Rubber seal ring mold and molding method thereof

Abstract

This invention relates to the field of rubber sealing ring processing technology, specifically to a rubber sealing ring mold and its forming method. The mold includes a lower template and an upper template. The upper end of the lower template has several forming cavities. A forming column is fixedly connected to the lower end of each forming cavity. Both sides of each forming cavity are connected to a connecting cavity via several connecting holes. The connecting cavity is located within the upper end of the lower template, and the connecting holes are located within the lower template. An installation mechanism is movably connected within the connecting cavity. When the installation mechanism, carrying several mounting groove forming plates, retracts into the connecting cavity, a lifting mechanism can move the installation mechanism upwards to the external environment. When a damaged mounting groove forming plate is moved to the external environment, maintenance personnel can remove the damaged plate and reinstall a new one into the installation mechanism. After replacement, the installation mechanism is pushed back into the connecting cavity, improving maintenance efficiency.

Description

Technical Field

[0001] This invention relates to the field of rubber sealing ring processing technology, specifically to a rubber sealing ring mold and its forming method. Background Technology

[0002] A rubber seal is an annular cover composed of one or more parts, fixed to one of the bearing rings or washers and in contact with another ring or washer or forming a narrow labyrinth gap to prevent lubricating oil leakage and foreign matter intrusion. Rubber seals have advantages such as elasticity and resilience, tear resistance, stable performance, and are not prone to swelling in the medium and have a small thermal shrinkage effect.

[0003] For example, Chinese patent CN113580500B discloses a rubber sealing ring mold and its forming method, including a support plate, the top of which is connected to a mold for the rubber sealing ring, and the rubber sealing ring formed by the mold has multiple identical mounting grooves. One end of the mold is connected to a feeding structure for unloading the sealing ring as a whole after forming, and the mold is connected to an outlet structure for separating the sealing ring from the mold.

[0004] However, the above solution has the following shortcomings: In the above patent, the cylinder is activated to move the mounting groove forming semicircular plate to a suitable position, and then the rubber raw material is injected into the straight groove through the injection pipe. Then, the upper groove forming ring, the inner groove forming column, the horizontal plate, the mounting groove forming semicircular plate and the lower groove forming ring work together to form a rubber sealing ring with a mounting groove in one step. However, since the mounting groove forming semicircular plate used to form the mounting groove is set in the lower mold, when the surface of the mounting groove forming semicircular plate is damaged, resulting in defects in the mounting groove of the sealing ring after forming, maintenance personnel need to disassemble the entire mold before the mounting groove forming semicircular plate can be replaced and repaired. This operation is cumbersome and cannot quickly replace and repair the mounting groove forming semicircular plate. Therefore, we have introduced a rubber sealing ring mold and its forming method. Summary of the Invention

[0005] The purpose of this invention is to provide a rubber sealing ring mold and its molding method to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A rubber sealing ring mold includes a lower template and an upper template. The upper end of the lower template has several forming cavities. A forming column is fixedly connected to the lower end of each forming cavity. Both sides of each forming cavity are connected to a connecting cavity via several connecting holes. The connecting cavity is located within the upper end of the lower template, and the connecting holes are located within the lower template. An installation mechanism is movably connected within the connecting cavity. Several mounting groove forming plates are movably mounted on one side of the installation mechanism. The end of each mounting groove forming plate furthest from the installation mechanism is semi-circular and extends into the forming cavity through the connecting holes.

[0008] The installation mechanism is movably connected to the traction mechanism on the side away from the molding cavity. The traction mechanism is set inside the lower template, with one end of the traction mechanism extending into the external environment. The traction mechanism pushes the installation mechanism to move, and the installation mechanism drives several mounting slot molding plates to move, so that one end of the mounting slot molding plate enters the molding cavity through the connecting hole.

[0009] The mounting mechanism is equipped with a lifting mechanism on its lower side. The lifting mechanism is located in the lower end of the connecting cavity. The lifting mechanism drives the mounting mechanism to move upward, and the mounting mechanism drives several mounting slot forming plates to move upward. Several cavities are opened in the lower template. A cross-shaped connecting rod is slidably connected in the cavity. The upper end of the cross-shaped connecting rod extends into the external environment, and the lower end extends into the external environment and is fixedly connected to the connecting plate. A top material rod is movably connected in the lower end of the forming cavity. The lower end of the top material rod extends into the external environment and is fixedly connected to the connecting plate.

