Rubber sealing ring processing and forming equipment and forming method

Abstract

The invention relates to the technical field of sealing ring injection molding equipment, and provides rubber sealing ring machining and forming equipment and a forming method. The first mold is arranged on the injection molding machine body; the second mold is arranged on the injection molding machine body in a sliding manner, and the second mold is positioned below the first mold; the liquid inlet pipe is arranged on the first mold in a sliding mode, the first mold, the second mold and the liquid inlet pipe form a forming space, the liquid inlet pipe is provided with an inlet and an outlet, and after the liquid inlet pipe slides, the outlet is communicated with the forming space or is not communicated with the forming space. By means of the technical scheme, the problem that in the prior art, after injection molding, the sealing ring needs to be cleaned, and the forming efficiency is affected is solved.

Description

Technical Field

[0001] The invention relates to the technical field of sealing ring injection molding equipment, and in particular to a rubber sealing ring processing and molding equipment and a molding method. Background Art

[0002] Rubber sealing rings have good sealing properties and can prevent leakage of media such as gas and liquid. It is widely used in machinery, automobiles, aerospace, chemical industry, petroleum and other fields to ensure the normal operation of equipment and systems. The manufacture of rubber sealing rings adopts the injection molding process. The operation steps are to melt the rubber raw materials first, inject the raw materials into the mold to form, so as to mass-produce molded products of various shapes in a short time. The raw materials need to enter the molding mold through the gate. After molding, there are often flash or protrusions at the gate. After the molding is completed, it is necessary to repair or polish the process, or set an extra lip molding cavity in the mold. After the molding is completed, the extra lip is cut off to ensure the molding quality of the sealing ring. The above-mentioned injection molding process also requires a cleaning process after molding, which not only affects the efficiency of the sealing ring molding, but also increases the production cost of the sealing ring. Summary of the invention

[0003] The present invention provides a rubber sealing ring processing and molding device and a molding method, which solves the problem in the related art that the sealing ring needs to be cleaned up after injection molding, which affects the molding efficiency.

[0004] The technical solution of the present invention is as follows: A rubber sealing ring processing and molding device, comprising: Injection molding machine body; A first mold, wherein the first mold is arranged on the injection molding machine body; a second mold, the second mold being slidably disposed on the injection molding machine body, and the second mold being located below the first mold; A liquid inlet pipe is slidably arranged on the first mold; the first mold, the second mold and the liquid inlet pipe constitute a molding space; the liquid inlet pipe has an inlet and an outlet; after the liquid inlet pipe slides, the outlet is connected to or disconnected from the molding space.

[0005] Optionally, the first mold has a liquid storage cavity, the inlet is connected to the liquid storage cavity, and further comprises: A liquid-conducting cylinder, the liquid-conducting cylinder is located in the liquid-storing cavity and is in communication with the liquid-storing cavity; A cover plate is arranged on the first mold and is used to close the liquid storage cavity. One end of the liquid guide tube passes through the cover plate and is located outside the cover plate.

[0006] Optionally, the liquid storage chamber and the liquid guiding tube are both cylindrical and concentrically distributed, and there are multiple liquid inlet tubes, which are distributed at intervals about the circumference of the liquid guiding tube.

[0007] Optionally, it also includes: A connecting column, one end of which is arranged on the liquid inlet pipe; A first elastic member, two ends of which act on the cover plate and the connecting column respectively, and are used to provide a force for the connecting column to approach the liquid-guiding cylinder; A limiting wheel is rotatably arranged on the liquid guiding cylinder, and a side wall of the limiting wheel has crests and troughs. After the limiting wheel rotates, the connecting column abuts against the crests and the troughs alternately.

[0008] Optionally, it also includes: A top plate is arranged at one end of the first elastic member close to the connecting column, the first elastic member acts on the connecting column through the top plate, and the top plate is arc-shaped.

