A mould stripping device

Abstract

This application relates to the technical field of casting demolding equipment, and discloses an ingot mold demolding device. The device includes an ingot mold that can be directionally flipped, an air supply cylinder and air supply connector set at the demolding station corresponding to the ingot mold, a sealing component, a desealing component, and an ejection mechanism. By driving the ingot mold to flip to the demolding station, the air supply connector is connected to the air guide seat, thereby triggering the desealing component to release the sealing state and introduce pressurized gas. The pressurized gas first acts on the ejection mechanism, causing the push plate to move axially along the ingot cavity towards the opening of the ingot cavity. Then, the displacement of the push plate triggers the pressurized gas to be ejected from the air outlet, realizing the sequential linkage of mechanical ejection and gas-assisted demolding. The device locks the demolding power and spatial station correspondence through a physical displacement trigger chain, ensuring synchronous and reliable operation, while eliminating problems such as premature air circuit opening, gas leakage, and damage to the ingot surface. It is suitable for stable demolding operation in high temperature, vibration, and dust environments.

Description

Technical Field

[0001] This application relates to the field of casting demolding equipment technology, specifically to an ingot mold demolding device. Background Technology

[0002] During alloy casting, after the ingot cools, a strong adsorption and frictional resistance usually form between it and the inner wall of the ingot cavity. Demolding often requires the combined action of ejection and gas assistance. In existing ingot mold demolding devices, the common practice is to set up a mechanical ejection mechanism and a gas blowing mechanism separately, and to trigger and control each action through electronic control components, sensor elements or independent actuators.

[0003] However, the casting site is usually a working environment with high temperature, vibration, and heavy dust. Sensing elements, electronic control components, and related triggering parts are prone to failure, drift, or unstable response, making it difficult to maintain a stable correspondence between the timing of power introduction and the actual turning position of the ingot mold during the demolding process. If the air circuit is opened prematurely before the ingot mold has accurately reached the demolding position, it is easy to cause pressurized gas leakage or waste; if the ingot mold has reached the demolding position but the air circuit has not been opened in time, it will affect the subsequent demolding rhythm and demolding continuity.

[0004] On the other hand, in existing technologies, the mechanical ejection action and the gas blowing action are mostly driven by different control links, and there is a lack of sequential linkage between the two based on the actual displacement state. When the gas blowing occurs before the pusher ejection, the pressurized gas is prone to dissipate along the mating interface between the ingot and the ingot cavity that has not yet been pushed open, making it difficult to form an effective auxiliary peeling effect; when the gas blowing fails to follow up in time after the pusher ejection, the ingot is prone to mainly bear the concentrated mechanical pushing action, affecting the smoothness of demolding, and in severe cases, it may even cause damage to the surface of the ingot.

[0005] Therefore, there is an urgent need in the existing technology for an ingot mold demolding device that can establish a stable correspondence between the ingot mold flipping position and the gas path conduction state under electronic triggering conditions that are easily affected by the on-site environment, and enable the push plate ejection action and the gas injection action to be executed in a coordinated sequence constrained by displacement, so as to avoid problems such as premature gas path conduction, pressure gas leakage, mismatch between mechanical ejection and gas injection timing, and damage to the ingot surface during the demolding process. Summary of the Invention

[0006] This application discloses a mold demolding device. By performing air circuit unsealing control on the docking action when the mold is flipped to the demolding station, performing push plate ejection drive on the pressurized gas introduced into the mold, and performing spray trigger control on the ejection displacement of the push plate, a demolding processing chain is formed in which the mold station state corresponds to the air circuit conduction state and the mechanical ejection and gas spray are linked in sequence, thereby improving the synchronicity, stability and reliability of the mold demolding process.

[0007] To achieve the above objectives, this application adopts the following technical solution:

[0008] This application provides an ingot mold demolding device, including a frame, on which an ingot mold is rotatably mounted. The ingot mold has several ingot cavities, and each cavity has a push plate that can move relative to it along its axial direction at its bottom. Several air outlets are distributed on the push surface of the push plate. A gas supply cylinder corresponding to the demolding position of the ingot is vertically mounted on the frame, and a gas supply connector protruding from the bottom of the gas supply cylinder is elastically mounted on its bottom side. The gas supply cylinder is used to supply pressurized gas to the gas supply connector. A gas guide seat adapted to mate with the gas supply connector is provided on the outer wall of the ingot mold on the side away from the ingot cavity. The device also includes a sealing component, a desealing component, and an ejection mechanism. The sealing component is used for... Initially, the gas supply cylinder and the gas supply connector are kept in a non-connected state. By driving the ingot mold to rotate to the demolding station, the gas supply connector is aligned with the gas guide seat, triggering the unsealing component and releasing the non-connection between the gas supply cylinder and the gas supply connector. After unsealing, the pressurized gas input into the ingot mold acts on the ejection mechanism, first driving the push plate to move outward along the ingot cavity axis towards the ingot cavity opening. The ejection movement of the push plate switches the air jet passage within the ejection mechanism from a closed state to a connected state, allowing the pressurized gas to be ejected outward from the air outlet. This scheme constrains the timing of pressurized gas introduction to the ingot mold demolding station and the timing of air outlet ejection to the push plate ejection displacement, thereby reducing the risk of premature gas path opening and injection timing mismatch.

