CN216705898U

CN216705898U - Die-casting die

Info

Publication number: CN216705898U
Application number: CN202123427479.1U
Authority: CN
Inventors: 王翠英; 李金健; 任恒昌
Original assignee: Huizhou Hongjin Industrial Co ltd
Current assignee: Huizhou Hongjin Industrial Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-10
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a die-casting die, comprising a die-casting die body, the die-casting die body comprises a base, a lower die assembly is arranged on the upper end surface of the base, and an ejector assembly is arranged on the upper end surface of the lower die assembly, so that the An upper mold assembly is arranged above the lower mold assembly, a lifting assembly that drives the upper mold assembly to rise and fall is arranged on the upper mold assembly, and locking assemblies are also arranged on both sides of the lower mold assembly; The assembly includes a top plate, the top side of the top plate is connected with a first hydraulic cylinder, and the four corners of the top plate are provided with first guide rods; the upper mold assembly includes an upper template, and the bottom surface of the upper template is connected with an upper mold The lower die assembly includes a lower die plate, the upper end surface of the lower die plate is connected with a lower die core, the ejector assembly includes a stripper plate, the upper end surface of the stripper plate is provided with an ejector plate, and the ejector plate is provided with There are several thimbles; the locking assembly includes a mounting frame, a cylinder is arranged on the mounting, and a fixing plate is connected to the output shaft of the cylinder.

Description

Die-casting die

Technical Field

The utility model relates to the technical field of die-casting dies, in particular to a die-casting die.

Background

In the technical field of die casting, die casting is a precision casting method which fills molten metal into a die cavity at a high speed and then rapidly cools and solidifies the molten metal so as to realize molding. The existing die-casting die has the problem that the thrust is not stable enough, so that die-cast parts are damaged, and the yield of products is reduced.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a die-casting die which can effectively solve the problems in the background art.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a die-casting die comprises a die-casting die body, wherein the die-casting die body comprises a base, a lower die assembly is arranged on the upper end surface of the base, an ejection assembly is arranged on the upper end surface of the lower die assembly, an upper die assembly is arranged above the lower die assembly, a lifting assembly for driving the upper die assembly to lift is arranged on the upper die assembly, and locking assemblies are arranged on two sides of the lower die assembly;

the lifting assembly comprises a top plate, a first hydraulic cylinder is fixedly connected to the middle of the top side of the top plate, and first guide rods are arranged at four corners of the top plate; the ejector assembly comprises a stripper plate arranged above a base, the upper end surface of the stripper plate is provided with an ejector plate, and the ejector plate is provided with a plurality of thimbles; the locking assembly comprises a mounting frame arranged on the side wall of the lower template, an air cylinder is arranged on the mounting frame, and an output shaft of the air cylinder is connected with a fixing plate.

As a further description, the first guide rod and the output shaft of the first hydraulic cylinder are both connected with the upper template.

As a further elaboration, the thimble penetrates through the lower template and extends into the lower mold core, the thimble plate is further provided with a second guide rod connected with the lower template, and the second guide rod is provided with a belleville spring.

As a further description, the upper and lower templates are provided with movable grooves for the fixed plates to move, and the width of the movable grooves is consistent with that of the fixed plates.

By way of further illustration, a second hydraulic cylinder is disposed on the bottom surface of the stripper plate, and an output shaft of the second hydraulic cylinder penetrates through the stripper plate and is connected with the ejector plate.

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

according to the die-casting die provided by the embodiment, when the first hydraulic cylinder is started, the upper die plate can move downwards on the guide rod, so that the upper die core and the lower die core are pressed, the pushing force of die assembly of the die can be more stable, and the product quality can be effectively improved; meanwhile, the output shaft of the air cylinder drives the fixing plate to move in the movable groove, and when the upper die core and the lower die core are closed, the output shaft of the air cylinder pushes the fixing plate to fixedly connect the upper die core and the lower die core, so that the stability of a die casting piece in the die casting process is improved; when the die casting is demoulded, the output shaft of the second hydraulic cylinder moves upwards to push the ejector plate to move upwards, so that the ejector pin can demould the product in the lower die core, and the die casting is convenient to demould.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention.

Reference numbers in the figures: 1-die casting die body; 2-a base; 3-a lower die assembly; 4-an ejection assembly; 5-upper die assembly; 6-a lifting assembly; 7-a locking assembly; 8-a top plate; 9-a first hydraulic cylinder; 10-a first guide bar; 11-upper template; 12-upper die core; 13-a lower template; 14-lower die core; 15-a stripper plate; 16-an ejector plate; 17-a thimble; 18-a mounting frame; 19-a cylinder; 20-fixing the plate; 21-a second guide bar; 22-a movable slot; 23-second hydraulic cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-2, the die-casting die provided in this embodiment includes a die-casting die body 1, where the die-casting die body 1 includes a base 2, a lower die assembly 3 is disposed on an upper end surface of the base 2, an ejection assembly 3 is disposed on an upper end surface of the lower die assembly 3, an upper die assembly 5 is disposed above the lower die assembly 3, a lifting assembly 6 for driving the upper die assembly 5 to lift is disposed on the upper die assembly 5, and locking assemblies 7 are further disposed on two sides of the lower die assembly 3;

the lifting assembly 6 comprises a top plate 8, a first hydraulic cylinder 9 is fixedly connected to the middle of the top side of the top plate 8, and first guide rods 10 are arranged at four corners of the top plate 8; the upper die assembly 5 comprises an upper die plate 11, the bottom surface of the upper die plate 11 is connected with an upper die core 12, the lower die assembly 3 comprises a lower die plate 13, the upper end surface of the lower die plate 13 is connected with a lower die core 14, the output shafts of the first guide rod 10 and the first hydraulic cylinder 9 are connected with the upper die plate 11, and the upper die plate 11 can move downwards on the guide rod by arranging the first hydraulic cylinder 9 when the first hydraulic cylinder 9 is started, so that the upper die core 12 and the lower die core 14 are pressed, the thrust of die assembly can be more stable, and the product quality is effectively improved.

