CN217647433U - Gate structure of multi-heat-section nodular iron casting - Google Patents

Abstract

The utility model discloses a runner structure of many hot festival nodular iron castings, including the watering cover, the bottom surface fixedly connected with watering pipe of watering cover, the outer fixed surface of watering pipe is connected with annular recess, the small opening has been seted up to watering cover's bottom surface, watering cover's bottom surface fixedly connected with annular cover, annular cover's bottom extends to annular recess's inside, two screw thread mouths have been seted up to annular recess's inside wall, two the equal threaded connection of inner wall of screw thread mouth has set screw, watering pipe's bottom fixedly connected with watering dish, the mouth of pouring has been seted up to watering dish's upper surface. This runner structure of many hot sections nodular iron casting through the pouring basin cover that the pouring basin top set up, will make cast iron liquid more convenient when pouring into, prevents that the phenomenon that the liquid iron appears splashing when pouring into, has reduced the nodular iron casting and has pour the waste of raw materials, the potential safety hazard that causes when avoiding the liquid iron to pour into simultaneously.

Description

Gate structure of multi-heat-section nodular iron casting

Technical Field

The utility model belongs to the technical field of nodular cast iron and specifically relates to a runner structure of many hot festival nodular cast iron.

Background

The nodular cast iron is a high-strength cast iron material, the comprehensive performance of the nodular cast iron is close to that of steel, and the nodular cast iron is successfully used for casting parts with complex stress and high requirements on strength, toughness and wear resistance based on the excellent performance of the nodular cast iron.

In the pouring process of the multi-heat-section nodular iron casting, a pouring gate structure is needed to pour the nodular iron casting, and in the existing pouring gate structure, a pouring gate pipe is usually adopted to inject molten iron, but the molten iron is easy to splash during injection, so that the waste of pouring raw materials is caused, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a runner structure of many hot festival nodular iron castings to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the pouring gate structure of the multi-heat-section nodular iron casting comprises a pouring gate cover, wherein a pouring gate pipe is fixedly connected to the bottom surface of the pouring gate cover, an annular recess is fixedly connected to the outer surface of the pouring gate pipe, a leak hole is formed in the bottom surface of the pouring gate cover, an annular cover is fixedly connected to the bottom surface of the pouring gate cover, the bottom end of the annular cover extends to the inside of the annular recess, two threaded screw openings are formed in the inner side wall of the annular recess, and fixing screws are in threaded connection with the inner walls of the two threaded screw openings.

In a further embodiment, a pouring gate disc is fixedly connected to the bottom end of the pouring gate pipe, a pouring gate is arranged on the upper surface of the pouring gate disc, and the bottom end of the pouring gate pipe is communicated with the top end of the pouring gate.

In a further embodiment, the outer surface of the annular cover is provided with an annular concave hole, one ends of the two fixing screws, which are close to each other, are fixedly connected with fixing pads, and one side faces of the two fixing pads, which are close to each other, are in contact with the inner wall of the annular concave hole.

In a further embodiment, one end of each of the two fixing screws, which is far away from each other, is fixedly connected with an inner hexagonal rotating block, and two sets of mounting holes are formed in the upper surface of the tundish.

In a further embodiment, the bottom end of the leakage hole is fixedly communicated with a flow guide pipe, the outer surface of the sprue pipe is fixedly connected with a heat insulation pipe, and the outer surface of the sprue cover is fixedly connected with a warning board.

In a further embodiment, the inner wall of the pouring cover is fixedly connected with an annular flow guide block, and the bottom end of the annular flow guide block is communicated with the top end of the leak hole.

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

this device is provided with annular recess through runner pipe outside, can support the annular cover of runner cover bottom, be convenient for fix when installing runner cover simultaneously, be provided with screw thread mouth and set screw through annular recess, will make the inside rotation fit of set screw at screw thread mouth, and can press from both sides the clamp to fix the outside of annular cover, thereby can be to the quick fixation of runner cover when runner pipe top installation, and then the runner cover that sets up through runner pipe top, will make cast iron liquid more convenient when pouring into, prevent that the phenomenon that splashes appears when pouring into iron liquid, the waste of the raw materials is pour to the nodular cast iron spare has been reduced, the potential safety hazard that causes when avoiding the iron liquid to pour into simultaneously.

Drawings

Fig. 1 is a schematic perspective view of a gate structure of a multi-heat-section ductile iron casting.

Fig. 2 is a cross-sectional view of a front view of a sprue cover in the sprue structure of the multi-nodular iron casting.

Fig. 3 is a three-dimensional structural diagram of a front view angle in a gate structure of a multi-heat-section ductile iron casting.

Fig. 4 is a partially enlarged structural view of a gate of the multi-nodular iron casting at a point a in fig. 2.

In the figure: 1. a watering cover; 2. an annular recess; 3. a leak hole; 4. a sprue pipe; 5. a tundish; 6. an annular cover; 7. threading a thread opening; 8. a fixing screw; 9. a fixing pad; 10. an annular concave hole; 11. a hexagon socket head cap rotating block; 12. an annular flow guide block; 13. a flow guide pipe; 14. a heat insulating pipe; 15. pouring a port; 16. mounting holes; 17. a warning board.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 1-4, in the utility model, a runner structure of many hot festival nodular iron castings, including watering cover 1, the bottom surface fixedly connected with runner pipe 4 of watering cover 1, the external fixed surface of runner pipe 4 is connected with annular recess 2, leak hole 3 has been seted up to watering cover 1's bottom surface, watering cover 1's bottom surface fixedly connected with annular cover 6, the bottom of annular cover 6 extends to annular recess 2's inside, two screw thread mouths 7 have been seted up to annular recess 2's inside wall, the equal threaded connection of the inner wall of two screw thread mouths 7 has set screw 8.

