CN213163024U

CN213163024U - Metal mold low-pressure casting die of revolving body meeting flaw detection I-level standard

Info

Publication number: CN213163024U
Application number: CN202021296905.5U
Authority: CN
Inventors: 孙昌萌; 赵玉利
Original assignee: Shandong Taikai Investment Casting Co ltd
Current assignee: Shandong Taikai Investment Casting Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-05-11
Anticipated expiration: 2030-07-06

Abstract

The utility model discloses a satisfy the metal type low pressure casting mould of the solid of revolution of I level standard of detecting a flaw, including last mould, steel core, side forms and end support mould, the steel core with go up the mould assembly and be in the same place, the steel core with be formed with the bottom between the end support mould upper surface and mainly water, the steel core with be formed with foundry goods shaping chamber between the side forms inside wall, the mid-mounting has aluminium liquid influent stream mouth at the bottom of the end support mould, and aluminium liquid influent stream mouth communicates in the bottom is mainly watered, steel core lower surface outside circumference array distributes and has a plurality of sunken branches to water. The utility model reduces the aluminum loss by changing the pouring mode from bottom to top, and the lower surface of the steel core is provided with a first gradient notch, a branch pouring gate and a second gradient notch; meanwhile, the side surface of the steel core is provided with the inclination of 5 degrees, so that the casting can be effectively and transversely and longitudinally fed during casting, the feeding effect is good, the casting can be sequentially solidified from top to bottom, the casting is internally compact and free of defects, and the I-level flaw detection standard is met.

Description

Metal mold low-pressure casting die of revolving body meeting flaw detection I-level standard

Technical Field

The utility model relates to a casting mould technical field, more specifically say, in particular to satisfy the metal mold low pressure casting mould of the solid of revolution of I level standard of detecting a flaw.

Background

The prior casting industry in China adopts a sand mold gravity or sand mold low-pressure process for the casting process with high flaw detection requirements, a gap pouring gate is utilized to longitudinally feed the casting, and the shape and the core are both molded by resin sand; the process has the following problems in production:

1. each piece of production is manually made into a new shape and a new sand core, the influence of manual operation is large, and the product quality is difficult to control.

2. Each piece of resin sand needs to be made into a new shape and a new mold core, so that the efficiency is low and batch production cannot be realized;

3. each part needs to use a large amount of silica sand, resin, curing agent and coating, so that the casting cost is high;

4. the used resin and curing agent can generate pungent odor and are not friendly to the environment;

5. the produced waste sand is solid waste, and the treatment cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a satisfy the metal mold low pressure casting mould of the solid of revolution of I level standard of detecting a flaw.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a satisfy the metal type low pressure casting mould of the solid of revolution of I level standard of detecting a flaw, includes mould, steel core, side forms and end support mould, the side forms is installed on end support mould upper portion, the steel core assembles to last mould, the cope match-plate pattern is on the side forms, the steel core with be formed with the bottom between the end support mould upper surface and mainly water, the steel core with be formed with foundry goods shaping chamber between the side forms inside wall, the mid-mounting has aluminium liquid influent stream mouth at the bottom of the end support mould, and aluminium liquid influent stream mouth communicates in the main watering in bottom, steel core lower surface outside circumference array distributes and waters in a plurality of sunken branches. Preferably, the middle part of the lower surface of the sand core is provided with a first gradient notch.

Preferably, a convex rib is formed between the branch runners, and a second gradient notch is formed at the outer edge of the convex rib.

Preferably, the first gradient notch has a depth greater than the second gradient notch.

Preferably, the inclination of said steel core is unilateral 5 °.

Compared with the prior art, the utility model has the advantages of:

1. the die is a metal die, low-pressure machine equipment is used for controlling during pouring, various process parameters are controlled, the influence of human factors is eliminated to the greatest extent, and the stability of product quality is facilitated;

2. the metal mould can be used repeatedly, and the cost is reduced

3. The metal mold and the low-pressure machine equipment are used, so that the production efficiency is improved;

4. does not use silica sand, resin, curing agent and other sand mould raw materials, does not generate related solid waste, and is environment-friendly

Drawings

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

FIG. 1 is a structural diagram of a metal mold low-pressure casting mold of a revolving body meeting the flaw detection I-level standard of the utility model;

FIG. 2 is a cross-sectional view of a metal mold low-pressure casting mold of a revolving body of the present invention that meets the inspection level I standard;

fig. 3 is a structural view of the steel core of the present invention.

