CN112283362A - High-sealing butterfly valve and machining method thereof - Google Patents

High-sealing butterfly valve and machining method thereof Download PDF

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Publication number
CN112283362A
CN112283362A CN202011261597.7A CN202011261597A CN112283362A CN 112283362 A CN112283362 A CN 112283362A CN 202011261597 A CN202011261597 A CN 202011261597A CN 112283362 A CN112283362 A CN 112283362A
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CN
China
Prior art keywords
valve
valve body
polishing
translation
frame
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Withdrawn
Application number
CN202011261597.7A
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Chinese (zh)
Inventor
吴寿涛
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Tongling Jingwei Fluid Technology Co Ltd
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Tongling Jingwei Fluid Technology Co Ltd
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Application filed by Tongling Jingwei Fluid Technology Co Ltd filed Critical Tongling Jingwei Fluid Technology Co Ltd
Priority to CN202011261597.7A priority Critical patent/CN112283362A/en
Publication of CN112283362A publication Critical patent/CN112283362A/en
Withdrawn legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/226Shaping or arrangements of the sealing
    • F16K1/2261Shaping or arrangements of the sealing the sealing being arranged on the valve member
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B21/00Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/02Machines or devices using grinding or polishing belts; Accessories therefor for grinding rotationally symmetrical surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B21/00Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/18Accessories
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00Other grinding machines or devices
    • B24B27/0023Other grinding machines or devices grinding machines with a plurality of working posts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00Other grinding machines or devices
    • B24B27/0069Other grinding machines or devices with means for feeding the work-pieces to the grinding tool, e.g. turntables, transfer means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00Other grinding machines or devices
    • B24B27/0076Other grinding machines or devices grinding machines comprising two or more grinding tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/005Feeding or manipulating devices specially adapted to grinding machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies
    • B24B41/067Work supports, e.g. adjustable steadies radially supporting workpieces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00Drives or gearings; Equipment therefor
    • B24B47/10Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/12Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00Drives or gearings; Equipment therefor
    • B24B47/20Drives or gearings; Equipment therefor relating to feed movement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/02Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
    • B24B5/06Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces internally
    • B24B5/10Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces internally involving a horizontal tool spindle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/224Details of bearings for the axis of rotation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16NLUBRICATING
    • F16N1/00Constructional modifications of parts of machines or apparatus for the purpose of lubrication

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Abstract

The invention discloses a high-sealing butterfly valve and a processing method thereof, and the butterfly valve comprises a valve body, a valve plate and a valve rod, wherein an oil cavity is arranged at the top of the valve body, the valve plate is rotatably arranged in the valve body, a sealing layer is arranged on the inner wall of the valve body, two arc-shaped grooves are formed in the sealing layer, two rubber pads are arranged on the valve plate, the valve plate is connected with a sealing gasket through the rubber pads, the sealing gasket and the arc-shaped grooves are matched components, two sealing right-angle blocks are arranged in the inner cavity of the valve body, a top sleeve body is arranged at the top of the oil cavity, a rotating handle is arranged on the top sleeve body, the valve rod is fixedly connected with the rotating handle, the valve plate is fixedly connected with the valve rod, the. According to the butterfly valve, due to the design of the rubber pad and the sealing gasket, the valve plate is prevented from being opened and closed normally after the butterfly valve is deformed due to subsequent heating or cooling.

Description

High-sealing butterfly valve and machining method thereof
Technical Field
The invention relates to the technical field of butterfly valve processing, in particular to a butterfly valve with high sealing performance and a processing method thereof.
Background
The butterfly valve is also called a flap valve, is a regulating valve with simple structure, and can be used for the switch control of low-pressure pipeline media. The butterfly valve is a valve whose closing member (valve clack or butterfly plate) is a disk and can be rotated around valve rod to open and close, and can be used for controlling flow of various fluids of air, water, steam, various corrosive media, slurry, oil product, liquid metal and radioactive medium, etc.. The butterfly valve has the advantages of convenient and rapid opening and closing, labor saving, small fluid resistance and frequent operation; the opening and closing moment is small, and the directions of the generated torques are opposite because the butterfly plates on the two sides of the rotating shaft are basically equal under the action of media, so that the opening and closing are labor-saving.
The patent document (CN202010186392.0) discloses a butterfly valve with high sealing performance, which is provided with a buffer spring at the bottom of the butterfly valve and is connected with a rubber pad, so that the vibration can be well reduced in the flowing process of fluid, and the damage of the sealing performance caused by the shaking of the butterfly valve can be avoided, secondly, when the butterfly valve is used, when the fluid flows to the butterfly valve, the fluid is blocked due to the closing of the butterfly plate, so that the fluid is kept still, and enters the balloon along the connecting inclined pipe and the connecting pipe, the balloon is filled, the fit degree of the concave ring on the surface of the butterfly plate is increased through the slight expansion of the balloon, the sealing performance is further increased, meanwhile, after the butterfly plate is opened, the inclined direction of the connecting inclined pipe is along the flowing direction of the fluid, so that the fluid in the butterfly valve can be sucked out due to the suction force generated by the flow speed when the fluid flows, avoiding the residue of liquid. However, the butterfly valve does not consider that the valve plate cannot be opened or closed due to the deformation of the whole butterfly valve caused by heating and cooling. Meanwhile, the inner wall and the outer wall of the valve body in the existing butterfly valve need to be polished twice in the production process, and the existing equipment cannot meet the requirement of double-wall polishing of the valve body in one-time transportation.
