CN218212280U

CN218212280U - Molten iron composition sample metal cooling mould

Info

Publication number: CN218212280U
Application number: CN202222480628.9U
Authority: CN
Inventors: 张少军; 郑贵增; 艾鹏
Original assignee: Lianyungang Xingxin Steel Co ltd
Current assignee: Lianyungang Xingxin Steel Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2023-01-03
Anticipated expiration: 2032-09-20

Abstract

The utility model discloses a molten iron composition sample metal cooling mould, belong to chemical examination analysis technical field, the device includes the cooling mould, the cooling mould comprises left die body and the right die body that bilateral symmetry set up, circular cavity has still been seted up on left side die body and the right die body, two cavities dock into the cooling die cavity, the cooling die cavity sets up including watering the runner under and with watering the runner in be linked together, form the cooling die cavity through combining left die body and right die body two parts together, then put into the cooling mould the base, make left side die body and right die body two parts combine inseparabler, it is firm, later the molten iron pours the mouth through the loudspeaker form, interior watering runner gets into the cooling die cavity, be the molten iron sample after the cooling, the device easy operation, the delivery is convenient, thereby the demand of rhythming soon of blast furnace production has been satisfied.

Description

Molten iron composition sample metal cooling mould

Technical Field

The utility model belongs to chemical examination analysis field, specifically speaking relates to a molten iron composition sample metal cooling mould.

Background

In the casting industry, the element content of chemical components of liquid metal has great influence on the structure and performance of products, in the prior art, a spectroscopic instrument is mostly adopted to analyze a sampling sample to detect the element content of the molten metal in a furnace, and the accuracy and stability of the chemical components are not only related to the spectroscopic instrument, but also closely related to a mold used in the manufacturing process of the sample.

The blast furnace needs to scoop out the molten iron with the sampling spoon in the production process, pours into specific container and cools off fast and obtain the molten iron sample, uses spectral analysis appearance to carry out the chemical examination fast, accurately, and the testing result is fed back in time, guarantees going on smoothly of production. In order to ensure the accuracy of spectral analysis, the molten iron sample cooling mold is required to rapidly cool the molten iron, thereby effectively inhibiting graphitization, ensuring that carbon elements in the molten iron can be stored at room temperature in a mode of iron carbon compound, and providing a material basis for the accuracy of chemical component analysis because the microstructure of the molten iron is cementite + ledeburite (hypereutectic white iron). The existing molten iron sample is in a conical shape and a seal shape, the inspection surface is a single surface, and the cooling effect of the inspection surface is poor, so that the white layer of the inspection surface is thin, the white layer is easily ground in the process of grinding the spectrum sample, the accuracy of analysis is influenced, and the sampling times are increased.

SUMMERY OF THE UTILITY MODEL

To the problem that provides in the prior art, the utility model provides a molten iron composition sample metal cooling mould, the device can effectively solve the problem that provides in the background art.

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a molten iron composition sample metal cooling mould, includes the cooling mould, the cooling mould comprises left die body and the right die body that bilateral symmetry set up, symmetrical loudspeaker form breach, two have all been seted up at the top of left side die body and right die body the breach butt joint becomes a loudspeaker form and pours the mouth, all seted up symmetrical arc recess on left side die body and the right die body, two the arc recess butt joint becomes a cylindric interior runner of watering, interior runner setting is watered under the mouth and is linked together with pouring the mouth, circular cavity has still been seted up on left side die body and the right die body, two the cavity butt joint becomes the cooling die cavity, the cooling die cavity sets up including watering under the runner and is linked together with interior runner, set up the exhaust hole that runs through the cooling mould on the circular cavity wall.

Preferably, half bosses are symmetrically and fixedly mounted below the left die body and the right die body, the two half bosses are butted to form a conical boss, and the conical boss is wide at the top and narrow at the bottom.

Preferably, the cooling cavity is racket-shaped and has a thickness of 5mm.

Preferably, a round platform-shaped base is arranged below the conical boss, a fastening groove matched with the conical boss is formed in the upper surface of the base, and a top hole penetrating through the base is vertically formed below the fastening groove.

Preferably, the material of the cooling die is steel.

Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The utility model discloses a form the cooling die cavity with left die body and right die body two parts together, then put into the base with the cooling die, make left die body and right die body two parts combine inseparabler, it is firm, later the mouth is pour through loudspeaker form to the molten iron, the interior runner that waters gets into the cooling die cavity, be the molten iron sample after the cooling, because the cooling die cavity is thickness 5 mm's racket nature, make the molten iron sample can form 2 inspection faces, the inspection effect has been improved, the analytical error of spectral analysis appearance has been reduced, thereby the number of samples is reduced, thereby the effectual chemical examination speed of spectral analysis appearance to molten iron composition sample metal that has improved.

(2) The utility model discloses a select for use the material of cooling die to be 45 # steel, and the volume of cooling die is greater than the volume of institute's cast iron water composition sample for this cooling die has fine thermal diffusivity, and the molten iron sample internal organization of being convenient for evenly appears, and white degree is high, and the white layer is difficult for grinding off, makes the analysis of molten iron composition sample more accurate.