[0009] Optionally, the second mold comprises: An intermediate mold, one end of which is used to abut against the first mold; A lower mold is abutted against the other end of the intermediate mold and the middle part of the first mold.

[0010] Optionally, the lower end of the first mold has an annular groove, the lower mold has a limiting protrusion, and the annular groove is used to abut against the limiting protrusion.

[0011] Optionally, the intermediate mold has a temporary storage cavity at one end close to the first mold, and the bottom of the temporary storage cavity has a first guide surface and a plurality of second guide surfaces, and the second guide surface includes: A guide plane and a guide slope, wherein two ends of the guide slope are respectively connected to the guide plane and the guide slope, and after the liquid inlet pipe slides into the temporary storage cavity, it abuts against the guide plane or is located above the guide slope.

[0012] Optionally, the lower mold has an air inlet and a guide channel, the guide channel is used to communicate with the molding space, and further includes: A mold core is slidably arranged in the guide channel. After the mold core slides away from the middle mold, the air inlet is connected with the molding space through the guide channel.

[0013] A rubber sealing ring processing and molding method uses a rubber sealing ring processing and molding equipment.

[0014] The working principle and beneficial effects of the present invention are: In the present invention, in order to solve the problem in the related art that the sealing ring needs to be cleaned after injection molding, which affects the molding efficiency, a liquid inlet pipe is provided on the first mold, and the switching between the injection and molding processes is realized by sliding the liquid inlet pipe. When the outlet of the liquid inlet pipe is not connected to the feed port, the liquid inlet pipe, as a part of the molding mold, forms a molding space together with the first mold and the second mold to maintain the integrity of the molding space, thereby improving the molding quality of the sealing ring, reducing subsequent cleaning work, and further improving the molding efficiency of the sealing ring.

[0015] The working principle of the present invention is that the injection molding machine body serves as the basic frame of the equipment, the first mold is fixedly arranged on the injection molding machine body, and the second mold can slide on the injection molding machine body and is located below the first mold. The liquid inlet pipe can be slidably installed on the first mold. When the liquid inlet pipe slides to a certain position, its outlet is connected to the molding space composed of the first mold, the second mold and the liquid inlet pipe, and the rubber raw material can be injected into the molding space through the liquid inlet pipe; when the liquid inlet pipe slides in the opposite direction, the outlet is disconnected from the molding space and the injection of raw materials is stopped. The switching of the two processes of injection and molding is carried out by sliding the liquid inlet pipe. After the liquid inlet pipe and the molding space are disconnected, it plays the role of a sealing ring molding mold. At this time, the outlet is no longer in contact with the molding space, so that the injection molded sealing ring will not have flash or protrusions at the gate position, and the quality of the molded sealing ring is better, reducing the subsequent cleaning work. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The preferred implementation modes will be described below in a clear and understandable manner with reference to the accompanying drawings to further illustrate the above-mentioned characteristics, technical features, advantages and implementation methods of the present invention.

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the local structure of the present invention; Figure 3 For the present invention Figure 2 The enlarged structural diagram at A in the middle; Figure 4 It is a schematic diagram of a local structure from another angle of the present invention; Figure 5 For the present invention Figure 4 The enlarged structural diagram at B in the middle; Figure 6 This is a schematic diagram of the structure of the first mold and the second mold of the present invention.

[0018] In the figure: 1. injection molding machine body, 2. first mold, 3. second mold, 4. liquid inlet pipe, 11. molding space, 41. inlet, 42. outlet, 21. liquid storage cavity, 5. liquid guide cylinder, 61. cover plate, 62. connecting column, 63. first elastic member, 64. limiting wheel, 641. crest, 642. trough, 65. top plate, 31. middle mold, 32. lower mold, 22. annular groove, 321. limiting protrusion, 311. temporary storage cavity, 312. first guide surface, 313. second guide surface, 3131. guide plane, 3132. guide slope, 322. air inlet, 323. guide channel, 324. core. DETAILED DESCRIPTION

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the specific implementation methods of the present invention will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.

