Corrosion-resistant sealing ring with self-repairing function and continuous forming system

Abstract

This invention relates to the field of sealing rings and continuous molding systems, and proposes a corrosion-resistant sealing ring and continuous molding system with self-healing function. Its overall structure is simple and compact, consisting of a double-layer composite structure of an inner ring and an outer ring, allowing the inner ring to adapt to the internal working environment of the equipment and the outer ring to connect with the external working environment. This layered adaptability is stronger, and the corrosion protection effect is better. It can achieve automated continuous production and has excellent practicality and adaptability. It includes a rubber sealing ring body and an inner gas-generating ring embedded inside the rubber sealing ring body. The rubber sealing ring body and the inner gas-generating ring together form a fixed-volume annular sealed gas storage jacket. The inner gas-generating ring is a ring-shaped structure cold-pressed from a solid chemical slow-release composite material. The composite material is formulated by weight as follows: 60-70 parts kaolin, 15-20 parts diatomaceous earth, 10-20 parts ultrafine lightweight calcium carbonate, and 1-3 parts water-modifying agent.

Description

Technical Field

[0001] This invention relates to the field of sealing rings and continuous molding systems, specifically to a corrosion-resistant sealing ring with self-healing function and a continuous molding system. Background Technology

[0002] As is well known, a corrosion-resistant sealing ring with self-healing function is an auxiliary device made of modified corrosion-resistant rubber to resist corrosion and achieve sealing and seepage prevention of equipment joints. A continuous molding system is a continuous production equipment that is equipped with a corrosion-resistant sealing ring with self-healing function.

[0003] A search revealed that Chinese patent application number CN202223414677.9 discloses a corrosion-resistant sealing ring with self-healing function. It is roughly described as including a contact ring and a mounting ring. The mounting ring is sleeved on the shaft of a mechanical device, and an annular flange is fixedly provided on the outer wall of the mounting ring in the circumferential direction. The contact ring is sleeved on the outer wall of the annular flange, and an annular groove is formed on the outer wall of the contact ring in the circumferential direction. The annular flange is inserted into the annular groove. During use, this reduces wear between the equipment shaft and the contact ring, and prevents rust at the contact point, achieving a corrosion-resistant effect. Chinese patent application number CN202320855224.5 discloses a bidirectional... The O-ring forming mold is generally described as follows: it includes a mold body with a bidirectional O-ring forming cavity in the middle. A vibration demolding component is provided inside the bidirectional O-ring forming cavity, and a rapid cooling component is provided on the inner wall of the mold body. In use, the vibration demolding component is designed so that by pulling the top cover by hand, the lifting plate moves upward in the limiting groove. The vibration motor is started to drive the vibration plate to vibrate, so that the product can be effectively and quickly separated from the mold body under the action of vibration force and upward pulling force generated by the upward movement of the lifting plate. Then, the L-shaped lifting plate moves upward to pull and lift the formed product for demolding, which facilitates the vibration separation and lifting demolding of products that are stuck to the mold body.

[0004] While the existing technical solutions for corrosion-resistant sealing rings provide a rubber sealing ring, their structure contains multiple elastic components. The overall application relies on the sliding between the elastic components and the structure, making the structure relatively complex. The overall reliability of the function needs further improvement. For a bidirectional O-ring molding die, the technical solution is limited to the molding die for the sealing ring. How to match the die to form continuous production is still an urgent problem to be solved. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a corrosion-resistant sealing ring with self-healing function and a continuous molding system. Its overall structure is simple and compact, consisting of a double-layer composite structure of an inner ring and an outer ring, which allows the inner ring to adapt to the internal working environment of the equipment and the outer ring to interface with the external working environment. This results in stronger layered adaptability, better corrosion protection, and the ability to be adapted to a dedicated continuous molding system for automated continuous production. This leads to high production efficiency and excellent practicality and adaptability.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a corrosion-resistant sealing ring with self-healing function, comprising a rubber sealing ring body and an inner gas-generating ring embedded inside the rubber sealing ring body. The rubber sealing ring body and the inner gas-generating ring together form a fixed-volume annular sealed gas storage jacket. The inner gas-generating ring is a ring-shaped structure cold-pressed from a solid chemical slow-release composite material. The composite material is formulated in the following mass proportions: 60-70 parts kaolin, 15-20 parts diatomaceous earth, 10-20 parts ultrafine light calcium carbonate, and 1-3 parts water-crystallization modifier. The water-crystallization modifier is a potassium aluminum sulfate compounded with citric acid chelation modifier containing water of crystallization, with a particle size of 800-1000 mesh, and possesses room-temperature trace hydrolysis activation characteristics.

