Double-station collaborative operation casting mold

Abstract

The invention belongs to the field of metal casting, and particularly relates to a double-station collaborative operation casting mold which comprises a left fixed mold, a right fixed mold, guide rods, a movable mold, a conveying cylinder, a first metal pipe, a connecting cylinder and the like, the four guide rods are fixedly connected between the left fixed mold and the right fixed mold, and the movable mold is slidably arranged among the four guide rods in a penetrating mode; conveying cylinders fixedly penetrate through the center positions of the left fixing die and the right fixing die, connecting cylinders fixedly penetrate through the upper portions of the left fixing die and the right fixing die, and first metal pipes are fixedly connected between the conveying cylinders and the connecting cylinders on the same side. By arranging the left fixed mold, the right fixed mold and the movable mold capable of sliding, a double-station alternate operation structure is constructed, an on-off mechanism is matched, a corresponding liquid injection channel is automatically opened after the movable mold and the left fixed mold or the right fixed mold are completely assembled in place, it is ensured that molten metal is only injected into a closed cavity, leakage caused by liquid supply before mold assembly is effectively avoided, and the production efficiency is improved. Meanwhile, waiting delay is eliminated, and the consistency of the production takt and the casting is remarkably improved.

Description

Technical Field

[0001] This invention belongs to the field of metal casting, and particularly relates to a casting mold for dual-station collaborative operation. Background Technology

[0002] Casting molds are key process equipment used to pour, fill, and cool molten liquid metal into solid metal castings with specific geometric shapes, dimensional accuracy, and surface quality requirements. They are usually made of refractory materials and have important industrial applications.

[0003] Currently, commonly used casting molds typically consist of two modules working together to form a single product. Only after completing one cycle of casting, cooling, and demolding can the next operation begin. This single-station operation mode results in the equipment being idle for a long time during the demolding stage, leading to low utilization of effective working time and making it difficult to meet the needs of continuous batch production. In addition, regarding the control of the timing of molten metal injection, if pouring begins before the mold is fully closed, it is very easy for molten metal to leak from the parting surface, forming casting defects such as flash and cold shut, which affects the quality of the casting. On the other hand, if, for the sake of safety, the mold is waited for and confirmed to be fully closed before the material supply is started, a delay will be introduced in each cycle, extending the overall process cycle time.

[0004] Therefore, there is a particular need for a casting mold that allows for dual-station collaborative operation to solve the above problems. Summary of the Invention

[0005] In order to overcome the shortcomings of existing casting molds, such as low effective working time utilization, difficulty in meeting the needs of continuous batch production, and difficulty in balancing leakage prevention and cycle efficiency during liquid injection, this invention provides a casting mold with dual-station collaborative operation.

[0006] This invention is achieved through the following technical means: a casting mold for dual-station collaborative operation, comprising a left fixed mold, a right fixed mold, guide rods, a movable mold, a conveying cylinder, a first metal pipe, a connecting cylinder, a joint, a second metal pipe, a diverter head, and a switching mechanism. Four guide rods are fixedly connected between the left and right fixed molds, and the movable mold slides through the four guide rods. A conveying cylinder is fixedly connected to the center position of both the left and right fixed molds. A connecting cylinder is fixedly connected to the upper part of both the left and right fixed molds. A first metal pipe is fixedly connected between the conveying cylinder and the connecting cylinder on the same side. A joint is fixedly connected to the connecting cylinder, and a second metal pipe is fixedly connected to the top of the joint. A diverter head is fixedly connected between the two ends of the two metal pipes.

[0007] Furthermore, the cavity surfaces on the left and right sides of the movable mold correspond to the cavity surfaces on the inner sides of the left and right fixed molds, respectively.

[0008] Furthermore, it also includes a through motor, a lead screw, and a slider. The through motor is installed on the front and rear sides of the left fixed mold respectively. The lead screw is fixedly installed on the output shaft of the through motor, and the slider is threaded on the lead screw. The slider is fixedly connected to the movable mold.

