Static sealing ring grinding tool

Abstract

The invention belongs to the technical field of sealing ring machining, and particularly discloses a static sealing ring grinding tool which comprises an annular supporting frame and further comprises a sealing ring positioning structure, a sealing ring grinding mechanism and a grinding protection mechanism. Sealing ring grinding mechanisms are symmetrically arranged at the upper end of the sealing ring positioning structure, and grinding protection mechanisms are symmetrically connected to the surface of the sealing ring positioning structure. According to the static sealing ring grinding tool, the sealing ring grinding mechanism is arranged, the sealing ring is wrapped in the middle of the bottom grinding sleeve and the middle of the top grinding sleeve, surrounding grinding of the sealing ring can be achieved by completely wrapping the sealing ring, and then the problem of insufficient progress caused by eccentric grinding can be avoided; and meanwhile, the sealing ring can rotate by being matched with the sealing ring positioning structure, and therefore the purpose of assisting the sealing ring grinding mechanism to conduct surrounding grinding on the sealing ring can be achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of sealing ring processing, and in particular relates to a static sealing ring grinding tool. Background Art

[0002] Nuclear power static seals play a vital role in nuclear power plants, mainly used to prevent the leakage of liquids or gases to ensure the safety and stability of the system. Due to the high temperature, high pressure and radiation conditions in the nuclear power environment, seals are usually made of special materials such as fluororubber (FKM), polytetrafluoroethylene (PTFE) or metal alloys, which are resistant to high temperatures, radiation and chemically stable. Their design must meet strict standards to ensure long-term reliability and durability. During the installation process, the specifications must be strictly followed to avoid leakage or damage, and regular maintenance and inspections must be performed to ensure the good condition of the seals.

[0003] At present, the sealing rings used in nuclear power are often made of annular metal materials, and their processing requires high precision. At the same time, the sealing ring is a wearing part. When the sealing ring is polished, one side of the sealing ring is always in contact with the bearing seat, which will cause eccentric wear of the sealing ring during grinding, and then lead to insufficient processing precision of the sealing ring.

[0004] Therefore, it is necessary to propose a static sealing ring grinding tool to provide a new technical solution to solve the above technical problems. Summary of the invention

[0005] The object of the present invention is to provide a static sealing ring grinding tool. By setting a sealing ring grinding mechanism, the sealing ring is wrapped in the middle of the bottom grinding sleeve and the top grinding sleeve. The sealing ring is completely covered to achieve circumferential grinding of the sealing ring, thereby avoiding the problem of insufficient progress due to eccentric grinding. At the same time, the sealing ring can be rotated by cooperating with the sealing ring positioning structure, thereby achieving the purpose of assisting the sealing ring grinding mechanism to circumferentially grind the sealing ring.

[0006] The technical solution to achieve the purpose of the present invention is:

[0007] A static sealing ring grinding tool, the tool comprising an annular support frame, a sealing ring positioning structure, a sealing ring grinding mechanism and a grinding protection mechanism, the upper end of the annular support frame is provided with a sealing ring positioning structure, and the upper end of the sealing ring positioning structure is symmetrically provided with a sealing ring grinding mechanism;

[0008] The sealing ring positioning structure includes a grinding bearing ring, a motor fixing frame, a first transmission spacing adjustment component, and a rotating transmission component. The upper end of the annular support frame is fixedly connected to the grinding bearing ring, the middle part of the annular support frame is fixedly connected to the motor fixing frame, the bottom surface of the motor fixing frame is connected to the first transmission spacing adjustment component, the rotating transmission component is connected to the first transmission spacing adjustment component, and the rotating transmission component is in contact with the inner ring of the sealing ring;

[0009] The sealing ring grinding mechanism includes a second transmission spacing adjustment component, a movable extension component and a grinding component. The top surface of the motor fixing frame is connected with the second transmission spacing adjustment component. The grinding component is connected to the second transmission spacing adjustment component through the movable extension component. The grinding component includes a bottom grinding sleeve and a top grinding sleeve. The sealing ring is wrapped by the cavity formed by the bottom grinding sleeve and the top grinding sleeve.

[0010] The sealing ring is driven to rotate by rotating the transmission assembly, so that the sealing ring rubs against the inner walls of the bottom grinding sleeve and the top grinding sleeve, and the sealing ring is circumferentially ground.

