A grinding device for special-shaped valve body forgings

Abstract

The present invention belongs to the technical field of processing special-shaped valve bodies, and specifically relates to a grinding device for special-shaped valve body forgings; it comprises a turntable which can reciprocate horizontally, a clamping mechanism, a dustproof mechanism and a grinding mechanism; the clamping mechanism is arranged on the turntable, and clamps and fixes the special-shaped valve body placed on the turntable; the dustproof mechanism comprises a grinding frame, a screw rod and a retractable dustproof cover; the dustproof cover is used for sealing and protecting the valve flow opening on the special-shaped valve body; the grinding mechanism comprises a grinding roller, and the grinding roller adaptively grinds the gap at the connection of the valve flow opening on the side wall of the special-shaped valve body; the present invention is designed for the special-shaped valve body, and can effectively grind the connection of the pipe mouth of the valve body forging, thereby solving the problem that the existing grinding device is difficult to operate and the grinding effect is poor.

Description

Technical Field

[0001] The invention belongs to the technical field of special-shaped valve body processing, and in particular relates to a special-shaped valve body forging grinding device. Background Art

[0002] Valves are control components in fluid delivery systems and have functions such as shutoff, regulation, flow diversion, non-return, pressure stabilization, flow diversion and overflow pressure relief. Valves can be used to control the flow of various types of fluids such as air, water vapor, various corrosive media, mud, oil, liquid metal and radioactive media. Since valves are often in relatively harsh working conditions and are subjected to high-temperature corrosion and erosion from gasoline, diesel and gas, as well as friction between the valve itself and the valve seat, in order to extend the working time of the valve, the outer surface of the newly produced valve body forging needs to be polished and then plated with an anti-corrosion layer.

[0003] In the prior art, the grinding device is relatively cumbersome to operate and requires manual participation. It is not intelligent and mechanized enough and is prone to safety hazards during operation. It is unable to automatically and quickly grind the valve body forgings. In addition, it is extremely inconvenient to grind the gaps at the joints of the valve body forgings. The grinding dust is easily sucked into the valve body and retained, making it inconvenient to clean. Summary of the invention

[0004] The present invention overcomes the shortcomings of the prior art and proposes a grinding device for special-shaped valve body forgings; the present invention is achieved through the following technical solutions:

[0005] A grinding device for a special-shaped valve body forging comprises a turntable, a clamping mechanism, a dustproof mechanism and a grinding mechanism; the clamping mechanism is arranged on the turntable to clamp and fix the special-shaped valve body placed on the turntable; the turntable is connected to a driving mechanism, and the turntable is driven by the driving mechanism to reciprocate horizontally;

[0006] The dustproof mechanism comprises a grinding frame, a screw and a dust cover; the middle part of the grinding frame is rotatably connected with a screw, the screw is rotatably connected with a sliding block, and the front end of the sliding block is fixedly connected with a dust cover; the screw is connected with a belt driving mechanism, the belt driving mechanism drives the screw to rotate, the screw rotation drives the sliding block to move, and the sliding block moves and drives the dust cover to move together until the dust cover seals and protects the valve flow port on the special-shaped valve body;

[0007] The grinding mechanism includes a grinding roller, the upper and lower ends of the grinding frame are symmetrical and inwardly inclined structures, the upper and lower ends of the grinding frame are provided with limit grooves, a push block and an extrusion block are slidably installed inside the limit groove, a limit spring is fixedly connected between the push block and the extrusion block, and a grinding roller is fixedly connected to the front end of the extrusion block;

[0008] The two side surfaces of the pushing block are fixedly connected with a driving rod, and the two side surfaces of the sliding block are fixedly connected with bearings. The driving frame is rotatably installed on the outer surface of the bearing, and the other end of the driving frame is rotatably connected to the driving rod; when the sliding block moves, the driving frame is pulled by the bearing, and the driving frame moves and pulls the driving rod to move together, and the movement of the driving rod drives the pushing block to move, and the movement of the pushing block drives the extrusion block and the grinding roller to move together until the grinding roller contacts the gap at the connection between the valve flow port on the side wall of the special-shaped valve body; telescopic rods are symmetrically installed inside the grinding frame, and the movable ends of the two telescopic rods are respectively connected to the upper and lower ends of the grinding frame, and the middle side wall of the grinding frame is symmetrically fixedly connected with connecting blocks, and the two sides of the upper and lower ends of the grinding frame are also symmetrically fixedly connected with connecting blocks; extrusion springs are connected between the middle connecting block and the upper and lower connecting blocks on the same side.