Disclosure of Invention
The invention aims to provide a high-sealing butterfly valve and a processing method thereof, and solves the following technical problems: (1) the high-sealing butterfly valve is characterized in that two arc grooves are designed, two rubber pads are arranged on a valve plate, sealing gaskets are arranged on the rubber pads, the sealing gaskets on the valve plate can be matched with the rubber pads to fully fill the arc grooves when the valve plate is closed, and meanwhile, the sealing gaskets, the rubber pads and the sealing right-angle blocks are designed in a matched mode, so that the sealing performance among the sealing gaskets, the rubber pads and the sealing right-angle blocks is guaranteed, the sealing gaskets and the rubber pads form a first-stage sealing structure, the sealing right-angle blocks form a second-stage sealing structure, the sealing performance of the high-sealing butterfly valve is guaranteed, and meanwhile, the valve plate cannot be normally opened and closed after the butterfly valve is deformed due to subsequent; (2) the valve body is placed on a feeding frame of valve body polishing equipment, the valve body rolls to a stop block position through a feeding guide rail, a translation cylinder close to one side of the feeding frame is opened, a translation cylinder piston rod drives a translation plate to move horizontally, the translation plate drives a lifting cylinder to move horizontally, simultaneously, the lifting cylinder pushes a cylinder connecting plate downwards, the cylinder connecting plate drives a pneumatic finger to descend, valve bodies on two arc-shaped clamping plates on the pneumatic finger are clamped, then the translation cylinder piston rod contracts, the two arc-shaped clamping plates on the pneumatic finger drive the valve body to move to the outer ring of an inner wall polishing shell, two limiting cylinders are opened, the two limiting cylinders push the polishing block to move, the polishing block is contacted with the inner wall of the valve body to complete the fixation of the valve body, then a circulating motor is started, an output shaft of the circulating motor drives a belt pulley to rotate, the two belt pulleys drive a circulating, when the valve body moves below the outer ring grinding frame, the guide air cylinder is opened, a piston rod of the guide air cylinder pushes the positioning frame downwards, the positioning frame drives the grinding belt to descend, the grinding belt is in contact with the outer surface of the valve body, the grinding motor is started, an output shaft of the grinding motor drives one grinding shaft to rotate, the grinding shaft drives the grinding belt wheels to rotate, the three grinding belt wheels drive the grinding belt wheels to rotate, the turnover motor is started, an output shaft of the turnover motor drives a first bevel gear to rotate, the first bevel gear is matched with a second bevel gear to drive a driving shaft to rotate, the driving shaft drives an inner wall grinding shell to rotate, the grinding belt grinds the outer surface of the valve body, then the circulating belt continuously conveys the valve body to the position below the other side frame, the lifting air cylinder below the side frame is started, the pneumatic fingers clamp the valve body with the outer surface polished, then the turnover motor, the inner wall of the valve body is polished by the polishing block, and through the structural arrangement, the valve body of the high-tightness butterfly valve can finish double polishing of the inner wall and the outer wall of the valve body through primary transportation in the production process, so that the production efficiency of the valve body is higher; (3) the valve body inner wall back translation cylinder piston rod of polishing drives translation board horizontal migration, pneumatic finger drives valve body horizontal migration, pneumatic finger inserts the valve body on the inserted bar, open translation motor, translation motor output shaft drives the lead screw and rotates, the lead screw drives the translation and holds in the palm towards the second curb plate removal, the translation holds in the palm and drives the valve body and slide along the inserted bar, through above structure setting, the valve body can alternate on the inserted bar automatically after production, the collection of the valve body of being convenient for, the convenience is to the subsequent processing of valve body.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a high leakproofness butterfly valve, includes valve body, valve plate, valve rod, the oil pocket is installed at the valve body top, the valve plate rotates and installs in the valve body, the valve body inner wall is provided with the sealing layer, two arc walls have been seted up on the sealing layer, install two rubber pads on the valve plate, the valve plate passes through the rubber pad and connects sealed the pad, sealed pad is cooperation component with the arc wall, the valve body inner chamber is provided with two sealed right-angle blocks, the top cover body is installed at the oil pocket top, install rotatory handle on the top cover body, valve rod and rotatory handle fixed connection, valve plate and valve rod fixed connection, the valve rod rotates and runs through the oil pocket, oil pocket one side is provided with the oil filler point, and two arc walls are.