[0007] Preferably, the rubber sealing ring body is integrally pressed and sealed by an inner ring body and an outer ring body to achieve long-term storage of carbon dioxide gas.

[0008] A continuous forming system for a corrosion-resistant sealing ring with self-healing function includes a main frame, a support mounting platform fixedly connected within the main frame, an outer liner ring and an inner liner ring rotatably mounted on the support mounting platform, multiple outer molds fixedly connected within the outer liner ring, multiple inner embedding grooves provided on the outside of the inner liner ring, and an inner mold matching the outer mold installed in each of the multiple inner embedding grooves, a power assembly mounted under the support mounting platform for driving the rotation of the inner and outer liner rings, and a top mounting frame mounted at the top of the main frame, within which a rotating fabric structure is rotatably mounted.

[0009] Preferably, the support mounting platform has a sliding opening, a movable frame is slidably connected in the sliding opening, a rotating shaft and a rotating ring are rotatably connected to the movable frame and the support mounting platform respectively, the inner lining ring and the outer lining ring are fixedly connected to the rotating shaft and the rotating ring respectively, and an electric telescopic rod is installed at the bottom of the support mounting platform, the telescopic rod of the electric telescopic rod is fixedly connected to the movable frame.

[0010] Preferably, a fixed frame is fixedly connected inside the embedded groove, a rotating frame is rotatably connected inside the fixed frame, the inner mold is fixedly connected inside the rotating frame, and an elastic spring is fixedly connected to the rotating frame, the elastic spring being fixedly connected to the fixed frame.

[0011] Preferably, the power assembly includes a first servo motor and a second servo motor, which are respectively installed under the support mounting platform and under the movable frame. A drive gear is installed on the servo shaft of the first servo motor, and the drive gear is meshed with a transmission gear ring. The transmission gear ring is fixedly connected to the outer bushing ring, and the servo shaft of the second servo motor is connected to the rotating shaft.

[0012] Preferably, the fabric structure includes a rotating disk and a third servo motor. The rotating disk is rotatably connected inside the top mounting frame, and the third servo motor is mounted on the top mounting frame. The third servo motor is used to drive the rotation of the rotating disk. The rotating disk has multiple vertical holes, and each of the multiple vertical holes has a lifting frame slidably connected to it. The bottom ends of the multiple lifting frames are detachably fitted with clamping components. A progressive track plate is fixedly connected to the top mounting frame. The progressive track plate is made of ferrous material that can be attracted by magnets. The top ends of the multiple lifting frames are embedded with permanent magnets, and the multiple permanent magnets are matched with the progressive track plate.

[0013] Preferably, the clamping assembly includes a clamping frame, with an iron track bar fixedly connected to the top of the clamping frame, and a track groove provided at the bottom of the lifting frame. The track groove matches the track bar, and a permanent magnet block matching the track bar is provided in the track groove. A first clamping frame and a second clamping frame are rotatably connected to the clamping frame. A first clamping spring is fixedly connected between the first clamping frame and the clamping frame, and a second clamping spring is fixedly connected between the second clamping frame and the clamping frame.

[0014] Preferably, the clamping plate frame has an installation groove, and an installation bracket is fixedly connected to the installation groove by fixing bolts. The first clamping spring and the second clamping spring are both fixedly connected to the bottom end of the installation bracket. The bottom end of the first clamping spring and the second clamping spring are both fixedly connected to a stepped shaft. The first clamping bracket and the second clamping bracket have assembly holes. The two stepped shafts are respectively inserted into the two assembly holes. The first clamping bracket and the second clamping bracket are both equipped with clamping bolts. The two clamping bolts respectively clamp the two stepped shafts.

[0015] Preferably, the main frame is provided with a material dropping ramp, the support mounting platform is provided with a material dropping hole, and the top mounting frame is provided with a material loading port.