[0009] Furthermore, two discharge holes are symmetrically opened at one end of the conveying cylinder near the movable mold, and two discharge grooves are opened in both the left and right fixed molds, with the discharge holes aligned with the corresponding discharge grooves.

[0010] Furthermore, a switching mechanism is provided between the left fixed mold, the right fixed mold, and the movable mold. The switching mechanism includes a push plate, a slide rod, a rotating cylinder, a threaded block, a sliding frame, a return spring, a fixed frame, a rotating frame, and a protruding rod. Two push plates are installed side by side on the upper part of the movable mold. A slide rod is slidably inserted inside the connecting cylinder. One end of the slide rod near the movable mold extends to the outside of the connecting cylinder, and two protruding rods are symmetrically fixed to one end. A rotating cylinder is rotatably installed inside the connecting cylinder. An inlet is opened on the surface of the rotating cylinder, and multiple outlets are evenly opened on one side of the rotating cylinder. The slide rod passes horizontally through the center of the rotating cylinder on the same side and forms a sliding seal with the rotating cylinder. A threaded block is fixedly connected to the rotating cylinder. A sliding frame is fixedly installed on the rod section of the slide rod located inside the connecting cylinder. The sliding frame forms a threaded fit with the threaded block on the same side. The sliding frame maintains sliding contact with the inner wall of the connecting cylinder, and a return spring is connected between the sliding frame and the inner wall of the connecting cylinder. Fixed frames are installed on the upper parts of both the left and right fixed molds. A rotating frame is rotatably installed on the fixed frame. Two sliding grooves are symmetrically opened on the upper part of the rotating frame, and the protruding rods slide into the corresponding sliding grooves.

[0011] Furthermore, it also includes a turntable, extrusion blocks, pulleys, a flat belt, connecting rods, return springs, limit rings, and top blocks. Turntables are rotatably mounted on the opposite sides of the left and right fixed molds. Two extrusion blocks are symmetrically fixed to one side of the turntable. Pulleys are fixed to both ends of the lead screw. A flat belt is rotatably mounted between the turntable and the two pulleys on the same side. The diameter of the turntable is several times that of the pulleys. Two connecting rods slide through the left and right fixed molds. A return spring is fitted on the end of the connecting rod near the turntable on the same side. The two ends of the return spring on the left connecting rod are connected to the left fixed mold and the connecting rod, respectively. The two ends of the return spring on the right connecting rod are connected to the right fixed mold and the connecting rod, respectively. Two limit rings are symmetrically fixed to the left and right fixed molds. A top block is fixed to the other end of the connecting rod near the movable mold. The top block slides into the corresponding limit ring.

[0012] Furthermore, the extrusion block is designed as a trapezoidal structure, and the rotation trajectory of the extrusion block intersects with one end of the connecting rod.

[0013] Furthermore, the surface of the top block that contacts the limiting ring is a conical surface, and the inner surface of the top block is flush with the inner surface of the limiting ring.

[0014] Furthermore, it also includes a piston plate, a fixed cylinder, a one-way valve one, and a one-way valve two. Two fixed cylinders are embedded in both the left and right fixed molds. The connecting rod passes horizontally through the center of the corresponding fixed cylinder. An air chamber is opened at the other end of the connecting rod near the movable mold. Two air holes one are symmetrically opened at the other end of the connecting rod. Air holes one is located outside the fixed cylinder and connects to the air chamber. A piston plate is fixedly installed at the other end of the connecting rod. The piston plate is located inside the corresponding fixed cylinder and forms a sliding seal with the inner wall of the fixed cylinder. Two air holes two are symmetrically opened on the rod section of the connecting rod that enters the fixed cylinder. Air holes two connect to the air chamber. One-way valve one is installed at the upper part of the fixed cylinder, and one-way valve two is installed in the air chamber.

[0015] Furthermore, it also includes positioning rods and positioning cylinders. Four positioning rods are fixedly installed on both the left and right sides of the movable mold, and four positioning cylinders are fixedly connected to the inner sides of both the left and right fixed molds. The number of positioning rods and positioning cylinders are the same and their positions correspond one-to-one.