[0011] Furthermore, the first transmission spacing adjustment component includes a first dual-axis synchronous servo motor, a first threaded transmission rod, a threaded connection seat and a sliding plate. The surface of the grinding bearing ring is symmetrically provided with adjustment guide grooves. The bottom surface of the top of the motor fixing frame is fixedly connected with the first dual-axis synchronous servo motor. The transmission ends on both sides of the first dual-axis synchronous servo motor are rotatably connected with the first threaded transmission rod. The surface of the first threaded transmission rod is symmetrically threaded with two threaded connection seats. The two threaded connection seats are respectively slidably connected to the inner walls of the adjustment guide groove. The top of the threaded connection seat is fixedly connected with a sliding plate, and the sliding plate is slidably connected to the top surface of the grinding bearing ring.

[0012] Furthermore, the rotation transmission assembly includes an active friction wheel fixing frame, a transmission servo motor and an active friction transmission wheel, the top surface of the sliding plate is fixedly connected to the active friction wheel fixing frame, the end of the active friction wheel fixing frame away from the sliding plate is fixedly connected to the transmission servo motor, the transmission end of the transmission servo motor rotates and extends to the middle of the active friction wheel fixing frame, and the transmission end of the transmission servo motor rotates and is connected to the active friction transmission wheel.

[0013] Furthermore, the sealing ring positioning structure also includes a movable extrusion positioning component, which is connected to the first transmission spacing adjustment component, and the movable extrusion positioning component contacts the outer ring of the sealing ring. The sealing ring is positioned by rotating the transmission component and the movable extrusion positioning component, and the sealing ring is squeezed by the movable extrusion positioning component to keep the sealing ring stable.

[0014] Furthermore, the movable extrusion positioning assembly includes a driven friction wheel fixing frame, an axle, a driven friction transmission wheel, a fixed leg, a polished rod, a sliding leg and a return spring, the top surface of the sliding plate is slidably connected to the driven friction wheel fixing frame, the middle part of the driven friction wheel fixing frame is fixedly connected to the axle, the surface of the axle is rotatably connected to the driven friction transmission wheel, the top surface of the sliding plate is symmetrically fixedly connected to the fixed leg, the middle parts of the two fixed legs are fixedly connected to the polished rod, the middle part of the driven friction wheel fixing frame is fixedly connected to the sliding leg, the sliding leg is slidably connected to the surface of the polished rod, the surface of the polished rod is sleeved with a return spring, and the two ends of the return spring are respectively fixedly connected to the fixed leg and the sliding leg.

[0015] Furthermore, the second transmission spacing adjustment component includes a second dual-axis synchronous servo motor, a second threaded transmission rod, an L-shaped guide frame, and a movable guide groove. The top surface of the motor fixing frame is fixedly connected to the second dual-axis synchronous servo motor, and the transmission ends on both sides of the second dual-axis synchronous servo motor are rotatably connected to the second threaded transmission rod. Both sides of the motor fixing frame are symmetrically fixedly connected to the L-shaped guide frame, and the surface of the L-shaped guide frame is provided with a movable guide groove.

[0016] Furthermore, the movable extension component includes a movable adjustment arm, a sliding guide block and a threaded docking rod. The movable adjustment arm is slidably connected to the middle part of the L-shaped guide frame, the movable adjustment arm is threadedly connected to the second threaded transmission rod, the surface of the movable adjustment arm is symmetrically fixedly connected with a sliding guide block, the sliding guide block is slidably connected to the inner wall of the movable guide groove, and the end of the movable adjustment arm away from the second dual-axis synchronous servo motor is threadedly connected to the threaded docking rod.

[0017] Furthermore, the grinding assembly also includes a first connecting rod, an articulated seat, a rotating rod, a torsion spring, a second connecting rod, a clamping block and a clamping plate, the end of the threaded docking rod away from the movable adjusting arm is fixedly connected to the first connecting rod, the end of the first connecting rod away from the threaded docking rod is fixedly connected to the bottom grinding sleeve, the surface of the first connecting rod is fixedly connected to the articulated seat, the middle part of the articulated seat is fixedly connected to the rotating rod, the surface of the rotating rod is rotatably connected to the second connecting rod, the surface of the rotating rod is sleeved with a torsion spring, the two ends of the torsion spring are respectively fixedly connected to the rotating rod and the second connecting rod, the end of the second connecting rod away from the articulated seat is fixedly connected to the top grinding sleeve, the surface of the bottom grinding sleeve is fixedly connected to the clamping block, the surface of the top grinding sleeve is fixedly connected to the clamping plate, the clamping block is clamped to the clamping plate, and the inner walls of the bottom grinding sleeve and the top grinding sleeve are fixedly provided with grinding sandpaper pieces.