[0010] Preferably, the installation mechanism includes a vertical plate, a plurality of U-shaped mounting plates are fixedly connected to one side of the vertical plate, and a mounting groove forming plate is movably installed on the side of the U-shaped mounting plate away from the vertical plate by a screw. A traction groove is provided on the side of the vertical plate away from the U-shaped mounting plate.

[0011] Preferably, two sliders are fixedly connected to both ends of the vertical plate, and the sliders slide in the support groove, which is opened in the connecting cavity.

[0012] Preferably, the traction mechanism includes a traction block, which is slidably connected to the traction groove. A pull rope is fixedly connected to one end of the traction block away from the traction groove. The pull rope extends into the sliding cavity and is fixedly connected to a square rod. The square rod is slidably connected to the sliding cavity, which is located in the upper end of the lower template.

[0013] Preferably, a first spring is fixedly connected to the lower end of the square rod, and the other end of the first spring is fixedly connected to the sliding cavity. A second spring is sleeved on the outside of the pull rope, and one end of the second spring is fixedly connected to the traction block, and the other end is fixedly connected to the connecting cavity.

[0014] Preferably, the lifting mechanism includes a top rod, which is slidably connected to the lower end of the connecting cavity, the lower end of the connecting cavity extending into the external environment. A connecting spring is sleeved on the outside of the top rod, one end of the connecting spring is fixedly connected to the top rod, and the other end is fixedly connected to the connecting cavity. A limit hole is opened on one side of the top rod, and a telescopic cylinder is fixedly installed in one side of the connecting cavity, the output end of the telescopic cylinder extending into the limit hole.

[0015] Preferably, a plurality of blocking blocks are fixedly connected to the lower end of the upper template, and a plurality of guide tubes are fixedly installed inside the blocking blocks. The upper ends of the guide tubes pass through the upper template and extend into the external environment. A support spring is sleeved on the outside of the cross-shaped connecting rod. One end of the support spring is fixedly connected to the cross-shaped connecting rod, and the other end is fixedly connected to the cavity.

[0016] Furthermore, to achieve the above objectives, the present invention also provides a method for forming a rubber sealing ring, for use in the aforementioned rubber sealing ring mold, comprising:

[0017] S1. Install the upper and lower templates together with the equipment, and connect the material conveying equipment to the guide pipe. When the upper template moves downward, the square rod and the cross-shaped connecting rod will move downward as well. When the square rod moves, the vertical plate will drive several mounting slot forming plates into the forming cavity. When the cross-shaped connecting rod moves downward, the top rod will be retracted into the lower end of the forming cavity.

[0018] S2. When the lower end of the upper template contacts the upper end of the lower template, the block will enter the molding cavity. The rubber raw material is injected into the molding cavity through the guide tube. After molding, the upper template moves upward. Under the elastic force of the first spring and the support spring, the square rod and the cross-shaped connecting rod move upward. When the square rod moves upward, it drives the pull rope to move, so that the vertical plate drives several mounting slot molding plates into the connecting cavity.

[0019] S3. When the cross-shaped connecting rod moves upward, it drives the connecting plate to move. When the connecting plate moves, it drives several ejector rods to move. When the ejector rods move, they lift the sealing ring in the forming cavity. The formed sealing ring is then taken out by the gripping device. The upper template moves downward again to produce the sealing ring again.

[0020] Compared with the prior art, the beneficial effects of the present invention are as follows: after the installation mechanism carrying several mounting slot forming plates retracts into the connecting cavity, the installation mechanism can be moved upward to the external environment by the lifting mechanism. When the damaged mounting slot forming plate is moved to the external environment, the maintenance personnel can remove the damaged mounting slot forming plate and reinstall the new mounting slot forming plate into the installation mechanism. After the replacement is completed, the installation mechanism can be pushed back into the connecting cavity. The operation is convenient and the maintenance efficiency is improved. Attached Figure Description

[0021] Figure 1 This is a schematic cross-sectional view of the present invention;

[0022] Figure 2 This is a cross-sectional structural diagram showing the connection relationship between the molding cavity and the connecting cavity of the present invention;

[0023] Figure 3 This is a top view of the closed state of the mounting groove forming plate of the present invention;

[0024] Figure 4 This is a schematic diagram of the main view structure of the template in this invention;

[0025] Figure 5 This is a three-dimensional structural diagram illustrating the connection relationship between the U-shaped mounting plate and the mounting groove forming plate of the present invention.

