CN203401050U

CN203401050U - Stream inoculation device

Info

Publication number: CN203401050U
Application number: CN201320411694.9U
Authority: CN
Inventors: 周亮
Original assignee: Sinosteel Xingtai Machinery and Mill Roll Co Ltd
Current assignee: Sinosteel Xingtai Machinery and Mill Roll Co Ltd
Priority date: 2013-07-11
Filing date: 2013-07-11
Publication date: 2014-01-22
Anticipated expiration: 2023-07-11

Abstract

The utility model discloses a stream inoculation device which comprises a material storage funnel and a diversion groove. Two hanging hooks used for hooking hot metal ladle beams are oppositely welded to the outer side wall of the upper portion of the material storage funnel, a material discharging pipe is arranged on the lower portion of the material storage funnel, the material outlet pipe comprises a straight pipe section communicated with the lower end of the material storage funnel and an inclined pipe section communicated with the straight pipe section, an opening groove is transversely formed in the straight pipe section, and an insertion plate which is connected with the material storage funnel through a steel wire rope is arranged in the opening groove. The diversion groove comprises a handle, wherein a slide groove which is matched with the inclined pipe section of the material outlet pipe is formed in the front end of the handle, and an iron hook used for hooking the steel wire rope is arranged outside the front end of the handle. The stream inoculation device is simple in structure, convenient to operate, low in cost, high in safety and capable of playing a good role in stream inoculation, eliminates the phenomenon of inoculation segregation, and effectively improves quality of castings.

Description

A kind of current-following inoculation device

Technical field

The utility model relates to a kind of inoculation device, specifically a kind of cast current-following inoculation device.

Background technology

At present, the most conventional foundry goods raw material of China is casting pig.The cocrystallizing type alloy that casting pig is comprised of iron, carbon and silicon on substantially, wherein, carbon mainly exists with the form of graphite.Produce premium casting, control form and the parent metal of the graphite forming when cast iron solidified and organize most important.And good inoculation can make casting pig have satisfactory microscopic structure, thus mechanical property and the processing characteristics of assurance foundry goods.

Inoculation is one of most important link in Cast Iron Production technique.Inoculation refers in crystallization process, in liquid metal, adds a small amount of heterogeneous forming core material, increases crystallization nuclei, optimizes graphite form, crystal grain thinning.The heterogeneous forming core material adding is commonly referred to inovulant.

China factory at present conventional inoculation treating method comprises manually to dispenser inovulant, floating silicon in molten iron and breeds, breeds current-following inoculation etc. at the bottom of ladle inoculation, bag.Wherein, current-following inoculation has optimum pregnant effect.Current-following inoculation refers in casting process, utilizes gravity that inovulant is joined in molten iron.Its inovulant utilization rate is high, and without decline, pregnant effect is good.But it is upper that current-following inoculation requires inovulant to drop on molten iron stream, with molten iron, constantly breed, if inovulant can not drop on molten iron, stream is upper, will affect the performance of foundry goods, reduces the reliability of product.

Tradition current-following inoculation device is hand-held current-following inoculation device.Chinese patent (CN201313157Y) discloses a kind of Handheld inoculation bucket, comprise handle and hopper, handle is fixedly connected with hopper, on hopper, be provided with charging hole and feed hole, the center line of charging hole is vertical with the center line of feed hole, and the center line of charging hole is vertical with the center line of handle respectively with the center line of feed hole.During use, by charging hole, pack inovulant into hopper, hand-held this of operating personnel breeds bucket and stands in molten iron pouring ladle side, then turning handle 90 is spent, make feed hole aim at molten iron level downwards, can by inovulant continuous uniform spread to molten iron level, realize the cast current-following inoculation of pouring molten iron processed.But, while using this type of current-following inoculation device, need workman to stand near the hand-held control of ladle, be very easy to scald accident occurs, security performance is very poor; When inovulant consumption is large, the duration of pouring, when long, workman's labour intensity was very large.And the hopper of the patented product is cube, in the process flowing out at inovulant, be very easy to occur cutout phenomenon, need workman to rock it is flowed out, can have a strong impact on like this performance of cast product.

Utility model content

The utility model technical issues that need to address be to provide a kind of simple in structure, easy to operate, safe, inovulant evenly can be added to the current-following inoculation device in molten iron continuously.

For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:

, comprise hopper and guiding gutter; The lateral wall on hopper top is two hooks for hook ladle crossbeam of welding relatively, the bottom of hopper arranges discharge nozzle, discharge nozzle comprises the straight length being communicated with hopper lower end, the inclined tube section being communicated with straight length, straight length is laterally offered a bite groove, in mouthful groove, the plate being connected with hopper by steel wire rope is installed; Guiding gutter comprises handle, the hinged chute that coordinates discharge nozzle inclined tube section that arranges of front end of handle, and the front end outside of handle also arranges the cleek of hook steel wire rope.

Further improvement of the utility model is: on the lateral wall on described hopper top, be also oppositely arranged and be useful on hand-held handle.