[0018] Furthermore, the tool also includes a grinding protection mechanism, and the surface of the sealing ring positioning structure is symmetrically connected with the grinding protection mechanism, and the grinding protection mechanism is located above the sealing ring grinding mechanism.

[0019] Furthermore, the grinding protection mechanism includes a protective baffle, an observation window, a handle and a supporting pole. The top surface of the grinding bearing ring is symmetrically hingedly connected with the protective baffle, the surface of the protective baffle is provided with an observation window, the top surface of the protective baffle is fixedly connected with a handle, the back side of the protective baffle is fixedly connected with a supporting pole, and the end of the supporting pole away from the protective baffle is movably connected to the top surface of the grinding bearing ring.

[0020] The beneficial technical effects of the present invention are:

[0021] 1. A static sealing ring grinding tool provided by the present invention, by setting a sealing ring grinding mechanism, wrapping the sealing ring in the middle of the bottom grinding sleeve and the top grinding sleeve, and completely covering the sealing ring to achieve circumferential grinding of the sealing ring, thereby avoiding the problem of insufficient progress due to eccentric grinding. At the same time, the sealing ring can be rotated by cooperating with the sealing ring positioning structure, thereby achieving the purpose of assisting the sealing ring grinding mechanism to circumferentially grind the sealing ring.

[0022] 2. The present invention provides a static sealing ring grinding tool, which drives the first threaded transmission rod and the second threaded transmission rod respectively through the first double-axis synchronous servo motor and the second double-axis synchronous servo motor, and can adjust the positions of the active friction transmission wheel, the driven friction transmission wheel, the bottom grinding sleeve, and the top grinding sleeve, thereby realizing the grinding of sealing rings with different inner diameters and outer diameters.

[0023] 3. The static sealing ring grinding tool provided by the present invention has a grinding protection mechanism. When the sealing ring is ground, the grinding position of the sealing ring can be shielded by a protective baffle, thereby avoiding the splashing of metal debris and achieving the purpose of protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic diagram of the overall structure of a static seal ring grinding tool provided by the present invention;

[0025] Figure 2 A schematic diagram of the connection structure between an annular support frame and a grinding bearing ring in a static seal ring grinding tool provided by the present invention;

[0026] Figure 3 A schematic diagram of the connection structure between a sealing ring positioning structure and a grinding protection mechanism in a static sealing ring grinding tool provided by the present invention;

[0027] Figure 4 A schematic structural diagram of a sealing ring positioning structure in a static sealing ring grinding tool provided by the present invention;

[0028] Figure 5 A schematic diagram of the structure of a rotating transmission component and a movable extrusion positioning component in a sealing ring positioning structure in a static sealing ring grinding tool provided by the present invention;

[0029] Figure 6 A schematic structural diagram of a grinding protection mechanism in a static seal ring grinding tool provided by the present invention;

[0030] Figure 7 A schematic structural diagram of a sealing ring grinding mechanism in a static sealing ring grinding tool provided by the present invention;

[0031] Figure 8 A schematic structural diagram of a grinding assembly in a sealing ring grinding mechanism in a static sealing ring grinding tool provided by the present invention.

[0032] In the figure: 1, annular support frame; 2, sealing ring positioning structure; 3, sealing ring grinding mechanism; 4, grinding protection mechanism; 5, grinding bearing ring; 6, adjusting guide groove; 7, motor fixing frame; 8, first dual-axis synchronous servo motor; 9, first threaded transmission rod; 10, threaded connection seat; 11, sliding plate; 12, active friction wheel fixing frame; 13, transmission servo motor; 14, active friction transmission wheel; 15, driven friction wheel fixing frame; 16, shaft; 17, driven friction transmission wheel; 18, fixed tripod; 19, polished rod; 20, sliding Moving tripod; 21. reset spring; 22. protective baffle; 23. observation window; 24. second dual-axis synchronous servo motor; 25. second threaded transmission rod; 26. L-shaped guide frame; 27. movable guide groove; 28. movable adjustment arm; 29. ​​sliding guide block; 30. threaded docking rod; 31. first connecting rod; 32. bottom grinding sleeve; 33. hinge seat; 34. rotating rod; 35. torsion spring; 36. second connecting rod; 37. top grinding sleeve; 38. clamping block; 39. clamping plate; 40. handle; 41. supporting pole. DETAILED DESCRIPTION

[0033] The present invention is further described in detail below with reference to the accompanying drawings and embodiments.