[0009] Furthermore, the sealing assembly includes a first fixed plate concentrically fixed inside the gas cylinder, and a third plug groove axially opened on the first fixed plate to communicate with the gas delivery connector. A valve plate is provided on one side of the first fixed plate to seal the gas inlet end of the third plug groove. Through this sealing assembly, a stable static sealing interface can be constructed by the valve plate in the standby state, effectively preventing the pressure gas in the gas cylinder from leaking from the gas delivery connector.

[0010] Furthermore, the unsealing assembly includes a rotating cylinder concentrically inserted into a first fixed plate. One end of the cylinder passes through a valve plate and is fixedly connected to a turntable. The valve plate is concentrically fixed on the turntable. Both the turntable and the valve plate have an air inlet hole offset from the third plug groove. The other end of the cylinder is axially movable and has a third connecting rod inserted in sync with the movement of the gas delivery connector. When the air guide seat moves to connect with the gas delivery connector, the third connecting rod moves inward to the inside of the cylinder and drives the cylinder to rotate, causing the air inlet hole to rotate to a position connected with the third plug groove. By converting the linear displacement of the connection into an opening rotational displacement, the physical automation of the air passage connection determined by the flip position is achieved without the need for external signal intervention.

[0011] Furthermore, the inner side of the rotating cylinder is provided with a first spiral groove and a second axially extending groove sequentially along the axial direction. The first groove and the second groove are connected, and the first groove is located between the second groove and the air supply connector. The outer wall of the third connecting rod is provided with a protrusion that can slide and engage with the first and second grooves. Through the connection between the spiral groove and the straight groove, a smooth transition of the opening stroke and end-point protection are achieved, preventing the valve plate from rotating excessively.

[0012] Furthermore, a synchronizing disc is provided at the end of the third connecting rod away from the rotating drum. A fourth connecting rod is fixed between the synchronizing disc and the gas supply connector. A connecting pipe is axially arranged on the side of the synchronizing disc facing the first fixed disc. The air inlet end of the connecting pipe extends into the third plug groove and is fitted with a third plug ring that matches the third plug groove. An air outlet channel is jointly provided on the inner side of the synchronizing disc, the fourth connecting rod, and the gas supply connector. The air inlet end of the air outlet channel is connected to the air outlet end of the connecting pipe, and the air outlet end of the air outlet channel is located at the bottom end of the gas supply connector. Through the follow-up sealing structure formed by the third plug ring and the third plug groove, it is ensured that the pressurized gas maintains a sealed fluid transmission during the transmission displacement of the unsealing component.

[0013] Furthermore, a first spring is provided between the synchronous disc and the first fixed disc. When the air supply connector aligns with the air guide seat, the first spring is in a compressed state. The first spring provides the pre-tightening force for alignment and the return force, thereby achieving automatic reset and cutoff of the air path.

[0014] Furthermore, the air guide seat has a docking conical hole that connects with the air supply connector, and a sealing ring is installed in the docking conical hole (the sealing ring is embedded in the docking conical hole). The outer wall of the air guide seat has a slope that slides and presses against the air supply connector. The slope guides the flexible contact docking of the dynamic and static interfaces, and the sealing ring helps to prevent connection leakage under high pressure.

[0015] Furthermore, the ejection mechanism includes a first ejection assembly and a second ejection assembly. The pressurized gas, after being unsealed and input into the mold, acts on the first ejection assembly, driving the push plate to move outwards and triggering the second ejection assembly, causing the pressurized gas to be ejected outwards from the vent. Through this two-stage cascaded drive, a causal relationship is established between mechanical displacement and pneumatic injection, achieving temporal decoupling of the demolding kinetic energy.

[0016] Furthermore, the first ejection assembly includes a synchronous plate disposed inside the ingot mold and moving in the same direction as the push plate. A second connecting rod is fixed between the synchronous plate and the push plate. A first connecting rod parallel to the second connecting rod is fixed to the side of the synchronous plate away from the push plate. A first plug groove, a second air chamber, and a third air chamber are formed inside the ingot mold. A piston adapted to the first plug groove is provided at one end of the first connecting rod. The inner side of the air guide seat has a first air chamber that connects to the air outlet end of the connecting cone hole. The air outlet end of the first air chamber connects to the air inlet end of the second air chamber. The air inlet end of the third air chamber connects to one of the air outlet ends of the second air chamber. The air outlet end of the third air chamber connects to the air inlet end of the first plug groove. A second spring is sleeved on the outside of the first connecting rod. The two ends of the second spring are respectively connected to the outer wall of the piston and the groove wall of the first plug groove. By driving the built-in piston with the same pressure gas, the mechanical breaking of the ingot in the first stage is realized, replacing the complex external driving components.

