CN223185538U - Pouring head structure of molten iron pouring machine - Google Patents

Abstract

The utility model provides a pouring head structure of a molten iron pouring machine, which relates to the field of pouring machines and comprises a filtering component, a pouring head shell and a connecting component, wherein the filtering component is fixed at the upper end of the pouring head shell and comprises a connecting end and a mounting plate, a filter screen is arranged in the mounting plate, the lower end of the pouring head shell is connected with a conical section, the lower end of the conical section is connected with a vertical section, a movable rod is inserted in the vertical section in a sliding manner, the upper end of the movable rod is connected with a sealing block, the connecting component is movably connected to the outer side of the vertical section, a spring is arranged on the outer side of the vertical section, and the spring is arranged on the upper side of the connecting component. The utility model solves the problems that the casting head of the existing casting machine lacks moving collision protection and the slag in the metal stock solution is not filtered in the pumping process.

Description

Casting head structure of molten iron casting machine

Technical Field

The utility model relates to the technical field of casting machines, in particular to a casting head structure of a molten iron casting machine.

Background

The casting is a metal hot working process which is relatively early mastered by human beings, and is a method for obtaining a part or a blank by casting liquid metal into a casting cavity which is suitable for the shape of the part, and after the liquid metal is cooled and solidified, the cast metal comprises copper, iron, aluminum, tin, lead and the like, the materials of a common casting mold comprise raw sand, clay, sodium silicate, resin and other auxiliary materials, and the casting mold for special casting comprises investment casting, metal mold casting, ceramic mold casting and the like, and a casting machine is required to be used in the casting process. Through retrieving, prior art (publication number: CN 213729293U), the description "a casting is with stable efficient casting machine, including the base, the left side fixed mounting at base top has the smelting pot, the front of smelting pot is provided with control panel, the top intercommunication of smelting pot has the loading hopper, the top fixed mounting of base has the pump machine, and the import of pump machine communicates with the smelting pot through the pipeline, the export of pump machine has metal collapsible tube through the pipeline intercommunication, the right side fixed mounting at base top has first electric telescopic handle, the top fixed mounting of first electric telescopic handle has the pipe strap. The utility model is provided with a base, a smelting furnace, a control panel, a pump, a metal hose, a first electric telescopic rod, a casting head, a metal pipe, a pipe clamp, a charging hopper, a preformed hole, a second electric telescopic rod, a stabilizing plate and a universal wheel, and solves the problems that the existing casting machine is inconvenient to move, the stability of the casting machine with rollers is poor, only one casting opening is provided, and the working efficiency is low. "

The prior art pouring machine has the advantages that the working efficiency is improved through the double pouring heads, but the defects that the phenomenon that the pouring heads collide when the pouring heads are moved downwards to a casting mould possibly exists due to improper operation of the pouring heads, the pouring heads are easy to damage due to lack of protection, and secondly, the detachable filtering structure is lack in the pouring heads, so that mixing slag is easy to mix in molten metal stock in the pumping process of a pump, and the pouring quality is reduced are still existed in the prior art.

Disclosure of utility model

In order to overcome the defects existing in the prior art, a casting head structure of a molten iron casting machine is provided at present, so that the problems that a casting head of the existing casting machine lacks moving collision protection and slag in a metal stock solution is filtered in a pumping process are solved.

In order to achieve the above purpose, the pouring head structure of the molten iron pouring machine comprises a filtering component, a pouring head shell and a connecting component, wherein the filtering component is fixed at the upper end of the pouring head shell and comprises a connecting end and a mounting plate, a filter screen is arranged inside the mounting plate, the lower end of the pouring head shell is connected with a conical section, the lower end of the conical section is connected with a vertical section, a movable rod is inserted in the vertical section in a sliding manner, meanwhile, the upper end of the movable rod is connected with a sealing block, the connecting component is movably connected to the outer side of the vertical section, a spring is arranged on the outer side of the vertical section, and the spring is arranged on the upper side of the connecting component.

Furthermore, through holes are formed in the connecting end and the mounting plate, and the mounting plate is fixed to the upper end of the casting head shell through bolts.

Furthermore, the filter screen is of a mesh structure made of silicon carbide, and is inserted into a cavity formed in the casting head shell.

Further, the cavity that the inside of taper section and vertical section was seted up communicates with pouring head shell inner chamber, and the inboard of vertical section is equipped with sealed inner wall to sealed inner wall downside is equipped with the dilatation chamber.

Further, the lower end of the vertical section is connected with a flow guiding section, and the inner side of the flow guiding section is provided with a circulation gap.

Further, the upper end of the sealing block is provided with an arc-shaped surface, the sealing block is hung on the inner side of the inner sealing wall, and the sealing block is of a structure with a wide upper part and a narrow lower part.

Further, the connecting assembly comprises a slip ring, the slip ring is connected to the outer side of the vertical section in a sliding mode, a vertical rod is connected to the lower side of the outer edge of the slip ring, and meanwhile an inclined rod is connected to the lower end of the vertical rod.