[0034] As described in the background technology, the sealing rings used in nuclear power are often made of annular metal materials, and high precision is required during their processing. At the same time, the sealing ring is a wearing part. When the sealing ring is polished, one side of the sealing ring is always in contact with the bearing seat, which will cause eccentric wear of the sealing ring during grinding, and then lead to insufficient processing precision of the sealing ring.

[0035] In order to solve this technical problem, the present invention provides a static sealing ring grinding tool, which is used for grinding static sealing rings for nuclear power.

[0036] Specifically, please refer to Figure 1 The static sealing ring grinding tool specifically includes an annular support frame 1, a sealing ring positioning structure 2, a sealing ring grinding mechanism 3 and a grinding protection mechanism 4. The upper end of the annular support frame 1 is provided with a sealing ring positioning structure 2, and the upper end of the sealing ring positioning structure 2 is symmetrically provided with a sealing ring grinding mechanism 3. The surface of the sealing ring positioning structure 2 is symmetrically connected with the grinding protection mechanism 4, and the grinding protection mechanism 4 is located above the sealing ring grinding mechanism 3.

[0037] The static sealing ring grinding tool provided by the present invention, by setting up a sealing ring grinding mechanism 3, wraps the sealing ring in the middle of the bottom grinding sleeve 32 and the top grinding sleeve 37, and completely covers the sealing ring to achieve circumferential grinding of the sealing ring, thereby avoiding the problem of insufficient progress due to eccentric grinding. At the same time, by cooperating with the sealing ring positioning structure 2, the sealing ring can be rotated, thereby achieving the purpose of assisting the sealing ring grinding mechanism 3 to circumferentially grind the sealing ring.

[0038] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings.

[0039] Embodiment 1:

[0040] Please refer to Figure 2-Figure 5 A static sealing ring grinding tool, whose sealing ring positioning structure 2 includes a grinding bearing ring 5, an adjustment guide groove 6, a motor fixing frame 7, a first transmission spacing adjustment component, a rotating transmission component and a movable extrusion positioning component. The upper end of the annular support frame 1 is fixedly connected with a grinding bearing ring 5, and the surface of the grinding bearing ring 5 is symmetrically provided with an adjustment guide groove 6. The middle part of the annular support frame 1 is fixedly connected with a motor fixing frame 7, and the bottom surface of the motor fixing frame 7 is connected with a first transmission spacing adjustment component. The first transmission spacing adjustment component is connected with a rotating transmission component and an active extrusion positioning component. The positions of the rotating transmission component and the active extrusion positioning component are radially adjusted by the first transmission spacing adjustment component. The rotating transmission component contacts the inner ring of the sealing ring, and the active extrusion positioning component contacts the outer ring of the sealing ring. The sealing ring is positioned by the rotating transmission component and the active extrusion positioning component, and the sealing ring is driven to rotate by the rotating transmission component, and the sealing ring is squeezed by the active extrusion positioning component to keep the sealing ring stable.

[0041] Specifically, the first transmission spacing adjustment component includes a first dual-axis synchronous servo motor 8, a first threaded transmission rod 9, a threaded connection seat 10 and a sliding plate 11. The bottom surface of the top of the motor fixing frame 7 is fixedly connected to the first dual-axis synchronous servo motor 8, and the transmission ends on both sides of the first dual-axis synchronous servo motor 8 are rotatably connected to the first threaded transmission rod 9. The surface of the first threaded transmission rod 9 is symmetrically threadedly connected to two threaded connection seats 10, and the two threaded connection seats 10 are respectively slidably connected to the inner wall of the adjustment guide groove 6. The top of the threaded connection seat 10 is fixedly connected to the sliding plate 11, and the sliding plate 11 is slidably connected to the top surface of the grinding bearing ring 5.

