Automatic pushing demolding mechanism for die castings
By designing an automatic push-out demolding mechanism and airflow to remove debris, the problems of human damage and safety during the demolding process of die casting molds are solved, realizing automated demolding and efficient production of die castings.
Patent Information
- Application Number
- CN202511253564.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-03
- Publication Date
- 2025-11-07
AI Technical Summary
Existing die-casting molds are prone to damage to die-cast parts or injury to operators during the demolding process due to human factors, and have low production efficiency, affecting safety and efficiency.
An automatic push-out demolding mechanism is adopted, which uses components such as cylinders, push plates, push rods, positioning plates, moving blocks, lead screws, and synchronous pulleys to realize automatic demolding of die-cast parts. Airflow is used to clean debris inside the mold, and chains and sprockets are used to transfer and reduce the temperature of the die-cast parts.
It enables automated demolding of die-cast parts, avoiding damage and safety risks caused by manual intervention, improving production efficiency, and ensuring product quality and safety.
Smart Images
Figure CN120901246A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the field of die casting demolding, in particular to an automatic push demolding mechanism for die casting. BACKGROUND
[0002] Die casting is a production process in which a mold is used to form an injection molding space by mutual extrusion, and then a hot-melt raw material is injected into the injection molding space for injection molding processing. A die casting part is a part produced by pressure casting. A die casting machine is used to pressurize the die casting machine with a die casting mold. Molten copper, zinc, aluminum or aluminum alloy metal is poured into the inlet of the die casting machine, and the die casting machine is used to pressurize the die casting machine to form a copper, zinc, aluminum or aluminum alloy part with a shape and size limited by the mold. Compared with the traditional injection molding process, the raw material can be more uniformly distributed in the injection mold, thereby improving the quality of the processed part production.
[0003] In the prior art, most die casting molds use a bidirectional extrusion method for casting. Therefore, after the raw material is solidified and formed, it is difficult to demold the mold. Therefore, to reduce costs, manual intervention is usually used for die casting demolding. However, manual demolding not only has high labor intensity and low production efficiency, but also is prone to damage to the die casting part or injury to the operator during operation due to human factors, thereby reducing the safety of the die casting process and affecting the efficiency of the die casting process. SUMMARY
[0004] (I) Technical problems solved The purpose of the present application is to provide an automatic push demolding mechanism for die casting to solve the problem of manual demolding, which is prone to damage to the die casting part or injury to the operator during operation due to human factors, thereby reducing the safety of the die casting process and affecting the efficiency of the die casting process.
[0005] The automatic push demolding mechanism for die casting provided by the present application adopts the following technical scheme: The machining table is in the shape of a U, the bottom corners of the machining table are fixedly connected with supporting legs, lower molds are arranged between the two side inner walls of the machining table, upper molds are arranged above the lower molds, two hydraulic rods are fixedly connected to the top of the machining table, the output shafts of the hydraulic rods are fixedly connected with lifting plates, the two lifting plates are fixedly connected with the upper molds, positioning rods are slidably connected to the two ends of the lifting plates, the positioning rods are fixedly connected with the machining table, positioning plates are arranged on two sides of the lower molds, annular sliding grooves are formed in the side surfaces of the positioning plates, arc-shaped sliding blocks are fixedly connected to the two sides of the lower molds, the lower molds are rotatably connected with the positioning plates through the annular sliding grooves and the arc-shaped sliding blocks, moving blocks are fixedly connected to the bottom of the positioning plates, two sliding rails are fixedly connected to the bottom of the machining table, the two moving blocks are respectively located on the outer sides of the two sliding rails and are slidably connected with the sliding rails, push plates are arranged on the bottom of the lower molds and the top of the upper molds, a plurality of push holes are formed in the lower molds and the upper molds, jacks are arranged in the push holes, and the jacks are fixedly connected with the push plates; Through the above technical scheme, the jacks can be moved by the push plates during use, so that the jacks are deeply inserted into the lower molds and the upper molds and are in contact with the die casting, the die casting is pushed, the die casting can be separated from the molds without manual intervention, the problem that the die casting is damaged or the operator is injured due to human factors during manual demolding is solved, the safety during die casting is improved, and the efficiency of die casting is improved.