[0016] The beneficial effects are as follows: 1. By setting up a left fixed mold, a right fixed mold, and a sliding movable mold, a dual-station alternating operation structure is constructed. With the help of the on / off mechanism, the corresponding liquid injection channel is automatically opened only after the movable mold and the left or right fixed mold are fully closed. This ensures that the molten metal is injected only in the sealed cavity, effectively avoiding leakage caused by liquid supply before mold closing, while eliminating waiting delays and significantly improving production cycle and casting consistency.

[0017] 2. Through the cooperation of pulleys, flat belts, turntables, extrusion blocks, connecting rods, return springs, limit rings, and top blocks, the rotational power of the screw can be used to automatically trigger the top blocks to advance axially along the limit ring after the casting has cooled, applying mechanical pushing force to the casting in the left or right fixed mold cavity, thus achieving reliable physical demolding.

[0018] 3. By setting up a piston plate, a fixed cylinder, one-way valve one, and one-way valve two, a controllable pneumatic thrust is superimposed on the physical pushing of the top block to achieve pneumatic assisted pushing, which greatly improves the demolding stability of deep cavity castings.

[0019] 4. By precisely matching the positioning rod and the positioning cylinder, the movable mold is accurately aligned and tightly closed with the left and right fixed molds when they are closed, preventing mold misalignment and cavity displacement, and ensuring the dimensional accuracy and appearance quality of the castings. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0021] Figure 2 This is a three-dimensional structural diagram of the left fixed mold, right fixed mold, and movable mold components of the present invention.

[0022] Figure 3 This is a partial cross-sectional view of the right fixed mold and connecting cylinder components of the present invention.

[0023] Figure 4 This is a partial sectional view of the connecting cylinder, joint, rotating cylinder, and threaded block components of the present invention.

[0024] Figure 5 This is a three-dimensional structural diagram of the turntable, pulley, and flat belt components of the present invention.

[0025] Figure 6 This is a partial cross-sectional view of the left fixed mold component of the present invention.

[0026] Figure 7 This is a three-dimensional structural diagram of the extrusion block, connecting rod, and return spring of the present invention.

[0027] Figure 8 This is a partial cross-sectional view of the right fixed mold and connecting cylinder components of the present invention.

[0028] Figure 9 This is a partial sectional view of the connecting rod, piston plate, fixing cylinder, and top block components of the present invention.

[0029] Component names and numbers in the diagram: 1. Left fixed mold, 2. Right fixed mold, 3. Guide rod, 4. Movable mold, 41. Positioning rod, 42. Positioning cylinder, 5. Through motor, 6. Lead screw, 61. Slider, 7. Push plate, 71. Conveying cylinder, 7101. Discharge hole, 7102. Discharge chute, 72. Metal pipe one, 721. Connecting cylinder, 73. Joint, 74. Metal pipe two, 75. Diverter head, 76. Slide rod, 77. Rotating cylinder, 771. Inlet, 772. Outlet 78. Threaded block; 79. Sliding frame; 710. Return spring; 711. Fixed frame; 712. Rotating frame; 713. Slide groove; 714. Protruding rod; 8. Turntable; 801. Extrusion block; 81. Pulley; 82. Flat belt; 83. Connecting rod; 831. Air hole one; 832. Piston plate; 833. Air hole two; 834. Air chamber; 84. Return spring; 85. Fixed cylinder; 851. One-way valve one; 852. One-way valve two; 86. Limiting ring; 87. Top block. Detailed Implementation