[0017] Furthermore, the second ejection assembly includes multiple second fixed plates fixed inside the mold and concentric with the corresponding second connecting rods. Each second fixed plate has an axially extending second plug groove, a radially extending air supply hole, and a circumferentially extending fourth air chamber. The air inlet end of the air supply hole is connected to the air outlet end of the fourth air chamber, and the air outlet end of the air supply hole is connected to the air inlet end of the second plug groove. A first guide tube is provided inside the mold. The air inlet end of the first guide tube is connected to another air outlet end of the second air chamber, and the air outlet end of the first guide tube is connected to the air inlet end of the fourth air chamber of one of the second fixed plates. A third guide tube is provided between the fourth air chambers of two adjacent second fixed plates.

[0018] The second connecting rod can move axially relative to the second fixed plate. The push plate is axially fixed with a second guide tube on the side near the second fixed plate. The air inlet end of the second guide tube extends into the second plug groove and is fitted with a second plug ring that matches the second plug groove. When the push plate does not move, the second plug ring can completely block the air outlet end of the air delivery hole. When the push plate moves outward, the second guide tube drives the second plug ring to move axially along the second plug groove, so that the second plug ring moves away from the air outlet end of the air delivery hole. The air delivery hole, the second plug groove and the second guide tube are connected to guide the pressurized gas to the air outlet on the push plate.

[0019] The push plate has a fifth air chamber and a sixth air chamber on its inner side. The air inlet of the fifth air chamber is connected to the air outlet of the second duct, and the air outlet of the fifth air chamber is connected to the air inlet of the sixth air chamber. The air inlet of the air outlet is connected to the sixth air chamber.

[0020] By setting the push plate as a valve switch, the physical linkage between the push plate and the air outlet is realized, ensuring that the air cushion expands to assist in the peeling.

[0021] Compared with the prior art, the beneficial effects achieved by this application are as follows:

[0022] This application establishes a demolding process chain that is executed sequentially along “flipping and docking, air passage opening, push plate ejection, and gas injection” by using the docking action after the ingot mold is flipped to the demolding station as the trigger basis for air passage unsealing and the ejection displacement of the push plate as the further trigger basis for pressure gas injection. This results in a linkage relationship between each action during the demolding process that is constrained by both physical position and actual displacement.

[0023] Firstly, in this application, the sealing component is used to maintain the non-connection state between the gas supply cylinder and the gas supply connector in the initial state. The unsealing component releases the non-connection state only when the ingot mold is flipped to the demolding position and the gas supply connector is connected to the gas guide seat. Therefore, the timing of the introduction of pressurized gas can correspond to the actual demolding position state of the ingot mold, which helps to reduce the problem of false triggering caused by sensor inaccuracy, independent control lag or environmental interference, and improves the reliability of demolding action triggering.

[0024] Secondly, in this application, the pressurized gas input into the mold first acts on the ejection mechanism, driving the push plate to move outward. After the push plate has moved outward, the pressurized gas is then ejected outward from the vent hole by the ejection action. This creates a clear sequential relationship between mechanical ejection and gas-assisted stripping, which helps to avoid the leakage problem caused by premature ejection of pressurized gas and avoids the demolding impact problem caused by relying solely on mechanical hard ejection.

[0025] Thirdly, in this application, by establishing the push plate ejection action and the air outlet injection action as a linked action, gas assistance can be introduced after the initial separation trend has been formed between the ingot and the ingot cavity, so that the pressurized gas is more conducive to entering the separation area between the ingot and the ingot cavity, thereby improving the stability of the demolding process and reducing the risk of damage to the ingot surface.

[0026] Fourth, this application does not rely on complex electronic sensing triggering links as a whole. Instead, it uses the physical docking action during the ingot mold flipping process and the actual ejection displacement of the push plate to complete the step-by-step triggering. Therefore, in the high temperature, vibration and dust environment of the casting site, it is still conducive to maintaining a relatively stable action synchronization relationship and demolding reliability. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall structure of the device in this application when it is in the upright casting position;

[0028] Figure 2 for Figure 1 A schematic diagram of a partial cross-sectional structure;

[0029] Figure 3 for Figure 1 A schematic diagram of the cross-sectional structure of the gas transmission tower;

[0030] Figure 4 for Figure 3 A schematic cross-sectional view of a portion of the gas transmission tower;

[0031] Figure 5 for Figure 4 Enlarged structural diagram at point A;

[0032] Figure 6 for Figure 3 A cross-sectional view of the transfer cylinder (the protrusion is located at the end of the first groove that is furthest from the second groove).

[0033] Figure 7 for Figure 2 Enlarged structural diagram at point B;

[0034] Figure 8 This is a schematic diagram of the overall structure of the device in this application when it is in the inverted demolding position;

[0035] Figure 9 for Figure 8 A schematic diagram of a partial cross-sectional structure;

[0036] Figure 10 for Figure 9 Enlarged structural diagram at point C;

[0037] Figure 11 for Figure 9 Enlarged structural diagram at point D;

[0038] Figure 12 for Figure 8 A partial cross-sectional structural diagram of the gas transmission connector when it is connected to the gas guide seat;

[0039] Figure 13 for Figure 8 Schematic diagram of the structure of the central guide gas seat;

[0040] Figure 14 for Figure 8 A partial cross-sectional view of the gas delivery connector on the bottom side of the gas delivery cylinder in a retracted and upward-moving state.

