CN203751260U - Vertical gas exhaust pipe casting device - Google Patents

Abstract

The utility model relates to a vertical gas exhaust pipe casting device. The vertical gas exhaust pipe casting device comprises a gas exhaust pipe casting model consisting of a mud core and a mud core shell, and a clamping device; the clamping device comprises a fixed pressing plate, a plurality of guide columns and a movable pressing plate, wherein one ends of the plurality of guide columns are fixedly connected with the peripheral surface of the fixed pressing plate; the surface of the movable pressing plate is provided with a plurality of guide holes matched with the plurality of guide columns; the movable pressing plate can be sleeved to the other ends of the guide columns by the guide holes and slides axially along with the guide columns; the gas exhaust pipe casting model is arranged between the fixed pressing plate and the movable pressing plate, and is pushed and clamped via the movable pressing plate toward the direction of the fixed pressing plate, and a water inlet and gas exhaust holes of the gas exhaust pipe casting device are formed in the highest part of the horizontal level of the gas exhaust pipe casting model. The vertical gas exhaust pipe casting device can exhaust gas of the gas exhaust pipe core out of the gas exhaust pipe casting device so as to prevent the phenomena of air bubbles, peeling, wrinkling and the like from generated on a pipe body of the gas exhaust pipe, and moreover can prevent the phenomenon of gas exhaust pipe wall thickness nonuniformity and the like.

Description

A kind of vertical blast pipe casting device

Technical field

The utility model relates to a kind of blast pipe casting device, particularly a kind of vertical blast pipe casting device.

Background technology

Blast pipe is the parts of automobile engine key, and the qualified casting of blast pipe is low, sums up following several large reasons:

1, greensand casting technique gas permeability is poor, easily butterfly-shaped shortbread.

2, in the time of technological design, there is no airtube, when pouring molten iron, high temperature causes core gas can not arrange, and a large amount of bubbles appears in the place of product boss, causes the phenomenons such as product peeling, wrinkling, fleshiness.

3, main core mold design is unreasonable, and the loam core defect of ejaculation is many, causes loam core gas forming amount large, and insufficient strength, can rupture, and yield rate is difficult to improve.

4, the gravity skew effect of taking old-fashioned horizontal mo(u)ld core to be subject to due to the characteristic of blast pipe, the effect that the moment being encased by molten iron is subject to gravity and molten iron buoyancy has made the generation skew of discontinuity loam core, loam core cause exhaust wall thickness ununiformity even.

Utility model content

In order to overcome the deficiency in background technology, invent a kind of vertical blast pipe casting device, this device can be discharged the gas in blast pipe loam core outside blast pipe casting device, avoids blast pipe pipe shaft to occur bubble, peeling, the phenomenon such as wrinkling; And can prevent the phenomenons such as exhaust wall thickness ununiformity is even.

For solving the problems of the technologies described above, the utility model provides following technical scheme:

A kind of vertical blast pipe casting device, comprising: the blast pipe casting pattern being formed by loam core and loam core shell, wherein:

Also comprise a clamping device, it comprises:

Fixation clip;

Some guide pillars, its one end is fixedly connected with fixation clip surrounded surface;

Movable pressing board, its surface offers the some guide holes that match with some guide pillars, and described movable pressing board can be overlapped the access guide pillar other end and can be slid axially along guide pillar by guide hole;

Wherein, described blast pipe casting pattern is installed between fixation clip and movable pressing board, and advanced and clamp blast pipe casting pattern toward fixation clip direction by movable pressing board, and the blasthole of described blast pipe casting pattern, steam vent are arranged at the horizontal plane highest point of blast pipe casting pattern.

Preferably, described loam core shell is divided into upper shell and lower house, and upper shell and lower house are undertaken bonding by resin.

Be compared with the prior art, the utlity model has following characteristics and advantage:

1, the utility model takes vertical pouring to enter water from the peak of blast pipe casting pattern, the air of automatically drain when water the falls into spontaneous gas in loam core and product the inside.Cast buoyancy upwards and downward loam core are from gravity on same straight line, and both stressed can carry out maximum counteracting, greatly reduced the stressed of loam core, and when making to pour into a mould, the wall thickness of blast pipe is even.The implementation of this new technology has improved casting efficiency and yield rate that I take charge of blast pipe.

