Processing method of high-sealing flange ball valve

Abstract

The application relates to a machining method of a high-sealing flange ball valve, which is realized based on a machining device of the high-sealing flange ball valve and aims to solve the technical problem of low polishing efficiency of the ball surface of the current high-sealing flange ball valve. The machining device comprises a rack, a moving mechanism, a polishing mechanism, a rotating mechanism and a tensioning structure. The moving mechanism is arranged on one side of the top end of the rack. The polishing mechanism is arranged on the movable end of the moving mechanism. The rotating mechanism is arranged on the other side of the top end of the rack. The tensioning structure comprises a tensioning mechanism and an adjusting mechanism. The tensioning mechanism is arranged in a polishing cavity of the polishing mechanism, the tensioning mechanism is fixedly connected with the output end of the rotating mechanism at one end close to the rotating mechanism, the adjusting mechanism is arranged at one end of the tensioning mechanism away from the rotating mechanism, and the output end of the adjusting mechanism is connected with the adjusting end of the tensioning mechanism. The application has the advantages of clear and compact structure design and high polishing efficiency.

Description

Technical Field

[0001] This invention relates to the technical field of processing equipment for sealing flange ball valves, and more particularly to a processing method for a high-sealing flange ball valve. Background Technology

[0002] Ball valves and gate valves belong to the same type of valve, the difference being that the closing element of a ball valve is a ball. The ball rotates around the valve body's centerline to open and close the valve. Flanged ball valves achieve sealing through the tight contact between the ball and the sealing gasket. The smoothness of the ball surface in a high-seal flanged ball valve is an important factor affecting its sealing performance. A very smooth ball surface can provide a better sealing effect because it reduces friction between the ball and the sealing material, thereby reducing the possibility of leakage. Therefore, during the manufacturing process of high-seal flanged ball valves, the surface of the formed ball needs to be polished.

[0003] Currently, the surface grinding of the ball in high-sealing flange ball valves is mostly accomplished through grinding. Existing ball surface grinding equipment for high-sealing flange ball valves typically includes a rotating mechanism and a grinding structure. After fixing the inner cylindrical surface of the ball using a fixing device, the fixing device is then fixed to the output end of the rotating mechanism. The grinding end of the grinding mechanism is in close contact with the ball surface, and the output end of the rotating mechanism drives the ball to rotate, causing the grinding end of the grinding mechanism to grind the ball surface. After grinding, the fixing device and the ball need to be removed, and then the fixing device is used to fix the inner cylindrical surface of an un-ground ball. This process is repeated, resulting in a cumbersome grinding process and low efficiency. Therefore, we propose a new processing method for high-sealing flange ball valves. Summary of the Invention

[0004] The purpose of this invention is to overcome the shortcomings of the prior art, adapt to practical needs, and provide a processing method for high-sealing flange ball valves to solve the technical problem of low grinding efficiency of the ball surface of current high-sealing flange ball valves.

[0005] To achieve the objective of this invention, the technical solution adopted by this invention is as follows: a processing method for a high-sealing flange ball valve is designed, which is based on a processing device for a high-sealing flange ball valve. The processing device includes a frame, a moving mechanism, a grinding mechanism, a rotating mechanism, and a tensioning structure. The moving mechanism is located on one side of the top of the frame; The grinding mechanism is located at the movable end of the moving mechanism; The rotating mechanism is located on the other side of the top of the frame; The tensioning structure includes a tensioning mechanism and an adjustment mechanism; The tensioning mechanism is arranged in the grinding cavity of the grinding mechanism. The tensioning mechanism includes a mounting block A, which is fixed to the output end of the rotating mechanism. The surface of the mounting block A has a plurality of movable grooves A in an annular and equally spaced structure. A connecting plate is movably connected to the movable grooves A. An arc plate is fixed on the connecting plate. A groove is formed on the arc plate. A friction plate with an arc-shaped structure is embedded in the groove. A placement cavity is formed between the plurality of friction plates. The adjustment mechanism is located at the end of the tensioning mechanism away from the rotating mechanism and is connected to the adjustment end of the tensioning mechanism. The processing method includes the following steps: S1. In the initial state, the tensioning mechanism is in an untensioned state, and the water-passing cylindrical hole in the ball is placed on the placement cavity formed by several friction plates in the untensioned state; S2. The grinding mechanism is moved by the moving mechanism, so that the relative position of the grinding chamber of the grinding mechanism and the tensioning mechanism is fixed. S3. Control the rotating mechanism through an external control mechanism to make the entire tensioning structure and the ball rotate, and then start the grinding mechanism to grind the rotating ball. S4. After the ball is polished, reverse the operation to remove the ball, and repeat the above operation to polish multiple balls.