[0016] Compared with the prior art, the present invention provides a corrosion-resistant sealing ring with self-healing function and a continuous molding system, which has the following beneficial effects: (1) In this invention, the double-layer split structure design of the inner ring and the outer ring allows the inner ring to adapt to the internal environment of the equipment and the outer ring to connect with complex external working conditions, effectively improving the overall corrosion resistance and environmental adaptability of the sealing ring. At the same time, this structure can rely on the wear of the sealing ring itself to achieve slow-release filling of internal gas, and use wear loss to complete the active compensation of the sealing gap, effectively making up for the sealing wear defects and ensuring the sealing performance for a long time.

[0017] (2) In this invention, the design of a continuous molding system for a corrosion-resistant sealing ring with self-healing function can be adapted to the structural characteristics of the corrosion-resistant sealing ring with self-healing function to achieve automated and continuous mass production, effectively simplifying the production process, greatly improving product production efficiency and production consistency, effectively solving the problems of intermittent production and low production capacity of traditional sealing rings, and making the overall practicality and industrial application value higher. Attached Figure Description

[0018] Figure 1 This is a partial cross-sectional three-dimensional structural schematic diagram of the corrosion-resistant sealing ring with self-healing function of the present invention; Figure 2 This is a three-dimensional structural schematic diagram of the continuous molding system for a corrosion-resistant sealing ring with self-healing function according to the present invention. Figure 3 For the present invention Figure 2 A magnified schematic diagram of the local structure at point A; Figure 4 This is a three-dimensional structural diagram of the main frame, supporting mounting platform, and outer liner ring of the present invention. Figure 5 This is a three-dimensional structural diagram showing the assembly of the top mounting frame, rotating disk, and third servo motor of the present invention. Figure 6 This is a three-dimensional structural diagram showing the combined arrangement of the second clamping frame, the first clamping spring, and the second clamping spring of the present invention. Figure 7 This is a three-dimensional structural diagram of the outer liner ring, inner liner ring, and outer mold of the present invention. Figure 8 This is a three-dimensional structural diagram showing the assembly of the inner lining ring, the fixed frame, and the rotating frame of the present invention. Figure 9 This is a three-dimensional structural diagram of the invention viewed from below. Figure 10 This is a three-dimensional structural diagram of the supporting mounting platform, movable frame, and electric telescopic rod of the present invention, viewed from below. Figure 11 This is a bottom-view three-dimensional structural diagram of the rotating disk, lifting frame, and clamping plate frame of the present invention. Figure 12This is a three-dimensional structural diagram showing the combination of the fixed frame, rotating frame, and elastic spring of the present invention. Figure 13 This is a three-dimensional structural diagram of the entire invention from another angle; Figure 14 This is a three-dimensional structural diagram of the supporting mounting platform, inner lining ring, and rotating ring of the present invention. Figure 15 This is a schematic diagram showing the clamping states of the clamping plate frame, the first clamping frame, and the second clamping frame of the present invention for the corresponding clamping states of the gas generating ring of the inner lining and the raw materials for preparing the inner and outer rings.

