Elastic metal sealing ring machining die

Abstract

The utility model discloses an elastic metal sealing ring machining die which comprises an upper die body, a protruding block, a pressing plate, a stamping device body and a lower die body are arranged on the upper die body, a guide column is fixedly connected to the upper surface of the lower die body, a containing groove is formed in the lower die body, and a positioning ring, a fixing ring and a sealing ring body are arranged in the containing groove. An ejector rod is arranged in the positioning ring, a pull rod is fixedly connected to the outer side of the fixing ring, a spring and a limiting plate are arranged on the pull rod, and a cooling groove and a groove are formed in the lower die. By means of the device, the positioning ring, the fixing ring, the spring, the limiting plate, the pressing plate and the cooling groove are matched, and the metal sealing ring is extruded on the two sides, so that the metal sealing ring is fixed, the pressing plate is prevented from disengaging, the machining precision of the elastic metal sealing ring is effectively improved, deviation generated in the machining process of a mold is reduced, and the service life of the mold is prolonged through the cooling groove; and meanwhile, the sealing ring is quickly shaped.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing ring processing, in particular to an elastic metal sealing ring processing mold. Background Art

[0002] Elastic metal sealing ring is a kind of sealing element widely used in machinery, aviation, automobile, petrochemical and other fields. Its superior elasticity, high temperature resistance, corrosion resistance and good sealing performance make it an important component in key equipment and systems.

[0003] The existing sealing ring processing technology uses multiple sets of complex stamping dies and multiple processing steps to complete the production process of a sealing ring. These traditional processes often require multiple stampings, frequent mold changes and high production costs, resulting in low processing efficiency and cumbersome production processes. For example, a Chinese patent discloses "an elastic metal sealing ring processing mold", and its application number is "CN202321786813.9". It uses two sets of stamping dies and can be completed after two stampings, which simplifies the processing process, reduces processing costs, and has high processing efficiency. However, its mold design accuracy is low, which affects the quality of the sealing ring. After the elastic metal sealing ring is processed, it is difficult to quickly form, which reduces production efficiency. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide an elastic metal sealing ring processing mold. Through the cooperation of a positioning ring, a fixing ring, a spring, a limiting plate, a pressure plate, and a cooling groove, the positioning ring and the fixing ring clamp the elastic metal sealing ring according to the shape of the elastic metal sealing ring. The fit between the pressure plate and the limiting plate prevents the fixing ring from falling off. At the same time, the spring gives the fixing ring a certain elastic pressure, thereby reducing the processing error, ensuring the uniform forming of the sealing ring, and improving the processing accuracy and production efficiency. The design of the cooling groove and the groove at the bottom effectively optimizes the cooling effect, prevents the processing error caused by overheating, and extends the service life of the mold. At the same time, it can also make the elastic metal sealing ring quickly cool down and can be formed. The pull rod and the rubber head are convenient. After the processing is completed, the elastic metal sealing ring is difficult to disassemble, and the pull rod and the rubber head support the inner ring of the elastic metal sealing ring so that it falls off.

[0005] The utility model also provides a processing mold for an elastic metal sealing ring, comprising: an upper mold, a protrusion and a pressure plate are fixedly connected to the lower surface of the upper mold, and a punching device body is fixedly connected to the upper surface of the upper mold; a lower mold, a guide column is fixedly connected to the upper surface of the lower mold, a placement groove is arranged on the lower mold, a positioning ring and a fixing ring are arranged on both sides of the placement groove, a sealing ring body is arranged between the positioning ring and the fixing ring, a push rod is arranged inside the positioning ring, a pull rod is fixedly connected to the outer side of the fixing ring, a spring and a limit plate are arranged on the pull rod, and a cooling groove and a groove are arranged inside the lower mold. Through the above device, through the cooperation of the positioning ring, the fixing ring, the spring, the limit plate, the pressure plate, and the cooling groove, the metal sealing ring is squeezed on both sides, so that the metal sealing ring is fixed, and the pressure plate is prevented from detaching, which effectively improves the processing accuracy of the elastic metal sealing ring, reduces the deviation of the mold during the processing, and the cooling groove prolongs the service life of the mold, while allowing the sealing ring to be quickly shaped.