[0006] Preferably, the moving mechanism includes a counteracting lead screw and a motor A. The counteracting lead screw is disposed in the slide cavity, and both ends of the counteracting lead screw are rotatably connected to the two ends of the slide cavity axially via bearings. Both ends of the counteracting lead screw are threadedly connected to movable blocks, and a slide seat is fixedly provided at the top of the movable block. A slide groove is opened at the top of the slide seat. The motor A is fixedly disposed on one side of the frame relative to the counteracting lead screw, and the output shaft of the motor A passes through the side wall of the frame and is fixedly connected to the counteracting lead screw.

[0007] Preferably, the grinding mechanism includes two mounting blocks arranged symmetrically, the mounting blocks being positioned above the slide groove, and each of the two mounting blocks having a slider at its bottom end on the opposite side. The slider is slidably connected to the slide groove, and the end of the slider away from the other slider is elastically connected to the corresponding end of the slide groove by a plurality of springs A. Each of the two mounting blocks has a mounting cavity A at its opposite end, and a grinding component is arranged in the mounting cavity A. Semi-circular through holes A are provided at both ends of the mounting blocks.

[0008] Preferably, the grinding assembly is composed of several grinding blocks, each grinding block having several countersunk holes evenly formed on it. The mounting cavity A has a threaded hole at a position opposite to the countersunk hole. The countersunk hole and the threaded hole are detachably fixedly connected by bolts. Each of the two grinding blocks located on both sides has a semi-circular through hole B, which is connected to the semi-circular through hole A. The gaps between the several grinding blocks form a hemispherical grinding cavity. The grinding blocks are arranged in an inclined structure.

[0009] Preferably, the rotating mechanism includes a motor B, which is fixedly mounted on the top of the frame away from the slide cavity via a mounting base. A rotating seat is arranged in the gap between the motor B and the slide cavity and is fixedly connected to the top of the frame. A rotating shaft is rotatably connected to the rotating seat via a bearing. The two ends of the rotating shaft are fixedly connected to the output shaft of the motor B and the end of the tensioning mechanism near the rotating shaft, respectively.

[0010] Preferably, the mounting block A has a circular cavity at the end away from the rotating shaft, and a movable groove B is formed on the circular cavity relative to the movable groove A. A linkage block is provided inside the circular cavity, and a plurality of arc-shaped movable grooves C are formed on the linkage block in a ring-shaped, equally spaced structure. The number of movable grooves C is equal to the number of movable grooves A. A linkage column is rotatably provided on the side of the arc plate near the movable groove C. The end of the linkage column near the movable groove C passes through the movable groove B and is movably connected to the movable groove C. The linkage column is movably connected to the movable groove B.

[0011] Preferably, the adjusting mechanism includes a mounting block B, a connecting shaft A, two connecting shafts B, and a protrusion. The mounting block B is fixed to the end of the mounting block A away from the rotating shaft. The mounting block B has a mounting cavity B. The connecting shaft A is rotatably mounted on the upper part of the end of the mounting cavity B near the linkage block. The end of the connecting shaft A near the linkage block extends out of the mounting cavity B and is fixedly connected to the linkage block. A locking gear is fixed on the connecting shaft A. A connecting shaft C is fixed to the end of the locking gear away from the linkage block. The connecting shaft C extends out of the mounting cavity B to the outside of the mounting block B and has a protrusion. The screw groove and two connecting shafts B are symmetrically arranged and rotatably disposed at the lower part of the mounting cavity B near the linkage block. A locking rod is rotatably provided on the connecting shaft B. The top of the locking rod has a locking tooth groove, which meshes with the locking gear. The opposite ends of the two locking rods have locking arc grooves. The locking rods are elastically connected to the side wall of the mounting cavity B by springs B. The protrusion is disposed in the gap between the two locking rods. A connecting shaft D is fixed at the end of the protrusion away from the linkage block. The connecting shaft D extends out of the mounting cavity B to the outside of the mounting column block B and is fixed with an adjusting handle. The protrusion has an elliptical cross-section, and its two ends are respectively engaged with the two snap-fit ​​arc grooves.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. This invention, by setting a tensioning structure, allows the tensioning mechanism of the tensioning structure to be adjusted by an adjustment mechanism, enabling the tensioning mechanism to either fix the water-passing cylindrical hole in the ball or allow relative movement. A moving mechanism drives the grinding mechanism to move to an appropriate position, and a rotating mechanism drives the entire tensioning structure and the ball to rotate, allowing the grinding mechanism to grind the rotating ball. The ball can be removed and placed for grinding with only simple adjustment of the adjustment mechanism, simplifying the process, improving the ball grinding effect, and solving the technical problem of low ball surface grinding efficiency in current high-sealing flange ball valves.