[0030] Example: A casting mold with dual-station collaborative operation, such as Figures 1-8As shown, the system includes a left fixed mold 1, a right fixed mold 2, guide rods 3, a movable mold 4, a conveying cylinder 71, a metal pipe 72, a connecting cylinder 721, a connector 73, a metal pipe 74, a flow divider 75, and a switching mechanism. The left fixed mold 1 and the right fixed mold 2 are arranged in parallel, and four guide rods 3 are fixedly connected between them. The movable mold 4 slides through the four guide rods 3. The cavity surfaces on the left and right sides of the movable mold 4 correspond to the cavity surfaces inside the left fixed mold 1 and the right fixed mold 2, respectively, to ensure that a complete and closed casting cavity is formed after the mold is closed. A conveying cylinder 71 is fixedly inserted at the center of both the left fixed mold 1 and the right fixed mold 2. Two discharge holes 710 are symmetrically opened at the end of the conveying cylinder 71 near the movable mold 4. 1. Both the left fixed mold 1 and the right fixed mold 2 are provided with two discharge grooves 7102. The discharge hole 7101 is aligned with the corresponding discharge groove 7102 to ensure that the molten metal in the conveying cylinder 71 can be discharged into the discharge groove 7102 through the discharge hole 7101 and then injected into the cavity of the left fixed mold 1 or the right fixed mold 2 through the discharge groove 7102. Both the left fixed mold 1 and the right fixed mold 2 are fixedly provided with connecting cylinders 721. A metal pipe 72 is fixedly connected between the conveying cylinder 71 and the connecting cylinder 721 on the same side. A connector 73 is fixedly connected to the connecting cylinder 721. A metal pipe 74 is fixedly connected to the top of the connector 73. A diverter head 75 is fixedly connected between the ends of the two metal pipes 74, which can be connected to an external molten metal source.

[0031] like Figure 1 , Figure 2 and Figure 5 As shown, it also includes a through motor 5, a lead screw 6 and a slider 61. The through motor 5 is bolted to the front and rear sides of the left fixed mold 1. The lead screw 6 is fixedly installed on the output shaft of the through motor 5. The slider 61 is threaded on the lead screw 6. The slider 61 is fixedly connected to the movable mold 4. The slider 61 can be driven by rotating the lead screw 6 to move the movable mold 4 horizontally along the guide rod 3.

[0032] like Figures 1-4As shown, a switching mechanism is provided between the left fixed mold 1, the right fixed mold 2, and the movable mold 4. The switching mechanism includes a push plate 7, a slide rod 76, a rotating cylinder 77, a threaded block 78, a sliding frame 79, a return spring 710, a fixed frame 711, a rotating frame 712, and a protruding rod 714. Two push plates 7 are bolted to the upper part of the movable mold 4. The slide rod 76 slides through the connecting cylinder 721. One end of the slide rod 76 near the movable mold 4 extends to the outside of the connecting cylinder 721, and two protruding rods are symmetrically fixedly connected to one end. 714. A rotating cylinder 77 is rotatably installed inside the connecting cylinder 721. An inlet 771 is opened on the surface of the rotating cylinder 77, and multiple outlets 772 are evenly distributed on one side of the rotating cylinder 77. A sliding rod 76 horizontally passes through the center of the rotating cylinder 77 on the same side and forms a sliding seal with the rotating cylinder 77. A threaded block 78 is fixedly connected to the rotating cylinder 77. A sliding frame 79 is fixedly installed on the rod section of the sliding rod 76 located inside the connecting cylinder 721. The sliding frame 79 forms a threaded engagement with the threaded block 78 on the same side, and the sliding frame 79 maintains a tight seal with the inner wall of the connecting cylinder 721. A return spring 710 is connected between the sliding contact and the inner wall of the connecting cylinder 721. The return spring 710 assists in the reset of the sliding frame 79. The upper parts of the left fixed mold 1 and the right fixed mold 2 are both bolted to a fixed frame 711. A rotating frame 712 is rotatably mounted on the fixed frame 711. Two symmetrical grooves 713 are opened on the upper part of the rotating frame 712. The protruding rod 714 slides into the corresponding groove 713. In the initial state, the movable mold 4 has closed with the right fixed mold 2, and the right push plate 7 has pressed the rotating frame 712. The rotating frame 712 rotates around the fixed frame 711. The sliding rod 76 is driven to move to the left through the sliding engagement of the sliding groove 713 and the protruding rod 714. The sliding rod 76 then drives the sliding frame 79 to move to the left in sync. The sliding frame 79 moves along the threaded block 78 to the leftmost end of the threaded block 78. During this process, the sliding frame 79 compresses the return spring 710 and drives the threaded block 78 to rotate to a preset angle through the threaded engagement. The threaded block 78 then drives the rotating cylinder 77 to rotate in sync, so that the inlet 771 is aligned with the connector 73, and the liquid injection channel on the right side is opened.