[0006] According to the elastic metal sealing ring processing die described in the utility model, the pressing plate is located on the inner ring of the upper die, and the pressing plate is provided with a notch. Through the above device, the pressing plate and the notch are used to apply uniform pressure to the sealing ring during the stamping process, and the notch design enables the pressing plate to be stuck on the pull rod.

[0007] According to the elastic metal sealing ring processing mold described in the utility model, the guide column is fitted with the inner ring of the upper mold, and the guide column is located on the inner side of the lower mold. Through the above device and the position of the guide column, the upper mold and the lower mold are aligned during the stamping process to ensure the accuracy and stability of the processing.

[0008] According to the elastic metal sealing ring processing mold described in the utility model, the placement groove is located on the outside of the guide column, and the positioning ring, the fixing ring and the sealing ring body are located inside the placement groove. Through the above device, the sealing ring body and related accessories are placed through the placement groove to ensure the accurate positioning of the sealing ring during the processing.

[0009] According to the elastic metal sealing ring processing mold described in the utility model, the upper surfaces of the positioning ring, the fixing ring and the sealing ring body are fitted with the convex block, the sealing ring body is in a U-shape, the outer ring of the positioning ring is in the same shape as the positioning ring, and the fixing ring is in the same shape as the U-shaped bottom of the sealing ring body. Through the above device, the sealing ring body can be accurately positioned and fixed by the shapes of the positioning ring and the fixing ring.

[0010] According to the elastic metal sealing ring processing mold described in the utility model, a rubber head is arranged on the pull rod, the pull rod passes through the positioning ring and the lower mold, and the rubber head fits the outer ring of the sealing ring body. Through the above device, the sealing ring body can be easily disassembled through the rubber head.

[0011] According to the elastic metal sealing ring processing mold described in the utility model, the side surface of the inner ring of the lower mold is fixedly connected to a base, the spring is located between the limit plate and the base, and the inner surface of the limit plate is in contact with the outer surface of the pressure plate. Through the above device, through the base, spring and limit plate, it is convenient to give elastic pressure to the fixed ring to clamp the fixed sealing ring body.

[0012] According to the elastic metal sealing ring processing mold described in the utility model, the cooling groove is located below the placement groove, the cooling groove is provided with a liquid inlet hole, the groove is provided with a liquid outlet hole, and the liquid inlet hole and the liquid outlet hole are both provided with plugs. Through the above device, coolant can be easily added through the cooling groove and the liquid inlet hole and the liquid outlet hole to cool the sealing ring body and quickly form it.

[0013] Beneficial Effects

[0014] Compared with the prior art, the mold for processing an elastic metal sealing ring uses the cooperation of a positioning ring, a fixing ring, a spring, a limiting plate, a pressure plate and a cooling groove. The positioning ring and the fixing ring clamp the elastic metal sealing ring according to the shape of the elastic metal sealing ring. The fit between the pressure plate and the limiting plate prevents the fixing ring from falling off. At the same time, the spring gives the fixing ring a certain elastic pressure, thereby reducing processing errors, ensuring uniform forming of the sealing ring, and improving processing accuracy and production efficiency. The design of the cooling groove and the groove at the bottom effectively optimizes the cooling effect, prevents processing errors caused by overheating, and extends the service life of the mold. At the same time, it can also make the elastic metal sealing ring quickly cool down and form. The pull rod and the rubber head are convenient. After the processing is completed, the elastic metal sealing ring is difficult to disassemble, and the pull rod and the rubber head hold the inner ring of the elastic metal sealing ring so that it falls off. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is a front view of a mold for processing an elastic metal sealing ring of the utility model;

[0017] Figure 2 The utility model is a mold for processing the elastic metal sealing ring Figure 1 Front section view;

[0018] Figure 3 For the elastic metal sealing ring processing mold of the utility model Figure 2 Enlarged view of point A in the middle;

[0019] Figure 4 For the elastic metal sealing ring processing mold of the utility model Figure 2 Enlarged view of point B in the middle.