[0006] Preferably, four fixed plates are fixedly connected to the top of the machining table, screw rods are rotatably connected between opposite two fixed plates, the two screw rods are respectively located in the two moving blocks and are threadedly connected with the moving blocks, synchronous pulleys are rotatably connected to the side surfaces of the two fixed plates, the two synchronous pulleys are respectively fixedly connected with the two screw rods, a transmission belt is transmissionally connected between the two synchronous pulleys, and a first motor is fixedly connected to the bottom of the machining table, and the output shaft of the first motor is fixedly connected with one of the synchronous pulleys. Through the above technical scheme, the motor can provide power for the synchronous pulleys, so that the two synchronous pulleys rotate, the two screw rods rotate, and the moving blocks move.
[0007] Preferably, a sliding rod is slidably connected to the side surface of the push plate, sliding grooves matched with the sliding rod are formed in the bottom of the lower mold and the top of the upper mold and are slidably connected with the sliding rod, and air cylinders are fixedly connected to two sides of the lower mold and the upper mold, and the piston rods of the air cylinders are fixedly connected with the push plate. Through the adoption of the above technical scheme, the cylinder can provide power for the push plate, so that the push plate moves, and the slide rod can limit the push plate, avoiding the position deviation of the push plate and the lower mold and the lower mold when the push plate moves.
[0008] Preferably, air holes are arranged between the two adjacent push holes, the bottom of the lower mold and the top of the upper mold are fixedly connected with air pipes, the air pipes are communicated with one of the air holes, one end of the air pipe is communicated with a hose, and the air pipe is located in the interior of the push plate and is slidably connected with the push plate. Through the adoption of the above technical scheme, by injecting air flow into the air hole, the air flow enters the interior of the lower mold and the upper mold through the push hole, and the residual die casting scraps in the interior of the upper mold and the lower mold are cleaned, avoiding the problem that the residual scraps in the interior of the lower mold and the upper mold affect the product quality of the subsequent die casting.
[0009] Preferably, one side of the lower mold is fixedly connected with a plurality of limiting blocks, the top of the machining table is fixedly connected with a plurality of supporting blocks, and the side surface of the supporting block and one side of the inner wall of the machining table are both provided with limiting holes matched with the limiting blocks. Through the adoption of the above technical scheme, the limiting holes on the side surface of the supporting block and the machining table can limit and support the limiting blocks, so as to support the lower mold and reduce the pressure of the lower mold during die casting.
[0010] Preferably, the side surface of the positioning plate is rotatably connected with a rotating plate, the rotating plate is fixedly connected with the lower mold, the side surface of one end of the rotating plate away from the lower mold is rotatably connected with an adjusting rod, the top of the machining table is fixedly connected with an adjusting plate, the interior of the adjusting plate is provided with an adjusting hole, and the two adjusting rods are located in the two adjusting holes respectively. Through the adoption of the above technical scheme, the movement of the positioning plate can drive the movement of the lower mold and the rotating plate, the movement of the rotating plate can drive the movement of the adjusting rod in the adjusting hole, and the movement of the adjusting rod can drive the rotation of the rotating plate through the adjusting hole, so as to rotate the lower mold, and the opening of the lower mold faces downward after rotation, so as to make the die casting in the lower mold fall down, complete the separation of the die casting and the mold, and avoid the manual removal of the mold after the die casting and the mold are demolded.
[0011] Preferably, the bottom of the machining table is provided with two supporting plates, the supporting plates and the supporting legs are fixedly connected with a connecting block, the two supporting plates are fixedly connected with a side plate, the side plate is fixedly connected with the two side inner walls of the machining table, the side surface of the side plate is fixedly connected with a soft pad, the side surface of the supporting plate is provided with a chain, a plurality of sprockets are transmissionally connected in the interior of the chain, and the sprockets are rotatably connected with the supporting plate. By adopting the technical scheme, the support plate can support the side plate, the soft pad can slow down the impact force when the die casting falls, the chain can drive the plurality of sprockets to rotate.
[0012] Preferably, a fixing rod is fixedly connected between the two sprockets, a plurality of transmission rods are fixedly connected between the two chains, and a second motor is fixedly connected to the side surface of one of the support plates. By adopting the technical scheme, the second motor can provide power for the sprocket, so that the sprocket rotates to drive the chain to move, the chain moves to move the transmission rod, and the transmission rod moves to transfer the die casting on the top and reduce the temperature of the die casting during the transfer, facilitating subsequent manual storage of the die casting.