[0041] Figure 15 for Figure 14 A cross-sectional view of the transfer cylinder (the protrusion is located in the second groove at this time);

[0042] Figure 16 for Figure 14 A bottom view of the structure when the air inlet on the turntable and valve plate is rotated to align with the position of the third plug groove.

[0043] Explanation of reference numerals in the attached figures:

[0044] 1. Frame; 2. Die; 3. Die cavity; 5. Gas supply cylinder; 6. Gas supply connector; 7. Air guide seat; 8. Connecting cone hole; 9. First air chamber; 10. Slope; 11. Sealing ring; 12. Push plate; 13. Air outlet; 14. Second air chamber; 15. Third air chamber; 16. First plug groove; 17. Piston; 18. First connecting rod; 19. Synchronizing plate; 20. Second connecting rod; 21. Second fixed plate; 22. First guide tube; 23. Fourth air chamber; 24. Gas supply hole; 25. Second plug 26. Groove; 27. Second plug ring; 28. Second conduit; 29. ​​Fifth air chamber; 20. Sixth air chamber; 31. Third conduit; 32. Receiving groove; 33. Synchronizing disc; 34. Third connecting rod; 35. Rotary drum; 36. First fixed disc; 37. Rotary disc; 38. Valve plate; 39. First groove; 40. Second groove; 41. Protrusion; 42. Air inlet; 43. Third plug groove; 44. Connecting pipe; 45. Third plug ring; 46. Fourth connecting rod; 47. Air outlet channel; 48. Motor. Detailed Implementation

[0045] The technical solution of this application will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the embodiments and specific features in the embodiments are detailed descriptions of the technical solution of this application, rather than limitations thereof.

[0046] Please combine Figures 1 to 16 The ingot mold demolding device includes a frame 1, which serves as the supporting foundation for the entire device. An ingot mold 2 is oriented and flipped on the frame 1. A motor 48 is mounted on the frame 1, and the output shaft of the motor 48 is connected to the side wall of the ingot mold 2, thus serving as the external rotational power source for the ingot mold 2. That is, the motor 48 can drive the ingot mold 2 to switch between a 180-degree rotation between an upright casting position (ingot cavity 3 facing upwards, used for casting) and a demolding position after being rotated 180 degrees (ingot cavity 3 facing downwards, used for demolding).

[0047] The ingot mold 2 has several ingot cavities 3 for forming. Each ingot cavity 3 has a push plate 12 at its bottom that can move relative to it along its axis. Each ingot cavity 3 has a receiving groove 31 at its bottom. In the initial state, the push plate 12 is completely received in the receiving groove 31, ensuring that the pushing surface of the push plate 12 is flush with the inner wall of the ingot cavity 3.

[0048] A gas supply cylinder 5 is vertically installed on the frame 1 to correspond to the demolding station of the ingot. The gas supply cylinder 5 is used to supply pressurized gas to the gas supply connector 6. The gas supply cylinder 5 is filled with pressurized gas (which can be supplied by connecting an external gas source to the gas inlet end of the gas supply cylinder 5).

[0049] Several air outlets 13 are distributed on the push surface of the push plate 12. An air supply connector 6 is elastically provided on the bottom side of the air supply cylinder 5, protruding from its bottom cylinder opening. An air guide seat 7 is provided on the outer wall of the ingot mold 2 on the side away from the ingot cavity 3, which is adapted to mate with the air supply connector 6.

[0050] The device also includes a sealing assembly, a desealing assembly, and an ejection mechanism. During operation, the sealing assembly initially maintains a non-connected state between the gas supply cylinder 5 and the gas supply connector 6. The ingot mold 2 is rotated to the demolding position by the motor 48, causing the gas supply connector 6 to align with the air guide seat 7. This spatial alignment physically triggers the desealing assembly, thereby releasing the non-connection between the gas supply cylinder 5 and the gas supply connector 6. After desealing, the pressurized gas input into the ingot mold 2 acts on the ejection mechanism, first driving the push plate 12 to move axially along the ingot cavity 3 towards the opening of the ingot cavity 3. This ejection movement of the push plate 12 switches the air jet passage connecting the air outlet 13 within the ejection mechanism from a closed state to a connected state, allowing the pressurized gas to be ejected outwards from the air outlet 13.

[0051] In practice, when the motor 48 drives the ingot mold 2 to rotate to the demolding station, the air guide seat 7 and the air supply connector 6 are physically connected. The displacement generated by the connection triggers the unsealing component to release the non-connection state between the air supply cylinder 5 and the air supply connector 6. Then, the pressurized gas in the air supply cylinder 5 can directly reach the air supply connector 6 and enter the ingot mold 2, and act on the ejection mechanism. The gas first drives the push plate 12 to push against the ingot, and the ejection movement of the push plate 12 causes the pressurized gas to be sprayed outward from the air outlet 13.

