided with through-hole II (21) around lower mould (2), be provided with a latch II (22) in through-hole II (21), upward mould (1) bottom and lower mould (2) upper portion are provided with die cavity (3), are located the die cavity (3) middle part of lower mould (2) is provided with the through-hole;

The lower die is characterized in that a base (4) is arranged on the lower side of the lower die (2), a top plate (5) is arranged between the lower die (2) and the base (4), a limiting shaft (51) is arranged around the top plate (5), a limiting plate (52) is arranged on the inner side of the limiting shaft (51), a plurality of clamping parts (511) are arranged on the inner wall of the limiting shaft (51), clamping grooves I (521) matched with the clamping parts (511) are formed in the side wall of the limiting plate (52), and the limiting plate (52) is clamped on the limiting shaft (51) to do front-back sliding motion;

The upper middle part of the limiting plate (52) is provided with a plurality of bayonets (522) matched with the clamping teeth I (12), the lower part of the limiting plate (52) is provided with a clamping groove II (523), and the clamping teeth II (22) are positioned in the clamping groove II (523).

2. A die casting die for facilitating die release according to claim 1, characterized in that the middle part of the base (4) is provided with a convex rib (41) for supporting the lower die (2).

3. The die casting die convenient for demolding according to claim 1, wherein a thimble (53) matched with the through hole is arranged in the middle of the top plate (5), and the upper end of the thimble (53) is positioned at the lower end surface of the lower die (2).

4. A die casting die for facilitating demolding according to claim 1, wherein the limiting shaft (51) is in the same vertical direction as the through-hole i (11) and the through-hole ii (21).

5. A die casting die for facilitating demolding according to claim 1, wherein a pair of springs (54) is provided between the stopper shaft (51) and the stopper plate (52).