[0013] 2. This invention, through the design of the grinding mechanism, allows two movable blocks and slides to move closer together along opposing lead screw seats. The two mounting blocks and grinding components of the grinding mechanism move accordingly. Before the mounting blocks move, the two sliders, under the elastic action of corresponding springs A, contact one end of each of the two sliding grooves. As the two mounting blocks and grinding components move closer together until they contact each other, the grinding cavities on the two grinding components automatically push the ball into the grinding cavity formed by the two grinding cavities, completing the positioning and eliminating the error rate of manual alignment. After the two mounting blocks contact, the sliders slide along the sliding grooves, compressing springs A until the two slides contact. The use of springs A allows the grinding components to gradually grind the ball surface in a centripetal direction when the ball surface roughness is high, until the two grinding components contact and grind the ball surface to a fixed size, improving the grinding efficiency and effect of the ball surface.

[0014] 3. This invention, by setting the grinding assembly into a modular structure composed of several grinding blocks, avoids replacing the entire grinding assembly when grinding a large number of balls. This is because the unevenness of the ball surface leads to excessive wear on some grinding blocks, requiring replacement of those blocks. This improves economic efficiency. Furthermore, the inclined arrangement of the grinding blocks ensures that each block can grind every position on the rotating ball surface, preventing gaps between adjacent grinding blocks from failing to grind the ball surface and ensuring a good grinding effect. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram showing the overall structure of the present invention in use. Figure 3 This is a schematic cross-sectional view of the overall structure of the present invention; Figure 4 This is a schematic diagram of the grinding mechanism of the present invention; Figure 5 This is a schematic diagram of the disassembled structure of the polishing component of the present invention; Figure 6 This is a partial structural schematic diagram of the present invention; Figure 7 This is a schematic diagram showing the cross-sectional structure of the tensioning structure of the present invention. Figure 8 for Figure 7 A magnified schematic diagram of a local structure; Figure 9 for Figure 8 A magnified schematic diagram of a local structure; In the diagram: 1. Frame; 2. Moving mechanism; 3. Grinding mechanism; 4. Rotating mechanism; 5. Tensioning structure; 6. Tensioning mechanism; 7. Adjusting mechanism; 11. Glide cavity; 21. Opposing lead screw; 22. Moving block; 23. Slide; 24. Slide groove; 25. Motor A; 30. Spring A; 31. Mounting block; 32. Slider; 33. Mounting cavity A; 34. Grinding assembly; 35. Semi-circular through hole A; 36. Threaded hole; 41. Motor B; 42. Rotary base; 43. Rotary shaft; 60. Movable groove C; 61. Mounting column block A; 62. Movable groove A; 63. Connecting plate; 64. Arc plate; 65. Embedded groove; 66. Friction plate; 67. Circular cavity; 68. Movable groove B; 69. Linkage block; 610. Linkage column; 70. Protrusion; 71. Mounting block B; 72. Connecting shaft A; 73. Connecting shaft B; 74. Mounting cavity B; 75. Snap-fit ​​gear; 76. Connecting shaft C; 77. Threaded groove; 78. Snap-fit ​​rod; 79. Snap-fit ​​tooth groove; 710. Snap-fit ​​arc groove; 711. Spring B; 712. Connecting shaft D; 713. Adjustable handrail; 341. Grinding block; 342. Countersunk hole; 343. Semi-circular through hole B; 344. Grinding cavity. Detailed Implementation

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments: Example

[0017] This embodiment provides a processing apparatus for a high-sealing flange ball valve, see [link / reference]. Figures 1 to 9 The processing device includes a frame 1, a moving mechanism 2, a grinding mechanism 3, a rotating mechanism 4, and a tensioning structure 5; A sliding cavity 11 is provided on one side of the top of the frame 1.