[0033] like Figure 1 , Figure 5 , Figure 6 , Figure 7 and Figure 8As shown, it also includes a turntable 8, an extrusion block 801, a pulley 81, a flat belt 82, a connecting rod 83, a return spring 84, a limiting ring 86, and a top block 87. The left fixed mold 1 and the right fixed mold 2 are each rotatably mounted on opposite sides. Two extrusion blocks 801 are symmetrically fixedly connected to one side of the turntable 8. Pulleys 81 are fixedly connected to both ends of the lead screw 6. A flat belt 82 is rotatably mounted between the turntable 8 and the two pulleys 81 on the same side. Two connecting rods 83 slide through both the left fixed mold 1 and the right fixed mold 2. The diameter of the turntable 8 is several times that of the pulley 81, which is connected to the connecting rod 83. This means that the lead screw 6 needs to rotate multiple times to drive the turntable 8 to rotate once, thus achieving delayed and precise control of the demolding action. In the initial state, the movable mold 4 is already closed with the right fixed mold 2, and the right extrusion block 801 avoids the connecting rod 83 to prevent accidental triggering of demolding. The extrusion block 801 is designed with a trapezoidal structure, and the rotation trajectory of the extrusion block 801 intersects with one end of the connecting rod 83, ensuring that the extrusion block 801 can be precisely pushed when the turntable 8 drives the extrusion block 801 to rotate. A connecting rod 83 has a return spring 84 fitted at one end near the turntable 8 on the same side. The two ends of the return spring 84 on the left connecting rod 83 are connected to the left fixed mold 1 and the connecting rod 83, respectively. The two ends of the return spring 84 on the right connecting rod 83 are connected to the right fixed mold 2 and the connecting rod 83, respectively. Two limiting rings 86 are symmetrically fixedly connected to both the left fixed mold 1 and the right fixed mold 2. A top block 87 is fixedly connected to the other end of the connecting rod 83 near the movable mold 4. The top block 87 slides into the corresponding limiting ring 86. The surface of the top block 87 that contacts the limiting ring 86 is a conical surface, which can radially position the top block 87 so that the top block 87 can initially only move towards the moving mold 4 (i.e., the left top block 87 can initially only move to the right, and the right top block 87 can initially only move to the left), so as to push the casting formed in the cavity of the left fixed mold 1 or the right fixed mold 2. The inner surface of the top block 87 is flush with the inner surface of the limiting ring 86 to prevent the formation of depressions when injecting molten metal into the cavity of the left fixed mold 1 or the right fixed mold 2, thus ensuring the integrity of the casting surface.

[0034] like Figure 6 , Figure 7 and Figure 9As shown, it also includes a piston plate 832, a fixed cylinder 85, a one-way valve 851, and a two-way valve 852. Two fixed cylinders 85 are embedded in both the left fixed mold 1 and the right fixed mold 2. A connecting rod 83 passes horizontally through the center of the corresponding fixed cylinder 85. An air chamber 834 is opened at the other end of the connecting rod 83 near the movable mold 4. Two air holes 831 are symmetrically opened at the other end of the connecting rod 83. The air holes 831 are located outside the fixed cylinder 85 and connect to the air chamber 834. A piston plate 83 is fixedly mounted on the other end of the connecting rod 83. 2. The piston plate 832 is located inside the corresponding fixed cylinder 85 and forms a sliding seal with the inner wall of the fixed cylinder 85. The connecting rod 83 has two symmetrically opened air holes 833 (i.e., air holes 833 are located inside the fixed cylinder 85) in the rod section that passes through the fixed cylinder 85. The air holes 833 are connected to the air chamber 834. The upper part of the fixed cylinder 85 is provided with a one-way valve 851. The one-way valve 851 only allows gas to enter the fixed cylinder 85. The air chamber 834 is provided with a one-way valve 852. The one-way valve 852 only allows gas to exit the air chamber 834.