[0042] Specifically, the rotation transmission assembly includes an active friction wheel fixing frame 12, a transmission servo motor 13 and an active friction transmission wheel 14. The top surface of the sliding plate 11 is fixedly connected to the active friction wheel fixing frame 12, and one end of the active friction wheel fixing frame 12 away from the sliding plate 11 is fixedly connected to the transmission servo motor 13. The transmission end of the transmission servo motor 13 rotates and extends to the middle of the active friction wheel fixing frame 12, and the transmission end of the transmission servo motor 13 is rotated and connected to the active friction transmission wheel 14.

[0043] Specifically, the movable extrusion positioning assembly includes a driven friction wheel fixing frame 15, an axle 16, a driven friction transmission wheel 17, a fixed leg 18, a light rod 19, a sliding leg 20 and a reset spring 21. The top surface of the sliding plate 11 is slidably connected to the driven friction wheel fixing frame 15, the middle part of the driven friction wheel fixing frame 15 is fixedly connected to the axle 16, the surface of the axle 16 is rotatably connected to the driven friction transmission wheel 17, the top surface of the sliding plate 11 is symmetrically fixedly connected to the fixed leg 18, the middle parts of the two fixed leg 18 are fixedly connected to the light rod 19, the middle part of the driven friction wheel fixing frame 15 is fixedly connected to the sliding leg 20, the sliding leg 20 is slidably connected to the surface of the light rod 19, the surface of the light rod 19 is sleeved with a reset spring 21, and the two ends of the reset spring 21 are respectively fixedly connected to the fixed leg 18 and the sliding leg 20.

[0044] Through the above structural design, when the device is used, the first double-axis synchronous servo motor 8 is first turned on, and the first double-axis synchronous servo motor 8 drives the first threaded transmission rod 9 to rotate. The rotation of the first threaded transmission rod 9 can drive the threaded connection seat 10 to move forward or backward synchronously on the inner wall of the adjustment guide groove 6. During the movement of the threaded connection seat 10, the sliding plate 11 can be driven to slide on the surface of the grinding bearing ring 5, and then the positions of the active friction transmission wheel 14 and the driven friction transmission wheel 17 on the top surface of the sliding plate 11 can be adjusted. After the position of the active friction transmission wheel 14 is adjusted according to the inner diameter of the sealing ring, the driven friction wheel fixing frames 15 on both sides are pulled outward at the same time, and the driven friction wheel fixing frames 15 are on the top of the sliding plate 11. The sliding footrest 20 slides on the surface of the polished rod 19 while the sliding footrest 20 slides, and the reset spring 21 is squeezed to shrink while the sliding footrest 20 slides, and the sealing ring is placed in the middle of the active friction transmission wheel 14 and the driven friction transmission wheel 17, and then the driven friction wheel fixing frame 15 is loosened, and the driven friction transmission wheel 17 and the active friction transmission wheel 14 are in contact with the inner wall and the outer wall of the sealing ring at the same time, and the transmission servo motor 13 is turned on to drive the active friction transmission wheel 14 to rotate, and the active friction transmission wheel 14 rotates to generate friction force through contact with the inner ring of the sealing ring, and then the sealing ring can be driven to rotate while the active friction transmission wheel 14 rotates, and the driven friction transmission wheel 17 squeezes the outer ring of the sealing ring to keep the sealing ring stable at all times.

[0045] Embodiment 2:

[0046] The static seal ring grinding tool provided in Example 1 is further optimized, specifically, Figure 6-Figure 8 As shown, the sealing ring grinding mechanism 3 includes a second transmission spacing adjustment component, a movable extension component and a grinding component. The top surface of the motor fixing frame 7 is connected to the second transmission spacing adjustment component, and the grinding component and the second transmission spacing adjustment component are connected through the movable extension component.

[0047] Specifically, the second transmission spacing adjustment component includes a second dual-axis synchronous servo motor 24, a second threaded transmission rod 25, an L-shaped guide frame 26, and a movable guide groove 27. The top surface of the motor fixing frame 7 is fixedly connected to the second dual-axis synchronous servo motor 24, and the transmission ends on both sides of the second dual-axis synchronous servo motor 24 are rotatably connected to the second threaded transmission rod 25. Both sides of the motor fixing frame 7 are symmetrically fixedly connected to the L-shaped guide frame 26, and the surface of the L-shaped guide frame 26 is provided with a movable guide groove 27.