[0013] (II) Beneficial effects In summary, the present application has at least one of the following beneficial technical effects: The present application provides a kind of die casting automatic push demolding mechanism, by the setting of cylinder, push plate, push hole, jack, positioning plate, moving block, slide rail, screw rod, synchronous pulley, transmission belt, first motor, adjusting rod, adjusting plate and adjusting hole, the device can be moved by the push plate driven by the start of cylinder in the process of use, so that the jack is deeply into the inside of upper die and lower die, and contacts with die casting, so as to push the die casting, so that the die casting can be cancelled without manual intervention and die adhesion, and the rotation of two synchronous pulleys is driven by the start of first motor, so that the two screw rods rotate, so that the moving block drives the positioning plate to move, and the positioning plate moves to drive the lower die and the rotating plate to move, the adjusting rod moves in the adjusting hole, and the adjusting rod moves to drive the rotating plate to rotate in the adjusting hole, so that the lower die rotates, and the opening of the lower die faces downward after rotating, so that the die casting in the lower die falls off, the separation of die casting and die is completed, the die is removed after die and die casting are demolded, and manual operation is avoided, the problem that die casting is damaged or operator is injured due to human factors in the process of manual demolding is solved, the safety in the process of die casting is reduced, and the efficiency of die casting process is affected.
[0014] The present application provides a kind of die casting automatic push demolding mechanism, by the setting of cylinder, push plate, push hole, jack, positioning plate, moving block, slide rail, screw rod, synchronous pulley, transmission belt, first motor, adjusting rod, adjusting plate and adjusting hole, the device can be moved by the push plate driven by the start of cylinder in the process of use, so that the jack is deeply into the inside of upper die and lower die, and contacts with die casting, so as to push the die casting, so that the die casting can be cancelled without manual intervention and die adhesion, and the rotation of two synchronous pulleys is driven by the start of first motor, so that the two screw rods rotate, so that the moving block drives the positioning plate to move, and the positioning plate moves to drive the lower die and the rotating plate to move, the adjusting rod moves in the adjusting hole, and the adjusting rod moves to drive the rotating plate to rotate in the adjusting hole, so that the lower die rotates, and the opening of the lower die faces downward after rotating, so that the die casting in the lower die falls off, the separation of die casting and die is completed, the die is removed after die and die casting are demolded, and manual operation is avoided, the problem that die casting is damaged or operator is injured due to human factors in the process of manual demolding is solved, the safety in the process of die casting is reduced, and the efficiency of die casting process is affected.
[0015] This invention provides an automatic ejection mechanism for die-cast parts. Through the arrangement of side plates, soft pads, chains, sprockets, fixed rods, transmission rods, and a second motor, the device supports the die-cast part via the side plates and soft pads, allowing it to fall onto the top of the transmission rod. The second motor rotates one of the sprockets, which in turn drives the remaining sprockets via the fixed rod and chain. This movement of the chain then moves the transmission rod, which transfers the die-cast part on top of it. During this transfer, the temperature of the die-cast part is reduced, facilitating subsequent manual handling and storage of the die-cast part. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure from a first perspective of the present invention; Figure 2 This is a top view of the lower mold of the present invention. Figure 3 This is a bottom cross-sectional view of the processing table of the present invention; Figure 4 This is a top cross-sectional view of the lower mold of the present invention; Figure 5 This is a bottom view of the lower mold of the present invention. Figure 6 This is a schematic diagram of the overall structure of the present invention from a second perspective; Figure 7 This is a top view of the support plate of the present invention.
[0017] The components include: 1. Processing table; 2. Support leg; 3. Lower mold; 4. Upper mold; 5. Hydraulic rod; 6. Lifting plate; 7. Positioning rod; 8. Positioning plate; 9. Moving block; 10. Slide rail; 11. Fixed plate; 12. Lead screw; 13. Synchronous pulley; 14. Transmission belt; 15. First motor; 16. Cylinder; 17. Push plate; 18. Slide rod; 19. Push hole; 20. Top rod; 21. Vent hole; 22. Air pipe; 23. Hose; 24. Limiting block; 25. Support block; 26. Limiting hole; 27. Rotating plate; 28. Adjusting rod; 29. Adjusting plate; 30. Adjusting hole; 31. Side plate; 32. Soft pad; 33. Support plate; 34. Connecting block; 35. Chain; 36. Sprocket; 37. Fixed rod; 38. Transmission rod; 39. Second motor; 40. Grouting pipe. Detailed Implementation
[0018] The following is in conjunction with the appendix Figure 1 -Appendix Figure 7 This application will be described in further detail below.