[0035] like Figure 2 and Figure 5 As shown, it also includes positioning rods 41 and positioning cylinders 42. Four positioning rods 41 are fixedly provided on both the left and right sides of the movable mold 4. Four positioning cylinders 42 are fixedly connected to the inner sides of the left fixed mold 1 and the right fixed mold 2. The number of positioning rods 41 and positioning cylinders 42 are the same and their positions correspond one-to-one, ensuring that the movable mold 4 is accurately aligned and stably closed when it is molded with the left fixed mold 1 or the right fixed mold 2.

[0036] Initially, the movable mold 4 is in the closed state with the right fixed mold 2, and the right injection channel is open. At this time, the molten metal source can be connected to the distributor head 75. The molten metal flows sequentially through the right metal pipe 74, connector 73, inlet 771, rotating cylinder 77, outlet 772, connecting cylinder 721, and metal pipe 72 into the conveying cylinder 71. Finally, it is injected into the cavity of the right fixed mold 2 and the movable mold 4 from the outlet 772 and the discharge trough 7102 to complete the casting and cooling. When it is necessary to switch to the left position, the through motor 5 is started, which drives the lead screw 6 to rotate clockwise and drives the slider 61 to move to the left. The movable mold 4 moves to the left along the guide rod 3 and closes with the left fixed mold 1. During the mold closing process, the left push plate 7 on the movable mold 4 contacts and squeezes the upper part of the left fixed mold 1. The rotating frame 712 rotates around the fixed frame 711. Through the sliding engagement of the sliding groove 713 and the protruding rod 714, the rotating frame 712 drives the sliding rod 76 to move to the right. The sliding rod 76 then drives the sliding frame 79 to move synchronously to the right, compressing the return spring 710. Since the sliding frame 79 and the threaded block 78 form a threaded engagement, the linear motion of the sliding frame 79 is converted into the rotational motion of the threaded block 78, thereby driving the rotating cylinder 77 to rotate synchronously. This aligns the inlet 771 with the connector 73, opening the left-side liquid injection channel. At this time, the molten metal flows into the conveying cylinder 71 through the left-side metal pipe 74, connector 73, inlet 771, rotating cylinder 77, outlet 772, connecting cylinder 721, and metal pipe 72, finally exiting from the outlet 772 and the discharge trough 710. 2. The injection is poured into the cavities of the left fixed mold 1 and the movable mold 4 to complete the pouring. At the same time, the right push plate 7 moves to the left with the movable mold 4 and disengages from the right rotating frame 712. Under the action of the return spring 710, the right sliding frame 79 returns to the right, driving the threaded block 78 to rotate in the opposite direction. The rotating cylinder 77 rotates in the opposite direction synchronously, causing the inlet 771 to be misaligned with the connector 73, automatically closing the right injection channel. During the leftward movement of the movable mold 4, the lead screw 6 drives the right turntable 8 to rotate slowly through the pulley 81 and the flat belt 82 (because the diameter of the turntable 8 is larger than that of the pulley 81, a deceleration delay is achieved). When the extrusion block 801 on the right turntable 8 rotates to contact the connecting rod 83, it pushes the connecting rod 83 to move to the left, compressing the return spring 84. The top block 87 then moves along the limiting ring. The axial direction of the rod 86 is pushed to the left, applying a physical pushing force to the casting in the cavity of the right fixed mold 2. At this time, the air hole 831 moves to the left with the connecting rod 83 and enters the cavity of the right fixed mold 2. Simultaneously, the connecting rod 83 drives the piston plate 832 to slide in the fixed cylinder 85, generating a negative pressure in the fixed cylinder 85. External air is drawn in through the one-way valve 851. When the movable mold 4 and the left fixed mold 1 are closed, the through motor 5 is turned off, and the lead screw 6 and the turntable 8 stop rotating. At this time, the extrusion block 801 on the right turntable 8 has pushed the connecting rod 83 to complete the pushing stroke and disengage from the connecting rod 83. The return spring 84 then returns to its original state, pushing the connecting rod 83 to reset to the right. The connecting rod 83 drives the piston plate 832 to pull back synchronously, and the piston plate 832 extrudes the gas in the fixed cylinder 85.Gas enters the air chamber 834 through air vent 2 833, and then exits through air vent 1 831 via one-way valve 2 852, forming a positive pressure airflow that acts on the surface of the casting, achieving pneumatically assisted pushing. This, combined with the mechanical thrust of the ejector block 87, completes stable demolding.