[0009] Furthermore, the clamping mechanism includes a clamping plate, a bidirectional threaded rod and a moving rod; the turntable is symmetrically provided with moving grooves, and a bidirectional threaded rod is rotatably installed on the bottom surface of the turntable; the outer surfaces at both ends of the bidirectional threaded rod are meshedly connected with the moving rod, and the moving rod is inserted into the moving groove, and the surfaces of the two moving rods close to each other are symmetrically fixedly connected with clamping plates, and a bidirectional motor is installed on the bottom surface of the turntable, and the output end of the bidirectional motor is fixedly connected to the bidirectional threaded rod.

[0010] Furthermore, the driving mechanism includes a driving motor and a rotating gear; a tooth groove is installed on the outer surface of the turntable, and the outer surface of the tooth groove is meshedly connected with the rotating gear, and the output end of the driving motor is fixedly connected to the rotating gear.

[0011] Furthermore, a guide rail is fixedly connected to the front end surface of the middle part of the grinding frame; and a sliding block is slidably installed inside the guide rail.

[0012] Furthermore, the belt drive mechanism includes a rotating rod, a pulley, a connecting belt and a rotating motor; the output end of the rotating motor is fixedly connected to the rotating rod; pulleys are installed on the end of the rotating rod and the back surface of the grinding frame, a connecting belt is installed between the pulley at the end of the rotating rod and the pulley on the back of the grinding frame on the same side, and the screw rod is fixedly connected to the pulley.

[0013] Furthermore, it also includes a bottom plate, a rotating motor is installed on the top surface of the bottom plate, and a rotating rod is rotatably installed on the top surface of the bottom plate.

[0014] Furthermore, the turntable is arranged above the base plate, and a connecting plate is installed between the turntable and the base plate, the bottom of the connecting plate is fixedly connected to the base plate, and the top of the connecting plate is slidably connected to the turntable.

[0015] Furthermore, the top surface of the bottom plate is symmetrically fixedly connected with support rods, a through slot is opened on the turntable, the top of the support rod passes through the through slot on the turntable and is fixedly connected with a grinding frame, and the grinding frame is located above the turntable as a whole.

[0016] Furthermore, a recycling platform is fixedly connected to the top surface of the turntable, and a control panel is installed on the outer surface of the recycling platform. The driving mechanism, the bidirectional motor and the belt driving mechanism are all electrically controlled and connected by the control panel.

[0017] The beneficial effects of the present invention compared with the prior art are as follows:

[0018] The present invention can clamp and limit the valve body that needs to be polished through the cooperation of the recovery table, the moving groove, the bidirectional threaded rod, the moving rod, the clamping plate and the bidirectional motor to prevent deviation during polishing. The support rod, the polishing frame, the rotating rod, the pulley, the connecting belt and the rotating motor can provide power for polishing the valve body. The guide rail, the sliding block, the screw rod, the dust cover, the driving rod, the bearing and the driving frame can prevent the dust generated by the valve body during polishing from entering the inside of the valve body. The limit groove, the push block, the extrusion block, the limit spring and the polishing roller can be used to polish the gap at the connection of the valve body forging pipe mouth. The polishing device described in the present invention is designed for special-shaped valve bodies and can effectively polish the connection of the valve body forging pipe mouth, solving the problem that the existing polishing device is difficult to operate and has a poor polishing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is one of the overall structural schematic diagrams of the present invention;

[0020] Figure 2 It is a structural schematic diagram of the bidirectional threaded rod at the bottom of the turntable of the present invention;

[0021] Figure 3 This is the second schematic diagram of the overall structure of the present invention;

[0022] Figure 4 It is a structural schematic diagram of the dustproof mechanism of the present invention;

[0023] Figure 5 It is one of the partial structural schematic diagrams of the grinding mechanism of the present invention;

[0024] Figure 6 This is the second partial structural schematic diagram of the grinding mechanism of the present invention.

