Valve accessory casting equipment and method

Abstract

The invention relates to the technical field of valve accessory casting, and provides a valve accessory casting device and method.The valve accessory casting device comprises a transverse moving rail, a plurality of casting box bodies and a plurality of closed top covers, and the multiple casting box bodies are connected with one another and movably arranged on the transverse moving rail; a low-pressure capping structure is arranged on one side of the transverse moving rail, a plurality of bottom forming molds are fixedly connected into the casting box body, a plurality of top forming molds are arranged at the bottom of the closed top cover, and the bottom forming molds correspond to the top forming molds one to one. The top forming mold communicates with the top of the closed top cover, and a top cover pushing structure is arranged on one side of the transverse moving rail. By means of the technical scheme, the problems that in the prior art, when the valve accessories are cast, the multiple valve accessories are cast into one casting box, the casting time is too long, and casting flaws are large are solved.

Claims

1. A valve fitting casting device, comprising a transverse track (1), a plurality of casting boxes (2) and a plurality of closed top covers (3), wherein the plurality of casting boxes (2) are interconnected and are all movably arranged on the transverse track (1), and a low-pressure cover structure (4) is provided on one side of the transverse track (1), characterized in that: It further includes: A bottom forming die (5) and a top forming die (6). A plurality of the bottom forming dies (5) are fixedly connected inside the casting box body (2). A plurality of the top forming dies (6) are arranged at the bottom of the closed top cover (3). The bottom forming die (5) and the top forming die (6) are in one-to-one correspondence. The top forming die (6) is communicated with the top of the closed top cover (3); A top cover pushing structure (100). The top cover pushing structure (100) is arranged on one side of the transverse movement track (1). The top cover pushing structure (100) is used to move the closed top cover (3) towards the bottom of the low-pressure covering structure (4). The low-pressure covering structure (4) can buckle the closed top cover (3) onto the casting box body (2); A flat-tube casting structure (200). The flat-tube casting structure (200) is arranged on the transverse movement track (1). The flat-tube casting structure (200) is used to cast molten metal into a plurality of the top forming dies (6) in sequence.

2. A valve fitting casting device according to claim 1, characterized in that: During the lateral movement of the casting box body (2) along the transverse movement track (1), it sequentially passes through the top cover pushing structure (100), the low-pressure covering structure (4), and the flat-tube casting structure (200).

3. A valve fitting casting device according to claim 2, characterized in that: The top cover pushing structure (100) includes: A U-shaped sliding groove frame (7). The U-shaped sliding groove frame (7) is fixedly connected to the top of the transverse movement track (1). Wherein, slope-shaped blanking side walls (8) and flat surface receiving end faces (9) are arranged on both sides of the U-shaped sliding groove frame (7); Rotating wheels (10). A plurality of the rotating wheels (10) are rotatably connected to the flat surface receiving end face (9). The closed top cover (3) is movably arranged on the rotating wheels (10); A hydraulic cylinder device (11). The hydraulic cylinder device (11) is arranged on the U-shaped sliding groove frame (7). A pushing plate (12) for pushing the closed top cover (3) is arranged on the output end of the hydraulic cylinder device (11).

4. A valve fitting casting device according to claim 3, characterized in that: Engaging slide rails (13) are fixedly connected to both sides of the top of the closed top cover (3). Magnetic strips (14) are embedded on both sides of the inner bottom wall of the engaging slide rails (13).

5. The valve fitting casting equipment according to claim 4, characterized in that: A balanced abutting cover (15) is fixedly connected to the output end of the low-pressure covering structure (4). Two engaging sliding seats (16) are arranged on both sides of the balanced abutting cover (15). The engaging sliding seats (16) are in penetration engagement with the inner wall of the engaging slide rails (13). An electromagnet (17) is arranged at the bottom of the engaging sliding seats (16). The electromagnet (17) is magnetically connected to the magnetic strip (14). When the low-pressure covering structure (4) drives the balanced abutting cover (15) to descend, the closed top cover (3) can be engaged with the casting box body (2).

6. A valve fitting casting device according to claim 5, characterized in that: A rectangular or cylindrical filling port (18) is communicated between the top forming die (6) and the top of the closed top cover (3).

7. A valve fitting casting device according to claim 6, characterized in that: The flat-tube casting structure (200) includes: Flat casting cylinder (19), the flat casting cylinder (19) is fixedly connected to the upper side of the transverse movement track (1), a rectangular or cylindrical liquid discharge groove (20) is communicated with the bottom of the flat casting cylinder (19), and a plurality of molten liquid flow through grooves (21) are arranged in the flat casting cylinder (19); Flat liquid discharge cylinder (22), the flat liquid discharge cylinder (22) is slidably arranged in the flat casting cylinder (19), and cylindrical or rectangular liquid discharge channels (23) are fixedly connected through both sides of the flat liquid discharge cylinder (22), and a liquid inlet structure is communicated between one sides of the plurality of liquid discharge channels (23).

8. The valve fitting casting equipment according to claim 7, characterized in that: The liquid inlet structure includes: Flow channel (24), the flow channel (24) is communicated with one side of the flat liquid discharge cylinder (22), and the liquid discharge channel (23) is communicated with the flow channel (24); Liquid inlet tank body (25), the liquid inlet tank body (25) is communicated with the top of the flow channel (24), and the metal molten liquid enters the plurality of liquid discharge channels (23) through the liquid inlet tank body (25) and the flow channel (24).

9. The valve fitting casting equipment according to claim 8, characterized in that: A current limiting component for closing the liquid discharge channel (23) is arranged in the flow channel (24) to prevent the metal molten liquid from flowing into the liquid discharge channel (23) not corresponding to the liquid discharge groove (20).

10. A valve accessory casting method using the valve accessory casting equipment according to claim 9, characterized in that: Including the following steps: Step 1: Combine the casting chamber: Move the casting box body (2) to the bottom of the 冂-shaped sliding groove frame (7), move the closed top cover (3) to the 冂-shaped sliding groove frame (7), the hydraulic cylinder device (11) drives the closed top cover (3) to move, so that the closed top cover (3) keeps the position corresponding when horizontally moving on the top of the casting box body (2), then move the casting box body (2) and the closed top cover (3) together to the bottom of the low-pressure covering structure (4), then keep the connection between the closed top cover (3) and the low-pressure covering structure (4), the low-pressure covering structure (4) drives the closed top cover (3) to descend and keep the connection with the top of the casting box body (2), and then make the bottom forming die (5) and the top forming die (6) fit together to form a casting chamber; Step 2: Cast valve fittings: Continue to move the casting box body (2), move the casting box body (2) and the closed top cover (3) together to the bottom of the flat casting cylinder (19), drive the flat liquid discharge cylinder (22) to move in the flat casting cylinder (19), so that the metal molten liquid is discharged from top to bottom into the flat casting cylinder (19) internally. When the metal molten liquid is discharged from the liquid discharge channel (23) into the flat casting cylinder (19), the metal molten liquid flows in the molten liquid flow through groove (21), and then the metal molten liquid enters the filling port (18) through the corresponding liquid discharge groove (20), completing the casting operation of the metal molten liquid into the casting chamber, and subsequently forming the valve fittings.

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