CN114700832A - Machining process of ball valve seat - Google Patents
Machining process of ball valve seat Download PDFInfo
- Publication number
- CN114700832A CN114700832A CN202210500174.9A CN202210500174A CN114700832A CN 114700832 A CN114700832 A CN 114700832A CN 202210500174 A CN202210500174 A CN 202210500174A CN 114700832 A CN114700832 A CN 114700832A
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- China
- Prior art keywords
- ball valve
- valve seat
- driving
- valve core
- valve
- Prior art date
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- 238000003754 machining Methods 0.000 title claims description 26
- 238000000227 grinding Methods 0.000 claims description 58
- 238000001816 cooling Methods 0.000 claims description 32
- 239000003795 chemical substances by application Substances 0.000 claims description 25
- 239000007921 spray Substances 0.000 claims description 17
- 238000003860 storage Methods 0.000 claims description 14
- 239000000110 cooling liquid Substances 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 238000005242 forging Methods 0.000 claims description 6
- 238000013021 overheating Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 4
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000000945 filler Substances 0.000 description 11
- 230000033001 locomotion Effects 0.000 description 11
- 239000002826 coolant Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- 239000003082 abrasive agent Substances 0.000 description 3
- 238000009837 dry grinding Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B15/00—Machines or devices designed for grinding seat surfaces; Accessories therefor
- B24B15/04—Machines or devices designed for grinding seat surfaces; Accessories therefor on valve members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/02—Bench grinders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
- B24B57/02—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents
Abstract
The invention relates to the technical field of ball valve processing technology, in particular to a processing technology of a ball valve seat, which can drive a valve core to continuously rotate and rub two groups of valve seats with each other, so that the valve core is completely attached to the two groups of valve seats corresponding to the valve core, the sealing performance after the ball valve is assembled is ensured, and the service life of the ball valve is prolonged. Further improving the processing precision.
Description
Technical Field
The invention relates to the technical field of ball valve machining processes, in particular to a machining process of a ball valve seat.
Background
The ball valve is a valve which is driven by a valve rod and rotates around the axis of the ball valve, and is also commonly used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of surfacing hard alloy have strong shearing force, so the ball valve is particularly suitable for media containing fibers, tiny solid particles and the like, and the ball valve can be usually controlled to be opened and closed by matching a valve core and two groups of valve seats, so whether the machining process of the valve core and the valve seats is good or not determines the sealing performance and the service life of the ball valve;
the existing ball valve seat processing technology still has the following problems:
(1) the existing valve seat processing technology generally forges and molds a blank, however, the contact surface of the forged valve core and the valve seat has tolerance, the valve core is difficult to be completely attached to the valve seat, and the sealing performance and the service life of the ball valve are influenced;
(2) the edge of a valve seat is usually polished by a polisher in the existing valve seat machining process, the surface of the valve seat needs to be manually added with grinding agents, and the valve seat still rotates rapidly when the grinding agents are added, so that potential safety hazards exist in the machining process.
Disclosure of Invention
In order to solve one or more problems in the prior art, the invention provides a machining process of a ball valve seat.
The technical scheme adopted by the invention to achieve the aim is as follows: a machining process of a ball valve seat comprises the following steps:
s1: placing the blank into a forging machine for forging;
s2: placing the forged valve core and the forged valve seat in a ball valve grinding machine for grinding, wherein the grinding process comprises the following steps:
installing the valve core and the valve seat on a clamp corresponding to the ball valve grinding machine;
the ball valve grinder grinds the valve core and the valve seat;
the ball valve grinding machine automatically adds grinding agent to the surface of the valve core;
the ball valve grinder sprays cooling liquid to the surface of the valve core to prevent the valve core and the valve seat from being deformed due to overheating;
s3: and taking out the grinded valve core and the grinded valve seat.
Preferably, the ball valve mill includes:
the top of the workbench is provided with a group of rotating assemblies, and one side of the top of the workbench, which is close to the rotating assemblies, is provided with a group of mounting frames;
the limiting assembly is arranged beside the rotating assembly;
the two groups of clamping assemblies are arranged beside the rotating assembly at intervals;
the cooling assembly is arranged at the top of the mounting rack;
the driving assembly is arranged below the workbench;
wherein, drive assembly is including biax motor, axis of rotation, linkage part, arc drive plate, actuating lever and circular slider, biax motor sets up the bottom of workstation, the axis of rotation rotates to be connected on the workstation, the arc drive plate sets up the bottom of axis of rotation, the actuating lever sets up on an output shaft of biax motor, circular slider rotates to be connected the actuating lever is kept away from one side of biax motor, a set of spout has been seted up on the arc drive plate, circular slider passes through the spout with the arc drive plate structure cooperatees, the top of axis of rotation is provided with a set of backup pad.