(3) The utility model discloses a set up the apical pore that runs through the base at the lower surface of base, when taking out the fashioned molten iron sample of cooling die intracavity, only need use tools to pass through the ejecting cooling die of apical pore, then break left and right die body off with the fingers and thumb, can take out the molten iron sample, easy operation, the die sinking is convenient to the demand of the fast rhythm that satisfies blast furnace production has been realized.

(4) The utility model discloses a set up loudspeaker form sprue gate on the left and right die body that the symmetry set up, the racket form sample that the mode that the adoption was stood to water was prepared is material utilization rate high not only, has significantly reduced the work load of processing steps such as follow-up grinding moreover, and simultaneously, loudspeaker form sprue gate has made things convenient for the maneuverability of pouring.

(5) The utility model discloses an exhaust hole that runs through the cooling mould is seted up on the chamber wall of cooling die cavity for when pouring the molten iron, most gas is discharged from loudspeaker form pouring mouth in the molten iron, and a small part of bubbles is discharged from exhausting the hole, and further the production of the inside gas pocket of molten iron sample has been stopped, has improved the qualification rate of molten iron composition sample.

(6) The utility model discloses a set up the fastening groove that matches the toper boss on the base, increased the steadiness of cooling die, when the effectual pouring of having solved, because the inflation that exists when the mobility of liquid metal and cooling is pressed, make sample shaping quality poor, the phenomenon of off-position easily appears in the molten iron to the whiting of sample homogeneity has been improved, density homogeneity, thereby has guaranteed spectral analysis's accuracy, further has ensured going on smoothly of production.

Drawings

FIG. 1 is a front view of a metal cooling mold for a molten iron composition sample of the present invention;

FIG. 2 is a side view of the device of the present invention;

FIG. 3 is a schematic view of the structure of the base of the present invention;

FIG. 4 is a schematic structural view of the middle left mold body of the present invention;

fig. 5 is ase:Sub>A schematic view of the structure in the direction B-ase:Sub>A in fig. 4 according to the present invention.

The corresponding relationship between the reference numbers of the figures and the names of the components in the figures is as follows:

1. cooling the mold; 101. a left mold body; 102. a right mold body; 201. a notch; 2. pouring a port; 301. an arc-shaped groove; 3. pouring the runner inwards; 401. a concave cavity; 4. cooling the mold cavity; 5. an exhaust hole; 601. a half boss; 6. a conical boss; 7. a base; 8. a fastening groove; 9. and (4) a top hole.

Detailed Description

The invention will be further described below in connection with specific embodiments.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Please refer to fig. 1-5, the embodiment of the present invention provides a molten iron composition sample metal cooling mold, including cooling mold 1 and base 7 arranged at the bottom of cooling mold 1, fastening groove 8 for placing cooling mold 1 is provided on the upper surface of base 7, the inner wall of fastening groove 8 is an inclined plane with a certain gradient, the outer circumference of the bottom of cooling mold 1 is provided with a tapered boss 6 formed with a slope angle matched with the inclined plane, through placing tapered boss 6 in fastening groove 8, the stability of cooling mold 1 is effectively increased, thereby effectively solving the pouring process, because the liquid metal has fluidity and the expansion pressure existing during the cooling process, the quality of the formed sample is poor, the molten iron is easy to run, thereby the white mouth uniformity of the sample is improved, the density uniformity, and further the accuracy of the spectral analysis is ensured, and the smooth production is further ensured.

The cooling mold 1 is composed of a left mold body 101 and a right mold body 102 which are arranged in bilateral symmetry, the top of the butted surface of the left mold body 101 and the right mold body 102 is provided with a horn-shaped notch 201, the two horn-shaped notches 201 are closed to form a horn-shaped sprue gate 2 for pouring molten iron, through the arrangement of the horn-shaped sprue gate 2, a molten iron sample prepared by adopting a vertical pouring mode has high material utilization rate, the workload of subsequent processing steps such as grinding and the like is greatly reduced, meanwhile, the horn-shaped sprue gate facilitates the operability of pouring, a cylindrical inner pouring runner 3 butted by arc-shaped grooves 301 symmetrically arranged on the left mold body 101 and the right mold body 102 is connected below the sprue gate 2, a cooling mold cavity 4 butted by circular concave cavities 401 symmetrically arranged on the left mold body 101 and the right mold body 102 is arranged below the inner pouring runner 3, the cavity wall of the circular cavity 401 is provided with the vent hole 5 penetrating through the cooling die 1, when molten iron is poured, most of gas in the molten iron is discharged from the horn-shaped pouring port 2, and a small number of bubbles are discharged from the vent hole 5, so that the generation of internal air holes of a molten iron sample is further avoided, the qualification rate of the molten iron component sample is effectively improved, the cooling die cavity 4 is in a racket shape and is 5mm in thickness, the pouring port 2, the inner pouring runner 3 and the cooling die cavity 4 are in a continuous and bilateral symmetrical cavity-shaped structure, the left die body 101 and the right die body 102 are combined together to form the cooling die cavity 4, then the molten iron enters the cooling die cavity 4 through the horn-shaped pouring port 2 and the inner pouring runner 3, the molten iron sample is obtained after cooling, and the molten iron sample can form 2 detection surfaces due to the racket shape with the thickness of 5mm of the cooling die cavity, the inspection effect is improved, the analysis error of the spectrum analyzer is reduced, the sampling times are reduced, and the testing speed of the spectrum analyzer on molten iron component sample metal is effectively improved.

