CN202291262U

CN202291262U - Pouring gate for jolt molding

Info

Publication number: CN202291262U
Application number: CN2011203747973U
Authority: CN
Inventors: 浦巧生
Original assignee: Wujiang Hydraulic Components Foundry Co Ltd
Current assignee: Wujiang Hydraulic Components Foundry Co Ltd
Priority date: 2011-10-08
Filing date: 2011-10-08
Publication date: 2012-07-04
Anticipated expiration: 2021-10-08

Abstract

The utility model discloses a pouring gate for jolt molding. The pouring gate for jolt molding comprises a downsprue, wherein the lower end of the downsprue is of an inverted platform body shape, the lower bottom surface of the downsprue is detachably connected with a shaping plate, a pouring gate hopper is clamped and sleeved above the downsprue, and a spring is arranged between the pouring gate hopper and the downsprue. The pouring gate for jolt molding has the advantages of simple working procedure, labor and time saving, good compaction effect of a sand mould and smooth transition at a round corner position so that the defect of including sand in a casting due to sand washing is effectively avoided, , good slag blocking effect and difficulty in causing air holes because the downsprue is changed into a closed shape from an inverted horn shape, light weight, high utilization rate of molten iron and reduced cost; and a single downsprue can save 1-3 kilo of the molten iron according to different heights of downsprues.

Description

Cast gate is used in jolt moulding

Technical field

The utility model relates to a kind of jolt moulding and uses cast gate.

Background technology

In machine molding, the running gate system on the sand mold and unlike the hand moulding that kind by hand instrument work it out, generally be to be placed on cross gate and ingate on the template, sprue then need be seen the method for rramming and determine its structure.When rramming adopts the way of ram-jolt; That all adopts inverted tubaeform directly waters rod; And the processing method of the cast gate of sand mold a kind of be after compacting, to dig with manual work, another kind of way is exactly behind pressure head compacting for the first time sand mold, to imbed a model again, compacting is taken out model later on and can be formed and water buccal funnel again.But do like this and have following drawback: 1, operation is loaded down with trivial details, take a lot of work, time-consuming, effort.2, it is more open with the sand that directly waters excellent junction to water buccal funnel, and round-corner transition is rough, and casting flaws such as forming burning into sand is made in sand washing easily.3, inverted tubaeform directly waters rod, and the pushing off the slag effect is bad, and air is easy to get into molten iron and is brought into die cavity, thereby causes casting flaws such as slag inclusion or pore.4, the sprue of falling the trumpet type is heavy, the waste molten iron.

The utility model content

The technical problem that the utility model solves is, provides a kind of jolt moulding to use cast gate, and the cast gate manufacturing that has solved sand mold is wasted time and energy and the improper and problem of the waste molten iron that causes of sprue shape.

The technical scheme that the utility model adopts is:

Cast gate is used in a kind of jolt moulding, comprises sprue, and the lower end of said sprue is the bodily form of falling from power, and the bottom surface and the template of sprue removably connect, and above sprue, is covered with and waters buccal funnel, waters between buccal funnel and the sprue and is provided with spring.

The beneficial effect of the utility model is:

The utility model operation is simple, saving of work and time; The sand mold consolidation effect is good, and the transition of fillet place is slick and sly, has effectively avoided sand washing to cause the defective of foundry goods burning into sand; The inverted tubaeform sprue that becomes in the past is closed sprue, and not only pushing off the slag is effective, and is not easy to produce pore; In light weight, the molten iron utilization rate is high, has reduced cost, and different according to the sprue height, single sprue can be practiced thrift molten iron 1-3 kilogram.

Description of drawings

The sketch map that Fig. 1 uses for the utility model sprue.

Fig. 2 is the utility model sprue and partial structurtes sketch map after template combines.

The specific embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

Embodiment:

Shown in accompanying drawing, cast gate is used in a kind of jolt moulding, comprises sprue 3; The lower end of sprue 3 is the bodily form of falling from power; The bottom surface and the template of sprue removably connect, and above sprue 3, are covered with and water buccal funnel 1, water between buccal funnel 1 and the sprue 3 and are provided with spring 2.

During use, shown in accompanying drawing, can be provided with running-on 4 at the bottom surface of sprue 3, sprue 3 is plugged on the latch 5 fixing on the template 6 through running-on 4; Be placed on cross gate 7 and ingate on the template 6.In the time of machine molding, sprue is plugged on the latch of template.When pressure head presses down sand, water buccal funnel and also move down along sprue, after sand is compacted pressure relief, water buccal funnel bullet under the active force of spring, one pull out and can take out then, very convenient.

Claims

1. cast gate is used in a jolt moulding, comprises sprue, it is characterized in that the lower end of said sprue is the bodily form of falling from power, and the bottom surface and the template of sprue removably connect, and above sprue, is covered with and waters buccal funnel, waters between buccal funnel and the sprue and is provided with spring.