2, the further advantage of the utility model is that vertical casting only needs fixation clip clamping, without burying sand, can reduce the dust of kicking up when burying case due to dress.Greatly improved employee's bad border of casting, and vertical casting the use in space can also be reduced, the vertical blast pipe casting device of twice can be held at same horizontal casting space.

3, the further advantage of the utility model for cast after because loam core shell is by resin-bonding, then after high temperature can by loam core shell burn defeated and dispersed, blast pipe finished product can drop automatically, has reduced traditional founding of going and has played the technique of blast pipe finished product.

Brief description of the drawings

Fig. 1 is the vertical blast pipe casting device of the utility model top view;

Fig. 2 is the vertical blast pipe casting device of the utility model right view;

Wherein: 1, fixation clip; 2, movable pressing board; 3, guide pillar; 4, steam vent; 5, nut; 6, blasthole; 7, upper shell; 8, lower house; 9, blast pipe casting pattern; 10, guide hole.

Detailed description of the invention

Further describe the utility model referring to accompanying drawing and in conjunction with detailed description of the invention, to make those skilled in the art can implement according to this with reference to description word, the utility model protection domain is not limited to detailed description of the invention of the present utility model.

As shown in Figure 1-2, a kind of vertical blast pipe casting device, comprising: the blast pipe casting pattern 9, steam vent 4, blasthole 6, the clamping device that are made up of loam core and loam core shell; Loam core shell is divided into upper shell 7 and lower house 8, loam core is installed in the loam core case body that upper shell 7 and lower house 8 form, and upper shell 7 and lower house 8 are undertaken bonding by resin when bonding, after high temperature, can loam core shell be burnt defeated and dispersed by resin-bonding, blast pipe finished product can drop automatically, has reduced traditional founding of going and has played the technique of blast pipe finished product.

Clamping device comprises: fixation clip 1, movable pressing board 2, nut 5, four guide pillars 3, the rectangular shape of fixation clip 1 and be vertical configuration, four guide pillar 3 surfaces are furnished with screw thread and one end is fixedly connected with the surperficial surrounding of fixation clip 1 respectively and four guide pillars 3 are vertical with fixation clip 1 surface, the rectangular shape of movable pressing board 2 and surface have four guide holes 10 that match with four guide pillar 3 other ends, movable pressing board 2 is by four guide pillar 3 other ends of four guide holes, 10 cover accesses, and movable pressing board 2 guide holes 10 can coordinate guide pillar 3 to slide axially along guide pillar 3; Blast pipe casting pattern 9 is to vertical to be positioned between fixation clip 1 and movable pressing board 2, and the blasthole of blast pipe casting pattern 96 and steam vent 4 are located to the horizontal plane highest point of blast pipe casting pattern 9, cast buoyancy upwards and downward loam core from gravity on same straight line, both stressed can carry out maximum counteracting, greatly reduced the stressed of loam core, when making to pour into a mould, the wall thickness of blast pipe is even.Then being screwed into four guide pillar 3 other ends by nut 5 advances movable pressing board 2 blast pipe casting pattern 9 is clamped toward fixation clip 1.

When work, carry out pouring molten iron by blasthole, enter water from the peak of blast pipe casting pattern, the air of automatically drain when water the falls into spontaneous gas in loam core and blast pipe product the inside, air is discharged to outside by blast pipe.Cast buoyancy upwards and downward loam core are from gravity on same straight line, and both stressed can carry out maximum counteracting, greatly reduced the stressed of loam core, and when making to pour into a mould, the wall thickness of blast pipe is even.

Claims (2)

1. a vertical blast pipe casting device, comprising: the blast pipe casting pattern being made up of loam core and loam core shell, is characterized in that:

Also comprise a clamping device, it comprises:

Fixation clip;

Some guide pillars, its one end is fixedly connected with fixation clip surrounded surface;

Movable pressing board, its surface offers the some guide holes that match with some guide pillars, and described movable pressing board overlaps the access guide pillar other end by guide hole and movable pressing board can slide axially along guide pillar;

Wherein, described blast pipe casting pattern is installed between fixation clip and movable pressing board, and advanced and clamp blast pipe casting pattern toward fixation clip direction by movable pressing board, and the blasthole of described blast pipe casting pattern, steam vent are arranged at the horizontal plane highest point of blast pipe casting pattern.

2. vertical blast pipe casting device according to claim 1, is characterized in that: described loam core shell is divided into upper shell and lower house, and upper shell and lower house are undertaken bonding by resin.