[0019] In the diagram: 1. Rubber sealing ring body; 2. Inner gas-generating ring; 3. Inner ring body; 4. Outer ring body; 5. Main frame; 6. Support mounting platform; 7. Outer liner ring; 8. Inner liner ring; 9. Outer mold; 10. Inner embedding groove; 11. Inner mold; 12. Top mounting bracket; 13. Sliding port; 14. Moving frame; 15. Rotating shaft; 16. Rotating ring; 17. Electric telescopic rod; 18. Fixed frame; 19. Rotating frame; 20. Elastic spring; 21. First servo motor; 22. Second... 23. Servo motor; 24. Drive gear; 25. Transmission gear ring; 26. Rotary disk; 27. Third servo motor; 28. Vertical hole; 29. ​​Lifting frame; 30. Progressive track plate; 31. Permanent magnet; 32. Clamping frame; 33. Track bar; 34. Permanent magnet block; 35. First clamping frame; 36. Second clamping frame; 37. Second clamping spring; 38. Mounting frame; 39. Stepped shaft; 40. Material dropping inclined plate; 41. Material dropping hole; 42. Loading port. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] For examples, please refer to Figures 1-15A corrosion-resistant sealing ring with self-healing function includes a rubber sealing ring body 1 and an inner gas-generating ring 2 embedded inside the rubber sealing ring body 1. The rubber sealing ring body 1 and the inner gas-generating ring 2 together form a fixed-volume annular sealed gas storage jacket. The inner gas-generating ring 2 is a ring-shaped structure cold-pressed from a solid chemical slow-release composite material. The composite material is formulated by weight as follows: 60-70 parts kaolin, 15-20 parts diatomaceous earth, 10-20 parts ultrafine light calcium carbonate, and 1-3 parts water-crystallization modifier. The water-crystallization modifier is a potassium aluminum sulfate compounded with citric acid chelate modifier containing water of crystallization, and by weight, it includes dodecyl... The compound contains 75-85 parts hydrated potassium aluminum sulfate, 10-20 parts citric acid monohydrate, and 1-5 parts fumed silica, with a particle size of 800-1000 mesh. It possesses room-temperature trace hydrolysis activation characteristics. Utilizing the room-temperature slow-release activation characteristics of the water-crystallization modifier, it achieves low-temperature trace gas generation. Under the micro-humidity environment of the sealed interlayer, the water-crystallization modifier slowly releases water of crystallization and undergoes a weak hydrolysis reaction, generating a trace amount of weakly acidic activation medium. This continuously and gently activates the ultrafine lightweight calcium carbonate, promoting a slow-release reaction that generates carbon dioxide gas. This achieves a trace, stable, and controllable gas generation compensation effect throughout the sealing ring's lifespan. By adjusting the ultrafine lightweight carbon in the composite material... The proportion of calcium carbonate, controlling the porosity of the porous carrier formed by the kaolin and diatomaceous earth compound, and the cold-pressed compaction density of the gas-generating ring in the lining, can regulate the carbon dioxide gas generation rate and the long-term service life of the sealing ring. Specifically, a higher proportion of calcium carbonate results in more abundant raw material reserves, a longer long-term gas generation cycle, greater porosity of the porous carrier, higher permeability of trace moisture in the interlayer, higher activation efficiency of the additives, and a faster gas generation rate. A higher cold-pressed compaction density of the gas-generating ring in the lining leads to a denser pore structure of the carrier, slower moisture permeation, a lower gas generation rate, and a longer gas generation cycle. This allows for precise matching of different long-term sealing conditions such as 3, 5, 8, or even 10 years, and can also control the annual pressure increase rate of the interlayer. The pressure is stably controlled between 0.01MPa and 0.05MPa to avoid localized bulging failure of the rubber due to overpressure. The rubber sealing ring body 1 is integrally pressed and sealed by an inner ring 3 and an outer ring 4 to achieve long-term lock-in of carbon dioxide gas. Through the double-layer split structure design of the inner ring 3 and the outer ring 4, the inner ring 3 is adapted to the internal environment of the equipment, and the outer ring 4 is connected to complex external working conditions, effectively improving the overall corrosion resistance and environmental adaptability of the sealing ring. At the same time, this structure can rely on the wear of the sealing ring itself to achieve slow-release filling of internal gas, and use wear loss to complete the active compensation of the sealing gap, effectively making up for sealing wear defects and ensuring long-term sealing performance.

[0022] A continuous molding system for a corrosion-resistant sealing ring with self-healing function includes a main frame 5, a support mounting platform 6 fixedly connected inside the main frame 5, an outer liner ring 7 and an inner liner ring 8 rotatably mounted on the support mounting platform 6, a sliding opening 13 on the support mounting platform 6, a movable frame 14 slidably connected inside the sliding opening 13, a rotating shaft 15 and a rotating ring 16 rotatably connected to the movable frame 14 and the support mounting platform 6 respectively, the inner liner ring 8 and the outer liner ring 7 being fixedly connected to the rotating shaft 15 and the rotating ring 16 respectively, and an electric telescopic rod 17 being installed at the bottom end of the support mounting platform 6, the telescopic rod of the electric telescopic rod 17 being fixedly connected to the movable frame 14.