The ejection assembly 3 comprises a stripper plate 15 arranged above the base 2, an ejector plate 16 is arranged on the upper end surface of the stripper plate 15, and a plurality of ejector pins 17 are arranged on the ejector plate 16; the bottom surface of the demoulding plate 15 is provided with a second hydraulic cylinder 23, the output shaft of the second hydraulic cylinder 23 runs through the demoulding plate 15 and is connected with the ejector plate 16, the ejector 17 runs through the lower mould plate 13 and extends to the lower mould core 14, a second guide rod connected with the lower mould plate 13 is further arranged on the ejector plate 16, a butterfly spring is arranged on the second guide rod 21, and through the arrangement of the second hydraulic cylinder 23, when the second hydraulic cylinder 23 is started, the output shaft of the second hydraulic cylinder 23 moves upwards to push the ejector plate 16 to move upwards, so that the ejector 17 carries out demoulding on a product in the lower mould core 14, and then the die casting is conveniently demoulded.

Locking Assembly 7 is including setting up in the mounting bracket 18 of lower bolster 13 lateral wall, install and be provided with cylinder 19, the output shaft of cylinder 19 has fixed plate 20, offer the confession on cope match-plate pattern 11 and the lower bolster 13 the movable groove 22 of fixed plate 20 activity, the width of movable groove 22 with the width of fixed plate 20 is unanimous, and through the setting of cylinder 19, the output shaft of cylinder 19 drives fixed plate 20 and moves about in movable groove 22, and when upper mold benevolence 12 carries out the compound die with lower mold benevolence 14, the output shaft of cylinder 19 promotes fixed plate 20 and carries out fixed connection to upper mold benevolence 12 and lower mold benevolence 14, has improved the stability of die casting in-process.

In summary, in the die-casting mold provided in this embodiment, when the first hydraulic cylinder 9 is started, the upper die plate 11 can be moved downward on the guide rod, so that the upper die core 12 and the lower die core 14 are pressed together, and thus the pushing force for mold closing can be more stable, and the product quality can be effectively improved; meanwhile, the output shaft of the cylinder 19 drives the fixing plate 20 to move in the movable groove 22, and when the upper die core 12 and the lower die core 14 are closed, the output shaft of the cylinder 19 pushes the fixing plate 20 to fixedly connect the upper die core 12 and the lower die core 14, so that the stability of the die casting piece in the die casting process is improved; when demolding is performed, the output shaft of the second hydraulic cylinder 23 moves upwards, so that the ejector pin plate 16 is pushed to move upwards, and the ejector pins 17 are enabled to demold the product in the lower die core 14, and demolding of the die casting is facilitated.

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 invention may be embodied in other specific forms without departing from the spirit or essential attributes 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 die casting mould which characterized in that: the die-casting die comprises a die-casting die body, wherein the die-casting die body comprises a base, a lower die assembly is arranged on the upper end surface of the base, an ejection assembly is arranged on the upper end surface of the lower die assembly, an upper die assembly is arranged above the lower die assembly, a lifting assembly for driving the upper die assembly to lift is arranged on the upper die assembly, and locking assemblies are further arranged on two sides of the lower die assembly;

the lifting assembly comprises a top plate, a first hydraulic cylinder is fixedly connected to the middle of the top side of the top plate, and first guide rods are arranged at four corners of the top plate; the upper die assembly comprises an upper die plate, the bottom surface of the upper die plate is connected with an upper die core, the lower die assembly comprises a lower die plate, the upper end surface of the lower die plate is connected with a lower die core, the ejection assembly comprises an ejection plate arranged above the base, the upper end surface of the ejection plate is provided with an ejector pin plate, and the ejector pin plate is provided with a plurality of ejector pins; the locking assembly comprises a mounting frame arranged on the side wall of the lower template, an air cylinder is arranged on the mounting frame, and an output shaft of the air cylinder is connected with a fixing plate.

2. A die casting mold as claimed in claim 1, wherein: and the output shafts of the first guide rod and the first hydraulic cylinder are connected with the upper template.

3. A die casting mold as claimed in claim 1, wherein: the ejector pin penetrates through the lower template and extends into the lower die core, a second guide rod connected with the lower template is further arranged on the ejector pin plate, and a butterfly spring is arranged on the second guide rod.

4. A die casting mold as claimed in claim 1, wherein: the upper template and the lower template are provided with movable grooves for the fixed plate to move, and the width of each movable groove is consistent with that of the fixed plate.

5. A die casting mold as claimed in claim 1, wherein: the stripper plate bottom surface is provided with the second pneumatic cylinder, the output shaft of second pneumatic cylinder runs through the stripper plate and with the thimble board is connected.