[0020] In order to simplify the drawings, only the parts related to the invention are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically shown, or only one of them is marked. In this article, "one" not only means "only one", but also means "more than one", and "several" includes "two" and "more than two".

[0021] In this document, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0023] Reference Figure 1 to Figure 6, which is the first embodiment of the present invention, proposes a rubber sealing ring processing and molding equipment, including an injection molding machine body 1; a first mold 2 is arranged on the injection molding machine body 1; a second mold 3 is slidably arranged on the injection molding machine body 1, and the second mold 3 is located below the first mold 2; a liquid inlet pipe 4 is slidably arranged on the first mold 2, the first mold 2, the second mold 3 and the liquid inlet pipe 4 form a molding space 11, the liquid inlet pipe 4 has an inlet 41 and an outlet 42, after the liquid inlet pipe 4 slides, the outlet 42 is connected with the molding space 11 or cancels the connection.

[0024] In this embodiment, the injection molding machine body 1 serves as the basic frame of the equipment, the first mold 2 is fixedly arranged on the injection molding machine body 1, and the second mold 3 can slide on the injection molding machine body 1 and is located below the first mold 2. The liquid inlet pipe 4 is slidably mounted on the first mold 2. When the liquid inlet pipe 4 slides to a certain position, its outlet 42 is connected to the molding space 11 composed of the first mold 2, the second mold 3 and the liquid inlet pipe 4, and the rubber raw material can be injected into the molding space 11 through the liquid inlet pipe 4; when the liquid inlet pipe 4 slides in the opposite direction, the outlet 42 is disconnected from the molding space 11 and the injection of raw materials is stopped. The switching of the two processes of injection and molding is performed by sliding the liquid inlet pipe 4. After the liquid inlet pipe 4 is disconnected from the molding space 11, it itself acts as a sealing ring molding mold. At this time, the outlet 42 is no longer in contact with the molding space 11, so that the injection molded sealing ring will not have flash or protrusions at the gate position, and the quality of the molded sealing ring is better, reducing the subsequent cleaning work. By controlling the injection of raw materials into the molding space 11 through the sliding of the liquid inlet pipe 4, the injection timing and injection amount of the raw materials can be accurately controlled, thereby improving the precision and quality of the rubber sealing ring molding. At the same time, the design of the slidable liquid inlet pipe 4 increases the flexibility and controllability of the equipment.

[0025] Furthermore, the first mold 2 has a liquid storage cavity 21, the inlet 41 is connected to the liquid storage cavity 21, and also includes a liquid guiding tube 5, which is located in the liquid storage cavity 21 and is connected to the liquid storage cavity 21; a cover plate 61 is arranged on the first mold 2, and is used to close the liquid storage cavity 21, and one end of the liquid guiding tube 5 passes through the cover plate 61 and is located outside the cover plate 61.

[0026] In this embodiment, the first mold 2 has a liquid storage cavity 21, and the inlet 41 of the liquid inlet pipe 4 is connected to the liquid storage cavity 21. The liquid guide tube 5 is located in the liquid storage cavity 21 and is connected to the liquid storage cavity 21. The cover plate 61 is installed on the first mold 2 to close the liquid storage cavity 21. One end of the liquid guide tube 5 passes through the cover plate 61 and is located outside the cover plate 61. In this way, the external rubber raw material can first enter the liquid guide tube 5, then flow into the liquid storage cavity 21, and finally be injected into the molding space 11 through the liquid inlet pipe 4. The liquid storage cavity 21 can store a certain amount of rubber raw materials to ensure the continuity of the raw material supply. The design of the liquid guide tube 5 and the cover plate 61 is conducive to the uniform distribution and stable injection of the raw materials, avoiding unstable factors in the process of raw material injection. The cover plate 61 can also avoid heat loss, so that the raw materials are in an excellent state, thereby improving the consistency and reliability of the rubber sealing ring molding.