[0025] In the figure: 1. bottom plate; 2. turntable; 3. connecting plate; 4. tooth groove; 5. rotating gear; 6. driving motor; 7. recovery table; 8. moving groove; 9. two-way threaded rod; 10. moving rod; 11. clamping plate; 12. two-way motor; 13. support rod; 14. grinding frame; 15. rotating rod; 16. pulley; 17. connecting belt; 18. rotating motor; 19. guide rail; 20. sliding block; 21. screw rod; 22. dust cover; 23. limit groove; 24. push block; 25. squeeze block; 26. limit spring; 27. grinding roller; 28. driving rod; 29. ​​bearing; 30. driving frame; 31. control panel; 32. telescopic rod; 33. connecting block; 34. squeeze spring; 35. special-shaped valve body. DETAILED DESCRIPTION

[0026] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention is further described in detail in conjunction with the embodiments and the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. The technical solutions of the present invention are described in detail below in conjunction with the embodiments and the accompanying drawings, but the scope of protection is not limited thereto.

[0027] See also Figures 1 to 6 This embodiment provides a grinding device for a special-shaped valve body forging, which can be used to grind the arc-shaped connecting seam of the valve body side wall for a special-shaped valve body with a connecting pipe on the side wall of the valve body forging; the grinding device includes a bottom plate 1, a clamping mechanism, a dustproof mechanism and a grinding mechanism;

[0028] A turntable 2 is installed above the top surface of the bottom plate 1, and a connecting plate 3 is installed between the turntable 2 and the bottom plate 1. The bottom of the connecting plate 3 is fixedly connected to the bottom plate 1, and the top of the connecting plate 3 is slidably connected to the turntable 2. The turntable 2 is connected to a driving mechanism, and the turntable 2 reciprocates and rotates horizontally under the drive of the driving mechanism.

[0029] The driving mechanism includes a driving motor 6 and a rotating gear 5; a tooth groove 4 is installed on the outer surface of the rotating disk 2, and the outer surface of the tooth groove 4 is meshed with the rotating gear 5, and a driving motor 6 is installed on the top surface of the bottom plate 1, and the output end of the driving motor 6 is fixedly connected to the rotating gear 5. When the driving motor 6 is started, the driving motor 6 drives the rotating gear 5 to rotate, and the rotating gear 5 drives the rotating disk 2 to rotate through the tooth groove 4.

[0030] The center of the turntable 2 is used to place the special-shaped valve body 35 to be polished. The special-shaped valve body 35 includes a central cylindrical body and valve flow ports symmetrically connected to both sides of the cylindrical body. The connection between the valve flow port and the cylindrical body is the position that needs to be polished.

[0031] The top surface of the turntable 2 is provided with a clamping mechanism, which includes a clamping plate 11, a bidirectional threaded rod 9 and a moving rod 10; the turntable 2 is symmetrically provided with moving grooves 8, and the bottom surface of the turntable 2 is rotatably provided with a bidirectional threaded rod 9; the outer surfaces at both ends of the bidirectional threaded rod 9 are meshedly connected with the moving rod 10, and the moving rod 10 is inserted into the moving groove 8, and the surfaces where the two moving rods 10 are close to each other are symmetrically fixedly connected with clamping plates 11, and the bottom surface of the turntable 2 is provided with a bidirectional motor 12, and the output end of the bidirectional motor 12 is fixedly connected with the bidirectional threaded rod 9. Start the bidirectional motor 12, and when the bidirectional motor 12 is running, it drives the bidirectional threaded rod 9 to rotate, and the rotation of the bidirectional threaded rod 9 drives the moving rod 10 meshedly connected at both ends to move, and the moving rod 10 moves in the moving groove 8, driving the clamping plate 11 to move together, until the clamping plate 11 clamps the special-shaped valve body 35.