[0052] In this way, the reliance on electronic sensors is eliminated, and by setting the change in macroscopic spatial position as a prerequisite for opening the gas path, the flipping action is made conductive. At the same time, the microscopic displacement of the mechanical push plate 12 is set as the trigger condition for gas injection, realizing displacement-driven injection. This purely physical cascade design fundamentally eliminates the timing drift and internal interference of multiple power sources in the demolding action, thereby reducing the impact of high temperature, vibration, and dust environment on the demolding trigger timing.

[0053] In one embodiment, the sealing assembly includes a first fixed plate 35 concentrically fixed inside the gas cylinder 5. The first fixed plate 35 has a third plug groove 43 axially opened on it, which communicates with the gas supply connector 6. A valve plate 37 is provided on one side of the first fixed plate 35 for sealing the air inlet end of the third plug groove 43. That is, in the initial state, the valve plate 37 is tightly attached to and seals the air inlet end of the third plug groove 43.

[0054] In this way, by utilizing the static tight fit between the first fixed plate 35 and the end face of the valve plate 37, a stable high-pressure physical barrier is constructed at the source of the pressurized gas transmission, which effectively ensures the effective sealing of the pressurized gas at the inlet end of the gas delivery connector 6 before the ingot mold 2 is flipped and connected, thus preventing leakage.

[0055] In one embodiment, the unsealing assembly includes a rotating cylinder 34 concentrically rotatably inserted on a first fixed plate 35. One end of the rotating cylinder 34 passes through a valve plate 37 and is fixedly connected to a turntable 36. The valve plate 37 is concentrically fixed on the turntable 36. Both the turntable 36 and the valve plate 37 have an air inlet 41 that is misaligned with the third plug groove 43 (when the air guide seat 7 is not connected to the air supply connector 6, the air inlet 41 and the third plug groove 43 are misaligned). The other end of the rotating cylinder 34 is axially movable and has a third connecting rod 33 that moves synchronously with the air supply connector 6. When the air guide seat 7 moves to connect with the air supply connector 6, the third connecting rod 33 moves towards the inside of the rotating cylinder 34 and drives the rotating cylinder 34 to rotate, causing the air inlet 41 to rotate to a position connected with the third plug groove 43.

[0056] In this way, the instantaneous axial linear compression displacement generated when the ingot mold 2 is flipped and docked is smoothly converted into the torque displacement that drives the valve plate 37 to rotate. This linear-rotation mechanism realizes the automated action of opening the valve upon docking, effectively avoiding fatigue damage to the valve plate 37 that may be caused by direct rigid collision.

[0057] In one embodiment, the inner side of the rotating drum 34 is provided with a first groove 38 in a spiral shape and a second groove 39 extending axially in sequence along the axial direction. The first groove 38 and the second groove 39 are smoothly connected, and the first groove 38 is located between the second groove 39 and the air supply connector 6. The outer wall of the third connecting rod 33 is provided with a protrusion 40 that can slide and cooperate with the first groove 38 and the second groove 39.

[0058] The circumferential extension angle of the first groove 38 is determined according to the circumferential angle between the air inlet 41 and the third plug groove 43 in the initial misaligned state. When the protrusion 40 slides from the end of the first groove 38 near the air connector 6 to the connection between the first groove 38 and the second groove 39, the rotating cylinder 34 drives the turntable 36 and the valve plate 37 to rotate to the position where the air inlet 41 and the third plug groove 43 are connected. The second groove 39 extends axially to accommodate the protrusion 40 to continue to move axially when the air inlet 41 and the third plug groove 43 remain connected.

[0059] Thus, when the protrusion 40 slides within the spiral first groove 38, the inclined guide rail principle forces the rotating cylinder 34 to rotate, thereby unlocking the valve. When the air inlet 41 aligns with the third plug groove 43, the protrusion 40 slides into the straight second groove 39. At this point, no matter how much redundant excessive displacement the third connecting rod 33 continues to undergo, the rotating cylinder 34 will no longer rotate, providing overload buffer protection for valve opening and preventing the valve from misaligning and closing again due to excessive compression.

[0060] In one embodiment, a synchronizing disc 32 is provided at the end of the third connecting rod 33 away from the rotating drum 34. A fourth connecting rod 46 is fixed between the synchronizing disc 32 and the air supply connector 6. A connecting pipe 44 is axially arranged on the side of the synchronizing disc 32 facing the first fixed disc 35. The air inlet end of the connecting pipe 44 extends into the third plug groove 43 and is fitted with a third plug ring 45 that is adapted to the third plug groove 43. An air outlet channel 47 is jointly provided on the inner side of the synchronizing disc 32, the fourth connecting rod 46, and the air supply connector 6. The air inlet end of the air outlet channel 47 is connected to the air outlet end of the connecting pipe 44, and the air outlet end of the air outlet channel 47 is located at the bottom end of the air supply connector 6.

[0061] In this way, a dynamic and sealed gas guide path is constructed, ensuring that the desealed pressurized gas can be steadily transmitted to the mating end of the gas connector 6 throughout the entire retraction stroke during the dynamic compression of the gas connector 6.