Preferably, every group the centre gripping subassembly all includes support column, driving electric jar, spacing telescopic link and electronic clamping jaw, the support column sets up the top of backup pad, spacing telescopic link sets up on the lateral wall of support column, electronic clamping jaw sets up spacing telescopic link's activity is served, driving electric jar sets up the support column is kept away from one side of spacing telescopic link, driving electric jar the output with electronic clamping jaw fixed connection, every group all be provided with a set of disk seat on the exposed core of electronic clamping jaw.
Preferably, a group of collecting boxes are arranged on the top of the supporting plate.
Preferably, rotating assembly is including erection column, driving motor and elasticity chuck, the erection column sets up the top of workstation, elasticity chuck rotates to be connected on the erection column, driving motor sets up the side of erection column, driving motor with the elasticity chuck transmission is connected, be provided with a set of dwang on elasticity chuck's the exposed core, the cover is equipped with a set of case on the dwang.
Preferably, spacing subassembly is including the fixed column, rotates handle, threaded rod, stopper, slide bar and connecting rod, the fixed column sets up one side of erection column is kept away from at the workstation top, the threaded rod rotates to be connected on the fixed column, the stopper with threaded rod threaded connection, the slide bar with fixed column sliding fit on the horizontal direction, the top of connecting rod with the bottom fixed connection of stopper, the bottom of connecting rod with slide bar fixed connection, the stopper is kept away from the one end of threaded rod with the dwang rotates to be connected.
Preferably, the cooling subassembly is including coolant liquid holding vessel, abrasive holding vessel, reciprocal lead screw, cooling shower nozzle and abrasive filler pipe, coolant liquid holding vessel and abrasive holding vessel interval set up the top of mounting bracket, reciprocal lead screw sets up on the bottom inner wall of mounting bracket, cooling shower nozzle and abrasive filler pipe interval set up the slider bottom of reciprocal lead screw, all be provided with the solenoid valve in cooling shower nozzle and the abrasive filler pipe, cooling shower nozzle with the inside intercommunication of coolant liquid holding vessel, the abrasive filler pipe with the inside intercommunication of abrasive holding vessel.
Preferably, the linkage part is including driving gear, driven gear, drive shaft and connecting axle, the driving gear cover is established biax motor is kept away from one side of actuating lever, the drive shaft initiative is connected on the bottom inner wall of workstation, driven gear overlaps and establishes in the drive shaft, the driving gear with driven gear meshes, the connecting axle rotates to be connected on the bottom inner wall of mounting bracket, the drive shaft with the connecting axle transmission is connected, the connecting axle with reciprocal lead screw transmission is connected.
The invention has the beneficial effects that:
firstly, the ball valve can be driven to continuously rotate and mutually rub two groups of valve seats, so that the valve core is completely attached to the two groups of valve seats corresponding to the valve core, no gap exists, the sealing performance after the ball valve is assembled is guaranteed, the service life of the ball valve is prolonged, specifically, when grinding machining starts, the double-shaft motor works to drive the circular sliding block at the tail end of the driving rod to move, the circular sliding block is matched with the arc driving plate through the sliding groove, the circular sliding block can drive the arc driving plate to move, the arc driving plate can continuously drive the rotating shaft to do small-amplitude reciprocating swing, the two groups of valve seats above the rotating shaft are further driven to do reciprocating swing, and then the two groups of valve seats can be quickly and continuously ground with the valve core, so that the contact surfaces of the two groups of valve seats and the valve core are completely attached to each other.
Secondly, in the invention, the cooling component can automatically add grinding agent to the rotating valve core to prevent dry grinding phenomenon before the valve core and the valve seat, so that the grinding of the valve core and the valve seat is more thorough, and the cooling component can automatically spray cooling liquid to the rotating valve core to prevent the valve core and the valve seat from deforming due to overheating, thereby improving the processing quality of the valve seat and the valve core.
Thirdly, in the invention, after the valve core is sleeved on the rotating shaft, a user rotates the rotating handle, and the limiting block moves towards the rotating shaft under the driving of the threaded rod, so that the limiting block is attached to the tail end of the rotating shaft, the rotating shaft can be kept stable in the rotating process, and the machining precision of the valve core and the valve seat is further improved.