[0023] Multiple outer molds 9 are fixedly connected inside the outer liner ring 7. Multiple inner embedding grooves 10 are provided on the outside of the inner liner ring 8. Each inner embedding groove 10 contains an inner mold 11 that matches the outer mold 9. A fixed frame 18 is fixedly connected inside the inner embedding groove 10. A rotating frame 19 is rotatably connected inside the fixed frame 18. The inner mold 11 is fixedly connected inside the rotating frame 19. An elastic spring 20 is fixedly connected to the rotating frame 19 and is fixedly connected to the fixed frame 18. A power assembly is installed under the support mounting platform 6. The power assembly includes a first servo motor 21 and a second servo motor 22. The first servo motor 21 and the second servo motor 22 are respectively installed under the support mounting platform 6 and under the moving frame 14. A drive gear 23 is mounted on the servo axis of the machine 21. The drive gear 23 meshes with and drives a transmission gear ring 24. The transmission gear ring 24 is fixedly connected to the outer liner ring 7. The servo axis of the second servo motor 22 is connected to the rotating shaft 15. The power component is used to drive the rotation of the inner liner ring 8 and the outer liner ring 7. Through the design of a continuous molding system for a self-healing corrosion-resistant sealing ring, the system can adapt to the structural characteristics of the self-healing corrosion-resistant sealing ring to achieve automated and continuous mass production. This effectively simplifies the production process, significantly improves product production efficiency and consistency, and effectively solves the problems of intermittent production and low production capacity of traditional sealing rings. The overall practicality and industrial application value are higher.

[0024] It should be further explained that a top mounting frame 12 is installed at the top of the main frame 5. A rotating fabric structure is rotatably installed inside the top mounting frame 12. The fabric structure includes a rotating disk 25 and a third servo motor 26. The rotating disk 25 is rotatably connected inside the top mounting frame 12, and the third servo motor 26 is mounted on the top mounting frame 12. The third servo motor 26 is used to drive the rotation of the rotating disk 25. The rotating disk 25 has multiple vertical holes 27, and each of the multiple vertical holes 27 has a sliding lifting frame 28. Each of the lifting frames 28 has a detachable clamping assembly at its bottom. A progressive track plate 29 is fixedly connected to the top mounting frame 12. The progressive track plate 29 is made of magnetically attractive iron. Permanent magnets 30 are embedded in the tops of each of the lifting frames 28, and each permanent magnet 30 matches the progressive track plate 29. The clamping assembly includes a clamping frame 31, with an iron track bar 32 fixedly connected to its top. A track groove is provided at the bottom of the lifting frame 28, matching the track bar 32. A [missing information - likely a component or element] is provided within the track groove. A permanent magnet block 33, matched with the track bar 32, is rotatably connected to a first clamping frame 34 and a second clamping frame 35 on a clamping plate frame 31. A first clamping spring 36 is fixedly connected between the first clamping frame 34 and the clamping plate frame 31, and a second clamping spring 37 is fixedly connected between the second clamping frame 35 and the clamping plate frame 31. A mounting groove is provided on the clamping plate frame 31, and a mounting frame 38 is fixedly connected to the mounting groove by fixing bolts. Both the first clamping spring 36 and the second clamping spring 37 are fixedly connected to the bottom end of the mounting frame 38. The bottom ends of the clamping spring 36 and the second clamping spring 37 are both fixedly connected to stepped shafts 39. The first clamping frame 34 and the second clamping frame 35 are both provided with assembly holes. The two stepped shafts 39 are respectively inserted into the two assembly holes. The first clamping frame 34 and the second clamping frame 35 are both equipped with clamping bolts. The two clamping bolts respectively form a clamping operation on the two stepped shafts 39. The main frame 5 is provided with a material dropping inclined plate 40. The support mounting platform 6 is provided with a material dropping hole 41. The top mounting frame 12 is provided with a material loading port 42.

[0025] In this embodiment, the electric telescopic rod 17, the first servo motor 21, the second servo motor 22, and the third servo motor 26 are all commercially available conventional devices known to those skilled in the art. In this invention, we are simply using them without making any improvements to their structure or function. Their setting method, installation method, and electrical connection method can be easily explained by those skilled in the art by following the instructions for use. Therefore, we will not elaborate on them here.