[0019] Example 1: An automatic ejection and demolding mechanism for die-cast parts, referring to... Figure 1 , Figure 2 , Figure 3 ,Figure 4 、 Figure 5The utility model provides a moulding device, including processing platform 1, the shape of processing platform 1 is U character, and the bottom four corners of processing platform 1 are all fixedly connected with support leg 2, and the inside wall between the two sides of processing platform 1 is equipped with lower mould 3, and the top of lower mould 3 is equipped with upper mould 4, and the top of processing platform 1 is fixedly connected with two hydraulic rams 5, and the output shaft of hydraulic ram 5 is fixedly connected with lifting plate 6, and two lifting plates 6 are all fixedly connected with upper mould 4, and the inside of both ends of lifting plate 6 is slidably connected with positioning rod 7, and positioning rod 7 is fixedly connected with processing platform 1, and the two sides of lower mould 3 are all equipped with positioning plate 8, and the side of positioning plate 8 is equipped with annular slide groove, and the two sides of lower mould 3 are all fixedly connected with arc slide block, and lower mould 3 is rotatably connected with positioning plate 8 through annular slide groove and arc slide block, and the bottom of positioning plate 8 is fixedly connected with moving block 9, and the bottom of processing platform 1 is fixedly connected with two slide rails 10, and two moving blocks 9 are located respectively at the outside of two slide rails 10 and are slidably connected with slide rail 10, and the bottom of lower mould 3 and the top of upper mould 4 are all equipped with push plate 17, and the inside of lower mould 3 and upper mould 4 is all equipped with a plurality of push hole 19, and the inside of push hole 19 is equipped with jacking rod 20, and jacking rod 20 is fixedly connected with push plate 17, and the top of upper mould 4 is equipped with through -hole and is fixedly connected with grouting pipe 40, and the top of processing platform 1 is fixedly connected with four fixed plates 11, and the opposite two fixed plates 11 are rotatably connected with lead screw 12, and two lead screws 12 are located respectively at the inside of two moving blocks 9 and are threadedly connected with moving block 9, and the side of two fixed plates 11 is rotatably connected with synchronous belt pulley 13, and two synchronous belt pulleys 13 are fixedly connected with two lead screws 12 respectively, and transmission belt 14 is transmissionly connected between two synchronous belt pulleys 13, and the bottom of processing platform 1 is fixedly connected with first motor 15, and the output shaft of first motor 15 is fixedly connected with one of synchronous belt pulleys 13, and the side of push plate 17 is slidably connected with slide rod 18, and the bottom of lower mould 3 and the top of upper mould 4 are all equipped with the slide groove of adaptation with slide rod 18 and are slidably connected with slide rod 18, and the two sides of lower mould 3 and upper mould 4 are all fixedly connected with pneumatic cylinder 16, and the piston rod of pneumatic cylinder 16 is fixedly connected with push plate 17, and the air hole 21 is equipped between two adjacent push holes 19, and the bottom of lower mould 3 and the top of upper mould 4 are all fixedly connected with air pipe 22, and air pipe 22 is communicated with one air hole 21, and one end of air pipe 22 is communicated with hose 23, and air pipe 22 is located in the inside of push plate 17 and is slidably connected with push plate 17, and one side of lower mould 3 is fixedly connected with a plurality of limit block 24, and the top of processing platform 1 is fixedly connected with a plurality of support block 25, and the side of support block 25 and one side of the inside wall of processing platform 1 are all equipped with the limit hole 26 of adaptation with limit block 24, and the side of positioning plate 8 is rotatably connected with rotating plate 27, and rotating plate 27 is fixedly connected with lower mould 3, and the side of the end of rotating plate 27 away from lower mould 3 is rotatably connected with adjusting rod 28, and the top of processing platform 1 is fixedly connected with