[0048] Specifically, the movable extension assembly includes a movable adjustment arm 28, a sliding guide block 29 and a threaded docking rod 30. The movable adjustment arm 28 is slidably connected to the middle part of the L-shaped guide frame 26. The movable adjustment arm 28 is threadedly connected to the second threaded transmission rod 25. The surface of the movable adjustment arm 28 is symmetrically fixedly connected with the sliding guide block 29. The sliding guide block 29 is slidably connected to the inner wall of the movable guide groove 27. The end of the movable adjustment arm 28 away from the second dual-axis synchronous servo motor 24 is threadedly connected with the threaded docking rod 30.

[0049] Specifically, the grinding assembly includes a first connecting rod 31, a bottom grinding sleeve 32, an articulated seat 33, a rotating rod 34, a torsion spring 35, a second connecting rod 36, a top grinding sleeve 37, a clamping block 38 and a clamping plate 39. The end of the threaded docking rod 30 away from the movable adjusting arm 28 is fixedly connected to the first connecting rod 31, the end of the first connecting rod 31 away from the threaded docking rod 30 is fixedly connected to the bottom grinding sleeve 32, the surface of the first connecting rod 31 is fixedly connected to the articulated seat 33, and the center of the articulated seat 33 is fixedly connected to the bottom grinding sleeve 32. The bottom of the hinged seat 33 is fixedly connected to a rotating rod 34, and the surface of the rotating rod 34 is rotatably connected to the second connecting rod 36. The surface of the rotating rod 34 is sleeved with a torsion spring 35, and the two ends of the torsion spring 35 are respectively fixedly connected to the rotating rod 34 and the second connecting rod 36. The end of the second connecting rod 36 away from the hinged seat 33 is fixedly connected to a top grinding sleeve 37, and the surface of the bottom grinding sleeve 32 is fixedly connected to a clamping block 38, and the surface of the top grinding sleeve 37 is fixedly connected to a clamping plate 39, and the clamping block 38 is clamped with the clamping plate 39.

[0050] Specifically, the grinding protection mechanism 4 includes a protection baffle 22, an observation window 23, a handle 40 and a supporting pole 41. The top surface of the grinding support ring 5 is symmetrically hingedly connected with the protection baffle 22. An observation window 23 is provided on the surface of the protection baffle 22. The top surface of the protection baffle 22 is fixedly connected with the handle 40. The back side of the protection baffle 22 is fixedly connected with the supporting pole 41. The end of the supporting pole 41 away from the protection baffle 22 is movably connected to the top surface of the grinding support ring 5.

[0051] Through the above structural design, the first dual-axis synchronous servo motor 8 is turned on and the second dual-axis synchronous servo motor 24 is turned on at the same time. The output end transmission of the second dual-axis synchronous servo motor 24 drives the second threaded transmission rod 25 to rotate. The rotation of the second threaded transmission rod 25 can drive the movable adjustment arm 28 to slide and adjust in the middle of the L-shaped guide frame 26. When the bottom grinding sleeve 32 is extended or contracted to a position matching the sealing ring, the top grinding sleeve 37 cooperates with the second connecting rod 36 to turn upward with the rotating rod 34 as the axis. At the same time, the protective baffle 22 is turned outward, and the sealing ring is placed in the middle of the bottom grinding sleeves 32 on both sides. After completion, the top grinding sleeve will be released. 37 makes the torsion spring 35 drive the second connecting rod 36 and the top grinding sleeve 37 to flip downward to cover and limit the sealing ring, and at the same time press the top grinding sleeve 37 to make the clamping block 38 and the clamping plate 39 buckle, so as to complete the fixation of the sealing ring. After completion, the protective baffle 22 is flipped upward so that the end of the supporting vertical rod 41 away from the protective baffle 22 contacts the top surface of the grinding bearing ring 5, and the transmission servo motor 13 is turned on to drive the sealing ring to rotate by the active friction transmission wheel 14 and the driven friction transmission wheel 17 to rub the sealing ring. While the sealing ring rotates, it rubs against the inner walls of the bottom grinding sleeve 32 and the top grinding sleeve 37, so as to achieve the grinding of the sealing ring.