Further, the lower end of the movable rod extends outside the vertical section, and the lower end of the inclined rod is fixed on the outer wall of the movable rod.

The utility model has the beneficial effects that:

1. When the casting head is moved, the connecting component, the movable rod and the spring are used for enabling the lower end of the movable rod to contact the inner wall of the casting die cavity, at the moment, the movable rod is used for moving upwards to push the sealing block, the inner space of the sealing inner wall is further released, the upper space of the vertical section is larger than the outer diameter of the sealing block, the inner metal stock solution flows downwards, then the metal stock solution is guided to the outer wall of the movable rod through the guide section and then flows downwards along the outer wall of the movable rod, the casting effect is achieved, meanwhile, when the casting head is moved downwards, the spring, the movable rod and the connecting component are used for obtaining a buffering effect, and meanwhile, when the metal stock solution which slides downwards along the outer wall of the movable rod flows into the die cavity, the speed is gentle, and the generation of bubbles is reduced;

2. Utilize link, mounting panel and the filter screen that filter unit included for when pouring, the metal stoste through the pump sending is filtered by the filter screen, and then avoids the material sediment in the metal stoste to flow into down and get into in the die cavity, has guaranteed pouring quality, simultaneously through mounting panel and bolt, is convenient for dismantle link and mounting panel are whole, and then take out the filter screen, realize the effect of convenient to detach clearance.

Drawings

Fig. 1 is a schematic front view of an embodiment of the present utility model.

Fig. 2 is a schematic cross-sectional structure of an embodiment of the present utility model.

Fig. 3 is a schematic diagram of a structure a in fig. 2 according to an embodiment of the present utility model.

Fig. 4 is a schematic diagram of the structure B in fig. 2 according to an embodiment of the present utility model.

The device comprises a filtering component 1, a connecting end 12, a mounting plate 13, a filter screen 2, a casting head shell 21, a conical section 22, a vertical section 221, a sealing inner wall 222, a flow guiding section 223, a flowing gap 224, a capacity expansion cavity 23, a movable rod 231, a sealing block 232, an arc-shaped surface 3, a spring 4, a connecting component 41, a slip ring 42, a vertical rod 43 and an inclined rod.

Detailed Description

Referring to fig. 1 to 4, the utility model provides a casting head structure of a molten iron casting machine, which comprises a filter assembly 1, a casting head shell 2 and a connecting assembly 4, wherein the filter assembly 1 is fixed at the upper end of the casting head shell 2, the filter assembly 1 comprises a connecting end 11 and a mounting plate 12, a filter screen 13 is arranged in the mounting plate 12, the lower end of the casting head shell 2 is connected with a conical section 21, the lower end of the conical section 21 is connected with a vertical section 22, a movable rod 23 is inserted in the vertical section 22 in a sliding manner, the upper end of the movable rod 23 is connected with a sealing block 231, the connecting assembly 4 is movably connected at the outer side of the vertical section 22, a spring 3 is arranged at the outer side of the vertical section 22, the spring 3 is arranged at the upper side of the connecting assembly 4, the connecting assembly 4 comprises a sliding ring 41, the sliding ring 41 is slidably connected at the outer side of the vertical section 22, the lower side of the outer edge of the sliding ring 41 is connected with a vertical rod 42, the lower end of the vertical rod 42 is connected with an inclined rod 43, the lower end of the movable rod 23 extends at the outer side of the vertical section 22, and the lower end of the inclined rod 43 is fixed at the outer wall of the movable rod 23.

In the present embodiment, the filter assembly 1, the casting head housing 2 and the connection assembly 4 constitute a casting head structure of the molten iron casting machine according to the present application.

Specifically, the upper end of the connecting end 11 is connected with a metal hose, and the outer side of the casting head shell 2 is lifted and moved by a connected electric push rod.

Specifically, the vertical bars 42 and the inclined bars 43 are arranged around the vertical section 22 at equal intervals in a ring shape, so that the effect of lateral movement protection is formed outside the casting head while the vertical sliding is damped up and down.

Specifically, the outer diameter of the conical section 21 is larger than that of the vertical section 22, and the spring 3 is arranged between the vertical section 22 and the conical section 21, so that the shock absorption protection effect on the connecting assembly 4 is realized.

As shown in fig. 2, through holes are formed in the connecting end 11 and the mounting plate 12, the mounting plate 12 is fixed at the upper end of the casting head shell 2 through bolts, the filter screen 13 is of a mesh structure made of silicon carbide, and the filter screen 13 is inserted into a cavity formed in the casting head shell 2.

As a preferred embodiment, the mesh filter net 13 of the silicon carbide structure is provided so as to have the effect of preventing the hot metal from being heated and filtering the hot metal.