[0062] In one embodiment, a first spring is provided between the synchronizing disc 32 and the first fixed disc 35. The first spring can provide an initial thrust to the air supply connector 6 when it is not connected to the air guide seat 7, so that it maintains a protruding state on the bottom side of the air supply cylinder 5. When the air supply connector 6 is connected to the air guide seat 7, the first spring is in a compressed deformation state.

[0063] Thus, the first spring provides the necessary reverse flexible preload during docking, resulting in a tighter fit between the moving and stationary interfaces. Furthermore, after demolding is completed and the ingot mold 2 flips away from the demolding station, the spring's restoring force instantly resets all components, automatically cutting off the air supply and completing the periodic automatic initialization.

[0064] In one embodiment, the air guide seat 7 has a docking cone hole 8 that connects with the air supply connector 6, a sealing ring 11 is provided in the docking cone hole 8, and the outer wall of the air guide seat 7 has a slope 10 that slides and presses against the air supply connector 6.

[0065] Thus, before the ramp 10 rotates into place, it first slides and presses against the gas connector 6, gently dissolving the high-intensity radial shear force generated during the instantaneous rotational sweeping docking into axial yield displacement. The docking cone hole 8 and the sealing ring 11 then achieve adaptive rapid centering and transient compression sealing of the interface.

[0066] In one embodiment, the ejection mechanism includes a first ejection component and a second ejection component. After unsealing, the pressurized gas input into the mold 2 acts on the first ejection component, driving the push plate 12 to move outward and triggering the second ejection component, causing the pressurized gas to be ejected outward from the vent 13.

[0067] Furthermore, the first ejection assembly includes a synchronizing plate 19 disposed inside the mold 2 and moving in the same direction as the push plate 12. A second connecting rod 20 is fixed between the synchronizing plate 19 and the push plate 12. A first connecting rod 18 parallel to the second connecting rod 20 is fixed on the side of the synchronizing plate 19 away from the push plate 12. A first plug groove 16, a second air chamber 14, and a third air chamber 15 are provided inside the mold 2. A piston 17 adapted to the first plug groove 16 is provided at one end of the first connecting rod 18. A first air chamber 9 connected to the air outlet end of the connecting cone hole 8 is provided inside the air guide seat 7. The air outlet end of the first air chamber 9 is connected to the air inlet end of the second air chamber 14. The air inlet end of the third air chamber 15 is connected to one of the air outlet ends of the second air chamber 14. The air outlet end of the third air chamber 15 is connected to the air inlet end of the first plug groove 16. A second spring is sleeved on the outside of the first connecting rod 18. The two ends of the second spring are respectively connected to the outer wall of the piston 17 and the groove wall of the first plug groove 16.

[0068] Thus, an embedded back pressure cylinder structure is constructed inside the ingot mold 2 using pressurized gas introduced from the same source. The pressurized gas directly pushes the piston 17, which is converted into mechanical thrust to drive the push plate 12 (overcoming the resistance of the second spring), forcibly breaking the vacuum barrier in the early stage of ingot demolding.

[0069] In one embodiment, the second ejection assembly includes a plurality of second fixed plates 21 fixed inside the mold 2 and concentric with the corresponding second connecting rods 20. Each second fixed plate 21 has an axially extending second plug groove 25, a radially extending air supply hole 24, and a circumferentially extending fourth air chamber 23. The air inlet end of the air supply hole 24 is connected to the air outlet end of the fourth air chamber 23, and the air outlet end of the air supply hole 24 is connected to the air inlet end of the second plug groove 25. A first conduit 22 is provided inside the mold 2. The air inlet end of the first conduit 22 is connected to another air outlet end of the second air chamber 14, and the air outlet end of the first conduit 22 is connected to the air inlet end of the fourth air chamber 23 of one of the second fixed plates 21. A third conduit 30 is provided between the fourth air chambers 23 of two adjacent second fixed plates 21.

[0070] The second connecting rod 20 can move axially relative to the second fixed plate 21. The push plate 12 is axially fixed with a second guide tube 27 on the side near the second fixed plate 21. The air inlet end of the second guide tube 27 extends into the second plug groove 25 and is fitted with a second plug ring 26 that matches the second plug groove 25. When the push plate 12 is not moving, the second plug ring 26 can completely block the air outlet end of the air supply hole 24. When the push plate 12 moves outward, the second guide tube 27 drives the second plug ring 26 to move axially along the second plug groove 25, so that the second plug ring 26 moves away from the air outlet end of the air supply hole 24. The air supply hole 24, the second plug groove 25 and the second guide tube 27 are connected to guide the pressurized gas to the air outlet 13 on the push plate 12.

[0071] The inner side of the push plate 12 has a fifth air chamber 28 and a sixth air chamber 29. The air inlet of the fifth air chamber 28 is connected to the air outlet of the second conduit 27, and the air outlet of the fifth air chamber 28 is connected to the air inlet of the sixth air chamber 29. The air inlet of the air outlet 13 is connected to the sixth air chamber 29.