Claims

1. A casting mold for dual-station collaborative operation, characterized in that, The system includes a left fixed mold (1), a right fixed mold (2), guide rods (3), a movable mold (4), a conveying cylinder (71), a metal pipe (72), a connecting cylinder (721), a connector (73), a metal pipe (74), a diverter (75), and a switching mechanism. Four guide rods (3) are fixedly connected between the left fixed mold (1) and the right fixed mold (2). The movable mold (4) slides through the four guide rods (3). The conveying cylinder (71) is fixedly connected to the center of both the left fixed mold (1) and the right fixed mold (2). The connecting cylinder (721) is fixedly connected to the upper part of both the left fixed mold (1) and the right fixed mold (2). A metal pipe (73) is fixedly connected between the conveying cylinder (71) and the connecting cylinder (721) on the same side. 72), a connector (73) is fixedly connected to the connecting cylinder (721), a metal tube (74) is fixedly connected to the top of the connector (73), and a diverter (75) is fixedly connected between the ends of the two metal tubes (74). Start the through motor (5), the screw (6) rotates clockwise to drive the slider (61) to move to the left, the movable mold (4) moves to the left in sync and closes with the left fixed mold (1), the left push plate (7) pushes the left rotating frame (712) to rotate, the rotating frame (712) drives the slide rod (76) to move to the right through the sliding cooperation of the protrusion (714) and the slide groove (713), so that the sliding frame (79) drives the threaded block (78) and the rotating cylinder (77) to rotate, and the feed port (771) aligns with the connector (73).

2. The casting mold for dual-station collaborative operation according to claim 1, characterized in that, The cavity surfaces on the left and right sides of the movable mold (4) correspond to the cavity surfaces inside the left fixed mold (1) and the right fixed mold (2), respectively.

3. A casting mold for dual-station collaborative operation according to claim 2, characterized in that, It also includes a through motor (5), a lead screw (6) and a slider (61). The through motor (5) is installed on the front and rear sides of the left fixed mold (1). The lead screw (6) is fixedly installed on the output shaft of the through motor (5). The slider (61) is threaded on the lead screw (6). The slider (61) is fixedly connected to the movable mold (4).

4. A casting mold for dual-station collaborative operation according to claim 3, characterized in that, Two discharge holes (7101) are symmetrically opened at one end of the conveying cylinder (71) near the movable mold (4). Two discharge grooves (7102) are opened in both the left fixed mold (1) and the right fixed mold (2). The discharge holes (7101) are aligned with the corresponding discharge grooves (7102).

5. A casting mold for dual-station collaborative operation according to claim 4, characterized in that, A switching mechanism is provided between the left fixed mold (1), the right fixed mold (2), and the movable mold (4). The switching mechanism includes a push plate (7), a slide rod (76), a rotating cylinder (77), a threaded block (78), a sliding frame (79), a return spring (710), a fixed frame (711), a rotating frame (712), and a protruding rod (714). Two push plates (7) are installed side by side on the upper part of the movable mold (4). A slide rod (76) is slidably passed through the connecting cylinder (721). One end of the slide rod (76) near the movable mold (4) extends to the outside of the connecting cylinder (721), and two protruding rods (714) are symmetrically fixed to one end. A rotating cylinder (77) is rotatably arranged inside the connecting cylinder (721). An inlet (771) is opened on the surface of the rotating cylinder (77), and multiple outlets are evenly opened on one side of the rotating cylinder (77). 772), the slide rod (76) passes horizontally through the center of the rotating cylinder (77) on the same side and forms a sliding seal with the rotating cylinder (77). A threaded block (78) is fixed on the rotating cylinder (77). The section of the slide rod (76) located in the connecting cylinder (721) is fixedly provided with a sliding frame (79). The sliding frame (79) forms a threaded fit with the threaded block (78) on the same side. The sliding frame (79) maintains sliding contact with the inner wall of the connecting cylinder (721) and is connected with a return spring (710). A fixed frame (711) is installed on the upper part of both the left fixed mold (1) and the right fixed mold (2). A rotating frame (712) is rotatably set on the fixed frame (711). Two sliding grooves (713) are symmetrically opened on the upper part of the rotating frame (712). The protruding rod (714) slides into the corresponding sliding groove (713).