[0026] In summary, the working process of this continuous molding system for a self-healing corrosion-resistant sealing ring is as follows: First, based on the actual working environment of the sealing ring, suitable raw materials for the preparation of the inner ring body 3 and the outer ring body 4 are selected. Utilizing the different corrosion resistance, temperature resistance, and wear resistance properties between the inner ring body 3 and the outer ring body 4, they are adapted to the internal and external sealing conditions of the application environment. After material selection, the two types of rubber raw materials are pre-pressed and cut into small, regular pieces suitable for the mold specifications. After the raw material pretreatment is completed, the pre-fabricated inner lining gas-generating ring 2 is placed on the inner ring body. Between the three small pieces of material and the four small pieces of material in the outer ring, only the inner gas-generating ring 2 needs to be pre-fitted and fixed with one of the small pieces of material to complete the initial positioning and assembly. This can effectively avoid problems such as the inner gas-generating ring 2 shifting, misaligning or falling off during the subsequent molding process. Then, using the clamping frame 31 as the supporting base, the first clamping frame 34, in conjunction with the elastic pressing action of the first clamping spring 36, works in tandem with the clamping frame 31 to complete the stable clamping of the small pieces of material with the inner gas-generating ring 2. Similarly, the second clamping frame 35, in conjunction with the elastic support and pressing action of the second clamping spring 37, works in conjunction with the clamping frame 31 to complete the corresponding clamping of another set of small pieces of material.

[0027] During the molding process, the clamping assembly, which includes the inner gas-generating ring 2 and two small pieces of material, is first loaded through the loading port 42 at the top of the top mounting frame 12. The assembly is then secured by the alignment and engagement of the track bar 32 with the track groove, and by the magnetic attraction of the permanent magnet block 33. This completes the quick and detachable assembly of the clamping assembly. The third servo motor 26 drives the rotating disk 25 in a circular stepping motion, causing multiple lifting frames 28 to synchronously follow the circular motion. This allows the entire assembly, consisting of the inner gas-generating ring 2 and the two small pieces of material, to rotate between the inner lining ring 8 and the outer lining ring 7. Since the lifting frame 28 can slide up and down along its vertical hole 27, and gradually pushes the track... Plate 29 and permanent magnet 30 form a magnetic attraction. Therefore, during the synchronous revolution and circulation of multiple lifting frames 28 driven by rotating disk 25, the progressive track plate 29 can autonomously drive the lifting frames 28 along the vertical hole 27 to complete periodic lifting and lowering actions with the help of magnetic attraction. This, in turn, drives the clamping components at the bottom and the clamped material group to complete the cycle of falling feeding and rising loading. Among them, falling feeding ensures that the height position of the material group is adapted to the inner mold 11 and the outer mold 9, meeting the operation requirements of the forming station. Rising loading can realize the separation and unloading of the material group from the inner mold 11 and the outer mold 9, and also facilitates the cleaning of equipment tail material and the reloading of the next material group, ensuring production. In a continuous process, after the material is fed into the molding station, the first servo motor 21 drives the drive gear 23 to rotate via the servo shaft. Based on the gear meshing transmission principle, this drives the matching transmission gear ring 24 to rotate synchronously, ultimately achieving the overall circumferential rotation of the outer liner ring 7 and the multiple fixed outer molds 9. The second servo motor 22 drives the rotating shaft 15 to rotate, which in turn drives the inner liner ring 8 to rotate synchronously, achieving the synchronous rotation of the multiple inner molds 11 outside the inner liner ring 8. Because the inner liner ring 8 and the outer liner ring 7 are eccentrically positioned, the inner molds 11 and the outer molds 9 periodically complete the mold closing and opening actions as they rotate, thus achieving continuous molding operations. During the rotation of the inner liner ring 8, the inner mold 11 is fixed inside the rotating frame 19. The rotating frame 19 can rotate and swing slightly inside the fixed frame 18, which ensures that the inner mold 11 and the outer mold 9 fit tightly and avoids rigid interference between the inner mold 11 and the outer mold 9 during the mold closing process. During the mold rotation separation demolding stage, after the sealing ring is pressed and demolded, the molded product rotates with the mold to the unloading station. Under its own gravity, it falls out from the mold gap, passes through the unloading hole 41 and falls to the unloading inclined plate 40. Through the inclined guiding action of the unloading inclined plate 40, it is sent out of the main frame 5. This process is repeated to realize the automated continuous production of corrosion-resistant sealing rings with self-healing function.