[0020] Legend:

[0021] 1. Upper die; 2. Lower die; 3. Stamping device body; 4. Bump; 5. Placement groove; 6. Positioning ring; 7. Sealing ring body; 8. Ejector rod; 9. Rubber head; 10. Fixed ring; 11. Pull rod; 12. Base; 13. Spring; 14. Limit plate; 15. Press plate; 16. Guide column; 17. Cooling groove; 18. Liquid inlet hole; 19. Groove; 20. Liquid outlet hole. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4 The utility model embodiment is a kind of elastic metal sealing ring processing mold, which includes: an upper mold 1, the upper mold 1 is responsible for the stamping operation as a whole, the lower surface of the upper mold 1 is fixedly connected with a protrusion 4 and a pressure plate 15, the protrusion 4 presses the sealing ring, the pressure plate 15 presses the limit plate, the pressure plate 15 is located on the inner ring of the upper mold 1, and a notch is provided on the pressure plate 15. The upper surface of the upper mold 1 is fixedly connected with a stamping device body 3, the stamping device body 3 is a prior art and will not be described here.

[0024] The lower mold 2 has a guide column 16 fixedly connected to its upper surface, which ensures accurate positioning and guiding of the upper mold 1 during processing. The guide column 16 fits with the inner ring of the upper mold 1, and the guide column 16 is located on the inner side of the lower mold 2. A placement groove 5 is provided on the lower mold 2, and the placement groove 5 places and fixes the assembly parts of the sealing ring. Positioning rings 6 and fixing rings 10 are provided on both sides of the placement groove 5. The positioning rings 6 and the fixing rings 10 ensure accurate positioning and stable fixation of the sealing ring body 7. A sealing ring body 7 is provided between the positioning ring 6 and the fixing ring 10, and the sealing ring body 7 provides a sealing function. The placement groove 5 is located on the outer side of the guide column 16, and the positioning ring 6, the fixing ring 10 and the sealing ring body 7 are located inside the placement groove 5. The upper surfaces of the positioning ring 6, the fixing ring 10 and the sealing ring body 7 fit with the protrusion 4. The sealing ring body 7 is U-shaped, and the outer ring of the positioning ring 6 is the same shape as the positioning ring 6, and the fixing ring 10 is the same shape as the U-shaped bottom of the sealing ring body 7. A push rod 8 is arranged inside the positioning ring 6, and the push rod 8 is convenient for detaching from the sealing ring body 7 after processing. A pull rod 11 is fixedly connected to the outside of the fixing ring 10, and the pull rod 11 moves the fixing ring 10. A rubber head 9 is arranged on the pull rod 11, and the pull rod 11 passes through the positioning ring 6 and the lower mold 2. The rubber head 9 fits with the outer ring of the sealing ring body 7. A spring 13 and a limit plate 14 are arranged on the pull rod 11. The inner ring side surface of the lower mold 2 is fixedly connected with a base 12, and the spring 13 is located between the limit plate 14 and Between the base 12, the inner surface of the limit plate 14 is fitted with the outer surface of the pressure plate 15, and the lower mold 2 is provided with a cooling groove 17 and a groove 19. The cooling groove 17 and the groove 19 cool the mold and quickly cool down the sealing ring body 7 to shape it. The cooling groove 17 is located below the placement groove 5. The cooling groove 17 is provided with a liquid inlet hole 18, and the groove 19 is provided with a liquid outlet hole 20. The liquid inlet hole 18 and the liquid outlet hole 20 are both provided with plugs, which control and maintain the flow state of the coolant.