Further, a processing method of the butterfly valve with high sealing performance comprises the following steps:
the method comprises the following steps: pouring molten steel into corresponding dies of a valve body, a valve plate and a valve rod, taking out the valve body, the valve plate and the valve rod after cooling, placing the valve body on a feeding frame of valve body polishing equipment, rolling the valve body to a stop block position through a feeding guide rail, opening a translation cylinder close to one side of the feeding frame, driving a translation plate to horizontally move by a translation cylinder piston rod, driving a lifting cylinder to horizontally move by the translation plate, simultaneously downwards pushing a cylinder connecting plate by the lifting cylinder, driving a pneumatic finger to descend by the cylinder connecting plate, clamping a valve body on two arc-shaped clamping plates on the pneumatic finger, then contracting the translation cylinder piston rod, driving the valve body to move to an inner wall polishing shell outer ring by two arc-shaped clamping plates on the pneumatic finger, opening two limiting cylinders, driving a polishing block to move by the two limiting cylinders, contacting the polishing block with the inner wall of the valve body to complete the fixation of the valve body, two belt pulleys drive a circulating belt to rotate, the circulating belt drives an inner wall grinding shell to move through the circulating shell, when a valve body moves below an outer ring grinding frame, a guide air cylinder is opened, a piston rod of the guide air cylinder pushes a positioning frame downwards, the positioning frame drives a grinding belt to descend, the grinding belt is in contact with the outer surface of the valve body, a grinding motor is started, an output shaft of the grinding motor drives one grinding shaft to rotate, the grinding shaft drives grinding belt wheels to rotate, three grinding belt wheels drive the grinding belt to rotate, a turnover motor is started, an output shaft of the turnover motor drives a first bevel gear to rotate, the first bevel gear is matched with a second bevel gear to drive a driving shaft to rotate, the driving shaft drives the inner wall grinding shell to rotate, the valve body rotates, the grinding belt polishes the outer surface of the valve body, then the circulating belt continuously conveys the valve body, the pneumatic finger clamps the valve body with the polished outer surface, then the turnover motor is started, the inner wall polishing shell drives the polishing block to rotate, the polishing block polishes the inner wall of the valve body, the translation cylinder piston rod drives the translation plate to move horizontally after the inner wall of the valve body is polished, the pneumatic finger drives the valve body to move horizontally, the pneumatic finger inserts the valve body onto the insert rod, the translation motor is started, the translation motor output shaft drives the lead screw to rotate, the lead screw drives the translation support to move towards the second side plate, and the translation support drives the valve body to slide along the insert rod;
step two: the oil cavity is assembled on the valve body through bolts, the sealing right-angle block is installed in the arc-shaped groove, the valve plate is installed in the valve body, the valve rod is inserted into the valve plate, the top sleeve body is installed in the oil cavity, the rotary handle is installed at the top of the valve rod, the two rubber pads are installed on the valve plate, the sealing pads are installed on the rubber pads, and the high-sealing-performance butterfly valve is obtained through assembly.
Further, the valve body polishing equipment comprises a support frame, wherein a feeding frame is arranged on the support frame, a feeding guide rail is arranged on the feeding frame, a stop block is arranged on one side of the feeding frame, an outer ring polishing frame is arranged on the support frame, a guide cylinder is arranged on the outer ring polishing frame, a positioning frame is arranged at the end part of a piston rod of the guide cylinder, three polishing shafts are arranged on the positioning frame, polishing belt wheels are arranged on the polishing shafts, the three polishing belt wheels are in transmission connection through polishing belts, two side frames are arranged on the outer ring polishing frame, a translation plate is arranged on each side frame in a sliding manner, a lifting cylinder is arranged on each translation plate, a cylinder connecting plate is arranged at the end part of a piston rod of each lifting cylinder, a pneumatic finger is arranged on each cylinder connecting plate, and two arc;
the utility model discloses a grinding machine, including outer lane grinding rack, drive shaft, inner wall grinding shell, two spacing cylinders, grinding block, translation motor, lead screw, translation motor output shaft tip, the lead screw is installed in the outer lane grinding rack one side and is provided with the carriage, install the circulation belt on the carriage, circulation belt surface mounting has a plurality of circulation shells, install the drive shaft on the circulation shell, the inner wall grinding shell is installed to the drive shaft tip, install two spacing cylinders in the inner wall grinding shell, grinding block is installed to spacing cylinder piston rod tip, install first curb plate, second curb plate on the support frame, install the lead screw between first curb plate and the second curb plate, install the inserted bar on the second curb plate, threaded connection has the translation to hold in the palm on the lead screw, translation motor is installed to second.
Furthermore, the feeding guide rail is obliquely arranged on the feeding frame.
Further, install four first guide bars on the locating rack, four first guide bars are rectangle array form and install in outer lane locating rack top, the outer lane is polished and is installed four first rod covers, four first rod covers and four first guide bar one-to-one, first rod cover and first guide bar sliding connection.
Furthermore, the grinding shaft is rotatably mounted on a bearing seat, the bearing seat is fixedly mounted on a positioning frame, a first grinding motor is mounted on the positioning frame, and an output shaft of the first grinding motor is connected with one of the grinding shafts.
Further, two side frames are symmetrically arranged on two sides of the outer ring polishing frame, two second guide rods are arranged on the side frames, two second rod sleeves are arranged on the translation plate and correspond to the two second guide rods one to one, the second rod sleeves are connected with the second guide rods in a sliding mode, two translation cylinders are arranged on the outer ring polishing frame and correspond to the two translation plates one to one, the end portions of piston rods of the translation cylinders are connected with the translation plates, the circulating belt is rotatably arranged on the conveying frame, two belt pulleys are arranged in the conveying frame and connected through a circulating belt in a transmission mode, a circulating motor is arranged on the conveying frame, and an output shaft of the circulating motor is connected with one of the belt pulleys.