The half bosses 601 are symmetrically and fixedly arranged below the left mold body 101 and the right mold body 102, the two half bosses 601 are butted to form a conical boss 6, the conical boss 6 is wide at the top and narrow at the bottom, the round platform-shaped base 7 is arranged below the conical boss 6, the fastening groove 8 matched with the conical boss 6 is formed in the upper surface of the base 7, the top hole 9 penetrating through the base is vertically formed below the fastening groove 8, when a molten iron sample formed in the cooling mold cavity 4 is taken out, the cooling mold 1 is ejected out through the top hole 9 by using a tool, then the left mold body 101 and the right mold body 102 are broken off, the molten iron sample can be taken out, the operation is simple, the mold opening is convenient, and the requirement for fast rhythm of blast furnace production is met.

The material of cooling die 1 is 45 # steel, chooses for use to be 45 # steel through the material with cooling die 1, and the volume of cooling die 1 is greater than the volume of institute's cast iron water composition sample for this cooling die 1 has fine thermal diffusivity, and the molten iron sample internal organization of being convenient for evenly precipitates, and the degree of whitening is high, and the white layer is difficult for wearing off, makes the analysis of molten iron composition sample more accurate.

The utility model discloses a theory of operation is: when needs carry out the mould to molten iron composition sample, through being in the same place left die body 101 and right die body 102 butt joint, then insert the fastening groove 8 of seting up on the base 7 with the toper boss 6 of left die body 101 and the butt joint of right die body 102 bottom, make left die body 101 and right die body 102 two parts combine inseparabler, firm, then pour the molten iron, the mouth 2 is pour through the horn shape to the molten iron, 3 entering cooling die cavity 4 of interior runner, be the molten iron sample after the cooling, because cooling die cavity 4 sets up to thickness 5 mm's racket nature, make the molten iron sample can form 2 check faces, the inspection effect has been improved, the analytical error of spectral analysis appearance has been reduced, thereby the sampling number of times has been reduced, thereby the effectual spectral analysis appearance is to the chemical examination speed of molten iron composition sample metal that has improved.

When a molten iron component sample needs to be taken out, the lower surface of the base 7 is provided with the top hole 9 penetrating through the base, a tool is used for ejecting the cooling mold 1, and then the left mold body 101 and the right mold body 102 are broken off, so that the molten iron sample can be taken out.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, and the two elements may be connected through an intermediate medium.

The above description is provided for further details of the present invention, and it should not be assumed that the present invention is limited to these descriptions, and it will be appreciated by those skilled in the art that various modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a molten iron composition sample metal cooling mould, includes cooling mould (1), its characterized in that: the cooling die (1) is composed of a left die body (101) and a right die body (102) which are arranged in a bilateral symmetry mode, symmetrical horn-shaped notches (201) are formed in the tops of the left die body (101) and the right die body (102), two notches (201) are butted to form a horn-shaped pouring opening (2), symmetrical arc-shaped grooves (301) are formed in the left die body (101) and the right die body (102), two arc-shaped grooves (301) are butted to form a cylindrical inner pouring runner (3), the inner pouring runner (3) is arranged under the pouring opening (2) and communicated with the pouring opening (2), circular cavities (401) are further formed in the left die body (101) and the right die body (102), two cavities (401) are butted to form a cooling die cavity (4), the cooling die cavity (4) is arranged under the inner pouring runner (3) and communicated with the inner pouring runner (3), and exhaust holes (5) penetrating through the cooling die (1) are formed in the cavity wall of the circular die body (401).

2. The metal cooling mold for molten iron composition samples according to claim 1, characterized in that: the cooling die cavity (4) is in a racket shape, and the thickness of the cooling die cavity is 5mm.

3. The metal cooling mold for molten iron composition samples according to claim 1, characterized in that: the left die body (101) and the right die body (102) are symmetrically and fixedly provided with half bosses (601) below, the two half bosses (601) are butted to form a conical boss (6), and the conical boss (6) is wide in top and narrow in bottom.

4. The molten iron component sample metal cooling mold according to claim 3, characterized in that: the improved conical boss is characterized in that a round table-shaped base (7) is arranged below the conical boss (6), a fastening groove (8) matched with the conical boss (6) is formed in the upper surface of the base (7), and a top hole (9) penetrating through the base (7) is vertically formed in the lower portion of the fastening groove (8).

5. The metal cooling mold for molten iron composition samples according to claim 1, characterized in that: the cooling die (1) is made of steel.