[0018] Specifically, the moving mechanism 2 is arranged on one side of the top of the frame 1. The moving mechanism 2 includes a counteracting lead screw 21 and a motor A25. The counteracting lead screw 21 is located in the slide cavity 11. Both ends of the counteracting lead screw 21 are rotatably connected to the two ends of the slide cavity 11 axially via bearings. Both ends of the counteracting lead screw 21 are threadedly connected to movable blocks 22. A slide seat 23 is fixedly provided at the top of the movable block 22. A slide groove 24 is opened at the top of the slide seat 23. The motor A25 is fixedly located on one side of the frame 1 relative to the counteracting lead screw 21. The output shaft of the motor A25 passes through the side wall of the frame 1 and is fixedly connected to the counteracting lead screw 21. Through the above arrangement, the output shaft of the motor A25 is rotated by an external control mechanism, causing the counteracting lead screw 21 to rotate. This causes the two movable blocks 22 and the slide seat 23 to move closer to each other along the counteracting lead screw 21. The setting of the counteracting lead screw 21 ensures the track for the relative movement of the two movable blocks 22, so that the relative position of the grinding cavity of the grinding mechanism 3 and the tensioning mechanism 6 is fixed, thereby ensuring the grinding effect of the ball.

[0019] Furthermore, the grinding mechanism 3 is arranged at the movable end of the moving mechanism 2; the grinding mechanism 3 includes two mounting blocks 31 arranged in a symmetrical structure. The mounting blocks 31 are located above the slide groove 24. Each of the two mounting blocks 31 has a slider 32 at its bottom end on the side away from each other. The slider 32 is slidably connected to the slide groove 24. The end of the slider 32 away from the other slider 32 is elastically connected to the corresponding end of the slide groove 24 by several springs A30. Each of the two mounting blocks 31 has a mounting cavity A33 at its side closer to each other. The grinding component 34 is arranged in the mounting cavity A33. Semi-circular through holes A35 are opened at both ends of the mounting blocks 31. Through the above arrangement, the two movable blocks 22 and the slide block 23 move relatively close to each other along the opposing lead screw 21. The two mounting blocks 31 and the grinding assembly 34 of the grinding mechanism 3 move accordingly. Before the mounting blocks 31 move, the two sliders 32 are in contact with the relatively close ends of the two slide grooves 24 under the elastic action of the corresponding springs A30. During the process of the two mounting blocks 31 and the grinding assembly 34 moving relatively close to each other until they contact, the grinding cavities on the two grinding assemblies 34 automatically push the ball into the grinding cavity formed by the two grinding cavities 344, completing the limiting. After the two mounting blocks 31 contact, the sliders 32 slide along the slide grooves 24, causing the springs A30 to compress until the two slide blocks 23 contact. Through the setting of the springs A30, when the surface roughness of the ball is high, the grinding assembly 34 can gradually grind the surface of the ball in the centripetal direction until the two grinding assemblies 34 contact and grind the surface of the ball to a fixed size.

[0020] The grinding assembly 34 is composed of several grinding blocks 341. Several countersunk holes 342 are evenly opened on the grinding blocks 341. Threaded holes 36 are opened on the mounting cavity A33 at positions relative to the countersunk holes 342. The countersunk holes 342 and the threaded holes 36 are detachably fixedly connected by bolts. Semicircular through holes B343 are opened on the two grinding blocks 341 located on both sides. Semicircular through holes B343 are connected to semicircular through holes A35. The gaps between the grinding blocks 341 form a hemispherical grinding cavity 344. The grinding blocks 341 are arranged in an inclined structure. This invention, by setting the grinding assembly 34 to a modular structure composed of several grinding blocks 341, avoids replacing the entire grinding assembly 34 when grinding a large number of balls. This is because the unevenness of the ball surface causes some grinding blocks 341 to wear more and need to be replaced. This improves economic efficiency. Furthermore, the grinding blocks 341 are arranged at an angle, so that several grinding blocks 341 can grind every position on the rotating ball surface, avoiding the situation where the gap between two adjacent grinding blocks 341 cannot grind the ball surface, thus ensuring the grinding effect.