Bottom fixedly connected with runner pan 5 of runner pipe 4, runner pan 5's upper surface has been seted up and has been pour mouthful 15, runner pipe 4's bottom is linked together with the top of pouring mouthful 15, can communicate with nodular cast iron mould through runner pan 5, thereby can make the better inside of pouring into to nodular cast iron mould of molten iron, annular shrinkage pool 10 has been seted up to the surface of annular cover 6, the equal fixedly connected with fixed bolster 9 of one end that two set screw 8 are close to each other, a side that two fixed bolster 9 are close to each other all contacts with the inner wall of annular shrinkage pool 10, cooperation through annular shrinkage pool 10 and fixed bolster 9, it is inseparabler to make set screw 8 press from both sides the clamp to 6 outsides of annular cover, the improvement is to the outside tight fixed effect of clamp of annular cover 6.

The equal fixedly connected with allen of one end that two set screw 8 kept away from each other changes piece 11, two sets of mounting holes 16 have been seted up to the upper surface of runner dish 5, it is convenient to rotate set screw 8 to utilize allen to change piece 11, through mounting hole 16, will make the runner structure install in nodular cast iron mould's top fast, the bottom mounting intercommunication of small opening 3 has honeycomb duct 13, the external surface fixedly connected with heat insulating tube 14 of runner pipe 4, the external surface fixedly connected with warning sign 17 of runner cover 1, utilize honeycomb duct 13 can be to the downward water conservancy diversion of molten iron, can carry out thermal-insulated processing to the outside of runner pipe 4 through heat insulating tube 14, avoid appearing the phenomenon of scalding, the inner wall fixedly connected with annular water conservancy diversion piece 12 of runner cover 1, the bottom of annular water conservancy diversion piece 12 is linked together with the top of small opening 3, can be to the downward water conservancy diversion of the inside molten iron of runner cover 1 through annular water conservancy diversion piece 12, will accelerate the speed of falling of molten iron, the remaining of molten iron has been reduced simultaneously.

The utility model discloses a theory of operation is: when installing pouring gate cover 1, at first install annular cover 6 in the inside of annular concave seat 2, utilize annular concave seat 2 to support pouring gate cover 1 when the installation, then rotate interior hexagonal turning block 11 through the spanner, will drive set screw 8 and rotate in the inside of screw thread mouth 7, and can make set screw 8 drive fixing pad 9 and press from both sides tight fixedly to the outside of annular cover 6, thereby can effectively fix when installing annular cover 6 and pouring gate cover 1, then alright pour into the inside of pouring gate cover 1 into with the iron liquid, and can make the iron liquid pass through small opening 3, runner pipe 4 and runner dish 5 flow down, until flowing into the inside shaping of nodular cast iron mould.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. A gate structure of a multi-heat-section nodular iron casting is characterized in that: including pouring basin cover (1), bottom surface fixedly connected with pouring basin pipe (4) of pouring basin cover (1), the external fixed surface of pouring basin pipe (4) is connected with annular recess (2), small opening (3) have been seted up to the bottom surface of pouring basin cover (1), bottom surface fixedly connected with annular cover (6) of pouring basin cover (1), the bottom of annular cover (6) extends to the inside of annular recess (2), two screw thread mouths (7), two have been seted up to the inside wall of annular recess (2) the equal threaded connection in inner wall of screw thread mouth (7) has set screw (8).

2. The gate structure for the multi-heat-section ductile iron casting according to claim 1, wherein: the bottom end of the sprue pipe (4) is fixedly connected with a sprue plate (5), a pouring opening (15) is formed in the upper surface of the sprue plate (5), and the bottom end of the sprue pipe (4) is communicated with the top end of the pouring opening (15).

3. The gate structure for multiple-hot section ductile iron castings according to claim 1, wherein: annular shrinkage pool (10), two have been seted up to the surface of annular cover (6) the equal fixedly connected with fixed bolster (9) of one end that set screw (8) are close to each other, two a side that fixed bolster (9) are close to each other all contacts with the inner wall of annular shrinkage pool (10).

4. The gate structure of the multi-heat-section ductile iron casting according to claim 2, wherein: two the equal fixedly connected with hexagon socket head cap commentaries on classics piece (11) of one end that set screw (8) kept away from each other, two sets of mounting holes (16) have been seted up to the upper surface of runner disc (5).

5. The gate structure for multiple-hot section ductile iron castings according to claim 1, wherein: the bottom fixed intercommunication of small opening (3) has honeycomb duct (13), the external fixed surface of pouring gate pipe (4) is connected with heat insulating tube (14), the external fixed surface of pouring gate cover (1) is connected with warning sign (17).

6. The gate structure for the multi-heat-section ductile iron casting according to claim 1, wherein: the inner wall of the pouring cover (1) is fixedly connected with an annular flow guide block (12), and the bottom end of the annular flow guide block (12) is communicated with the top end of the leak hole (3).

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