[0028] This corrosion-resistant sealing ring with self-healing function, under normal sealing conditions during actual use, forms a structure where the inner ring 3 and outer ring 4 lock in trace amounts of carbon dioxide gas. The inner ring 3 adapts to the internal media conditions of the equipment, effectively blocking media penetration and erosion, while the outer ring 4 resists external environmental corrosion. This dual-layer structure provides differentiated protection, reducing the rate of corrosion and wear of the sealing ring from the source. Over time, the inner ring 3 and outer ring 4 will gradually be corroded or worn away. Simultaneously, the porous composite carrier structure of the inner gas-generating ring 2 triggers a slow-release reaction of carbonate components, continuously generating trace amounts of carbon dioxide gas and replenishing the annular sealed gas storage jacket, thus maintaining the internal pressure of the jacket. With a slight increase, the controllable rise in air pressure within the interlayer will act evenly on the inner wall surfaces of the inner ring 3 and the outer ring 4, pushing the inner ring 3 and the outer ring 4 to expand outward slightly, filling the resulting sealing gap and offsetting the potential sealing failure caused by material corrosion and wear. At the same time, the chemically released gas production rate of the inner lining gas-producing ring 2 can be controlled by adjusting the composite material ratio and cold-pressed compaction density, which can adapt to the long-term sealing requirements of different cycles such as 3 years, 5 years, 8 years or 10 years, achieving graded long-term compensation throughout the sealing ring's life cycle. Moreover, the annual pressure rise rate of the interlayer can be stably controlled at 0.01~0.05MPa, avoiding problems such as excessive rubber swelling and cracking failure caused by instantaneous overpressure.

[0029] The following table contains test data on the carbon dioxide generation cycle and mixing ratio of the corrosion-resistant sealing ring:

[0030] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A corrosion-resistant sealing ring with self-healing function, comprising a rubber sealing ring body (1), characterized in that, It also includes an inner gas-generating ring (2) embedded inside the rubber sealing ring body (1). The rubber sealing ring body (1) and the inner gas-generating ring (2) together form a ring-shaped gas storage jacket with a fixed volume. The inner gas-generating ring (2) is a ring-shaped structure formed by cold pressing of solid chemical slow-release composite material. The composite material is formulated by mass fraction as follows: 60-70 parts of kaolin, 15-20 parts of diatomaceous earth, 10-20 parts of ultrafine light calcium carbonate, and 1-3 parts of water-crystallization modifier. The water-crystallization modifier is a potassium aluminum sulfate compound citric acid chelate modifier containing water of crystallization, with a particle size of 800-1000 mesh, and has the characteristic of room temperature trace hydrolysis activation.

2. The corrosion-resistant sealing ring with self-healing function according to claim 1, characterized in that, The rubber sealing ring body (1) is integrally pressed and sealed by the inner ring body (3) and the outer ring body (4) to achieve long-term storage of carbon dioxide gas.

3. A continuous molding system for a corrosion-resistant sealing ring with self-healing function, characterized in that, The corrosion-resistant sealing ring with self-healing function as described in any one of claims 1-2 includes a main frame (5), a support mounting platform (6) fixedly connected inside the main frame (5), an outer liner ring (7) and an inner liner ring (8) rotatably mounted on the support mounting platform (6), a plurality of outer molds (9) fixedly connected inside the outer liner ring (7), a plurality of inner embedding grooves (10) provided outside the inner liner ring (8), an inner mold (11) matching the outer mold (9) installed in each of the plurality of inner embedding grooves (10), a power assembly installed under the support mounting platform (6), the power assembly being used for rotating the inner liner ring (8) and the outer liner ring (7), a top mounting frame (12) installed at the top of the main frame (5), and a rotating fabric structure rotatably mounted inside the top mounting frame (12).