Furthermore, be provided with the turnover motor in the circulation shell, first bevel gear is installed to turnover motor output shaft tip, install the second bevel gear on the drive shaft, first bevel gear and second bevel gear intermeshing, two spacing cylinder piston rods set up in reverse.
The invention has the beneficial effects that:
(1) according to the high-sealing butterfly valve and the processing method thereof, the high-sealing butterfly valve is characterized in that two arc grooves are designed, two rubber pads are arranged on a valve plate, a sealing gasket is arranged on the rubber pads, the sealing gasket on the valve plate can be matched with the rubber pads to fully fill the arc grooves when the valve plate is closed, and is matched with the design of a sealing right-angle block beside the arc grooves, so that the sealing performance among the sealing gasket, the rubber pads and the sealing right-angle block is ensured, the sealing gasket and the rubber pads form a first-stage sealing structure, the sealing right-angle block forms a second-stage sealing structure, the sealing performance of the high-sealing butterfly valve is ensured, and meanwhile, the valve plate cannot be normally opened and closed after the butterfly valve is deformed due to subsequent heating or cooling through;
(2) the valve body is placed on a feeding frame of valve body polishing equipment, the valve body rolls to a stop block position through a feeding guide rail, a translation cylinder close to one side of the feeding frame is opened, a translation cylinder piston rod drives a translation plate to move horizontally, the translation plate drives a lifting cylinder to move horizontally, simultaneously, the lifting cylinder pushes a cylinder connecting plate downwards, the cylinder connecting plate drives a pneumatic finger to descend, valve bodies on two arc-shaped clamping plates on the pneumatic finger are clamped, then the translation cylinder piston rod contracts, the two arc-shaped clamping plates on the pneumatic finger drive the valve body to move to the outer ring of an inner wall polishing shell, two limiting cylinders are opened, the two limiting cylinders push the polishing block to move, the polishing block is contacted with the inner wall of the valve body to complete the fixation of the valve body, then a circulating motor is started, an output shaft of the circulating motor drives a belt pulley to rotate, the two belt pulleys drive a circulating, when the valve body moves below the outer ring grinding frame, the guide air cylinder is opened, a piston rod of the guide air cylinder pushes the positioning frame downwards, the positioning frame drives the grinding belt to descend, the grinding belt is in contact with the outer surface of the valve body, the grinding motor is started, an output shaft of the grinding motor drives one grinding shaft to rotate, the grinding shaft drives the grinding belt wheels to rotate, the three grinding belt wheels drive the grinding belt wheels to rotate, the turnover motor is started, an output shaft of the turnover motor drives a first bevel gear to rotate, the first bevel gear is matched with a second bevel gear to drive a driving shaft to rotate, the driving shaft drives an inner wall grinding shell to rotate, the grinding belt grinds the outer surface of the valve body, then the circulating belt continuously conveys the valve body to the position below the other side frame, the lifting air cylinder below the side frame is started, the pneumatic fingers clamp the valve body with the outer surface polished, then the turnover motor, the inner wall of the valve body is polished by the polishing block, and through the structural arrangement, the valve body of the high-tightness butterfly valve can finish double polishing of the inner wall and the outer wall of the valve body through primary transportation in the production process, so that the production efficiency of the valve body is higher;
(3) the valve body inner wall back translation cylinder piston rod of polishing drives translation board horizontal migration, pneumatic finger drives valve body horizontal migration, pneumatic finger inserts the valve body on the inserted bar, open translation motor, translation motor output shaft drives the lead screw and rotates, the lead screw drives the translation and holds in the palm towards the second curb plate removal, the translation holds in the palm and drives the valve body and slide along the inserted bar, through above structure setting, the valve body can alternate on the inserted bar automatically after production, the collection of the valve body of being convenient for, the convenience is to the subsequent processing of valve body.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of a high-tightness butterfly valve of the present invention;
FIG. 2 is an internal structural view of the valve body of the present invention;
FIG. 3 is a schematic structural view of the valve body grinding apparatus of the present invention;
FIG. 4 is an installation view of the bayonet of the present invention;
fig. 5 is a perspective view of a loading frame of the present invention;
FIG. 6 is a perspective view of the outer ring grinding carriage of the present invention;
FIG. 7 is a side view of the spacer of the present invention;
FIG. 8 is an installation view of the arcuate clamping plate of the present invention;
FIG. 9 is a schematic view of the construction of the inventive carriage;
fig. 10 is an internal structural view of the circulation case of the present invention.