[0026] Figure 6 This is a three-dimensional structural diagram illustrating the connection relationship between the traction block and the pull rope in this invention;

[0027] Figure 7 This is a three-dimensional structural diagram showing the positional relationship between the mounting groove forming plate and the formed sealing ring of the present invention.

[0028] In the diagram: 1. Lower template; 2. Slider; 3. Sliding cavity; 4. First spring; 5. Pull rope; 6. Square rod; 7. Support groove; 8. Screw; 9. Connecting cavity; 10. Forming cavity; 11. Forming column; 12. Mounting groove forming plate; 13. U-shaped mounting plate; 14. Connecting hole; 15. Top rod; 16. Telescopic cylinder; 17. Limiting hole; 18. Upper template; 19. Guide pipe; 20. Connecting spring; 21. Top rod; 22. Connecting plate; 23. Cross-shaped connecting rod; 24. Support spring; 25. Cavity; 26. Traction block; 27. Vertical plate; 28. Traction groove; 29. ​​Second spring; 30. Block; 31. Sealing ring. Detailed Implementation

[0029] 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.

[0030] Please see Figure 1-7 The present invention provides a technical solution: Example 1:

[0031] A rubber sealing ring mold includes a lower template 1 and an upper template 18. The upper end of the lower template 1 has several forming cavities 10. A forming column 11 is fixedly connected to the lower end of each forming cavity 10. Both sides of each forming cavity 10 are connected to a connecting cavity 9 via several connecting holes 14. The connecting cavity 9 is located within the upper end of the lower template 1, and the connecting holes 14 are located within the lower template 1. An installation mechanism is movably connected within the connecting cavity 9. Several mounting groove forming plates 12 are movably installed on one side of the installation mechanism. The end of each mounting groove forming plate 12 away from the installation mechanism is semi-circular and extends into the forming cavity 10 through the connecting holes 14.

[0032] The mounting mechanism is movably connected to the traction mechanism on the side away from the molding cavity 10. The traction mechanism is located inside the lower template 1, with one end extending into the external environment. The traction mechanism pushes the mounting mechanism to move, which in turn moves several mounting slot molding plates 12. One end of each mounting slot molding plate 12 enters the molding cavity 10 through the connecting hole 14. Once the mounting slot molding plates 12 in two directions come into contact, the mounting mechanism stops moving.

[0033] A lifting mechanism is provided on the lower side of the mounting mechanism, located inside the lower end of the connecting cavity 9. When it is necessary to replace the mounting slot forming plate 12, the lifting mechanism drives the mounting mechanism to move upward, which in turn moves several mounting slot forming plates 12 upward. Once the mounting slot forming plates 12 are moved to the external environment, the damaged mounting slot forming plates 12 can be repaired or replaced. Several cavities 25 are provided inside the lower template 1, and cross-shaped connecting rods 23 are slidably connected within the cavities 25. The upper and lower ends of the cross-shaped connecting rods 23 extend into the external environment. It is fixedly connected to the connecting plate 22. The lower end of the forming cavity 10 is movably connected to the ejector rod 15. The lower end of the ejector rod 15 extends into the external environment and is fixedly connected to the connecting plate 22. When the upper template 18 moves upward, the cross-shaped connecting rod 23 will move upward and drive the connecting plate 22 to move. When the connecting plate 22 moves, it drives several ejector rods 15 to move. When the ejector rods 15 move, they lift the sealing ring 31 in the forming cavity 10. At this time, the formed sealing ring 31 can be taken out by the gripping device. The upper template 18 can then move downward again to produce the sealing ring 31 again. Example 2:

[0034] Based on Embodiment 1, to facilitate the replacement of the mounting slot forming plate 12, the mounting mechanism includes a vertical plate 27. Several U-shaped mounting plates 13 are fixedly connected to one side of the vertical plate 27. The mounting slot forming plate 12 is movably mounted on the side of the U-shaped mounting plate 13 away from the vertical plate 27 via a screw 8. By rotating the screw 8, the mounting slot forming plate 12 to be replaced is removed, and a new mounting slot forming plate 12 is installed into the U-shaped mounting plate 13 and fixed with the screw 8, thus completing the replacement of the mounting slot forming plate 12. A traction groove 28 is provided on the side of the vertical plate 27 away from the U-shaped mounting plate 13. The traction mechanism includes... The traction block 26 is slidably connected to the traction groove 28. A pull rope 5 is fixedly connected to the end of the traction block 26 away from the traction groove 28. The end of the pull rope 5 away from the traction block 26 extends into the sliding cavity 3 and is fixedly connected to the square rod 6. When the vertical plate 27 is pushed upward by the top rod 21, the traction block 26 will move along the traction groove 28 and eventually disengage from the traction groove 28. Due to the elastic force of the first spring 4, the traction block 26 will be pulled by the pull rope 5 and always remain in the original position. Therefore, when the vertical plate 27 returns to the original position, the traction block 26 will slide back into the traction groove 28.