[0021] Furthermore, the rotating mechanism 4 is arranged on the other side of the top of the frame 1. The rotating mechanism 4 includes a motor B41, which is fixed to the top of the frame 1 away from the slide cavity 11 via a mounting base. A rotating seat 42, which is fixedly connected to the top of the frame 1, is arranged in the gap between the motor B41 and the slide cavity 11. A rotating shaft 43 is rotatably connected to the rotating seat 42 via bearings. The two ends of the rotating shaft 43 are fixedly connected to the output shaft of the motor B41 and the end of the tensioning mechanism 6 near the rotating shaft 43, respectively. Through the above arrangement, the present invention enables the output shaft of the motor B41 to rotate under the control of an external control mechanism, thereby causing the rotating shaft 43 to rotate and drive the mounting block B71, resulting in the rotation of the entire tensioning structure 5 and the ball.

[0022] It is worth noting that the tensioning structure 5 includes a tensioning mechanism 6 and an adjusting mechanism 7. The tensioning mechanism 6 is arranged inside the grinding cavity of the grinding mechanism 3. The end of the tensioning mechanism 6 near the rotating mechanism 4 is fixedly connected to the output end of the rotating mechanism 4. The tensioning mechanism 6 includes a mounting block A61, which is fixedly mounted on the rotating shaft 43. The surface of the mounting block A61 has several movable grooves A62 with an annular and equally spaced structure. A connecting plate 63 is movably connected to the movable grooves A62. An arc plate 64 is fixedly mounted on the connecting plate 63. A groove 65 is opened on the arc plate 64, and an arc-shaped friction plate 6 is embedded in the groove 65. 6. A circular cavity 67 is provided at the end of the mounting block A61 away from the rotating shaft 43. A movable groove B68 is provided on the circular cavity 67 relative to the movable groove A62. A linkage block 69 is provided inside the circular cavity 67. A number of arc-shaped movable grooves C60 are provided on the linkage block 69 in a ring-shaped structure with equal spacing. The number of movable grooves C60 is equal to the number of movable grooves A62. A linkage column 610 is rotatably provided on the side of the arc plate 64 near the movable groove C60. The end of the linkage column 610 near the movable groove C60 passes through the movable groove B68 and is movably connected to the movable groove C60. The linkage column 610 is movably connected to the movable groove B68. Through the above arrangement, the linkage block 69 rotates, causing the movable groove C60 to drive the linkage column 610 to move along the movable groove B68 away from the center, causing the connecting plate 63 to move along the movable groove A62 away from the center, so that the arc plate 64 and the friction plate 66 move synchronously. The placement cavity formed by the friction plates 66 expands to form a circular tensioning cavity to tension the water-passing cylindrical hole in the ball. The friction plates 66 deform, and the ball and the friction plates 66 form a relatively fixed state.

