CN216461614U

CN216461614U - Forming die of lightweight flywheel

Info

Publication number: CN216461614U
Application number: CN202122302519.3U
Authority: CN
Inventors: 陶一鸣
Original assignee: Jiangyin Hongchuang Kinetic Energy Technology Co ltd
Current assignee: Jiangyin Hongchuang Kinetic Energy Technology Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-05-10
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a forming die of a lightweight flywheel, and relates to the technical field of flywheel production. The utility model comprises an upper die holder, a lower die holder and a lightening hole forming assembly, wherein an upper forming cavity and a lower forming cavity are respectively arranged on one surface of the upper die holder and one surface of the lower die holder, a through hole is arranged on the other surface of the lower die holder, a sealing plate is formed between the upper through hole of the lower die holder and the lower forming cavity, a plurality of forming grooves are arranged on the sealing plate, the lightening hole forming assembly comprises a convex die body and a hydraulic cylinder, the hydraulic cylinder is fixed on the lower surface of the lower die holder through the lower die holder, and a sliding cavity is formed among the lower die holder, the sealing plate and the through hole. According to the utility model, by designing the telescopic lightening hole forming assembly, after the casting liquid completely enters the flywheel forming cavity, the male die head for hole forming can be in place through the hydraulic cylinder, so that the flywheel can be quickly formed, the casting liquid injection time is reduced, the forming effect and the forming efficiency of the lightweight flywheel are improved, and the service life of the die is ensured.

Description

Forming die of lightweight flywheel

Technical Field

The utility model belongs to the technical field of flywheel production, and particularly relates to a forming die for a lightweight flywheel.

Background

The existing flywheel can adopt a thinning and hole-opening mode for realizing light weight, most of the existing flywheels adopt a lightening hole opening mode for ensuring the strength and the service life of the flywheel, and when the flywheel is formed by pouring, rod pieces are arranged in a die and used for forming holes due to the existence of the lightening holes, the central holes and the mounting holes.

However, with the increase of the rods, the flow of the casting liquid can be blocked during casting, which affects the casting efficiency, and the retention time in the mold is too long, which affects the molding effect of the flywheel due to too early cooling, and the long-time high temperature affects the service life of the mold.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a forming die of a lightweight flywheel, which is characterized in that by designing a telescopic lightening hole forming assembly, after casting liquid completely enters a flywheel forming cavity, a male die head for hole forming can be in place through a hydraulic cylinder, so that the flywheel can be quickly formed, the injection time of the casting liquid is reduced, the forming effect and the forming efficiency of the lightweight flywheel are improved, and the service life of the die is ensured.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a forming die of a lightweight flywheel, which comprises an upper die base, a lower die base and a lightening hole forming assembly, wherein the upper die base is provided with a plurality of holes;

an upper molding cavity and a lower molding cavity are respectively arranged on one surface of the upper die holder and one surface of the lower die holder, a through hole is arranged on the other surface of the lower die holder, a sealing plate is formed between the upper through hole and the lower molding cavity of the lower die holder, and a plurality of molding grooves are arranged on the sealing plate;

the lightening hole forming assembly comprises a convex die body and a hydraulic cylinder;

the pneumatic cylinder passes through lower pedestal to be fixed at the die holder lower surface, form the slip chamber between lower pedestal, shrouding and the through-hole, the die body slides and sets up in the slip intracavity, a die body fixed surface has a plurality of protruding die heads, and is a plurality of the protruding die head run through a plurality of shaping grooves respectively and with a plurality of shaping groove clearance fit, the pneumatic cylinder output runs through lower pedestal and fixes on another surface of protruding die body.

Furthermore, a plurality of grooves are formed in the inner wall of the upper forming cavity, and the grooves are in clearance fit with the end portions of the male die heads respectively and are opposite in position.

Furthermore, a liquid inlet pipe penetrates through and is fixed on the upper die base, one end of the liquid inlet pipe is communicated with the upper forming cavity, and a funnel is arranged at the other end of the liquid inlet pipe.

Furthermore, a diversion trench is arranged on the outer side of the end part of the male die head, a diversion edge is fixed on the inner wall of the groove, and the diversion trench is in clearance fit with the diversion edge.

Further, the convex die head comprises a central hole forming die head, a mounting hole forming die head and a lightening hole forming die head.

Furthermore, the convex mould body and the lower base body are both provided with outer connecting holes.

The utility model has the following beneficial effects:

according to the utility model, by designing the telescopic lightening hole forming assembly, after the casting liquid completely enters the flywheel forming cavity, the male die head for hole forming can be in place through the hydraulic cylinder, so that the flywheel can be quickly formed, the casting liquid injection time is reduced, the forming effect and the forming efficiency of the lightweight flywheel are improved, and the service life of the die is ensured.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a forming die for a lightweight flywheel according to the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is a schematic structural view of the lower die holder;

FIG. 4 is a schematic structural view of the upper die holder;

in the drawings, the components represented by the respective reference numerals are listed below:

1-upper die holder, 2-lower die holder, 3-lightening hole forming assembly, 4-sliding cavity, 101-upper forming cavity, 102-groove, 103-liquid inlet pipe, 104-funnel, 105-guide edge, 201-lower forming cavity, 202-through hole, 203-closing plate, 204-forming groove, 301-convex die body, 302-hydraulic cylinder, 303-lower die body, 304-convex die head, 305-guide groove and 306-external connection hole.