[0035] The square rod 6 slides into the sliding cavity 3, which is located at the upper end of the lower template 1. When the square rod 6 moves upward, it drives the pull rope 5 connected at the lower end to move. Since the elastic force of the first spring 4 is greater than that of the second spring 29, the pull rope 5 will drive the traction block 26 to move when it moves. At this time, the second spring 29 is compressed. At the same time, the vertical plate 27 will drive several mounting slot forming plates 12 into the connecting cavity 9. Two sliders 2 are fixedly connected to both ends of the vertical plate 27. The sliders 2 slide into the support groove 7, which is located in the connecting cavity 9. The vertical plate 27 is limited by the sliders 2 sliding into the support groove 7.

[0036] A first spring 4 is fixedly connected to the lower end of the square rod 6. The other end of the first spring 4 is fixedly connected to the sliding cavity 3. A second spring 29 is sleeved on the outside of the pull rope 5. One end of the second spring 29 is fixedly connected to the traction block 26, and the other end is fixedly connected to the connecting cavity 9. The elastic force of the first spring 4 is greater than that of the second spring 29. As the upper template 18 moves downward, the square rod 6 will move downward accordingly. When the square rod 6 moves downward, it will compress the first spring 4. Under the action of the elastic force of the second spring 29, the traction block 26 will drive the vertical plate 2. 7 moves inward, the vertical plate 27 moves inward and drives several mounting slot forming plates 12 to enter the forming cavity 10 through the connecting hole 14. When the upper template 18 moves upward, under the elastic force of the first spring 4, the square rod 6 moves upward and drives the pull rope 5 connected at the lower end to move. Since the elastic force of the first spring 4 is greater than the elastic force of the second spring 29, the pull rope 5 will drive the traction block 26 to move when it moves. At this time, the second spring 29 is compressed, and the vertical plate 27 will drive several mounting slot forming plates 12 to enter the connecting cavity 9.

[0037] The lifting mechanism includes a top rod 21, which is slidably connected to the lower end of the connecting cavity 9. The lower end of the connecting cavity 9 extends into the external environment. A connecting spring 20 is sleeved on the outside of the top rod 21. One end of the connecting spring 20 is fixedly connected to the top rod 21, and the other end is fixedly connected to the connecting cavity 9. A limit hole 17 is opened on one side of the top rod 21. A telescopic cylinder 16 is fixedly installed in one side of the connecting cavity 9. The output end of the telescopic cylinder 16 extends into the limit hole 17. When it is necessary to repair or replace the damaged mounting slot forming plate 12, the telescopic cylinder 16 is opened when the vertical plate 27 is in the retracted state. The output end of the telescopic cylinder 16 is controlled to disengage from the limit hole 17. At this time, under the elastic force of the connecting spring 20, the top rod 21 will spring up and push the vertical plate 27 to move synchronously. The upward movement of the vertical plate 27 drives several mounting slot forming plates 12 to move into the external environment.

[0038] Several blocking blocks 30 are fixedly connected to the lower end of the upper template 18. Several guide tubes 19 are fixedly installed inside the blocking blocks 30. The upper end of the guide tubes 19 passes through the upper template 18 and extends into the external environment. A support spring 24 is sleeved on the outside of the cross-shaped connecting rod 23. One end of the support spring 24 is fixedly connected to the cross-shaped connecting rod 23, and the other end is fixedly connected to the cavity 25.

[0039] Furthermore, to achieve the above objectives, the present invention also provides a method for forming a rubber sealing ring, for use in the aforementioned rubber sealing ring mold, comprising:

[0040] S1. Install the upper template 18 and the lower template 1 together with the equipment, and connect the material conveying equipment to the guide pipe 19. When the upper template 18 moves downward, the square rod 6 and the cross-shaped connecting rod 23 will move downward as well. When the square rod 6 moves, the vertical plate 27 drives several mounting slot forming plates into the forming cavity 10. When the cross-shaped connecting rod 23 moves downward, the top rod 15 is retracted into the lower end of the forming cavity 10.