[0027] Furthermore, the liquid storage cavity 21 and the liquid guiding tube 5 are both cylindrical and concentrically distributed. There are multiple liquid inlet tubes 4 , and the multiple liquid inlet tubes 4 are distributed at intervals around the circumference of the liquid guiding tube 5 .

[0028] In this embodiment, the liquid storage chamber 21 and the liquid guide tube 5 are both cylindrical and concentrically distributed, and the multiple liquid inlet tubes 4 are distributed at intervals about the circumference of the liquid guide tube 5. In actual work, the rubber raw material flows evenly from the liquid guide tube 5 into the liquid storage chamber 21, and then the raw material is injected into the molding space 11 through the multiple circumferentially distributed liquid inlet tubes 4 at the same time, so that the raw material is evenly distributed in the molding space 11. The circumferentially spaced distribution of the multiple liquid inlet tubes 4 can make the raw material more evenly injected into the molding space 11, avoiding the situation of too much or too little local raw material, thereby improving the quality and performance of the rubber sealing ring. At the same time, this evenly distributed injection method helps to reduce defects after molding and improve the qualified rate of products.

[0029] Furthermore, it also includes a connecting column 62, one end of which is arranged on the liquid inlet pipe 4; the two ends of the first elastic member 63 act on the cover plate 61 and the connecting column 62 respectively, for providing a force for the connecting column 62 to approach the liquid guiding tube 5; the limiting wheel 64 is rotatably arranged on the liquid guiding tube 5, and the side wall of the limiting wheel 64 has a crest 641 and a trough 642. After the limiting wheel 64 rotates, the connecting column 62 alternately abuts against the crest 641 and the trough 642.

[0030] In this embodiment, one end of the connecting column 62 is mounted on the liquid inlet tube 4, and the two ends of the first elastic member 63 act on the cover plate 61 and the connecting column 62 respectively, providing a force for the connecting column 62 to approach the liquid guide tube 5. The limiting wheel 64 is rotatably mounted on the liquid guide tube 5, and its side wall has a crest 641 and a trough 642. When the limiting wheel 64 rotates, the connecting column 62 alternately abuts against the crest 641 and the trough 642. In this way, the sliding position of the liquid inlet tube 4 can be controlled by the rotation of the limiting wheel 64 and the action of the first elastic member 63. When the raw material needs to enter the molding space 11, the connecting column 62 abuts against the trough 642, so that the outlet 42 is connected to the molding space 11. After the raw material is injected, the limiting wheel 64 rotates to make the connecting column 62 abut against the crest 641. At this time, the outlet 42 exits the molding space 11, and the side wall of the liquid inlet tube 4 and the first mold 2 and the second mold 3 together form the molding space 11 of the sealing ring. Through the action of the first elastic member 63, the connecting column 62 and the limiting wheel 64, the simultaneous sliding of multiple liquid inlet pipes 4 is achieved, and the control is convenient. Among them, a lever can be installed on the limiting wheel 64, and the angle of the limiting wheel 64 can be adjusted by controlling the position of the lever, so that the wave crest 641 and the wave trough 642 are alternately abutted against the connecting column 62. A telescopic member can be used to make the lever swing back and forth, or a rotating driving member can be used to drive the limiting wheel 64 to rotate to achieve the movement of the limiting wheel 64. The cooperation of the first elastic member 63 and the limiting wheel 64 can accurately control the movement of the liquid inlet pipe 4 and realize the precise adjustment of the injection amount of the raw material. This precise control helps to produce rubber sealing rings with higher dimensional accuracy and more stable performance.

[0031] Furthermore, it also includes a top plate 65, which is arranged at one end of the first elastic member 63 close to the connecting column 62. The first elastic member 63 acts on the connecting column 62 through the top plate 65, and the top plate 65 is arc-shaped.