[0023] In addition, the adjusting mechanism 7 is located at the end of the tensioning mechanism 6 away from the rotating mechanism 4. The output end of the adjusting mechanism 7 is connected to the adjusting end of the tensioning mechanism 6. The adjusting mechanism 7 includes a mounting block B71, a connecting shaft A72, two connecting shafts B73, and a protrusion 70. The mounting block B71 is fixed at the end of the mounting block A61 away from the rotating shaft 43. The mounting block B71 has a mounting cavity B74. The connecting shaft A72 is rotatably located on the upper part of the mounting cavity B74 near the linkage block 69. The end of the connecting shaft A72 near the linkage block 69 passes through the mounting cavity B74 and is fixedly connected to the linkage block 69. A locking gear 75 is fixed on the connecting shaft A72. The end of the locking gear 75 away from the linkage block 69 is fixed with a connecting shaft. C76, a connecting shaft C76, extends out of the mounting cavity B74 to the outside of the mounting block B71 and has a threaded groove 77. Two connecting shafts B73 are symmetrically arranged and rotatably located at the lower part of the mounting cavity B74 near the linkage block 69. A locking rod 78 is rotatably mounted on the connecting shaft B73. The top of the locking rod 78 has a locking tooth groove 79, which meshes with a locking gear 75. Both locking rods 78 have locking arc grooves 710 at their opposite ends. The locking rods 78 are elastically connected to the side wall of the mounting cavity B74 by a spring B711. A protrusion 70 is located in the gap between the two locking rods 78. A connecting shaft D712 is fixed at the end of the protrusion 70 away from the linkage block 69. The connecting shaft D712 extends out of the mounting cavity. B74 extends to the outside of the mounting block B71 and is fixed with an adjusting handle 713; the protrusion 70 has an elliptical cross-section. Through the above arrangement, inserting a hexagonal screwdriver into the screw groove 77 and rotating it causes the connecting shaft C76, the engaging gear 75, the connecting shaft A72, and the linkage block 69 to rotate. Rotating the adjusting handle 713 causes the connecting shaft D712 to drive the protrusion 70 to rotate, causing the two ends of the elliptical wide portion of the protrusion 70 to slide out of the two engaging arc grooves 710. Under the elasticity of the spring B711, the two engaging rods 78 rotate relatively close to each other along the two connecting shafts B73. The engaging tooth groove 79 meshes with the engaging gear 75, preventing the engaging gear 75 from rotating. Turn, take out the hexagonal screwdriver, and rotate the protrusion 70 so that the two ends of the elliptical wide part of the protrusion 70 slide into the locking arc groove 710 respectively. The two ends of the elliptical wide part of the protrusion 70 respectively drive the two locking rods 78 to rotate relatively far apart along the two connecting shafts B73. The spring B711 is compressed, the locking tooth groove 79 disengages from the locking gear 75, and the locking gear 75 can rotate but cannot rotate. At this time, the tension cavity formed by several friction plates 66 can be indirectly adjusted by the hexagonal screwdriver to indirectly become a placement cavity, so that the ball can be taken out or placed. The two ends of the protrusion 70 are respectively in movable cooperation with the two locking arc grooves 710, so that the protrusion 70 rotates more smoothly relative to the locking rod 78. Example

[0024] This embodiment provides a processing method for a high-sealing flange ball valve, which is based on the processing of the high-sealing flange ball valve in Embodiment 1. In the initial processing stage, the tensioning mechanism 6 is in an untensioned state. The water-passing cylindrical hole in the ball is placed on the placement cavity formed by several friction plates 66 in the untensioned state. The output shaft of motor A25 is rotated by an external control mechanism, causing the opposing lead screw 21 to rotate. This causes the two movable blocks 22 and the slide 23 to move closer together along the opposing lead screw 21. The two mounting blocks 31 and the grinding assembly 34 of the grinding mechanism 3... As the movement continues, before the mounting block 31 moves, the two sliders 32, under the elastic action of the corresponding springs A30, respectively contact one end of the two slide grooves 24. During the process of the two mounting blocks 31 and the grinding components 34 approaching each other until they contact, the hemispherical grinding cavities 344 of the two grinding components 34 automatically push the ball into the spherical grinding cavity formed by the two grinding cavities 344, completing the limiting. After the two mounting blocks 31 contact, the sliders 32 slide along the slide grooves 24, causing the springs A30 to compress until the two slide blocks 23 contact. Inserting a hexagonal screwdriver into the screw groove 77 and rotating it causes the connecting shaft C76, the snap-fit ​​gear 75, the connecting shaft A72, and the linkage block 69 to rotate. This causes the movable groove C60 to drive the linkage column 610 to move along the movable groove B68 away from the center, causing the connecting plate 63 to move along the movable groove A62 away from the center. This causes the arc plate 64 and the friction plate 66 to move synchronously. The placement cavity formed by several friction plates 66 expands to form a circular tensioning cavity, which tensions the water-passing cylindrical hole in the sphere. The friction plate 66 deforms. The ball and several friction plates 66 form a relatively fixed state. Do not loosen the hexagonal screwdriver. Rotate the adjusting handle 713 so that the connecting shaft D712 drives the protrusion 70 to rotate. This causes the two ends of the elliptical wide part of the protrusion 70 to slide out of the two locking arc grooves 710 respectively. Under the elasticity of the spring B711, the two locking rods 78 rotate relatively close to each other along the two connecting shafts B73 respectively. The locking tooth groove 79 meshes with the locking gear 75, causing the locking gear 75 to be unable to rotate. Remove the hexagonal screwdriver. When the convex block 70 is rotated so that the two ends of the elliptical wide part of the convex block 70 slide into the locking arc groove 710 respectively, the two ends of the elliptical wide part of the convex block 70 respectively drive the two locking rods 78 to rotate relatively far apart along the two connecting shafts B73. The spring B711 is compressed, the locking tooth groove 79 disengages from the locking gear 75, and the locking gear 75 can rotate but cannot rotate. At this time, the tension cavity formed by several friction plates 66 can be indirectly adjusted by a hexagonal screwdriver to indirectly become a placement cavity, so that the ball can be taken out or placed. The output shaft of motor B41 is controlled to rotate by an external control mechanism, which causes the rotating shaft 43 to rotate and drive the mounting block B71, causing the entire tensioning structure 5 and the ball to rotate. The ball-shaped grinding chamber formed by the two grinding chambers 344 grinds the rotating ball. After the sphere is polished, reverse the process to remove the sphere, and repeat the above operation to polish multiple spheres.

