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CN-224222676-U - Casting system for horizontal parting production of ring-like spheroidal graphite cast iron blank by precoated sand

CN224222676UCN 224222676 UCN224222676 UCN 224222676UCN-224222676-U

Abstract

The utility model relates to the technical field of pouring devices, in particular to a pouring system for horizontal parting production of ring-like spheroidal graphite cast iron blanks by precoated sand, which comprises a pouring cup for feeding, wherein a filter box is connected above the pouring cup, a filter plate for filtering impurities in molten metal is connected to the inner wall of the filter box, one side of the filter box is connected with a direct current channel plate for conveying the molten metal, and a stepped channel for smooth transition of the molten metal is arranged in the direct current channel plate. According to the pouring system for the horizontal parting production of the annular spheroidal graphite cast iron blank by the precoated sand, when molten metal flows into the forming die through the tangential inner pouring gate, the molten metal forms a rotational flow state, turbulent flow gas rolling is reduced, and the molten metal is influenced by gravity through the stepped lanes and uniformly flows out of the liquid outlet to be stably transited.

Inventors

  • WU HAN
  • ZHANG HAO
  • XU WEI

Assignees

  • 成都金顶精密铸造有限公司

Dates

Publication Date
20260512
Application Date
20250704

Claims (7)

  1. 1. A pouring system for horizontal parting production of ring-like spheroidal graphite cast iron blanks by precoated sand is characterized by comprising a pouring cup (1) for feeding, wherein a filter box (2) for conveying molten metal is connected above the pouring cup (1), a filter plate (9) for filtering impurities in the molten metal is connected to the inner wall of the filter box (2), one side of the filter box (2) is connected with a direct current channel plate (3) for conveying the molten metal, and a step (10) for smooth transition of the molten metal is formed in the direct current channel plate (3).
  2. 2. The casting system for horizontal parting production of ring-like spheroidal graphite cast iron blanks by precoated sand as claimed in claim 1, wherein the upper part of the inner wall of the stepped lane (10) is provided with a through hole (13) for exhaust and feeding.
  3. 3. The casting system for horizontal parting production of ring-like spheroidal graphite cast iron blanks by precoated sand as claimed in claim 1, wherein the front part and the rear part of the stepped lane (10) are provided with liquid outlets (11) for conveying molten metal.
  4. 4. The casting system for horizontal parting production of ring-like spheroidal graphite cast iron blanks by precoated sand according to claim 2, wherein the outside of the direct current channel plate (3) is connected with a diversion table (4) for supporting the direct current channel plate (3), a compensating pipe (5) for supplementing molten metal and exhaust is connected above the diversion table (4) through screw threads of a screw hole, and the compensating pipe (5) is arranged above the through hole (13).
  5. 5. The casting system for horizontal parting production of ring-like spheroidal graphite cast iron blanks by precoated sand according to claim 4, wherein the front part and the rear part of the diversion table (4) are connected with diversion pipe fittings (6) for conveying molten metal, and one end of the diversion pipe fittings (6) far away from the diversion table (4) is connected with a forming die (7) for forming molten metal.
  6. 6. The casting system for horizontal parting production of ring-like spheroidal graphite cast iron blank with precoated sand as set forth in claim 5, wherein the inner wall of the forming mold (7) near the diverting pipe fitting (6) is provided with a tangential inner gate (12) for filling molten metal by rotational flow.
  7. 7. The casting system for horizontal parting production of ring-like spheroidal graphite cast iron blank by precoated sand as claimed in claim 5, wherein the upper part of the forming die (7) is connected with an exhaust pipe (8) for exhausting through a threaded hole.

Description

Casting system for horizontal parting production of ring-like spheroidal graphite cast iron blank by precoated sand Technical Field The utility model relates to the technical field of pouring devices, in particular to a pouring system for horizontal parting production of ring-like spheroidal graphite cast iron blanks by precoated sand. Background The gating system refers to a series of equipment and passages used to transfer liquid metal from the casting equipment to the mold during the casting process, which is a critical part of the casting process to ensure that the metal flows smoothly and uniformly into the mold to form the desired casting. The existing casting system for horizontal parting production of ring-like spheroidal graphite cast iron blank by precoated sand has certain defects, such as; When the existing casting system for horizontal parting production of ring-like spheroidal graphite cast iron blanks by precoated sand is used for casting, a pouring gate entering the mould is generally vertical to a cavity in the mould, a large amount of turbulent air is generated in the casting process, bubbles are easily generated to influence casting molding, a casting channel is generally horizontal, and air in molten metal flows into the mould together with the molten metal, so that the molten metal flows unstably. Disclosure of utility model The utility model aims to provide a pouring system for horizontal parting production of ring-like spheroidal graphite cast iron blanks by precoated sand, so as to solve the problems of the prior art. The pouring system for horizontal parting production of the ring-like spheroidal graphite cast iron blank by using the precoated sand comprises a pouring cup for feeding, wherein a filter box is connected above the pouring cup, and a filter plate for filtering impurities in molten metal is connected on the inner wall of the filter box; one side of the filter box is connected with a direct current channel plate for conveying molten metal, and a stepped channel for smooth transition of the molten metal is formed in the direct current channel plate. Preferably, a through hole for exhausting is formed above the inner wall of the stepped lane. Preferably, the front part and the rear part of the stepped lane are both provided with liquid outlets for conveying molten metal. Preferably, the outside of direct current way board is connected with the reposition of redundant personnel platform that is used for supporting, the top of reposition of redundant personnel platform is through screw hole threaded connection there being the compensation pipe that is used for supplementing the molten metal, the compensation pipe sets up the top at the through-hole. Preferably, the front part and the rear part of the diversion table are both connected with a diversion pipe fitting for conveying molten metal, and one end of the diversion pipe fitting, which is far away from the diversion table, is connected with a forming die for forming the molten metal. Preferably, a tangential inner gate for molten metal cyclone filling is arranged on the inner wall of the forming die close to the split pipe fitting. Preferably, an exhaust pipe for exhausting is connected above the forming die through screw threads of a screw hole. Compared with the prior art, the utility model has the beneficial effects that: 1. When the molten metal flows into the forming die through the tangential inner gate, the molten metal forms a swirl state, so that turbulent flow gas entrainment is reduced; 2. through the stepped path, the molten metal is influenced by gravity and flows out of the liquid outlet uniformly, so that the molten metal is in stable transition. Drawings FIG. 1 is a schematic perspective view of a pouring cup according to the present utility model; FIG. 2 is a schematic perspective view of a splitter table according to the present utility model; FIG. 3 shows a straight flow channel plate according to the present utility model schematic diagram of a three-dimensional cross-section structure; FIG. 4 is a schematic view of a cross-sectional front view of a flow straightening plate according to the present utility model; FIG. 5 shows a splitter table according to the present utility model schematic diagram of a three-dimensional cross-section structure; FIG. 6 is a schematic perspective view of a diverting tube according to the present utility model; FIG. 7 is a schematic view of a three-dimensional cross-sectional structure of a tangential in-gate according to the present utility model. In the figure, 1, a pouring cup; 2, a filter box, 3, a direct current channel plate, 4, a diversion table, 5, a compensating pipe, 6, a diversion pipe fitting, 7, a forming die, 8, an exhaust pipe, 9, a filter plate, 10, a stepped channel, 11, a liquid outlet, 12, a tangential inner gate and 13, a through hole. Detailed Description The following description of the embodiments of the present utility model will be made clearly a