Fourthly, in the invention, when the double-shaft motor rotates, the driving gear is simultaneously driven to rotate, and then the driving shaft is driven to rotate through the driving shaft, the connecting shaft continues to drive the reciprocating screw rod to move, so that the two groups of valve seats are driven to do reciprocating swing, and meanwhile, the reciprocating motion of the abrasive filling pipe can be driven, so that the grinding machine is uniformly attached to the surface of the valve core, the abrasives are not required to be manually added by workers, production accidents caused when the abrasives are manually coated can be avoided, the attachments of the abrasives can be more uniform, the processing precision is further improved, the cooling spray head can spray cooling liquid to the surface of the valve core, and the overheating deformation of the valve core and the valve seats is prevented.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a partial schematic structural view of the present invention;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is an enlarged view of FIG. 2 at B;
FIG. 5 is a schematic view of a spacing assembly of the present invention;
FIG. 6 is an enlarged view of FIG. 5 at C;
FIG. 7 is a schematic view of the driving assembly of the present invention;
FIG. 8 is an enlarged view of FIG. 7 at D;
FIG. 9 is a schematic structural view of a cooling assembly according to the present invention;
fig. 10 is an enlarged view of fig. 9 at E.
Reference numerals: 1. a work table; 2. a mounting frame; 3. an abrasive storage tank; 4. a coolant storage tank; 5. a drive motor; 6. mounting a column; 7. a support pillar; 8. a support plate; 9. a collection box; 11. an elastic chuck; 12. rotating the rod; 13. a valve core; 14. a valve seat; 15. an electric jaw; 16. fixing a column; 17. driving an electric cylinder; 18. rotating the handle; 19. a threaded rod; 20. a limiting block; 21. a slide bar; 22. a connecting rod; 23. a double-shaft motor; 25. a drive shaft; 27. limiting the telescopic rod; 28. a driving gear; 29. a driven gear; 30. a rotating shaft; 31. an arc drive plate; 32. a circular slider; 33. a chute; 34. a drive rod; 35. a connecting shaft; 36. a reciprocating screw rod; 37. an abrasive filler pipe; 38. and cooling the spray head.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
As shown in fig. 1-10, the present invention provides a ball valve seat processing technology, comprising the following steps:
s1: placing the blank into a forging machine for forging;
s2: placing the forged valve core 13 and the forged valve seat 14 in a ball valve grinding machine for grinding, wherein the ball valve grinding machine comprises:
installing the valve core 13 and the valve seat 14 on a corresponding clamp of the ball valve grinding machine;
the ball valve grinding machine grinds the valve core 13 and the valve seat 14;
the ball valve grinding machine automatically adds grinding agent to the surface of the valve core 13;
the ball valve grinder sprays cooling liquid to the surface of the valve core 13 to prevent the valve core 13 and the valve seat 14 from being deformed due to overheating;
s3: the grinded valve element 13 and valve seat 14 are removed.
Wherein, ball valve grinds machine includes: the device comprises a workbench 1, a limiting assembly, two groups of clamping assemblies, a cooling assembly and a driving assembly; a group of rotating assemblies are arranged at the top of the workbench 1, and a group of mounting frames 2 are arranged at one side of the top of the workbench 1 close to the rotating assemblies; spacing subassembly sets up the side at rotating assembly, and two sets of centre gripping subassemblies interval set up the side at rotating assembly, and the cooling subassembly sets up at the top of mounting bracket 2, and drive assembly sets up the below at workstation 1.
Wherein, the driving component comprises a double-shaft motor 23, a rotating shaft 30, a linkage part, an arc driving plate 31, a driving rod 34 and a circular slider 32; the double-shaft motor 23 is arranged at the bottom of the workbench 1, the rotating shaft 30 is rotatably connected to the workbench 1, the arc-shaped driving plate 31 is arranged at the bottom of the rotating shaft 30, the driving rod 34 is arranged on one output shaft of the double-shaft motor 23, and the circular sliding block 32 is rotatably connected to one side, away from the double-shaft motor 23, of the driving rod 34; a group of sliding grooves 33 are formed in the arc-shaped driving plate 31, the circular sliding block 32 is structurally matched with the arc-shaped driving plate 31 through the sliding grooves 33, and a group of supporting plates 8 are arranged at the top of the rotating shaft 30; the rotating assembly can drive the valve core 13 to continuously rotate, and rub with two sets of valve seats 14 each other, make the valve core 13 laminate with two sets of valve seats 14 that this valve core 13 corresponds completely mutually, guarantee the leakproofness after the ball valve equipment finishes, the life of extension ball valve, the cooling assembly can be automatically to the case 13 filling grinding agent in the rotation, the dry grinding phenomenon appears before case 13 and valve seat 14 prevents, make the grinding to case 13 and valve seat 14 more thorough, the cooling assembly can also spray the coolant liquid to case 13 in the rotation automatically, prevent that case 13 and valve seat 14 from leading to warping because overheated, in order to improve the processing quality to valve seat 14 and case 13.