In the figure: 1. a valve body; 2. a valve plate; 3. a valve stem; 4. rotating the handle; 5. a top sleeve body; 6. an oil chamber; 7. an oil filler hole; 8. a sealing layer; 9. an arc-shaped slot; 11. a rubber pad; 12. a gasket; 13. sealing the right-angle block; 20. a support frame; 21. a feeding frame; 22. a feeding guide rail; 23. a stopper; 24. an outer ring grinding frame; 25. a guide cylinder; 26. a positioning frame; 27. grinding the shaft; 28. polishing the belt wheel; 29. polishing the motor; 30. a side frame; 31. a translation cylinder; 32. a translation plate; 33. a lifting cylinder; 34. a pneumatic finger; 35. an arc-shaped clamping plate; 36. a carriage; 37. an endless belt; 38. a circulating motor; 39. a circulating shell; 40. a drive shaft; 41. polishing the inner wall of the shell; 42. a limiting cylinder; 43. grinding blocks; 44. a turnover motor; 45. a first side plate; 451. a transition groove; 46. a second side plate; 47. a lead screw; 48. inserting a rod; 49. a translation support; 50. a translation motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-10, the present invention is a high-sealing butterfly valve, including a valve body 1, a valve plate 2, and a valve rod 3, wherein an oil cavity 6 is installed at the top of the valve body 1, the valve plate 2 is rotatably installed in the valve body 1, a sealing layer 8 is installed on the inner wall of the valve body 1, two arc-shaped grooves 9 are formed on the sealing layer 8, two rubber pads 11 are installed on the valve plate 2, the valve plate 2 is connected with a sealing gasket 12 through the rubber pads 11, the sealing gasket 12 and the arc-shaped grooves 9 are matching members, two sealing right-angle blocks 13 are installed in the inner cavity of the valve body 1, a top sleeve body 5 is installed at the top of the oil cavity 6, a rotating handle 4 is installed on the top sleeve body 5, the valve rod 3 is fixedly connected with the rotating handle 4, the valve plate 2 is fixedly connected with the valve.
A processing method of a butterfly valve with high sealing performance comprises the following steps:
the method comprises the following steps: pouring molten steel into corresponding molds of the valve body 1, the valve plate 2 and the valve rod 3, taking out the valve body 1, the valve plate 2 and the valve rod 3 after cooling, placing the valve body 1 on a feeding frame 21 of valve body polishing equipment, rolling the valve body 1 to a position of a stop block 23 through a feeding guide rail 22, opening a translation cylinder 31 close to one side of the feeding frame 21, driving a translation plate 32 to horizontally move by a piston rod of the translation cylinder 31, driving a lifting cylinder 33 to horizontally move by the translation plate 32, simultaneously pushing a cylinder connecting plate downwards by the lifting cylinder 33, driving a pneumatic finger 34 to descend by the cylinder connecting plate, clamping the valve body 1 on two arc-shaped clamping plates 35 on the pneumatic finger 34, then contracting the piston rod of the translation cylinder 31, driving the valve body 1 to move to the outer ring of an inner wall polishing shell 41 by the two arc-shaped clamping plates 35 on the pneumatic finger 34, opening two limit cylinders 42, driving a polishing block 43 to move, and enabling the polishing, fixing of the valve body 1 is completed, then the circulating motor 38 is started, the output shaft of the circulating motor 38 drives the belt pulleys to rotate, the two belt pulleys drive the circulating belt 37 to rotate, the circulating belt 37 drives the inner wall polishing shell 41 to move through the circulating shell 39, when the valve body 1 moves to the position below the outer ring polishing frame 24, the guide cylinder 25 is started, the piston rod of the guide cylinder 25 pushes the positioning frame 26 downwards, the positioning frame 26 drives the polishing belt to descend, the polishing belt is contacted with the outer surface of the valve body 1, the polishing motor 29 is started, the output shaft of the polishing motor 29 drives one of the polishing shafts 27 to rotate, the polishing shafts 27 drive the polishing belt wheels 28 to rotate, the three polishing belt wheels 28 drive the polishing belt to rotate, the turnover motor 44 is started, the output shaft of the turnover motor 44 drives the first bevel gear to rotate, the first bevel gear is matched with the second bevel gear to drive the, then the valve body 1 rotates, the polishing belt polishes the outer surface of the valve body 1, then the circulating belt 37 continues to convey the valve body 1 to the position below the other side frame 30, the lifting cylinder 33 below the side frame 30 is opened, the valve body 1 with the polished outer surface is clamped by the pneumatic fingers 34, then the turnover motor 44 is opened, the inner wall polishing shell 41 drives the polishing block 43 to rotate, the polishing block 43 polishes the inner wall of the valve body 1, the piston rod of the translation cylinder 31 drives the translation plate 32 to horizontally move after the inner wall of the valve body 1 is polished, the pneumatic fingers 34 drive the valve body 1 to horizontally move, the pneumatic fingers 34 insert the valve body 1 onto the insert rod 48, the translation motor 50 is opened, the output shaft of the translation motor 50 drives the lead screw 47 to rotate, the lead screw 47 drives the translation support 49 to move towards the second side plate 46, and the translation support 49 drives;
step two: assembling an oil cavity 6 on a valve body 1 through bolts, installing a sealing right-angle block 13 in an arc-shaped groove 9, installing a valve plate 2 in the valve body 1, inserting a valve rod 3 into the valve plate 2, installing a top sleeve body 5 on the oil cavity 6, installing a rotary handle 4 at the top of the valve rod 3, installing two rubber pads 11 on the valve plate 2, installing a sealing pad 12 on the rubber pads 11, and assembling to obtain the butterfly valve with high sealing performance.