[0041] S2. When the lower end of the upper template 18 contacts the upper end of the lower template 1, the block 30 will enter the molding cavity 10 and inject the rubber raw material into the molding cavity 10 through the guide tube 19. After molding, the upper template 18 moves upward. Under the elastic force of the first spring 4 and the support spring 24, the square rod 6 and the cross-shaped connecting rod 23 move upward. When the square rod 6 moves upward, it drives the pull rope 5 to move, so that the vertical plate 27 drives several mounting slot molding plates 12 into the connecting cavity 9.

[0042] S3. When the cross-shaped connecting rod 23 moves upward, it drives the connecting plate 22 to move. When the connecting plate 22 moves, it drives several ejector rods 15 to move. When the ejector rods 15 move, they lift the sealing ring 31 in the forming cavity 10. The formed sealing ring 31 is taken out by the gripping device. The upper template 18 moves downward again to produce the sealing ring 31 again.

[0043] Working principle: When in use, the upper template 18 and the lower template 1 are installed together with the equipment, and the material conveying equipment is connected to the guide pipe 19. When the upper template 18 moves downward, the lower end of the upper template 18 contacts the square rod 6 and the cross-shaped connecting rod 23. As the upper template 18 moves downward, the square rod 6 and the cross-shaped connecting rod 23 will also move downward. When the square rod 6 moves downward, it will compress the first spring 4. At this time, under the elastic force of the second spring 29, the traction block 26 will drive the vertical plate 27 to move inward. The inward movement of the vertical plate 27 will drive several mounting slot forming plates 12 to enter the forming cavity 10 through the connecting hole 14. When the mounting slot forming plates 12 in two directions come into contact, the traction block 26 stops moving.

[0044] When several cross-shaped connecting rods 23 move downwards, they will drive the connecting plate 22 to move synchronously. When the connecting plate 22 moves, it will drive several top material rods 15 connected to its upper end to move, so that the top material rods 15 are retracted into the lower end of the molding cavity 10. When the lower end of the upper template 18 contacts the upper end of the lower template 1, the blocking block 30 will enter the molding cavity 10 to seal the molding cavity 10. The rubber raw material can be injected into the molding cavity 10 through the two guide tubes 19 set in the blocking block 30. After molding is completed, the upper template 18 moves upwards. At this time, under the elastic force of the first spring 4 and the support spring 24, the square rod 6 and the cross-shaped connecting rod 23 move upwards. When the square rod 6 moves upwards, it will drive the pull rope 5 connected to its lower end to move. Since the elastic force of the first spring 4 is greater than the elastic force of the second spring 29, the pull rope 5 will drive the traction block 26 to move when it moves. At this time, the second spring 29 is compressed. At the same time, the vertical plate 27 will drive several mounting slot molding plates 12 to enter the connecting cavity 9.

[0045] When the cross-shaped connecting rod 23 moves upward, it drives the connecting plate 22 to move. When the connecting plate 22 moves, it drives several ejector rods 15 to move. When the ejector rods 15 move, they lift the sealing ring 31 in the forming cavity 10. At this time, the formed sealing ring 31 can be taken out by the gripping device. The upper template 18 can then move downward again to produce the sealing ring 31 again.

[0046] When it is necessary to repair or replace the damaged mounting slot forming plate 12, open the telescopic cylinder 16 when the vertical plate 27 is in the retracted state, and control the output end of the telescopic cylinder 16 to disengage from the limiting hole 17. At this time, under the elastic force of the connecting spring 20, the top rod 21 will spring up and push the vertical plate 27 to move synchronously. The upward movement of the vertical plate 27 will drive several mounting slot forming plates 12 to move to the external environment. At this time, the mounting slot forming plate 12 that needs to be replaced can be removed by rotating the screw 8, and the new mounting slot forming plate 12 can be installed into the U-shaped mounting plate 13 and fixed by the screw 8. After the replacement is completed, press the vertical plate 27 down to return to the initial position, and control the telescopic cylinder 16 to make its output end re-engage into the limiting hole 17.