Further improvement of the utility model is: the semicircle of one end of described plate for matching with discharge nozzle inside diameter of straight pipe section, and the plate other end has through hole; Fasten on the through hole that is connected on plate one end of described steel wire rope, and the other end of the steel wire rope nut default with hopper sidewall is connected.

Further improvement of the utility model is: described handle front end is welded with support, and support comprises two relative arms; Described chute comprises base plate, the two side vertical with base plate; Two arms of support are corresponding hinged with the two side of chute.

Further improvement of the utility model is: described cleek is welded on the outside of support.

Owing to having adopted technique scheme, the technological progress that the utility model is obtained is:

The utility model is simple in structure, easy to operate, with low cost, rely on the dynamic property condition of drop impact under molten iron, make inovulant add equably in molten iron, fully contact with molten iron, really played the effect of current-following inoculation, eliminated and bred segregation phenomena, effectively improved casting quality, strengthened the control ability of operation process.Hopper of the present utility model and guiding gutter are used in conjunction with, and without the hand-held inovulant of workman, have greatly reduced workload, have reduced labour intensity, have saved working time.Meanwhile, workman can operate in the place far away apart from ladle, uses guiding gutter water conservancy diversion, and uses the cleek of guiding gutter front end to push plate aside, therefore, has significantly reduced the possibility that molten iron splashes and causes personnel to injure, and security performance significantly improves.

Hopper of the present utility model, by linking up with stable being suspended on ladle crossbeam, when inovulant flows out, can effectively be avoided because hopper rocks the inovulant flow velocity inequality causing; And the mode adopt hanging is hopper fixedly, make the equal clear of surrounding of ladle, workman can choose any applicable position and carries out water conservancy diversion according to pouring into a mould field condition and molten iron stream feature, very convenient.

The utility model is used hopper splendid attire inovulant, and the discharge nozzle of hopper bottom is set to the mode that straight length is connected with inclined tube section.Such setting, not only facilitates workman to load inovulant, and can guarantee to greatest extent that inovulant is fluidly smooth and easy, has substantially stopped the possibility of inovulant obstruction discharge nozzle.

Plate is fixed on hopper sidewall by steel wire rope, after plate is pushed aside, by steel wire hang aloft, can not fall in ladle by mistake, affects pregnant effect.

The utility model is arranged on chute two inboard arms of support, and two sidewalls of chute are flexibly connected with two arms of support respectively, so chute can be around axle Arbitrary Rotation.In casting process, workman adjusts the flip angle of chute in time according to the position of molten iron stream, make the abundant contact melting of inovulant and molten iron.

Accompanying drawing explanation

Fig. 1 is the front view of the utility model hopper;

Fig. 2 is the right view of the utility model hopper;

Fig. 3 is the integrated connection schematic diagram of the utility model guiding gutter;

Fig. 4 is the schematic diagram of the utility model plate;

Wherein, 1, hopper, 2, hook, 3, handle, 4, straight length, 5, inclined tube section, 6, nut, 7, steel wire rope, 8, plate, 9, handle, 10, support, 11, chute, 12, cleek.

The specific embodiment

Below in conjunction with accompanying drawing, the utility model is described in further details:

, comprise hopper 1 and guiding gutter two parts.Wherein, hopper 1 is fixed on ladle crossbeam, for splendid attire inovulant; Guiding gutter is hand-held device, regulates the angle of inovulant whereabouts by the rotation of chute 11.

Hopper 1, as shown in Figure 1 and Figure 2, the top of hopper 1 is divided into cube cylindrical shell, and its underpart is the taper of handstand side; Hopper 1 bottom is welded with discharge nozzle, and discharge nozzle comprises straight length 4 and the inclined tube section 5 interconnecting, and one end of straight length 4 is communicated with hopper 1 lower end, the other end welding inclined tube section 5 of straight length 4.Such setting, not only facilitates workman to load inovulant, and when inovulant flows out, can guarantee to greatest extent the smooth and easy continuous of the process of flowing out, and avoids inovulant obstruction discharge nozzle or inovulant in the interior remaining phenomenon of hopper 1.Hopper 1 is not less than 3mm iron plate by thickness is welded according to the size of ladle, and discharge nozzle uses iron pipe to make.According to needed inovulant particle diameter in actual casting process and its flow velocity requirement, can select the iron pipe that is applicable to diameter to make discharge nozzle.In actual casting process, for fear of the larger inovulant of particle or impurity, stop up discharge nozzle, the processing of preferably first inovulant being sieved.

Straight length 4 laterally offers a bite groove, and for laying plate 8, mouthful groove aperture is horizontal half of straight length 4.As shown in Figure 4, plate 8 is used iron plate to make, and its length is greater than the diameter of straight length 4.Plate 8 front ends are semicircle, match with the internal diameter of straight length 4; When plug 8 insert port groove, just straight length 4 can be sealed completely, inovulant is completely cut off in hopper 1.The other end of plate 8 can be the rectangle shown in Fig. 4, and also other arbitrary shapes, as long as can guarantee straight length 4 to seal completely.Plate 8 afterbodys have a through hole, for fastening, connect steel wire rope 7, and the other end of steel wire rope 7 is connected with the nut 6 being welded on hopper 1 sidewall; After plate 8 is pushed aside, can be suspended in the air by steel wire rope 7, can not fall in ladle by mistake, affect pregnant effect.