[0032] A dustproof mechanism is installed on the top surface of the base plate 1, and the dustproof mechanism includes a grinding frame 14, a guide rail 19, a dust cover 22 and a belt drive mechanism; a support rod 13 is symmetrically fixedly connected to the top surface of the base plate 1, a through slot is opened on the turntable 2, the top of the support rod 13 passes through the through slot on the turntable 2 and is fixedly connected to the grinding frame 14, and the grinding frame 14 is located above the turntable 2 as a whole; the belt drive mechanism includes a rotating rod 15, a pulley 16, a connecting belt 17 and a rotating motor 18; a rotating rod 15 is rotatably installed on the top surface of the base plate 1, and pulleys 16 are installed at both ends of the rotating rod 15 and on the back surface of the grinding frame 14, a connecting belt 17 is installed between the pulley 16 at the end of the rotating rod 15 and the pulley 16 on the back of the grinding frame 14 on the same side, a rotating motor 18 is installed on the top surface of the base plate 1, and the output end of the rotating motor 18 is fixedly connected to the rotating rod 15. A guide rail 19 is fixedly connected to the front end surface of the middle part of the grinding frame 14; a slide block 20 is slidably installed inside the guide rail 19, a screw rod 21 is rotatably installed inside the slide block 20, and the screw rod 21 is fixedly connected to the pulley 16, and a dust cover 22 is fixedly connected to the front end surface of the slide block 20. The rotation of the rotating motor 18 drives the rotating rod 15 to rotate, and the rotation of the rotating rod 15 drives the pulley 16 to rotate. The pulleys 16 are connected by the belt 17 to drive the screw rod 21 to rotate, and the rotation of the screw rod 21 drives the slide block 20 to move on the guide rail 19, and the movement of the slide block 20 drives the dust cover 22 to move together, until the dust cover 22 seals and protects the valve flow openings on both sides of the special-shaped valve body 35.

[0033] The grinding mechanism includes a grinding roller 27. The upper and lower ends of the grinding frame 14 are symmetrical and inwardly inclined. The upper and lower ends of the grinding frame 14 are provided with limit slots 23. A push block 24 and an extrusion block 25 are slidably installed inside the limit slot 23. A limit spring 26 is fixedly connected between the push block 24 and the extrusion block 25. A grinding roller 27 is fixedly connected to the front end surface of the extrusion block 25. The front end of the grinding roller 27 is a grinding head, and the grinding roller 27 can be telescopically moved along the axial direction of the limit slot 23.

[0034] The two side surfaces of the push block 24 are fixedly connected with driving rods 28, and the two side surfaces of the slide block 20 are fixedly connected with bearings 29. The outer surface of the bearing 29 is rotatably mounted with a driving frame 30, and the other end of the driving frame 30 is rotatably connected with the driving rod 28. When the slide block 20 moves, the driving frame 30 is pulled by the bearing 29, and the driving frame 30 moves and pulls the driving rod 28 together. The driving rod 28 moves and drives the push block 24 to move. The push block 24 moves and drives the extrusion block 25 and the grinding roller 27 to move together until the grinding roller 27 contacts the gap at the connection of the valve flow port on the side wall of the special-shaped valve body 35. The grinding frame 14 is symmetrically provided with telescopic rods 32, and the movable ends of the two telescopic rods 32 are respectively connected to the upper and lower ends of the grinding frame 14, and the middle side wall of the grinding frame 14 connected to the guide rail 19 is symmetrically fixedly connected with a connecting block 33, and the two sides of the upper and lower ends of the grinding frame 14 are also symmetrically fixedly connected with connecting blocks 33; the middle connecting block 33 and the upper and lower connecting blocks 33 on the same side are connected with a compression spring 34. Through the compression spring 34, the telescopic rod 32 in the grinding frame 14 can be adjusted to expand and contract adaptively to ensure that the surface of the connection between the valve flow port of the special-shaped valve body 35 and the cylindrical barrel is fitted.

[0035] A recycling platform 7 is also fixedly connected to the top surface of the turntable 2 , and a control panel 31 is installed on the outer surface of the recycling platform 7 . The bidirectional motor 12 , the driving motor 6 and the rotating motor 18 are all electrically controlled and connected by the control panel 31 .

[0036] This embodiment proposes a device for grinding special-shaped valve body forgings. The working principle is:

[0037] When the device is needed, first place the special-shaped valve body 35 at the center position on the turntable 2, and then start the bidirectional motor 12. When the bidirectional motor 12 is running, it drives the bidirectional threaded rod 9 to rotate. The rotation of the bidirectional threaded rod 9 drives the moving rod 10 engaged at both ends to move. The moving rod 10 moves in the moving groove 8 and drives the clamping plate 11 to move together until the clamping plate 11 clamps the cylindrical barrel of the special-shaped valve body 35.