As shown in fig. 2 and 4, the cavities formed in the conical section 21 and the vertical section 22 are communicated with the inner cavity of the casting head shell 2, the inner side of the vertical section 22 is provided with a sealing inner wall 221, the lower side of the sealing inner wall 221 is provided with a capacity expansion cavity 224, the lower end of the vertical section 22 is connected with a flow guiding section 222, the inner side of the flow guiding section 222 is provided with a circulation gap 223, the upper end of the sealing block 231 is provided with an arc-shaped surface 232, the sealing block 231 is hung on the inner side of the sealing inner wall 221, and the sealing block 231 is of a structure with a wide upper part and a narrow lower part.

Specifically, the inner wall of the sealing inner wall 221 and the inner wall of the expansion cavity 224 are integrally formed into a kidney-shaped cavity structure, and the sealing block 231 is located at the upper side of the kidney-shaped cavity, so that under the action of the spring 3, the sealing block 231 automatically seals the kidney-shaped cavity.

Specifically, the flow guiding section 222 is of a conical pipe structure with a wide upper part and a narrow lower part, so that the descending metal stock solution is abutted against the surface of the movable rod 23 to be guided downwards, the casting smoothness of the metal stock solution is improved, and the probability of generating bubbles is reduced.

During the use, when removing the pouring head, metal stoste is filtered by filtering module at first, through coupling assembling, movable rod and spring, when the movable rod lower extreme contacted the pouring die cavity inner wall, continue to move down this moment, can upwards remove through the movable rod and promote the sealing piece, and then release the inboard space of sealing inner wall, and vertical section upside space is greater than the sealing piece external diameter, make inside metal stoste flow downwards, then make the metal stoste be guided to the movable rod outer wall through the water conservancy diversion section, then follow the movable rod outer wall downstream downwards, and then realize the effect of pouring, obtain the cushioning effect through spring and movable rod and coupling assembling when the pouring head is removed downwards, simultaneously when flowing into the die cavity along the metal stoste of movable rod outer wall whereabouts, because the speed is comparatively mild, reduce the production of bubble.

The casting head structure of the molten iron casting machine can effectively solve the problems that the casting head of the existing casting machine lacks moving collision protection and lacks filtering slag in the metal stock solution in the pumping process, increases the moving collision protection effect on the casting head on the basis of the casting head structure technology of the existing molten iron casting machine, improves the flow smoothness of the metal stock solution in the casting process, and simultaneously has the effect of filtering the metal stock solution.

Claims (8)

1. The pouring head structure of the molten iron pouring machine comprises a filtering component (1), a pouring head shell (2) and a connecting component (4) and is characterized in that the filtering component (1) is fixed at the upper end of the pouring head shell (2), the filtering component (1) comprises a connecting end (11) and a mounting plate (12), a filter screen (13) is arranged inside the mounting plate (12), the lower end of the pouring head shell (2) is connected with a conical section (21), the lower end of the conical section (21) is connected with a vertical section (22), a movable rod (23) is inserted in the vertical section (22) in a sliding mode, meanwhile, the upper end of the movable rod (23) is connected with a sealing block (231), the connecting component (4) is movably connected to the outer side of the vertical section (22), a spring (3) is arranged on the outer side of the vertical section (22), and the spring (3) is arranged on the upper side of the connecting component (4).

2. The casting head structure of the molten iron casting machine according to claim 1, wherein the connecting end (11) and the mounting plate (12) are provided with through holes, and the mounting plate (12) is fixed at the upper end of the casting head shell (2) through bolts.

3. The casting head structure of the molten iron casting machine according to claim 1, wherein the filter screen (13) is a mesh structure made of silicon carbide, and the filter screen (13) is inserted into a cavity formed in the casting head shell (2).

4. The casting head structure of the molten iron casting machine according to claim 1, wherein cavities formed in the conical section (21) and the vertical section (22) are communicated with an inner cavity of the casting head shell (2), a sealing inner wall (221) is arranged on the inner side of the vertical section (22), and a capacity expansion cavity (224) is formed on the lower side of the sealing inner wall (221).

5. The casting head structure of the molten iron casting machine according to claim 1, wherein the lower end of the vertical section (22) is connected with a guide section (222), and a circulation gap (223) is provided inside the guide section (222).

6. The casting head structure of the molten iron casting machine according to claim 1, wherein the upper end of the sealing block (231) is provided with an arc surface (232), the sealing block (231) is hung on the inner side of the inner sealing wall (221), and the sealing block (231) is of a structure with a wide upper part and a narrow lower part.

7. Pouring head structure of a molten iron pouring machine according to claim 1, characterized in that the connection assembly (4) comprises a slip ring (41), and that the slip ring (41) is slidingly connected to the outside of the vertical section (22), and that the lower side of the outer edge of the slip ring (41) is connected with a vertical rod (42), while the lower end of the vertical rod (42) is connected with a tilting rod (43).

8. The casting head structure of the molten iron casting machine according to claim 1, wherein the lower end of the movable rod (23) extends outside the vertical section (22), and the lower end of the inclined rod (43) is fixed to the outer wall of the movable rod (23).