[0072] During operation, when the push plate 12 generates an ejection displacement, the push plate 12 drives the second guide tube 27 and the second plug ring 26 to move axially along the second plug groove 25. The second plug ring 26 moves from the position blocking the air outlet end of the air supply hole 24 to the position avoiding the air outlet end of the air supply hole 24, so that the fourth air chamber 23, the air supply hole 24, the second plug groove 25, the second guide tube 27, the fifth air chamber 28, the sixth air chamber 29 and the air outlet 13 are connected in sequence, and the stored pressure gas can be ejected from the air outlet 13.

[0073] Thus, the second plug ring 26, acting as a displacement-driven valve, ensures that the stripping gas cushion will only burst after the push plate 12 exerts substantial force and generates a breaking displacement, allowing the pressurized gas to act on the ingot at a fixed point.

[0074] In summary, the working principle of this application is as follows: Motor 48 drives the ingot mold 2 to flip to the inverted position, completing the contact pressure of the ramp 10 on the gas supply connector 6. This extrusion force forces the rotating drum 34 to rotate through the third connecting rod 33, which in turn drives the valve plate 37 to rotate, automatically releasing the third plug groove 43. The pressurized gas can then enter the interior of the ingot mold 2, one path of which pushes the piston 17 and the push plate 12 to forcibly overcome the deadlock and eject. At the moment when the push plate 12 produces a slight displacement, the second plug ring 26 linked to the back of the push plate 12 is pulled open, and the other path of pressurized gas rushes out from the air outlet 13 to form an air cushion. The mechanical force, the air cushion force, and the weight of the ingot itself work together to complete the demolding operation.

[0075] The above description is merely a preferred embodiment of this application. The scope of protection of this application is not limited to the above embodiments. All technical solutions falling within the scope of this application's concept are within the scope of protection of this application. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principles of this application should also be considered within the scope of protection of this application.

Claims

1. A mould stripping device, characterised in that, The equipment includes a frame (1), on which an ingot mold (2) is oriented and flip-mounted. The ingot mold (2) has several ingot cavities (3). Each ingot cavity (3) has a push plate (12) at its bottom that can move relative to it along its axial direction. Several air outlets (13) are distributed on the push surface of the push plate (12). A gas supply cylinder (5) corresponding to the demolding station of the ingot is vertically mounted on the frame (1). A gas supply connector (6) protruding from the bottom opening of the gas supply cylinder (5) is elastically mounted on the bottom side of the gas supply cylinder (5). The gas supply cylinder (5) is used to supply pressurized gas to the gas supply connector (6). A gas guide seat (7) adapted to be connected to the gas supply connector (6) is mounted on the outer wall of the ingot mold (2) away from the ingot cavity (3). It also includes sealing components, unsealing components, and ejection mechanisms; The sealing assembly is used to initially maintain the non-connected state between the gas cylinder (5) and the gas connector (6); By driving the ingot mold (2) to flip to the demolding station, the gas supply connector (6) is connected to the gas guide seat (7), triggering the unsealing component and releasing the non-connection state between the gas supply cylinder (5) and the gas supply connector (6) by the sealing component; after unsealing, the pressure gas input into the ingot mold (2) acts on the ejection mechanism, first driving the push plate (12) to generate an ejection movement along the axial direction of the ingot cavity (3) towards the opening of the ingot cavity (3), and using the ejection movement of the push plate (12), the jet passage in the ejection mechanism used to connect the air outlet (13) is switched from a closed state to a connected state, so that the pressure gas is ejected outward from the air outlet (13).

2. A mould stripping device according to claim 1, characterised in that The sealing assembly includes a first fixed plate (35) concentrically fixed inside the gas cylinder (5), a third plug groove (43) axially opened on the first fixed plate (35) to communicate with the gas delivery connector (6), and a valve plate (37) for sealing the air inlet end of the third plug groove (43) is provided on one side of the first fixed plate (35).

3. The mold release device as described in claim 2, characterized in that, The unsealing assembly includes a rotating cylinder (34) that is concentrically inserted into the first fixed plate (35). One end of the rotating cylinder (34) passes through the valve plate (37) and is fixed to the turntable (36). The valve plate (37) is concentrically fixed on the turntable (36). The turntable (36) and the valve plate (37) are both provided with an air inlet (41) that is misaligned with the third plug groove (43). The other end of the rotating cylinder (34) is axially movable and is provided with a third connecting rod (33) that moves synchronously with the gas delivery connector (6). When the air guide seat (7) moves to connect with the air supply connector (6), the third link (33) moves to the inside of the rotating drum (34) and drives the rotating drum (34) to rotate, so that the air inlet (41) rotates to the position connected with the third plug groove (43).

4. The mold release device as described in claim 3, characterized in that, The inner side of the rotating drum (34) is provided with a first groove (38) in the shape of a spiral and a second groove (39) extending axially. The first groove (38) and the second groove (39) are connected, and the first groove (38) is located between the second groove (39) and the gas connector (6). The outer wall of the third connecting rod (33) is provided with a protrusion (40) that can slide with the first groove (38) and the second groove (39).