adjusting plate 29, and the inside of adjusting plate 29 is equipped with adjusting hole 30, and two adjusting rods 28 are located respectively at the inside of two adjusting holes 30,The gas cylinder 16, the push plate 17, the push hole 19, the ejector rod 20, the positioning plate 8, the moving block 9, the sliding rail 10, the lead screw 12, the synchronous pulley 13, the transmission belt 14, the first motor 15, the adjusting rod 28, the adjusting plate 29 and the adjusting hole 30 are arranged, so that in the using process, the push plate 17 drives the ejector rod 20 to move by the starting of the gas cylinder 16, so that the ejector rod 20 penetrates into the inside of the upper die 4 and the lower die 3 and contacts the die casting, so as to push the die casting, and the die casting can be separated from the die without manual intervention, and the two lead screws 12 are driven to rotate by the rotation of the two synchronous pulleys 13 driven by the first motor 15, so that the moving block 9 drives the positioning plate 8 to move, and the positioning plate 8 drives the lower die 3 and the rotating plate 27 to move after moving, the adjusting rod 28 moves in the adjusting hole 30, and the rotating plate 27 rotates by the adjusting hole 30 when the adjusting rod 28 moves, so that the lower die 3 rotates, and the opening of the lower die 3 faces downward after rotating, so that the die casting in the lower die 3 falls off, the die casting and the die are separated, the die is taken out after the die and the die casting are demolded, manual demolding in the operation process is easy to cause the die casting to be damaged or the operator to be injured due to human factors, the safety in the die casting process is reduced, and the efficiency of the die casting process is affected, the air flow is injected into the air hole 21 in the using process of the device, the air flow enters the inside of the lower die 3 and the upper die 4 through the push hole 19 after entering the inside of the air hole 21, and the die casting scraps remaining in the inside of the upper die 4 and the lower die 3 are cleaned, and the problem that the product quality of the subsequent die casting is affected by the scraps remaining in the inside of the lower die 3 and the upper die 4.
[0020] Embodiment 2: A die casting automatic pushing and demolding mechanism, referring to Figure 6 , Figure 7The bottom of the processing table 1 is provided with two supporting plates 33, the connecting blocks 34 are fixedly connected between the supporting plates 33 and the supporting legs 2, the side plates 31 are fixedly connected between the two supporting plates 33, the side plates 31 are fixedly connected to the two side inner walls of the processing table 1, the side surface of the side plate 31 is fixedly connected with the soft pad 32, the side surface of the supporting plate 33 is provided with the chain 35, a plurality of chain wheels 36 are transmissionally connected in the chain 35, the chain wheel 36 is rotationally connected with the supporting plate 33, the fixed rod 37 is fixedly connected between the two chain wheels 36, a plurality of transmission rods 38 are fixedly connected between the two chains 35, the side surface of one of the supporting plates 33 is fixedly connected with the second motor 39, the output shaft of the second motor 39 penetrates through the supporting plate 33 and is fixedly connected with one of the chain wheels 36, through the arrangement of the side plate 31, the soft pad 32, the chain 35, the chain wheel 36, the fixed rod 37, the transmission rod 38 and the second motor 39, the device can support the die casting through the side plate 31 and the soft pad 32 when in use, so that the die casting falls on the top of the transmission rod 38, the second motor 39 can drive one of the chain wheels 36 to rotate, one of the chain wheels 36 can drive the remaining chain wheels 36 to rotate through the fixed rod 37 and the chain 35 after rotating, so that the chain 35 drives the transmission rod 38 to move, the transmission rod 38 can transfer the die casting on the top after moving, and the temperature of the die casting is reduced during the transfer, which is convenient for manual subsequent storage of the die casting.