6. A casting mold for dual-station collaborative operation according to claim 5, characterized in that, It also includes a turntable (8), an extrusion block (801), a pulley (81), a flat belt (82), a connecting rod (83), a return spring (84), a limiting ring (86), and a top block (87). The left fixed mold (1) and the right fixed mold (2) are both rotatably equipped with a turntable (8) on opposite sides. Two extrusion blocks (801) are symmetrically fixed to one side of the turntable (8). The screw (6) is fixed with pulleys (81) at both ends. A flat belt (82) is rotatably installed between the turntable (8) and the two pulleys (81) on the same side. The diameter of the turntable (8) is several times that of the pulleys (81). The left fixed mold (1) and the right fixed mold (2) are equipped with a top block (87). Two connecting rods (83) are slidably inserted. A return spring (84) is fitted on one end of the connecting rod (83) near the turntable (8) on the same side. The two ends of the return spring (84) on the left connecting rod (83) are connected to the left fixed mold (1) and the connecting rod (83) respectively. The two ends of the return spring (84) on the right connecting rod (83) are connected to the right fixed mold (2) and the connecting rod (83) respectively. Two limiting rings (86) are symmetrically fixed on the left fixed mold (1) and the right fixed mold (2). A top block (87) is fixed on the other end of the connecting rod (83) near the movable mold (4). The top block (87) slides into the corresponding limiting ring (86).

7. A casting mold for dual-station collaborative operation according to claim 6, characterized in that, The extrusion block (801) is designed as a trapezoidal structure, and the rotation trajectory of the extrusion block (801) intersects with one end of the connecting rod (83).

8. A casting mold for dual-station collaborative operation according to claim 7, characterized in that, The surface of the top block (87) that contacts the limiting ring (86) is a conical surface, and the inner surface of the top block (87) is flush with the inner surface of the limiting ring (86).

9. A casting mold for dual-station collaborative operation according to claim 8, characterized in that, It also includes a piston plate (832), a fixed cylinder (85), a one-way valve (851) and a one-way valve (852). Two fixed cylinders (85) are embedded in both the left fixed mold (1) and the right fixed mold (2). A connecting rod (83) passes horizontally through the center of the corresponding fixed cylinder (85). An air chamber (834) is opened at the other end of the connecting rod (83) near the movable mold (4). Two air holes (831) are symmetrically opened at the other end of the connecting rod (83). The air holes (831) are located outside the fixed cylinder (85). 831) Connecting air chamber (834), the other end of connecting rod (83) is fixedly provided with piston plate (832), piston plate (832) is located in the corresponding fixed cylinder (85) and forms a sliding seal with the inner wall of fixed cylinder (85), the rod section of connecting rod (83) that penetrates into fixed cylinder (85) is symmetrically provided with two air holes (833), air holes (833) connect air chamber (834), one-way valve (851) is provided on the upper part of fixed cylinder (85), and one-way valve (852) is provided in air chamber (834).

10. A casting mold for dual-station collaborative operation according to claim 9, characterized in that, It also includes positioning rods (41) and positioning cylinders (42). Four positioning rods (41) are fixed on both the left and right sides of the movable mold (4). Four positioning cylinders (42) are fixed on the inner sides of the left fixed mold (1) and the right fixed mold (2). The number of positioning rods (41) and positioning cylinders (42) are the same and their positions correspond one-to-one.

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