5. The mold release device as described in claim 3, characterized in that, A synchronizing disc (32) is provided at the end of the third connecting rod (33) away from the rotating drum (34). A fourth connecting rod (46) is fixed between the synchronizing disc (32) and the gas supply connector (6). A connecting pipe (44) is axially provided on the side of the synchronizing disc (32) facing the first fixed disc (35). The air inlet end of the connecting pipe (44) extends into the third plug groove (43) and is fitted with a third plug ring (45) that is compatible with the third plug groove (43). An air outlet channel (47) is opened together on the inner side of the synchronizing disc (32), the fourth connecting rod (46) and the gas supply connector (6). The air inlet end of the air outlet channel (47) is connected to the air outlet end of the connecting pipe (44). The air outlet end of the air outlet channel (47) is located at the bottom end of the gas supply connector (6).

6. The ingot mold release device as described in claim 5, characterized in that, A first spring is provided between the synchronization disk (32) and the first fixed disk (35). When the air supply connector (6) is connected to the air guide seat (7), the first spring is in a compressed deformation state.

7. The mold release device as described in claim 1, characterized in that, The air guide seat (7) has a docking cone hole (8) that connects with the air supply connector (6). A sealing ring (11) is provided in the docking cone hole (8). The outer wall of the air guide seat (7) has a slope (10) that slides and presses against the air supply connector (6).

8. A mold release device as described in claim 7, characterized in that, The ejection mechanism includes a first ejection component and a second ejection component. After unsealing, the pressurized gas input into the mold (2) acts on the first ejection component, driving the push plate (12) to move outward and triggering the second ejection component, so that the pressurized gas is ejected outward from the air outlet (13).

9. A mold release device as described in claim 8, characterized in that, The first ejection assembly includes a timing plate (19) disposed inside the ingot mold (2) and moving in the same direction as the push plate (12). A second connecting rod (20) is fixed between the timing plate (19) and the push plate (12). A first connecting rod (18) parallel to the second connecting rod (20) is fixed on the side of the timing plate (19) away from the push plate (12). A first plug groove (16), a second air cavity (14), and a third air cavity (15) are provided inside the ingot mold (2). One end of the first connecting rod (18) is provided with a groove that is parallel to the first plug groove (16). The piston (17) is adapted to the first air chamber (9) with the air guide seat (7) having a first air chamber (9) connected to the air outlet of the docking cone hole (8) on the inner side. The air outlet of the first air chamber (9) is connected to the air inlet of the second air chamber (14). The air inlet of the third air chamber (15) is connected to one of the air outlets of the second air chamber (14). The air outlet of the third air chamber (15) is connected to the air inlet of the first plug groove (16). A second spring is sleeved on the outer side of the first connecting rod (18). The two ends of the second spring are respectively connected to the outer wall of the piston (17) and the groove wall of the first plug groove (16).

10. A mold release device as described in claim 9, characterized in that, The second ejection assembly includes multiple second fixed plates (21) fixed inside the ingot mold (2) and concentric with the corresponding second connecting rod (20). Each second fixed plate (21) is provided with an axially extending second plug groove (25), a radially extending air supply hole (24) and a circumferentially extending fourth air chamber (23). The air inlet end of the fourth air chamber (23) is connected to the second air chamber (14), the air inlet end of the air supply hole (24) is connected to the air outlet end of the fourth air chamber (23), and the air outlet end of the air supply hole (24) is connected to the air inlet end of the second plug groove (25). The second connecting rod (20) can move axially relative to the second fixed plate (21). The push plate (12) is axially fixed with a second conduit (27) that communicates with the air outlet (13) on the side close to the second fixed plate (21). The air inlet end of the second conduit (27) extends into the second plug groove (25) and is fitted with a second plug ring (26) that is compatible with the second plug groove (25). When the push plate (12) does not move, the second plug ring (26) can completely block the air outlet of the air supply hole (24). When the push plate (12) moves outward, the second conduit (27) drives the second plug ring (26) to move axially along the second plug groove (25), so that the second plug ring (26) moves away from the air outlet of the air supply hole (24). The air supply hole (24), the second plug groove (25) and the second conduit (27) are connected to guide the pressurized gas to the air outlet (13) on the push plate (12).

11. A mold release device as described in claim 10, characterized in that, The ingot mold (2) is provided with a first conduit (22), the air inlet of the first conduit (22) is connected to the other air outlet of the second air chamber (14), and the air outlet of the first conduit (22) is connected to the air inlet of the fourth air chamber (23) of one of the second fixed plates (21); a third conduit (30) is provided between the fourth air chambers (23) of two adjacent second fixed plates (21).

12. The ingot mold release device as described in claim 10, characterized in that, The push plate (12) has a fifth air chamber (28) and a sixth air chamber (29) on its inner side. The air inlet of the fifth air chamber (28) is connected to the air outlet of the second conduit (27), and the air outlet of the fifth air chamber (28) is connected to the air inlet of the sixth air chamber (29). The air inlet of the air outlet (13) is connected to the sixth air chamber (29).

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