[0038] At this time, the rotating motor 18 is started, and the rotating motor 18 drives the rotating rod 15 to rotate. The rotation of the rotating rod 15 drives the pulley 16 to rotate. The pulleys 16 are connected by the belt 17 to drive the screw rod 21 to rotate. The rotation of the screw rod 21 drives the sliding block 20 to move on the guide rail 19. The sliding block 20 moves and drives the dust cover 22 to move together until the dust cover 22 seals and protects the valve flow port of the special-shaped valve body 35. At the same time, when the sliding block 20 moves, it pulls the driving frame 30 through the bearing 29. The driving frame 30 moves and pulls the driving rod 28 to move together. The driving rod 28 moves and drives the pushing block 24 to move. The pushing block 24 moves and drives the extruding block 25 and the grinding roller 27 to move together until the grinding roller 27 contacts the gap at the connection between the valve flow port of the special-shaped valve body 35 and the cylindrical barrel. At this time, the starting positions of the upper and lower grinding rollers 27 are respectively located at the highest point and the lowest point of the gap at the connection.

[0039] Then, the driving motor 6 is started, and the driving motor 6 drives the rotating gear 5 to rotate. The rotating gear 5 rotates through the tooth groove 4 to drive the rotating disk 2 to rotate, so that the rotating disk 2 rotates to one side first, so that the grinding roller 27 is used to grind the gap of the connection on one side. In the initial state of the rotation of the rotating disk 2, the extrusion spring 34 is in an elongated state, and the telescopic rod 32 is in an extended state. As the rotating disk 2 rotates, the grinding head of the grinding roller 27 is clamped and limited by the cylindrical barrel of the special-shaped valve body 35 and the two sides of the valve flow port, the extrusion spring 34 gradually shrinks, and the telescopic rod 32 also gradually shortens, so that the upper and lower grinding rollers 27 on the same side approach each other, that is, gradually approach along the position of the gap at the connection, until the gap on one side of the connection is polished, and then the driving motor 6 is rotated in the opposite direction to grind the gap on the other side of the connection. During the grinding process, the telescopic rod 32 is adaptively adjusted to extend and retract, and the limit spring 26 is adaptively adjusted to adjust the contact position of the grinding roller 27, thereby ensuring that the grinding head of the grinding roller 27 can fit the surface of the gap at the connection.

[0040] The above content is a further detailed description of the present invention in combination with a specific preferred embodiment. It cannot be determined that the specific embodiments of the present invention are limited to this. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the present invention, which should be regarded as belonging to the present invention and the scope of patent protection determined by the submitted claims.