[0032] In this embodiment, the top plate 65 is installed at one end of the first elastic member 63 close to the connecting column 62, and the first elastic member 63 acts on the connecting column 62 through the arc-shaped top plate 65. During operation, the arc-shaped top plate 65 can better contact the connecting column 62, making the force transmission more uniform and stable. The arc-shaped top plate 65 can make the force of the first elastic member 63 on the connecting column 62 more uniform, avoiding the situation where the local force is too large or too small, thereby improving the stability and reliability of the movement of the liquid inlet pipe 4. This helps to further accurately control the injection of raw materials and ensure the molding quality of the rubber sealing ring.

[0033] Furthermore, the second mold 3 includes an intermediate mold 31 , one end of which is used to abut against the first mold 2 ; the lower mold 32 abuts against the other end of the intermediate mold 31 and the middle of the first mold 2 .

[0034] In this embodiment, the second mold 3 is composed of an intermediate mold 31 and a lower mold 32. One end of the intermediate mold 31 is used to abut against the first mold 2, and the lower mold 32 abuts against the other end of the intermediate mold 31 and the middle of the first mold 2. During the molding process of the rubber sealing ring, the first mold 2, the intermediate mold 31 and the lower mold 32 are closely matched to form a complete molding space 11 together with the liquid inlet pipe 4. This split second mold 3 design facilitates the installation, disassembly and maintenance of the mold. At the same time, different parts of the mold can be processed and improved separately as needed, which improves the versatility and flexibility of the mold and reduces the manufacturing cost and maintenance difficulty of the mold.

[0035] After the sealing ring is formed, the split second mold 3 is more convenient for demoulding the sealing ring. The lower mold 32 abuts against the middle of the first mold 2, so that the middle mold 31 is tightly pressed by the first mold 2 and the lower mold 32, reducing the influence of the split mold on the molding quality of the sealing ring.

[0036] Furthermore, the first mold 2 has an annular groove 22 at the lower end, and the lower mold 32 has a limiting protrusion 321 . The annular groove 22 is used to abut against the limiting protrusion 321 .

[0037] In this embodiment, the lower end of the first mold 2 has an annular groove 22, and the lower mold 32 has a limiting protrusion 321. During the mold assembly process, the limiting protrusion 321 abuts against the annular groove 22. This ensures accurate positioning between the first mold 2 and the lower mold 32, and prevents mold offset or dislocation during the injection molding process. The cooperation between the annular groove 22 and the limiting protrusion 321 improves the accuracy and stability of mold assembly, and ensures the dimensional accuracy and shape accuracy of the rubber sealing ring molding. It reduces product defects caused by mold dislocation and improves product quality and qualified rate.

[0038] Furthermore, the middle mold 31 has a temporary storage cavity 311 at one end close to the first mold 2, and the bottom of the temporary storage cavity 311 has a first guide surface 312 and multiple second guide surfaces 313, the second guide surface 313 includes: a guide plane 3131 and a guide slope 3132, and the two ends of the guide slope 3132 are respectively connected to the guide plane 3131 and the guide slope 3132, and after the liquid inlet tube 4 slides into the temporary storage cavity 311, it abuts against the guide plane 3131 or is located above the guide slope 3132.