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.

Referring to fig. 1-4, the present invention is a forming mold for a lightweight flywheel, including an upper mold base 1, a lower mold base 2 and a lightening hole forming assembly 3;

an upper molding cavity 101 and a lower molding cavity 201 are respectively arranged on one surface of the upper die holder 1 and the lower die holder 2, a through hole 202 is arranged on the other surface of the lower die holder 2, a sealing plate 203 is formed between the upper through hole 202 and the lower molding cavity 201 of the lower die holder 2, and a plurality of molding grooves 204 are arranged on the sealing plate 203;

the lightening hole forming assembly 3 comprises a convex die body 301 and a hydraulic cylinder 302;

the pneumatic cylinder 302 is fixed at the lower surface of the lower die holder 2 through the lower die holder 303, a sliding cavity 4 is formed among the lower die holder 303, the closing plate 203 and the through hole 202, the die body 301 is arranged in the sliding cavity 4 in a sliding mode, a plurality of die heads 304 are fixed on the surface of the die body 301, the die heads 304 respectively penetrate through the forming grooves 204 and are in clearance fit with the forming grooves 204, and the output end of the pneumatic cylinder 302 penetrates through the lower die holder 303 and is fixed on the other surface of the die body 301.

As shown in fig. 2 and fig. 4, the inner wall of the upper molding cavity 101 is provided with a plurality of grooves 102, and the grooves 102 are respectively in clearance fit with and opposite to the ends of the plurality of dies 304.

As shown in fig. 1-2 and 4, a liquid inlet pipe 103 is fixedly penetrated through the upper die holder 1, one end of the liquid inlet pipe 103 is communicated with the upper molding cavity 101, and a funnel 104 is arranged at the other end of the liquid inlet pipe 103.

As shown in fig. 2-4, a guide groove 305 is provided on the outer side of the end of the male die head 304, a guide edge 105 is fixed on the inner wall of the groove 102, and the guide groove 305 is in clearance fit with the guide edge 105.

The male die head 304 includes a central hole forming die head, a mounting hole forming die head and a lightening hole forming die head.

As shown in fig. 1-2, the male mold body 301 and the lower base 303 are both provided with an external connection hole 306.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a forming die of lightweight flywheel, includes upper die base (1) and die holder (2), its characterized in that: the device also comprises a lightening hole forming component (3);

an upper molding cavity (101) and a lower molding cavity (201) are respectively formed in one surface of the upper die holder (1) and one surface of the lower die holder (2), a through hole (202) is formed in the other surface of the lower die holder (2), a sealing plate (203) is formed between the upper through hole (202) and the lower molding cavity (201) of the lower die holder (2), and a plurality of molding grooves (204) are formed in the sealing plate (203);

the lightening hole forming assembly (3) comprises a convex die body (301) and a hydraulic cylinder (302);

the hydraulic cylinder (302) is fixed on the lower surface of the lower die base (2) through the lower die base (303), a sliding cavity (4) is formed among the lower die base (303), the sealing plate (203) and the through hole (202), the die body (301) is arranged in the sliding cavity (4) in a sliding mode, a plurality of die heads (304) are fixed on one surface of the die body (301), the die heads (304) penetrate through the forming grooves (204) respectively and are in clearance fit with the forming grooves (204), and the output end of the hydraulic cylinder (302) penetrates through the lower die base (303) and is fixed on the other surface of the die body (301).

2. The forming die for the lightweight flywheel as claimed in claim 1, wherein a plurality of grooves (102) are formed in the inner wall of the upper forming cavity (101), and the plurality of grooves (102) are in clearance fit with and opposite to the end portions of the plurality of convex dies (304).

3. The forming die for the lightweight flywheel as claimed in claim 1, wherein a liquid inlet pipe (103) is fixedly penetrated on the upper die base (1), one end of the liquid inlet pipe (103) is communicated with the upper forming cavity (101), and a funnel (104) is arranged at the other end of the liquid inlet pipe (103).

4. The forming die for the lightweight flywheel as claimed in claim 2, wherein a diversion trench (305) is formed in the outer side of the end of the convex die head (304), a diversion edge (105) is fixed to the inner wall of the groove (102), and the diversion trench (305) is in clearance fit with the diversion edge (105).

5. The forming die for the lightweight flywheel as claimed in claim 1, wherein the convex die head (304) comprises a central hole forming die head, a mounting hole forming die head and a lightening hole forming die head.

6. The forming die for the lightweight flywheel of claim 1, wherein the male die body (301) and the lower seat body (303) are provided with outer connecting holes (306).