[0021] The implementation principle of the embodiment of the application is as follows: when used, the two hoses 23 are communicated with the external air source, at this time the lower mold 3 is located below the upper mold 4, at this time the limiting block 24 is located inside the limiting hole 26 of the support block 25 and the processing table 1, thereby positioning the lower mold 3, the top end of the top rod 20 is attached to the inner wall of the upper mold 4 and the lower mold 3, then the hydraulic rod 5 is started, the output shaft of the hydraulic rod 5 makes the lifting plate 6 descend, the lifting plate 6 descends to make the upper mold 4 descend, the upper mold 4 is attached to the lower mold 3 after descending, thereby clamping, then the external tool pours the liquid metal into the inside of the grouting pipe 40, the liquid metal flows in the inside of the grouting pipe 40 and enters the cavity between the upper mold 4 and the lower mold 3, thereby shaping, when the liquid metal solidifies and forms the die casting, the hydraulic rod 5 makes the lifting plate 6 ascend, thereby making the upper mold 4 ascend, when the upper mold 4 ascends, the air cylinder 16 on the side of the upper mold 4 is started, the air cylinder 16 makes the push plate 17 move, the push plate 17 moves to make the top rod 20 penetrate into the inside of the upper mold 4, then the top rod 20 pushes the die casting to make the die casting separate from the upper mold 4, after the die casting separates from the upper mold 4, the air cylinder 16 makes the top rod 20 retract to the inner wall of the upper mold 4, then the top rod 20 retracts again to make the top rod 20 enter the inside of the upper mold 4, thereby canceling the blockage of the air hole 21, then the external air source injects the air flow into the hose 23 on the top of the upper mold 4, the air flow enters the inside of the air pipe 22 through the hose 23 and enters the inside of one of the air holes 21 through the air pipe 22, then the air flow flows in the inside of the air holes 21, thereby entering the inside of the push holes 19, thereby entering the inside of the upper mold 4, thereby blowing and cleaning the upper mold 4, after cleaning, the first motor 15 is started, the output shaft of the first motor 15 makes one of the synchronous pulleys 13 rotate and makes the other synchronous pulley 13 rotate through the transmission belt 14, the two synchronous pulleys 13 rotate to make the two lead screws 12 rotate, thereby making the moving block 9 drive the positioning plate 8 to move, the positioning plate 8 moves to make the rotating plate 27 and the lower mold 3 move, when the rotating plate 27 moves, the adjusting rod 28 moves in the adjusting hole 30 and starts to ascend and descend through the adjusting hole 30 when moving, the rotating plate 27 starts to rotate after the adjusting rod 28 ascends and descends, the rotating plate 27 rotates to make the lower mold 3 rotate, the lower mold 3 rotates to make the opening tilt downward, then the lower mold 3 can be demolded according to the demolding method of the upper mold 4, thereby making the die casting separate from the lower mold 3, after separation, the die casting falls to the top of the soft pad 32 and is buffered through the soft pad 32 and falls to the top of the transmission rod 38, at this time the second motor 39 is started, the second motor 39 makes one of the chain wheels 36 rotate, the chain wheel 36 rotates to make the remaining chain wheels 36 rotate through the fixing rod 37 and the chain 35, then the chain wheels 36 synchronously rotate, the chain 35 drives the transmission rod 38 to move, the transmission rod 38 moves to drive the die casting on the top of the transmission rod 38 to move, the die casting moves to start natural cooling, when the die casting moves to the tail end of the support plate 33,The worker can take down the die casting and store it.
[0022] The embodiments of the present application are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, wherein the same parts are denoted by the same reference numerals. Therefore, any equivalent changes made on the structure, shape, and principle of the present application should be covered within the protection scope of the present application.
Claims
1. An automatic push-type die casting ejection mechanism comprising a processing table (1), characterized in that: The shape of the processing platform (1) is U-shaped, the bottom of the processing platform (1) is fixedly connected with four supporting legs (2), the inside walls of the two sides of the processing platform (1) are provided with a lower mold (3), the upper side of the lower mold (3) is provided with an upper mold (4), the top of the processing platform (1) is fixedly connected with two hydraulic rods (5), the output shaft of the hydraulic rod (5) is fixedly connected with a lifting plate (6), the two lifting plates (6) are fixedly connected with the upper mold (4), the inside of the two ends of the lifting plate (6) is slidably connected with a positioning rod (7), the positioning rod (7) is fixedly connected with the processing platform (1), the two sides of the lower mold (3) are provided with a positioning plate (8), the side of the positioning plate (8) is provided with an annular sliding groove, the two sides of the lower mold (3) are fixedly connected with an arc-shaped sliding block, the lower mold (3) is rotatably connected with the positioning plate (8) through the annular sliding groove and the arc-shaped sliding block, the bottom of the positioning plate (8) is fixedly connected with a moving block (9), the bottom of the processing platform (1) is fixedly connected with two sliding rails (10), the two moving blocks (9) are respectively located outside the two sliding rails (10) and are slidably connected with the sliding rails (10), the bottom of the lower mold (3) and the top of the upper mold (4) are provided with a push plate (17), the inside of the lower mold (3) and the upper mold (4) is provided with a plurality of push holes (19), the inside of the push hole (19) is provided with a jacking rod (20), the jacking rod (20) is fixedly connected with the push plate (17), the top of the upper mold (4) is provided with a through hole and is fixedly connected with a grouting pipe (40).