[0039] In this embodiment, the intermediate mold 31 has a temporary storage cavity 311 at one end close to the first mold 2, and the bottom of the temporary storage cavity 311 has a first guide surface 312 and a plurality of second guide surfaces 313. The second guide surface 313 includes a guide plane 3131 and a guide slope 3132. After the first mold 2 and the second mold 3 are molded together, one end of the liquid inlet pipe 4 is located on the second guide surface 313, and the positioning of the intermediate mold 31 is achieved by the cooperation of the plurality of liquid inlet pipes 4 and the second guide surface 313. After the mold is closed, the connecting column 62 first abuts against the trough 642, and the outlet 42 is connected to the molding space 11. At this time, the raw material can enter the molding space 11 from the outlet 42 after entering the liquid inlet pipe 4 through the inlet 41. When the connecting column 62 abuts against the crest 641, the outlet 42 is located above the guide slope 3132. After the injection is completed, the excess raw material can enter the temporary storage cavity 311 through the outlet 42, so as to avoid the excess raw material remaining in the liquid inlet pipe 4 and being inconvenient to discharge. At this time, a liquid outlet can be opened in the temporary storage chamber to discharge excess raw materials. If it is inconvenient to open a liquid outlet, the raw materials and the sealing ring in the temporary storage chamber 311 can be demolded together after the molding is completed. The waste demolded in the temporary storage chamber 311 can be recycled and reused. Since the liquid inlet pipe 4 separates the temporary storage chamber 311 from the molding space 11, it does not affect the molding quality of the sealing ring. When it is necessary to clean the first mold 2 and the feed pipe, the connecting column 62 and the middle transition position of the wave crest 641 and the wave trough 642 are abutted. At this time, the outlet 42 is abutted against the plane of the wire and is in a closed device. Cleaning liquid can be deposited in the liquid storage chamber 21 and the liquid inlet pipe 4 to avoid dust and other impurities remaining inside, which affects the molding quality of the sealing ring.

[0040] Furthermore, the lower mold 32 has an air inlet 322 and a guide channel 323. The guide channel 323 is used to communicate with the molding space 11. It also includes a mold core 324. The mold core 324 is slidably set in the guide channel 323. After the mold core 324 slides away from the middle mold 31, the air inlet 322 is connected with the molding space 11 through the guide channel 323.

[0041] In this embodiment, the lower mold 32 has an air inlet 322 and a guide channel 323, and the mold core 324 is slidably disposed in the guide channel 323. When the mold core 324 slides away from the middle mold 31, the air inlet 322 is connected to the molding space 11 through the guide channel 323. After the rubber sealing ring is molded, gas can be introduced into the molding space 11 through the air inlet 322 to assist the rubber sealing ring in demolding.

[0042] The design of the air inlet 322 and the slidable mold core 324 facilitates the demoulding and subsequent processing of the rubber seal ring. By introducing gas, the damage to the rubber seal ring during the demoulding process can be reduced, and the integrity and quality of the product can be improved. At the same time, since the mold core 324 is slidable, the integrity of the molding space 11 can be ensured during the molding process, and the molding of the seal ring will not be affected. This design increases the function and practicality of the equipment.

[0043] This embodiment provides a rubber sealing ring processing and molding method, using a rubber sealing ring processing and molding equipment.

[0044] In this embodiment, the rubber sealing ring processing and molding equipment can be used to efficiently and accurately produce rubber sealing rings. A liquid inlet pipe 4 is set on the first mold 2, and the switching between the injection and molding processes is achieved by sliding the liquid inlet pipe 4. When the outlet 42 of the liquid inlet pipe 4 is not connected to the feed port, the liquid inlet pipe 4, as a part of the molding mold, together with the first mold 2 and the second mold 3, forms a molding space 11, and maintains the integrity of the molding space 11, thereby improving the quality of the sealing ring molding, reducing subsequent cleaning work, and further improving the efficiency of the sealing ring molding. Through the coordinated work of various components, uniform injection of raw materials, precise matching of molds, and convenient demoulding operations are achieved, thereby improving the production efficiency and quality of rubber sealing rings, and reducing production costs and scrap rates.

[0045] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A rubber sealing ring processing and molding equipment, characterized in that: include: Injection molding machine body (1); A first mold (2), wherein the first mold (2) is arranged on the injection molding machine body (1); a second mold (3), the second mold (3) being slidably arranged on the injection molding machine body (1), and the second mold (3) being located below the first mold (2); A liquid inlet pipe (4), the liquid inlet pipe (4) being slidably arranged on the first mould (2), the first mould (2), the second mould (3) and the liquid inlet pipe (4) forming a moulding space (11), the liquid inlet pipe (4) having an inlet (41) and an outlet (42), and after the liquid inlet pipe (4) slides, the outlet (42) is connected to or disconnected from the moulding space (11).