[0025] The embodiments disclosed in this invention are preferred embodiments, but are not limited thereto. Those skilled in the art can easily understand the spirit of this invention based on the above embodiments and make different extensions and variations, but as long as they do not depart from the spirit of this invention, they are all within the protection scope of this invention.

Claims

1. A method for processing a high-sealing flange ball valve, characterized in that, This is achieved based on a processing device for a high-sealing flange ball valve, the processing device including a frame (1), a moving mechanism (2), a grinding mechanism (3), a rotating mechanism (4) and a tensioning structure (5). The moving mechanism (2) is arranged on one side of the top of the frame (1); The polishing mechanism (3) is arranged at the movable end of the moving mechanism (2). The polishing mechanism (3) includes two mounting blocks (31) arranged in a symmetrical structure. The two mounting blocks (31) are provided with mounting cavities A (33) at one end closer to each other. A polishing component (34) is arranged in the mounting cavity A (33). The polishing assembly (34) is composed of a plurality of polishing blocks (341), and the plurality of polishing blocks (341) are spaced together to form a hemispherical polishing cavity (344), wherein the polishing blocks (341) are arranged in an inclined structure. The rotating mechanism (4) is arranged on the other side of the top of the frame (1); The tensioning structure (5) includes a tensioning mechanism (6) and an adjustment mechanism (7); The tensioning mechanism (6) is arranged in the grinding cavity of the grinding mechanism (3). The tensioning mechanism (6) includes a mounting block A (61). The mounting block A (61) is fixed to the output end of the rotating mechanism (4). The surface of the mounting block A (61) has a ring-shaped, equally spaced structure with several movable grooves A (62). A connecting plate (63) is movably connected to the movable grooves A (62). An arc plate (64) is fixed on the connecting plate (63). A groove (65) is opened on the arc plate (64). A friction plate (66) with an arc-shaped structure is embedded in the groove (65). A placement cavity is formed between several friction plates (66). The adjusting mechanism (7) is located at the end of the tensioning mechanism (6) away from the rotating mechanism (4) and is connected to the adjusting end of the tensioning mechanism (6); The processing method includes the following steps: S1. The tensioning mechanism (6) in the initial state is in an untensioned state, and the water-passing cylindrical hole in the ball is placed on the placement cavity formed by several friction plates (66) in the untensioned state; S2. The grinding mechanism (3) is moved by the moving mechanism (2) so that the relative position of the grinding chamber of the grinding mechanism (3) and the tensioning mechanism (6) is fixed. S3. Control the rotating mechanism (4) through the external control mechanism to make the entire tensioning structure (5) and the ball rotate, and then start the grinding mechanism (3) to grind the rotating ball; S4. After the ball is polished, reverse the operation to remove the ball, and repeat the above operation to polish multiple balls.

2. The processing method of the high-sealing flange ball valve as described in claim 1, characterized in that, A sliding cavity (11) is provided on one side of the top of the frame (1).

3. The processing method of the high-sealing flange ball valve as described in claim 2, characterized in that, The moving mechanism (2) includes a counteracting lead screw (21) and a motor A (25). The counteracting lead screw (21) is located in the slide cavity (11). Both ends of the counteracting lead screw (21) are rotatably connected to the two ends of the slide cavity (11) through bearings. Both ends of the counteracting lead screw (21) are threaded with movable blocks (22). The top of the movable block (22) is fixedly provided with a slide seat (23). The top of the slide seat (23) is provided with a slide groove (24). The motor A (25) is fixedly located on one side of the frame (1) relative to the counteracting lead screw (21). The output shaft of the motor A (25) passes through the side wall of the frame (1) and is fixedly connected to the counteracting lead screw (21).