[0052] The present invention is described in detail above with reference to the accompanying drawings and embodiments, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of ordinary technicians in the field without departing from the purpose of the present invention. The contents not described in detail in the present invention can adopt the existing technology.

Claims

1. A static seal ring grinding tool, comprising an annular support frame (1), characterized in that: It also comprises a sealing ring positioning structure (2), a sealing ring grinding mechanism (3) and a grinding protection mechanism (4), wherein the upper end of the annular support frame (1) is provided with the sealing ring positioning structure (2), and the upper end of the sealing ring positioning structure (2) is symmetrically provided with the sealing ring grinding mechanism (3); The sealing ring positioning structure (2) comprises a grinding bearing ring (5), a motor fixing frame (7), a first transmission spacing adjustment component, and a rotating transmission component. The upper end of the annular support frame (1) is fixedly connected to the grinding bearing ring (5), the middle part of the annular support frame (1) is fixedly connected to the motor fixing frame (7), the bottom surface of the motor fixing frame (7) is connected to the first transmission spacing adjustment component, the rotating transmission component is connected to the first transmission spacing adjustment component, and the rotating transmission component is in contact with the inner ring of the sealing ring; The sealing ring grinding mechanism (3) comprises a second transmission spacing adjustment component, a movable extension component and a grinding component. The top surface of the motor fixing frame (7) is connected to the second transmission spacing adjustment component. The grinding component and the second transmission spacing adjustment component are connected via the movable extension component. The grinding component comprises a bottom grinding sleeve (32) and a top grinding sleeve (37). The sealing ring is wrapped by a cavity formed by the bottom grinding sleeve (32) and the top grinding sleeve (37). The sealing ring is driven to rotate by rotating the transmission assembly, so that the sealing ring rubs against the inner walls of the bottom grinding sleeve (32) and the top grinding sleeve (37), thereby grinding the sealing ring in a circumferential manner.

2. The static seal ring grinding tool according to claim 1, characterized in that: The first transmission spacing adjustment component comprises a first double-axis synchronous servo motor (8), a first threaded transmission rod (9), a threaded connection seat (10) and a sliding plate (11); the surface of the grinding bearing ring (5) is symmetrically provided with an adjustment guide groove (6); the bottom surface of the top end of the motor fixing frame (7) is fixedly connected with the first double-axis synchronous servo motor (8); the transmission ends on both sides of the first double-axis synchronous servo motor (8) are rotatably connected with the first threaded transmission rod (9); the surface of the first threaded transmission rod (9) is symmetrically threadedly connected with two threaded connection seats (10); the two threaded connection seats (10) are respectively slidably connected to the inner wall of the adjustment guide groove (6); the top end of the threaded connection seat (10) is fixedly connected with a sliding plate (11); the sliding plate (11) is slidably connected to the top surface of the grinding bearing ring (5).

3. The static seal ring grinding tool according to claim 2, characterized in that: The rotary transmission assembly comprises an active friction wheel fixing frame (12), a transmission servo motor (13) and an active friction transmission wheel (14); the top surface of the sliding plate (11) is fixedly connected to the active friction wheel fixing frame (12); one end of the active friction wheel fixing frame (12) away from the sliding plate (11) is fixedly connected to the transmission servo motor (13); the transmission end of the transmission servo motor (13) is rotationally extended to the middle of the active friction wheel fixing frame (12); and the transmission end of the transmission servo motor (13) is rotationally connected to the active friction transmission wheel (14).

4. The static seal ring grinding tool according to claim 3, characterized in that: The sealing ring positioning structure (2) also includes a movable extrusion positioning component, which is connected to the first transmission spacing adjustment component, and the movable extrusion positioning component is in contact with the outer ring of the sealing ring. The sealing ring is positioned by rotating the transmission component and the movable extrusion positioning component, and the sealing ring is squeezed by the movable extrusion positioning component to keep the sealing ring stable.