The valve body polishing equipment comprises a support frame 20, wherein a feeding frame 21 is installed on the support frame 20, a feeding guide rail 22 is installed on the feeding frame 21, a stop dog 23 is arranged on one side of the feeding frame 21, an outer ring polishing frame 24 is installed on the support frame 20, a guide cylinder 25 is installed on the outer ring polishing frame 24, a positioning frame 26 is installed at the end part of a piston rod of the guide cylinder 25, three polishing shafts 27 are installed on the positioning frame 26, polishing belt wheels 28 are installed on the polishing shafts 27, the three polishing belt wheels 28 are in transmission connection through polishing belts, two side frames 30 are installed on the outer ring polishing frame 24, a translation plate 32 is installed on the side frames 30 in a sliding mode, a lifting cylinder 33 is installed on the translation plate 32, a cylinder connecting plate is installed at the end part of the piston rod of the lifting cylinder 33, a pneumatic finger;
outer lane is polished frame 24 one side and is provided with carriage 36, install circulation belt 37 on the carriage 36, circulation belt 37 surface mounting has a plurality of circulation shells 39, install drive shaft 40 on the circulation shell 39, inner wall polishing shell 41 is installed to drive shaft 40 tip, install two spacing cylinders 42 in the inner wall polishing shell 41, polishing block 43 is installed to spacing cylinder 42 piston rod tip, install first curb plate 45 on the support frame 20, second curb plate 46, install lead screw 47 between first curb plate 45 and the second curb plate 46, install inserted bar 48 on the second curb plate 46, threaded connection has translation support 49 on the lead screw 47, translation motor 50 is installed to second curb plate 46 one side, lead screw 47 is installed in translation motor 50 output shaft tip, lead-through groove 451 has been seted up on first curb plate 45.
The feeding guide rail 22 is installed on the feeding frame 21 in an inclined manner.
Four first guide rods are installed on the positioning frame 26, are installed at the top of the outer ring positioning frame 26 in a rectangular array mode, four first rod sleeves are installed on the outer ring polishing frame 24 and correspond to the four first guide rods one to one, and the first rod sleeves are connected with the first guide rods in a sliding mode.
The grinding shaft 27 is rotatably mounted on the bearing seat, the bearing seat is fixedly mounted on the positioning frame 26, the first grinding motor 29 is mounted on the positioning frame 26, and the output shaft of the first grinding motor 29 is connected with one of the grinding shafts 27.
Two side frames 30 are symmetrically arranged on two sides of an outer ring grinding frame 24, two second guide rods are arranged on the side frames 30, two second rod sleeves are arranged on a translation plate 32 and correspond to the two second guide rods one to one, the second rod sleeves are connected with the second guide rods in a sliding mode, two translation cylinders 31 are arranged on the outer ring grinding frame 24, the two translation cylinders 31 correspond to the two translation plates 32 one to one, the end portions of piston rods of the translation cylinders 31 are connected with the translation plate 32, a circulating belt 37 is rotatably arranged on a conveying frame 36, two belt pulleys are arranged in the conveying frame 36 and are in transmission connection through the circulating belt 37, a circulating motor 38 is arranged on the conveying frame 36, and an output shaft of the circulating motor 38 is connected with one of the belt pulleys.
A revolving motor 44 is arranged in the circulating shell 39, a first bevel gear is arranged at the end part of an output shaft of the revolving motor 44, a second bevel gear is arranged on the driving shaft 40, the first bevel gear is meshed with the second bevel gear, and piston rods of the two limiting cylinders 42 are reversely arranged.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.

Claims (8)

1. The high-sealing butterfly valve is characterized by comprising a valve body (1), a valve plate (2) and a valve rod (3), wherein an oil cavity (6) is installed at the top of the valve body (1), the valve plate (2) is rotatably installed in the valve body (1), a sealing layer (8) is arranged on the inner wall of the valve body (1), two arc-shaped grooves (9) are formed in the sealing layer (8), two rubber pads (11) are installed on the valve plate (2), the valve plate (2) is connected with a sealing gasket (12) through the rubber pads (11), the sealing gasket (12) and the arc-shaped grooves (9) are matched components, two sealing right-angle blocks (13) are arranged in the inner cavity of the valve body (1), a top sleeve body (5) is installed at the top of the oil cavity (6), a rotating handle (4) is installed on the top sleeve body (5), and the valve rod (3) is, valve plate (2) and valve rod (3) fixed connection, valve rod (3) rotate and run through oil pocket (6), oil pocket (6) one side is provided with oil filler point (7), and sealing layer (8) both sides are seted up respectively in two arc walls (9).