2. The automatic ejection mechanism for die casting according to claim 1, wherein: The top of the processing platform (1) is fixedly connected with four fixed plates (11), opposite two fixed plates (11) are rotatably connected with a lead screw (12), the two lead screws (12) are respectively located inside the two moving blocks (9) and are threadedly connected with the moving blocks (9), the side of the two fixed plates (11) is rotatably connected with a synchronous belt pulley (13), the two synchronous belt pulleys (13) are respectively fixedly connected with the two lead screws (12), the two synchronous belt pulleys (13) are drivingly connected with a transmission belt (14), the bottom of the processing platform (1) is fixedly connected with a first motor (15), the output shaft of the first motor (15) is fixedly connected with one of the synchronous belt pulleys (13).
3. The automatic ejection mechanism for die casting according to claim 1, wherein: The side of the push plate (17) is slidably connected with a sliding rod (18), the bottom of the lower mold (3) and the top of the upper mold (4) are provided with a sliding groove matched with the sliding rod (18) and slidably connected with the sliding rod (18), the two sides of the lower mold (3) and the upper mold (4) are fixedly connected with an air cylinder (16), the piston rod of the air cylinder (16) is fixedly connected with the push plate (17).
4. The automatic ejection mechanism for die casting according to claim 1, wherein: Ventilation holes (21) are arranged between two adjacent push holes (19), the bottom of the lower mold (3) and the top of the upper mold (4) are fixedly connected with air pipes (22), the air pipes (22) are communicated with one of the ventilation holes (21), one end of the air pipe (22) is communicated with a hose (23), and the air pipe (22) is located in the inside of the push plate (17) and is slidably connected with the push plate (17).
5. The automatic ejection mechanism for die casting according to claim 1, wherein: One side of the lower mold (3) is fixedly connected with a plurality of limiting blocks (24), the top of the processing table (1) is fixedly connected with a plurality of supporting blocks (25), and the side surface of the supporting block (25) and one side inner wall of the processing table (1) are both provided with limiting holes (26) matched with the limiting blocks (24).
6. The automatic ejection mechanism for die casting according to claim 1, wherein: The side surface of the positioning plate (8) is rotatably connected with a rotating plate (27), the rotating plate (27) is fixedly connected with the lower mold (3), the side surface of one end of the rotating plate (27) away from the lower mold (3) is rotatably connected with an adjusting rod (28), the top of the processing table (1) is fixedly connected with an adjusting plate (29), the inside of the adjusting plate (29) is provided with an adjusting hole (30), and the two adjusting rods (28) are located in the two adjusting holes (30) respectively.
7. The automatic ejection mechanism for die casting according to claim 1, wherein: The bottom of the processing table (1) is provided with two supporting plates (33), the supporting plates (33) and the supporting legs (2) are fixedly connected with connecting blocks (34), the two supporting plates (33) are fixedly connected with a side plate (31), the side plate (31) is fixedly connected with the two side inner walls of the processing table (1), the side surface of the side plate (31) is fixedly connected with a soft pad (32), the side surface of the supporting plate (33) is provided with a chain (35), a plurality of chain wheels (36) are transmissionally connected in the chain (35), and the chain wheels (36) are rotatably connected with the supporting plate (33).
8. The automatic ejection mechanism of claim 7, wherein: The relative two chain wheels (36) are fixedly connected with a fixed rod (37), a plurality of transmission rods (38) are fixedly connected between the two chains (35), the side surface of one of the supporting plates (33) is fixedly connected with a second motor (39), and the output shaft of the second motor (39) penetrates the supporting plate (33) and is fixedly connected with one of the chain wheels (36).