5. The static seal ring grinding tool according to claim 4, characterized in that: The movable extrusion positioning assembly comprises a driven friction wheel fixing frame (15), an axle (16), a driven friction transmission wheel (17), a fixed stand (18), a light rod (19), a sliding stand (20) and a reset spring (21); the top surface of the sliding plate (11) is slidably connected to the driven friction wheel fixing frame (15); the middle part of the driven friction wheel fixing frame (15) is fixedly connected to the axle (16); the surface of the axle (16) is rotatably connected to the driven friction transmission wheel (17); The top surface of the movable plate (11) is symmetrically fixedly connected with a fixed tripod (18), the middle parts of the two fixed tripods (18) are fixedly connected with a light rod (19), the middle part of the driven friction wheel fixed frame (15) is fixedly connected with a sliding tripod (20), the sliding tripod (20) is slidably connected to the surface of the light rod (19), the surface of the light rod (19) is sleeved with a return spring (21), and the two ends of the return spring (21) are respectively fixedly connected to the fixed tripod (18) and the sliding tripod (20).

6. The static seal ring grinding tool according to claim 1, characterized in that: The second transmission spacing adjustment component comprises a second double-axis synchronous servo motor (24), a second threaded transmission rod (25), an L-shaped guide frame (26), and a movable guide groove (27); the top surface of the motor fixing frame (7) is fixedly connected to the second double-axis synchronous servo motor (24); the transmission ends on both sides of the second double-axis synchronous servo motor (24) are rotatably connected to the second threaded transmission rod (25); both sides of the motor fixing frame (7) are symmetrically fixedly connected to the L-shaped guide frame (26); and the surface of the L-shaped guide frame (26) is provided with a movable guide groove (27).

7. The static seal ring grinding tool according to claim 6, characterized in that: The movable extension assembly comprises a movable adjustment arm (28), a sliding guide block (29) and a threaded docking rod (30); the movable adjustment arm (28) is slidably connected to the middle part of the L-shaped guide frame (26); the movable adjustment arm (28) is threadedly connected to the second threaded transmission rod (25); the surface of the movable adjustment arm (28) is symmetrically fixedly connected with the sliding guide block (29); the sliding guide block (29) is slidably connected to the inner wall of the movable guide groove (27); and one end of the movable adjustment arm (28) away from the second dual-axis synchronous servo motor (24) is threadedly connected with the threaded docking rod (30).

8. The static seal ring grinding tool according to claim 7, characterized in that: The grinding assembly further comprises a first connecting rod (31), an articulated seat (33), a rotating rod (34), a torsion spring (35), a second connecting rod (36), a clamping block (38) and a clamping plate (39); one end of the threaded docking rod (30) away from the movable adjusting arm (28) is fixedly connected to the first connecting rod (31); one end of the first connecting rod (31) away from the threaded docking rod (30) is fixedly connected to a bottom grinding sleeve (32); the surface of the first connecting rod (31) is fixedly connected to the articulated seat (33); the middle part of the articulated seat (33) is fixedly connected to the rotating rod (34); the surface of the rotating rod (34) is rotatably connected to the first connecting rod (31); Two connecting rods (36), the surface of the rotating rod (34) is sleeved with a torsion spring (35), the two ends of the torsion spring (35) are respectively fixedly connected to the rotating rod (34) and the second connecting rod (36), one end of the second connecting rod (36) away from the hinge seat (33) is fixedly connected to a top grinding sleeve (37), the surface of the bottom grinding sleeve (32) is fixedly connected with a clamping block (38), the surface of the top grinding sleeve (37) is fixedly connected with a clamping plate (39), the clamping block (38) is clamped with the clamping plate (39), and the inner walls of the bottom grinding sleeve (32) and the top grinding sleeve (37) are fixedly provided with grinding sandpaper.

9. The static seal ring grinding tool according to claim 1, characterized in that: The tool also comprises a grinding protection mechanism (4), the surface of the sealing ring positioning structure (2) is symmetrically connected with the grinding protection mechanism (4), and the grinding protection mechanism (4) is located above the sealing ring grinding mechanism (3).

10. The static seal ring grinding tool according to claim 9, characterized in that: The grinding protection mechanism (4) comprises a protection baffle (22), an observation window (23), a handle (40) and a support pole (41); the top surface of the grinding bearing ring (5) is symmetrically hingedly connected with the protection baffle (22); the surface of the protection baffle (22) is provided with an observation window (23); the top surface of the protection baffle (22) is fixedly connected with the handle (40); the back surface of the protection baffle (22) is fixedly connected with the support pole (41); and one end of the support pole (41) away from the protection baffle (22) is movably connected to the top surface of the grinding bearing ring (5).

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