[0047] 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 rubber sealing ring mold, comprising a lower template and an upper template, characterized in that: The upper end of the lower template has several forming cavities. A forming column is fixedly connected to the lower end of each forming cavity. Both sides of each forming cavity are connected to a connecting cavity via several connecting holes. The connecting cavity is located within the upper end of the lower template, and the connecting holes are located within the lower template. An installation mechanism is movably connected within the connecting cavity. Several mounting slot forming plates are movably mounted on one side of the installation mechanism. The end of each mounting slot forming plate furthest from the installation mechanism is semi-circular and extends into the forming cavity through the connecting holes. The installation mechanism is movably connected to the traction mechanism on the side away from the molding cavity. The traction mechanism is set inside the lower template, with one end of the traction mechanism extending into the external environment. The traction mechanism pushes the installation mechanism to move, and the installation mechanism drives several mounting slot molding plates to move, so that one end of the mounting slot molding plate enters the molding cavity through the connecting hole. The installation mechanism is provided with a lifting mechanism on its lower side. The lifting mechanism is located in the lower end of the connecting cavity. The lifting mechanism drives the installation mechanism to move upward, and the installation mechanism drives several mounting slot forming plates to move upward. Several cavities are opened in the lower template. A cross-shaped connecting rod is slidably connected in the cavity. The upper end of the cross-shaped connecting rod extends into the external environment, and the lower end extends into the external environment and is fixedly connected to the connecting plate. A top material rod is movably connected in the lower end of the forming cavity. The lower end of the top material rod extends into the external environment and is fixedly connected to the connecting plate. The installation mechanism includes a vertical plate, a plurality of U-shaped mounting plates are fixedly connected to one side of the vertical plate, and a mounting groove forming plate is movably installed on the side of the U-shaped mounting plate away from the vertical plate by a screw. A traction groove is provided on the side of the vertical plate away from the U-shaped mounting plate. Two sliders are fixedly connected to both ends of the vertical plate. The sliders slide in the support groove, which is opened in the connecting cavity. The traction mechanism includes a traction block, which is slidably connected to the traction groove. A pull rope is fixedly connected to one end of the traction block away from the traction groove. The pull rope extends into the sliding cavity and is fixedly connected to a square rod. The square rod is slidably connected to the sliding cavity, which is located in the upper end of the lower template. The lower end of the square rod is fixedly connected to a first spring, and the other end of the first spring is fixedly connected to the sliding cavity. The outside of the pull rope is fitted with a second spring, one end of the second spring is fixedly connected to the traction block, and the other end is fixedly connected to the connecting cavity.

2. The rubber sealing ring mold according to claim 1, characterized in that: The lifting mechanism includes a top rod, which is slidably connected to the lower end of the connecting cavity. The lower end of the connecting cavity extends into the external environment. A connecting spring is sleeved on the outside of the top rod. One end of the connecting spring is fixedly connected to the top rod, and the other end is fixedly connected to the connecting cavity. A limit hole is opened on one side of the top rod. A telescopic cylinder is fixedly installed in one side of the connecting cavity. The output end of the telescopic cylinder extends into the limit hole.

3. A rubber sealing ring mold according to claim 1, characterized in that: Several blocking blocks are fixedly connected to the lower end of the upper template. Several guide tubes are fixedly installed inside the blocking blocks. The upper end of the guide tubes passes through the upper template and extends into the external environment. A support spring is sleeved on the outside of the cross-shaped connecting rod. One end of the support spring is fixedly connected to the cross-shaped connecting rod, and the other end is fixedly connected to the cavity.

4. A method for forming a rubber sealing ring, used in the rubber sealing ring mold according to any one of claims 1-3, characterized in that, include: S1. Install the upper and lower templates together with the equipment, and connect the material conveying equipment to the guide pipe. When the upper template moves downward, the square rod and the cross-shaped connecting rod will move downward as well. When the square rod moves, the vertical plate will drive several mounting slot forming plates into the forming cavity. When the cross-shaped connecting rod moves downward, the top rod will be retracted into the lower end of the forming cavity. S2. When the lower end of the upper template contacts the upper end of the lower template, the block will enter the molding cavity. The rubber raw material is injected into the molding cavity through the guide tube. After molding, the upper template moves upward. Under the elastic force of the first spring and the support spring, the square rod and the cross-shaped connecting rod move upward. When the square rod moves upward, it drives the pull rope to move, so that the vertical plate drives several mounting slot molding plates into the connecting cavity. S3. When the cross-shaped connecting rod moves upward, it drives the connecting plate to move. When the connecting plate moves, it drives several ejector rods to move. When the ejector rods move, they lift the sealing ring in the forming cavity. The formed sealing ring is then taken out by the gripping device. The upper template moves downward again to produce the sealing ring again.

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