[0025] Working principle: When in use, the upper mold 1 is responsible for the stamping operation, and the protrusion 4 on its lower surface presses the sealing ring through the pressing plate 15. The sealing ring body 7 is located in the placement groove 5, and the positioning ring 6 and the fixing ring 10 ensure its stable fixation and accurate position. The stamping device body 3 applies force so that the protrusion 4 of the upper mold 1 presses the sealing ring body 7 to ensure its shape and sealing performance. At the same time, the guide column 16 ensures the accurate positioning and guidance of the upper mold 1 during the processing to prevent it from deviating or swinging. The pressing plate 15 fits with the limit plate 14 to prevent the fixing ring 10 from moving. The spring 13 on the pull rod 11 provides elastic pressure to improve the fixing effect of the fixing ring 10. The cooling groove 17 and the groove 19 use a liquid cooling system to quickly cool down the sealing ring body 7, help it to solidify, and cool down the mold to extend its service life. Finally, after the stamping process is completed, the ejector 8 squeezes the sealing ring body 7 through the rubber head 9 for easy disassembly.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An elastic metal sealing ring processing mold, characterized in that: include: An upper die (1), wherein a convex block (4) and a pressing plate (15) are fixedly connected to the lower surface of the upper die (1), and a punching device body (3) is fixedly connected to the upper surface of the upper die (1); A lower mold (2), wherein a guide column (16) is fixedly connected to the upper surface of the lower mold (2), a placement groove (5) is provided on the lower mold (2), a positioning ring (6) and a fixing ring (10) are provided on both sides of the placement groove (5), a sealing ring body (7) is provided between the positioning ring (6) and the fixing ring (10), a push rod (8) is provided inside the positioning ring (6), a pull rod (11) is fixedly connected to the outer side of the fixing ring (10), a spring (13) and a limit plate (14) are provided on the pull rod (11), and a cooling groove (17) and a groove (19) are provided inside the lower mold (2).

2. The elastic metal sealing ring processing mold according to claim 1, characterized in that: The pressing plate (15) is located on the inner ring of the upper mold (1), and a notch is provided on the pressing plate (15).

3. The elastic metal sealing ring processing mold according to claim 1, characterized in that: The guide column (16) is fitted with the inner ring of the upper mold (1), and the guide column (16) is located on the inner side of the lower mold (2).

4. The elastic metal sealing ring processing mold according to claim 1, characterized in that: The placement groove (5) is located outside the guide column (16), and the positioning ring (6), the fixing ring (10) and the sealing ring body (7) are located inside the placement groove (5).

5. The elastic metal sealing ring processing mold according to claim 1, characterized in that: The upper surfaces of the positioning ring (6), the fixing ring (10) and the sealing ring body (7) are fitted with the protrusion (4); the sealing ring body (7) is U-shaped; the outer ring of the positioning ring (6) is the same shape as the positioning ring (6); and the U-shaped bottom shapes of the fixing ring (10) and the sealing ring body (7) are the same.

6. The elastic metal sealing ring processing mold according to claim 1, characterized in that: The pull rod (11) is provided with a rubber head (9), the pull rod (11) passes through the positioning ring (6) and the lower mold (2), and the rubber head (9) fits with the outer ring of the sealing ring body (7).

7. The elastic metal sealing ring processing mold according to claim 1, characterized in that: The inner ring side surface of the lower mold (2) is fixedly connected to a base (12), the spring (13) is located between the limit plate (14) and the base (12), and the inner surface of the limit plate (14) is in contact with the outer surface of the pressure plate (15).

8. The elastic metal sealing ring processing mold according to claim 1, characterized in that: The cooling groove (17) is located below the placement groove (5), the cooling groove (17) is provided with a liquid inlet hole (18), the groove (19) is provided with a liquid outlet hole (20), and both the liquid inlet hole (18) and the liquid outlet hole (20) are provided with plugs.

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