Claims

1. A grinding device for special-shaped valve body forgings, characterized in that: The invention comprises a rotating disk (2), a clamping mechanism, a dust prevention mechanism and a grinding mechanism; the clamping mechanism is arranged on the rotating disk (2) to clamp and fix the special-shaped valve body (35) placed on the rotating disk (2); the rotating disk (2) is connected to a driving mechanism, and the rotating disk (2) is driven by the driving mechanism to perform reciprocating horizontal rotation; The dustproof mechanism comprises a grinding frame (14), a screw (21) and a dustproof cover (22); the grinding frame (14) is rotatably connected to the middle part of the screw (21), the screw (21) is rotatably connected to the slide block (20), and the front end of the slide block (20) is fixedly connected to the dustproof cover (22); the screw (21) is connected to a belt driving mechanism, the belt driving mechanism drives the screw (21) to rotate, the screw (21) rotates to drive the slide block (20) to move, and the slide block (20) moves to drive the dustproof cover (22) to move together, until the dustproof cover (22) seals and protects the valve flow port on the special-shaped valve body (35); The grinding mechanism comprises a grinding roller (27); the upper and lower ends of the grinding frame (14) are symmetrical and inwardly inclined; the upper and lower ends of the grinding frame (14) are provided with limit grooves (23); a push block (24) and an extrusion block (25) are slidably mounted inside the limit grooves (23); a limit spring (26) is fixedly connected between the push block (24) and the extrusion block (25); and the front end of the extrusion block (25) is fixedly connected with a grinding roller (27); The surfaces of both sides of the push block (24) are fixedly connected to drive rods (28), the surfaces of both sides of the slide block (20) are fixedly connected to bearings (29), the outer surfaces of the bearings (29) are rotatably mounted with a drive frame (30), and the other end of the drive frame (30) is rotatably connected to the drive rod (28); when the slide block (20) moves, the drive frame (30) is pulled by the bearings (29), the drive frame (30) moves and pulls the drive rod (28) to move together, the drive rod (28) moves to drive the push block (24), and the push block (24) moves to drive the extrusion block (25) and the grinding roller (26). 7) until the grinding roller (27) contacts the gap at the connection of the valve flow opening on the side wall of the special-shaped valve body (35); telescopic rods (32) are symmetrically installed inside the grinding frame (14), and the movable ends of the two telescopic rods (32) are respectively connected to the upper and lower ends of the grinding frame (14); the middle side wall of the grinding frame (14) is symmetrically fixedly connected with a connecting block (33), and the two sides of the upper and lower ends of the grinding frame (14) are also symmetrically fixedly connected with the connecting blocks (33); the middle connecting block (33) and the upper and lower connecting blocks (33) on the same side are connected with a compression spring (34); The clamping mechanism comprises a clamping plate (11), a bidirectional threaded rod (9) and a moving rod (10); the rotating disk (2) is symmetrically provided with moving grooves (8); a bidirectional threaded rod (9) is rotatably mounted on the bottom surface of the rotating disk (2); the outer surfaces of both ends of the bidirectional threaded rod (9) are meshingly connected with the moving rod (10); the moving rod (10) is inserted into the moving groove (8); the surfaces of the two moving rods (10) close to each other are symmetrically fixedly connected with the clamping plate (11); a bidirectional motor (12) is mounted on the bottom surface of the rotating disk (2), and the output end of the bidirectional motor (12) is fixedly connected to the bidirectional threaded rod (9); The belt drive mechanism comprises a rotating rod (15), a pulley (16), a connecting belt (17) and a rotating motor (18); the output end of the rotating motor (18) is fixedly connected to the rotating rod (15); the end of the rotating rod (15) and the back surface of the grinding frame (14) are both installed with pulleys (16); a connecting belt (17) is installed between the pulley (16) at the end of the rotating rod (15) and the pulley (16) at the back of the grinding frame (14) on the same side; the screw rod (21) is fixedly connected to the pulley (16); and the bottom plate (1) is further included, and the rotating motor (18) is installed on the top surface of the bottom plate (1). The rotating rod (15) is rotatably mounted on the top surface of the base plate (1); the rotating disk (2) is arranged above the base plate (1); a connecting plate (3) is installed between the rotating disk (2) and the base plate (1); the bottom of the connecting plate (3) is fixedly connected to the base plate (1); the top of the connecting plate (3) is slidably connected to the rotating disk (2); the top surface of the base plate (1) is symmetrically fixedly connected with a supporting rod (13); a through groove is provided on the rotating disk (2); the top of the supporting rod (13) passes through the through groove on the rotating disk (2) and is fixedly connected with the grinding frame (14); the grinding frame (14) is located above the rotating disk (2) as a whole.

2. The grinding device for special-shaped valve body forgings according to claim 1, characterized in that: The driving mechanism comprises a driving motor (6) and a rotating gear (5); a tooth groove (4) is installed on the outer surface of the rotating disk (2); the outer surface of the tooth groove (4) is meshingly connected with the rotating gear (5); and the output end of the driving motor (6) is fixedly connected to the rotating gear (5).

3. The grinding device for special-shaped valve body forgings according to claim 1, characterized in that: A guide rail (19) is fixedly connected to the front end surface of the middle portion of the grinding frame (14); and the sliding block (20) is slidably mounted inside the guide rail (19).

4. The grinding device for special-shaped valve body forgings according to claim 1, characterized in that: A recycling platform (7) is also fixedly connected to the top surface of the turntable (2), and a control panel (31) is installed on the outer surface of the recycling platform (7). The driving mechanism, the bidirectional motor (12) and the belt driving mechanism are all electrically controlled and connected by the control panel (31).

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