On the lateral wall on hopper 1 top, be relatively welded with hook 2, for hopper 1 is hung and is fixed on ladle crossbeam.Hopper 1 is also provided with a pair of relative handle 3, is welded on the lateral wall on hopper 1 top.In use, hand-held two handles 3 of workman, lift the hopper 1 that fills inovulant, by linking up with 2, are suspended on ladle crossbeam.Like this, when inovulant flows out, hopper 1 keeps firmly motionless, can effectively avoid because hopper 1 rocks the inovulant flow velocity inequality causing.The mode that the utility model adopt to hang is hopper 1 fixedly, makes the equal clear of surrounding of ladle, and workman can choose any applicable position and carries out water conservancy diversion according to pouring into a mould field condition and molten iron stream feature, very convenient.

Guiding gutter, as shown in Figure 3, comprises handle 9, support 10, chute 11 and cleek 12.The front end welding support 10 of handle 9, support 10 is Y type, comprises two arms that are oppositely arranged.Chute 11 is stainless steel tank, comprises base plate, the two side vertical with base plate.Chute 11 is arranged on two inboard arms of support 10.Between two arms of support 10 and the two side of chute 11 for being flexibly connected, can hinged or movable riveted joint, to guarantee that chute 11 can be around the arbitrarily angled upset of axle.In casting process, the hand-held handle 9 of workman, props up 5 outlets of inclined tube section by chute 11 base plates, adjust flip angle, make the inovulant flowing down by the water conservancy diversion of guiding gutter, can aloft contact with the molten iron stream of coming out of the stove, dynamic conditions by drop impact under molten iron, makes inovulant fully melt diffusion.The length of handle 9 can be adjusted according to ladle surrounding environment.If the excessive velocities that the time that inovulant flows out is long or inovulant flows down, in order to reduce the Uniform Flow of labor strength, assurance inovulant, can be used the devices such as column or platform to support handle 9.

In the outside of support 10, weld a cleek 12, cleek 12 is with handle 9 in same plane, and its opening direction points to handle 9 afterbodys.Workman uses cleek 12 to hook steel wire rope 7, and plate 8 is pushed aside, and the inovulant in hopper 1 flows down.During cast, workman stands in the place far away apart from ladle and just can push plate 8 aside and carry out water conservancy diversion, has significantly reduced the possibility that molten iron splashes and causes personnel to injure, and security performance significantly improves.

The course of work of the present utility model is as follows:

Before cast, by inserting board inlet slot, sealing discharge nozzle adds quantitative inovulant in hopper.The hand-held handle of workman, is fixedly suspended on hopper on the crossbeam of ladle top.When molten iron flows out, the hand-held guiding gutter of workman, with the cleek of guiding gutter front end, plate is pushed aside, fast chute is propped up to discharging opening inclined tube section, adjust in time flip angle, make the inovulant flowing down by the water conservancy diversion change direction of guiding gutter, aloft contact with the molten iron stream of coming out of the stove, dynamic conditions by drop impact under molten iron, makes inovulant fully melt diffusion.

Claims

1. a current-following inoculation device, is characterized in that: comprise hopper (1) and guiding gutter; The lateral wall on hopper (1) top is welding two hooks for hook ladle crossbeam (2) relatively, the bottom of hopper (1) arranges discharge nozzle, discharge nozzle comprises the straight length (4) being communicated with hopper (1) lower end, the inclined tube section (5) being communicated with straight length (4), straight length (4) is laterally offered a bite groove, in mouthful groove, the plate (8) being connected with hopper (1) by steel wire rope (7) is installed; Guiding gutter comprises handle (9), the hinged chute (11) that coordinates discharge nozzle inclined tube section (5) that arranges of front end of handle (9), and the front end outside of handle (9) also arranges the cleek (12) of hook steel wire rope (7).

2. a kind of current-following inoculation device according to claim 1, is characterized in that: on the lateral wall on described hopper (1) top, be also oppositely arranged and be useful on hand-held handle (3).

3. according to a kind of current-following inoculation device described in claim 1 or 2 any one, it is characterized in that: the semicircle of one end of described plate (8) for matching with discharge nozzle straight length (4) internal diameter, plate (8) other end has through hole; Fasten on the through hole that is connected on plate (8) one end of described steel wire rope (7), and the other end of steel wire rope (7) nut (6) default with hopper (1) sidewall is connected.

4. a kind of current-following inoculation device according to claim 3, is characterized in that: described handle (9) front end is welded with support (10), and support (10) comprises two relative arms; Described chute (11) comprises base plate, the two side vertical with base plate; Two arms of support (10) are corresponding hinged with the two side of chute (11).

5. a kind of current-following inoculation device according to claim 4, is characterized in that: described cleek (12) is welded on the outside of support (10).