2. The rubber sealing ring processing and molding equipment according to claim 1 is characterized in that: The first mold (2) has a liquid storage cavity (21), the inlet (41) is connected to the liquid storage cavity (21), and further comprises: A liquid-conducting cylinder (5), the liquid-conducting cylinder (5) being located in the liquid-storing cavity (21), the liquid-conducting cylinder (5) being in communication with the liquid-storing cavity (21); A cover plate (61), the cover plate (61) being arranged on the first mould (2) and used for closing the liquid storage cavity (21), one end of the liquid guide tube (5) passing through the cover plate (61) and then being located outside the cover plate (61).

3. The rubber sealing ring processing and molding equipment according to claim 2 is characterized in that: The liquid storage chamber (21) and the liquid guiding tube (5) are both cylindrical and concentrically distributed. The liquid inlet tube (4) is provided in plurality, and the plurality of liquid inlet tubes (4) are distributed at intervals about the circumference of the liquid guiding tube (5).

4. The rubber sealing ring processing and molding equipment according to claim 3 is characterized in that: Also includes; A connecting column (62), one end of the connecting column (62) being arranged on the liquid inlet pipe (4); a first elastic member (63), wherein two ends of the first elastic member (63) act on the cover plate (61) and the connecting column (62) respectively, and are used to provide a force for the connecting column (62) to approach the liquid guiding cylinder (5); A limiting wheel (64), the limiting wheel (64) being rotatably disposed on the liquid guiding cylinder (5), the side wall of the limiting wheel (64) having wave crests (641) and wave troughs (642), and after the limiting wheel (64) rotates, the connecting column (62) alternately abuts against the wave crests (641) and the wave troughs (642).

5. The rubber sealing ring processing and molding equipment according to claim 4 is characterized in that: Also includes: A top plate (65), the top plate (65) being arranged at one end of the first elastic member (63) close to the connecting column (62), the first elastic member (63) acting on the connecting column (62) through the top plate (65), and the top plate (65) being arc-shaped.

6. The rubber sealing ring processing and molding equipment according to claim 1, characterized in that: The second mold (3) comprises: An intermediate mold (31), one end of the intermediate mold (31) being used for abutting against the first mold (2); A lower mold (32), wherein the lower mold (32) abuts against the other end of the middle mold (31) and the middle of the first mold (2).

7. The rubber sealing ring processing and molding equipment according to claim 6, characterized in that: The first mould (2) has an annular groove (22) at the lower end, the lower mould (32) has a limiting protrusion (321), and the annular groove (22) is used to abut against the limiting protrusion (321).

8. The rubber sealing ring processing and molding equipment according to claim 6, characterized in that: The middle mold (31) has a temporary storage cavity (311) at one end close to the first mold (2), and the bottom of the temporary storage cavity (311) has a first guide surface (312) and a plurality of second guide surfaces (313), wherein the second guide surfaces (313) include: A guide plane (3131) and a guide inclined plane (3132), wherein two ends of the guide inclined plane (3132) are respectively connected to the guide plane (3131) and the guide inclined plane (3132), and after the liquid inlet pipe (4) slides into the temporary storage chamber (311), it abuts against the guide plane (3131) or is located above the guide inclined plane (3132).

9. The rubber sealing ring processing and molding equipment according to claim 6, characterized in that: The lower mold (32) has an air inlet (322) and a guide channel (323), wherein the guide channel (323) is used to communicate with the molding space (11), and further comprises: A mold core (324), wherein the mold core (324) is slidably disposed in the guide channel (323); after the mold core (324) slides away from the middle mold (31), the air inlet (322) is connected to the molding space (11) through the guide channel (323).

10. A method for processing and molding a rubber sealing ring, using the rubber sealing ring processing and molding equipment according to any one of claims 1 to 9.

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