In the figure: the casting forming device comprises an upper die 1, a side die 2, a bottom supporting die 3, a steel core 4, an aluminum liquid inlet 5, a casting forming cavity 6, a main pouring gate 7 at the bottom, a branch pouring gate 8, a first gradient notch 9 and a second gradient notch 10.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.

Referring to fig. 1, 2 and 3, the utility model provides a low pressure casting die for metal type revolving bodies meeting the flaw detection class i standard, which comprises an upper die 1, side forms 2 and end support mould 3, 2 fixed mounting on 3 upper portions of end support mould of side forms, it covers on side forms 2 to go up mould 1, go up mould 1 bottom and install steel core 4, steel core 4 is the disc type structure, steel core 4 is inserted and is located in side forms 2, be formed with bottom main runner 7 between steel core 4 and the 3 upper surfaces of end support mould, be formed with foundry goods shaping chamber 7 between steel core 4 and the 2 inside walls of side forms, the mid-mounting has aluminium liquid influent stream mouth 5 at the bottom of end support mould 3, aluminium liquid influent stream mouth 5 feeds through in bottom main runner 7, steel core 4 lower surface outside circumference array distributes and has a plurality of sunken branches to runner 8, the interval of branch runner 8 is strictly calculated according to the distance of the 2 times wall thickness of feeding, guarantee to runner and carry out effective horizontal feeding to the foundry goods.

In this embodiment, the middle of the lower surface of the steel core 4 is provided with a first gradient notch 9.

In this embodiment, the second gradient grooves 10 are designed on the plurality of branch runners 8, and the 3-degree inclination of the upper plane of the branch runners 8 and the second gradient groove openings 10 cooperate to form a feeding gradient, thereby ensuring that each branch runner effectively feeds the casting within 2 times of the longitudinal distance.

In this embodiment, the first gradient groove opening 9 has a greater depth than the second gradient groove opening 10.

In this embodiment, the inclination of the steel core 4 is 5 ° on one side.

The working principle is as follows: during the use, pour into the pouring liquid from annotating liquid joint 5, the pouring liquid gets into bottom main runner 7 in proper order, first gradient notch 9, branch runner 8, second gradient recess 10 and foundry goods shaping cavity 6, and in the pressure maintaining process, first gradient notch 9, branch runner 8, second gradient recess 10 on the surface of steel core can carry out effective horizontal feeding to the foundry goods, and the steel core 5 inclination corresponds the foundry goods shaping process and is formed with 5 feeding gradient, guarantees that foundry goods top-down's order solidifies.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes and modifications can be made by the owner within the scope of the appended claims, and the protection scope of the present invention should not be exceeded by the claims.

Claims

1. The utility model provides a satisfy the metal type low pressure casting mould of the solid of revolution of I level standard of detecting a flaw, includes mould, steel core, side forms and end support mould, its characterized in that: the side die is installed on the upper portion of the bottom supporting die, the steel core is assembled to the upper die, the upper die covers the side die, a bottom main pouring gate is formed between the steel core and the upper surface of the bottom supporting die, a casting forming cavity is formed between the steel core and the inner side wall of the side die, an aluminum liquid inlet is installed in the middle of the bottom supporting die and communicated with the bottom main pouring gate, and a plurality of sunken branch pouring gates are distributed on the outer side of the lower surface of the steel core in a circumferential array mode.

2. The metal mold low-pressure casting die for the revolving body meeting the flaw detection I-level standard of the claim 1, which is characterized in that: a first gradient notch is formed in the middle of the lower surface of the steel core.

3. The metal mold low-pressure casting die for the revolving body meeting the flaw detection I-level standard according to claim 2, wherein: and a convex rib part is formed among the branch pouring channels, and a second gradient notch is formed in the outer edge of the convex rib part.

4. The metal mold low-pressure casting die for the revolving body meeting the flaw detection I-level standard of the claim 3, wherein: the first gradient notch has a greater depth than the second gradient notch.

5. The metal mold low-pressure casting die for the revolving body meeting the flaw detection I-level standard of the claim 1, which is characterized in that: the inclination of steel core is unilateral 5.