2. A processing method of a butterfly valve with high sealing performance is characterized by comprising the following steps:
the method comprises the following steps: pouring molten steel into corresponding molds of a valve body (1), a valve plate (2) and a valve rod (3), taking out the valve body (1), the valve plate (2) and the valve rod (3) after cooling, placing the valve body (1) on a feeding rack (21) of valve body polishing equipment, rolling the valve body (1) to one side of a stop block (23) through a feeding guide rail (22), opening a translation cylinder (31) close to one side of the feeding rack (21), driving a translation plate (32) to horizontally move by a piston rod of the translation cylinder (31), driving a lifting cylinder (33) to horizontally move by the translation plate (32), simultaneously pushing a cylinder connecting plate downwards by the lifting cylinder (33), driving a pneumatic finger (34) to descend by the cylinder connecting plate, clamping the valve body (1) by two arc-shaped clamping plates (35) on the pneumatic finger (34), then contracting the piston rod of the translation cylinder (31), driving the valve body (1) to move outside an inner wall polishing shell (41) by the two arc-shaped clamping plates (35) on the pneumatic finger (34), the method comprises the steps of starting two limiting cylinders (42), pushing a polishing block (43) to move by the limiting cylinders (42), enabling the polishing block (43) to be in contact with the inner wall of a valve body (1) to complete fixing of the valve body (1), then starting a circulating motor (38), driving belt pulleys to rotate by an output shaft of the circulating motor (38), driving a circulating belt (37) to rotate by the two belt pulleys, driving an inner wall polishing shell (41) to move by the circulating belt (37) through the circulating shell (39), starting a guide cylinder (25) when the valve body (1) moves to the position below an outer ring polishing frame (24), pushing a positioning frame (26) downwards by a piston rod of the guide cylinder (25), driving the polishing belt to descend by the positioning frame (26), enabling the polishing belt to be in contact with the outer surface of the valve body (1), starting a polishing motor (29), driving one polishing shaft (27) to rotate by the output shaft of the polishing motor (29), and driving the polishing belt pulley (28), three polishing belt wheels (28) drive a polishing belt to rotate, a turnover motor (44) is started, an output shaft of the turnover motor (44) drives a first bevel gear to rotate, the first bevel gear is matched with a second bevel gear to drive a driving shaft (40) to rotate, the driving shaft (40) drives an inner wall polishing shell (41) to rotate, then a valve body (1) rotates, the outer surface of the valve body (1) is polished by the polishing belt, then the valve body (1) is conveyed to the lower part of the other side frame (30) by a circulating belt (37), a lifting cylinder (33) below the valve body (30) is started, a pneumatic finger (34) clamps the valve body (1) with the polished outer surface and then the turnover motor (44) is started, the inner wall polishing shell (41) drives a polishing block (43) to rotate, the polishing block (43) polishes the inner wall of the valve body (1), and a piston rod of a translation cylinder (31) drives a translation plate (32) to move horizontally after the, the pneumatic finger (34) drives the valve body (1) to move horizontally, the pneumatic finger (34) inserts the valve body (1) onto the inserted link (48), the translation motor (50) is started, an output shaft of the translation motor (50) drives the lead screw (47) to rotate, the lead screw (47) drives the translation support (49) to move towards the second side plate (46), and the translation support (49) drives the valve body (1) to slide along the inserted link (48);
step two: taking off valve body (1) from inserted bar (48), install oil pocket (6) on valve body (1) through the bolt, install sealed right angle piece (13) in arc wall (9), install valve plate (2) in valve body (1), insert valve rod (3) in valve plate (2), and install top cover body (5) in oil pocket (6), install rotatory handle (4) at valve rod (3) top, install two rubber pads (11) on valve plate (2), install sealed pad (12) on rubber pad (11), the equipment obtains high leakproofness butterfly valve.
3. The machining method of the butterfly valve with the high sealing property according to claim 2, wherein the valve body polishing device comprises a support frame (20), a feeding frame (21) is installed on the support frame (20), a feeding guide rail (22) is installed on the feeding frame (21), a stop block (23) is arranged on one side of the feeding frame (21), an outer ring polishing frame (24) is installed on the support frame (20), a guide cylinder (25) is installed on the outer ring polishing frame (24), a positioning frame (26) is installed at the end part of a piston rod of the guide cylinder (25), three polishing shafts (27) are installed on the positioning frame (26), polishing belt wheels (28) are installed on the polishing shafts (27), the three polishing belt wheels (28) are in transmission connection through polishing belts, two side frames (30) are installed on the outer ring polishing frame (24), and a translation plate (32) is installed on the side frames (30) in a sliding manner, a lifting cylinder (33) is installed on the translation plate (32), a cylinder connecting plate is installed at the end part of a piston rod of the lifting cylinder (33), a pneumatic finger (34) is installed on the cylinder connecting plate, and two arc-shaped clamping plates (35) are installed on the pneumatic finger (34);
the outer ring grinding frame (24) one side is provided with a conveying frame (36), a circulating belt (37) is installed on the conveying frame (36), a plurality of circulating shells (39) are installed on the outer surface of the circulating belt (37), a driving shaft (40) is installed on the circulating shells (39), an inner wall grinding shell (41) is installed at the end portion of the driving shaft (40), two limiting cylinders (42) are installed in the inner wall grinding shell (41), a grinding block (43) is installed at the end portion of a piston rod of each limiting cylinder (42), a first side plate (45) and a second side plate (46) are installed on the supporting frame (20), a lead screw (47) is installed between the first side plate (45) and the second side plate (46), an inserting rod (48) is installed on the second side plate (46), a translation support (49) is connected to the lead screw (47) in a threaded manner, a translation motor (50) is installed on one side of the second side, the lead screw (47) is installed at the end part of an output shaft of the translation motor (50), and the first side plate (45) is provided with a transition groove (451).