4. The processing method of the high-sealing flange ball valve as described in claim 3, characterized in that, The mounting block (31) is located above the slide groove (24). Each of the two mounting blocks (31) has a slider (32) at the bottom end of the opposite side. The slider (32) is slidably connected to the slide groove (24). The end of the slider (32) away from the other slider (32) is elastically connected to the corresponding end of the slide groove (24) by several springs A (30). Both ends of the mounting block (31) are provided with semi-circular through holes A (35).

5. The processing method of the high-sealing flange ball valve as described in claim 4, characterized in that, The grinding block (341) is provided with a plurality of countersunk holes (342) evenly distributed. The mounting cavity A (33) is provided with a threaded hole (36) at a position relative to the countersunk hole (342). The countersunk hole (342) and the threaded hole (36) are detachably fixedly connected by bolts. The two grinding blocks (341) located on both sides are provided with a semi-circular through hole B (343). The semi-circular through hole B (343) is connected to the semi-circular through hole A (35).

6. The processing method of the high-sealing flange ball valve as described in claim 5, characterized in that, The rotating mechanism (4) includes a motor B (41), which is fixed to the top of the frame (1) away from the slide cavity (11) by a mounting seat. A rotating seat (42) is arranged in the gap between the motor B (41) and the slide cavity (11) and is fixedly connected to the top of the frame (1). A rotating shaft (43) is rotatably connected to the rotating seat (42) by a bearing. The two ends of the rotating shaft (43) are fixedly connected to the output shaft of the motor B (41) and the end of the tensioning mechanism (6) near the rotating shaft (43), respectively.

7. The processing method of the high-sealing flange ball valve as described in claim 6, characterized in that, The mounting block A (61) has a circular cavity (67) at one end away from the rotating shaft (43). A movable groove B (68) is provided on the circular cavity (67) relative to the movable groove A (62). A linkage block (69) is provided in the circular cavity (67). A plurality of arc-shaped movable grooves C (60) are provided on the linkage block (69) in an annular and equally spaced structure. The number of movable grooves C (60) is equal to the number of movable grooves A (62). A linkage column (610) is rotatably provided on the side of the arc plate (64) near the movable groove C (60). The end of the linkage column (610) near the movable groove C (60) passes through the movable groove B (68) and is movably connected to the movable groove C (60). The linkage column (610) is movably connected to the movable groove B (68).

8. The processing method of the high-sealing flange ball valve as described in claim 7, characterized in that, The adjusting mechanism (7) includes a mounting block B (71), a connecting shaft A (72), two connecting shafts B (73), and a protrusion (70). The mounting block B (71) is fixed at the end of the mounting block A (61) away from the rotating shaft (43). The mounting block B (71) has a mounting cavity B (74). The connecting shaft A (72) is rotatably mounted on the upper part of the mounting cavity B (74) near the linkage block (69). The end of the connecting shaft A (72) near the linkage block (69) extends out of the mounting cavity B (74) and is fixedly connected to the linkage block (69). A snap-fit ​​gear (75) is fixed on the connecting shaft A (72). A connecting shaft C (76) is fixed at the end of the snap-fit ​​gear (75) away from the linkage block (69). The connecting shaft C (76) extends out of the mounting cavity B (74) to the outside of the mounting block B (71) and has a threaded groove. 77), the two connecting shafts B (73) are symmetrically arranged and rotatably disposed at the lower part of the mounting cavity B (74) near the linkage block (69). The connecting shaft B (73) is rotatably provided with a snap-fit ​​rod (78). The top end of the snap-fit ​​rod (78) is provided with a snap-fit ​​tooth groove (79). The snap-fit ​​tooth groove (79) meshes with the snap-fit ​​gear (75). The opposite ends of the two snap-fit ​​rods (78) are provided with snap-fit ​​arc grooves (710). The snap-fit ​​rod (78) is elastically connected to the side wall of the mounting cavity B (74) by a spring B (711). The protrusion (70) is disposed in the gap between the two snap-fit ​​rods (78). The end of the protrusion (70) away from the linkage block (69) is fixedly provided with a connecting shaft D (712). The connecting shaft D (712) extends out of the mounting cavity B (74) to the outside of the mounting column block B (71) and is fixedly provided with an adjusting handle (713). The protrusion (70) has an elliptical cross-section, and the two ends of the protrusion (70) are respectively in movable cooperation with the two snap-fit ​​arc grooves (710).

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