4. A continuous molding system for a corrosion-resistant sealing ring with self-healing function according to claim 3, characterized in that, The support mounting platform (6) has a sliding opening (13), and a movable frame (14) is slidably connected in the sliding opening (13). A rotating shaft (15) and a rotating ring (16) are rotatably connected to the movable frame (14) and the support mounting platform (6), respectively. The inner lining ring (8) and the outer lining ring (7) are fixedly connected to the rotating shaft (15) and the rotating ring (16), respectively. An electric telescopic rod (17) is installed at the bottom of the support mounting platform (6), and the telescopic rod of the electric telescopic rod (17) is fixedly connected to the movable frame (14).

5. A continuous molding system for a corrosion-resistant sealing ring with self-healing function according to claim 4, characterized in that, A fixed frame (18) is fixedly connected inside the inner embedded groove (10), and a rotating frame (19) is rotatably connected inside the fixed frame (18). The inner mold (11) is fixedly connected inside the rotating frame (19), and an elastic spring (20) is fixedly connected to the rotating frame (19). The elastic spring (20) is fixedly connected to the fixed frame (18).

6. A continuous molding system for a corrosion-resistant sealing ring with self-healing function according to claim 5, characterized in that, The power assembly includes a first servo motor (21) and a second servo motor (22). The first servo motor (21) and the second servo motor (22) are respectively installed under the support mounting platform (6) and under the moving frame (14). A drive gear (23) is installed on the servo shaft of the first servo motor (21). The drive gear (23) is meshed with a transmission gear ring (24). The transmission gear ring (24) is fixedly connected to the outer liner ring (7). The servo shaft of the second servo motor (22) is connected to the rotating shaft (15).

7. A continuous molding system for a corrosion-resistant sealing ring with self-healing function according to claim 6, characterized in that, The fabric structure includes a rotating disk (25) and a third servo motor (26). The rotating disk (25) is rotatably connected to the top mounting frame (12). The third servo motor (26) is mounted on the top mounting frame (12) and is used to drive the rotation of the rotating disk (25). The rotating disk (25) has multiple vertical holes (27). Each of the multiple vertical holes (27) is slidably connected to a lifting frame (28). The bottom of each of the multiple lifting frames (28) can be detachably installed with a clamping assembly. A progressive track plate (29) is fixedly connected to the top mounting frame (12). The progressive track plate (29) is made of iron material that can be attracted by magnetism. The top of each of the multiple lifting frames (28) is embedded with a permanent magnet (30). Each of the multiple permanent magnets (30) matches the progressive track plate (29).

8. A continuous molding system for a corrosion-resistant sealing ring with self-healing function according to claim 7, characterized in that, The clamping assembly includes a clamping frame (31), with an iron rail bar (32) fixedly connected to the top of the clamping frame (31). The bottom of the lifting frame (28) is provided with a rail groove, which matches the rail bar (32). A permanent magnet block (33) matching the rail bar (32) is provided in the rail groove. A first clamping frame (34) and a second clamping frame (35) are rotatably connected to the clamping frame (31). A first clamping spring (36) is fixedly connected between the first clamping frame (34) and the clamping frame (31), and a second clamping spring (37) is fixedly connected between the second clamping frame (35) and the clamping frame (31).

9. A continuous molding system for a corrosion-resistant sealing ring with self-healing function according to claim 8, characterized in that, The clamping frame (31) has an installation groove, and the mounting frame (38) is fixedly connected in the installation groove by fixing bolts. The first clamping spring (36) and the second clamping spring (37) are both fixedly connected to the bottom end of the mounting frame (38). The bottom ends of the first clamping spring (36) and the second clamping spring (37) are both fixedly connected to stepped shafts (39). The first clamping frame (34) and the second clamping frame (35) are both provided with assembly holes. The two stepped shafts (39) are respectively inserted into the two assembly holes. The first clamping frame (34) and the second clamping frame (35) are both equipped with clamping bolts. The two clamping bolts respectively clamp the two stepped shafts (39).

10. A continuous molding system for a corrosion-resistant sealing ring with self-healing function according to claim 9, characterized in that, The main frame (5) is provided with a material dropping slope (40), the support mounting platform (6) is provided with a material dropping hole (41), and the top mounting frame (12) is provided with a material loading port (42).

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