4. The method for processing the butterfly valve with high sealing performance according to claim 2, wherein the feeding guide rail (22) is installed on the feeding frame (21) in an inclined manner.
5. The machining method of the butterfly valve with the high sealing property according to claim 2, wherein four first guide rods are mounted on the positioning frame (26), the four first guide rods are mounted on the top of the outer ring positioning frame (26) in a rectangular array, four first rod sleeves are mounted on the outer ring grinding frame (24), the four first rod sleeves correspond to the four first guide rods one to one, and the first rod sleeves are connected with the first guide rods in a sliding mode.
6. The processing method of the butterfly valve with high sealing performance according to claim 2, characterized in that the grinding shaft (27) is rotatably mounted on a bearing seat, the bearing seat is fixedly mounted on a positioning frame (26), a first grinding motor (29) is mounted on the positioning frame (26), and an output shaft of the first grinding motor (29) is connected with one of the grinding shafts (27).
7. The processing method of the butterfly valve with high sealing performance according to claim 2, wherein two side frames (30) are symmetrically installed at two sides of an outer ring grinding frame (24), two second guide rods are installed on the side frames (30), two second rod sleeves are installed on the translation plate (32) and correspond to the two second guide rods one to one, the second rod sleeves are connected with the second guide rods in a sliding mode, two translation cylinders (31) are installed on the outer ring grinding frame (24), the two translation cylinders (31) correspond to the two translation plates (32) one to one, the end portion of a piston rod of each translation cylinder (31) is connected with the translation plate (32), the circulating belt (37) is rotatably installed on a conveying frame (36), two belt pulleys are arranged in the conveying frame (36), and the two belt pulleys are in transmission connection through the circulating belt (37), the conveying frame (36) is provided with a circulating motor (38), and the output shaft of the circulating motor (38) is connected with one belt pulley.
8. The processing method of the butterfly valve with high sealing performance according to claim 2, characterized in that an epicyclic motor (44) is arranged in the circulating shell (39), a first bevel gear is arranged at the end of an output shaft of the epicyclic motor (44), a second bevel gear is arranged on the driving shaft (40), the first bevel gear and the second bevel gear are meshed with each other, and piston rods of the two limiting air cylinders (42) are arranged in opposite directions.
CN202011261597.7A 2020-11-12 2020-11-12 High-sealing butterfly valve and machining method thereof Withdrawn CN112283362A (en)

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CN202011261597.7A CN112283362A (en) 2020-11-12 2020-11-12 High-sealing butterfly valve and machining method thereof

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113211258A (en) * 2021-05-11 2021-08-06 江苏嘉瑞木业有限公司 Polishing device for composite floor production
CN113915351A (en) * 2021-10-29 2022-01-11 闫皓男 Eccentric butterfly valve

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1127662A (en) * 1966-05-25 1968-09-18 Kinematics Ltd Improvements in and relating to butterfly valves
JP2000046200A (en) * 1998-07-24 2000-02-18 Tomoe Tech Res Co Butterfly valve
CN203516765U (en) * 2013-08-28 2014-04-02 马钢(集团)控股有限公司 Jamming-preventing butterfly valve special for gas
CN205559817U (en) * 2015-11-16 2016-09-07 天津市汇华阀业有限公司 A slot connection butterfly valve that is used for linear sealing sphere line with rubber valve plate
CN107420562A (en) * 2017-04-20 2017-12-01 天津亚通阀门制造有限公司 The high-efficiency seal structure of sealed butterfly valve
CN208331270U (en) * 2018-06-07 2019-01-04 上海中韩易捷特阀门有限公司 A kind of butterfly valve
CN109163103A (en) * 2018-11-07 2019-01-08 浙江正鹏阀门有限公司 A kind of intelligence butterfly valve

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1127662A (en) * 1966-05-25 1968-09-18 Kinematics Ltd Improvements in and relating to butterfly valves
JP2000046200A (en) * 1998-07-24 2000-02-18 Tomoe Tech Res Co Butterfly valve
CN203516765U (en) * 2013-08-28 2014-04-02 马钢(集团)控股有限公司 Jamming-preventing butterfly valve special for gas
CN205559817U (en) * 2015-11-16 2016-09-07 天津市汇华阀业有限公司 A slot connection butterfly valve that is used for linear sealing sphere line with rubber valve plate
CN107420562A (en) * 2017-04-20 2017-12-01 天津亚通阀门制造有限公司 The high-efficiency seal structure of sealed butterfly valve
CN208331270U (en) * 2018-06-07 2019-01-04 上海中韩易捷特阀门有限公司 A kind of butterfly valve
CN109163103A (en) * 2018-11-07 2019-01-08 浙江正鹏阀门有限公司 A kind of intelligence butterfly valve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113211258A (en) * 2021-05-11 2021-08-06 江苏嘉瑞木业有限公司 Polishing device for composite floor production
CN113915351A (en) * 2021-10-29 2022-01-11 闫皓男 Eccentric butterfly valve
CN113915351B (en) * 2021-10-29 2023-03-28 安徽省白湖阀门厂有限责任公司 Eccentric butterfly valve

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