When the grinding processing starts, the double-shaft motor 23 works, the circular slider 32 at the tail end of the driving rod 34 is driven to move, and the circular slider 32 is structurally matched with the arc driving plate 31 through the sliding groove 33, the circular slider 32 can drive the arc driving plate 31 to move, the arc driving plate 31 can continuously drive the rotating shaft 30 to perform small-amplitude reciprocating swing, and then the two groups of valve seats 14 above the rotating shaft 30 are driven to perform reciprocating swing, so that the two groups of valve seats 14 can be rapidly and continuously ground with the valve core 13, and the contact surfaces of the two groups of valve seats 14 and the valve core 13 are completely attached.
Each group of clamping components comprises a supporting column 7, a driving electric cylinder 17, a limiting telescopic rod 27 and an electric clamping jaw 15; the supporting column 7 is arranged at the top of the supporting plate 8, the limiting telescopic rod 27 is arranged on the side wall of the supporting column 7, the electric clamping jaw 15 is arranged at the movable end of the limiting telescopic rod 27, the driving electric cylinder 17 is arranged at one side of the supporting column 7 far away from the limiting telescopic rod 27, the output end of the driving electric cylinder 17 is fixedly connected with the electric clamping jaw 15, and a group of valve seats 14 is arranged at the clamping end of each group of electric clamping jaws 15; before grinding begins, a worker clamps two groups of forged valve seats 14 on one group of electric clamping jaws 15 respectively, and then drives the electric cylinder 17 to drive the valve seats 14 to move towards the valve core 13, so that the two groups of valve seats 14 can be attached to the valve core 13 all the time in the grinding process.
A group of collecting boxes 9 are arranged at the top of the supporting plate 8, and the rotating assembly comprises a mounting column 6, a driving motor 5 and an elastic chuck 11; the mounting column 6 is arranged at the top of the workbench 1, the elastic chuck 11 is rotatably connected to the mounting column 6, the driving motor 5 is arranged beside the mounting column 6, the driving motor 5 is in transmission connection with the elastic chuck 11, a group of rotating rods 12 are arranged at the clamping end of the elastic chuck 11, and a group of valve cores 13 are sleeved on the rotating rods 12; before the grinding process begins, a user sleeves the valve core 13 on the rotating shaft 30, the collecting box 9 is used for collecting the dropped coolant and the dropped grinding agent, the surface of the workbench 1 is prevented from being polluted, the driving motor 5 is used for driving the elastic chuck 11 to continuously rotate, and then the valve core 13 is driven to continuously rotate, so that the valve core 13 and the two groups of valve seats 14 are mutually ground, and further the grinding precision of the valve core 13 and the valve seats 14 is improved.
The limiting component comprises a fixed column 16, a rotating handle 18, a threaded rod 19, a limiting block 20, a sliding rod 21 and a connecting rod 22; the fixed column 16 is arranged on one side, far away from the mounting column 6, of the top of the workbench 1, the threaded rod 19 is rotatably connected to the fixed column 16, the limiting block 20 is in threaded connection with the threaded rod 19, the sliding rod 21 is in sliding fit with the fixed column 16 in the horizontal direction, the top of the connecting rod 22 is fixedly connected with the bottom of the limiting block 20, the bottom of the connecting rod 22 is fixedly connected with the sliding rod 21, and one end, far away from the threaded rod 19, of the limiting block 20 is rotatably connected with the rotating rod 12; after the valve core 13 is sleeved on the rotating shaft 30, a user rotates the rotating handle 18, and the limiting block 20 is driven by the threaded rod 19 to move towards the rotating shaft 30, so that the limiting block 20 is attached to the tail end of the rotating shaft 30, the rotating shaft 30 can be kept stable in the rotating process, and the machining precision of the valve core 13 and the valve seat 14 is further improved.
The cooling assembly comprises a cooling liquid storage tank 4, an abrasive storage tank 3, a reciprocating screw rod 36, a cooling spray head 38 and an abrasive filling pipe 37, the cooling liquid storage tank 4 and the abrasive storage tank 3 are arranged at the top of the mounting frame 2 at intervals, the reciprocating screw rod 36 is arranged on the inner wall of the bottom of the mounting frame 2, the cooling spray head 38 and the abrasive filling pipe 37 are arranged at the bottom of a slide block of the reciprocating screw rod 36 at intervals, electromagnetic valves are arranged in the cooling spray head 38 and the abrasive filling pipe 37, the cooling spray head 38 is communicated with the inside of the cooling liquid storage tank 4, and the abrasive filling pipe 37 is communicated with the inside of the abrasive storage tank 3; reciprocating screw 36 is under linkage part's drive effect, can drive cooling nozzle 38 and grinding agent filler pipe 37 and carry out reciprocating motion along the direction of case 13, in the grinding process, grinding agent filler pipe 37 can continue to add the grinding agent to case 13 surface, and along with grinding agent filler pipe 37's reciprocating motion, can make the even surface of attaching to case 13 of machine of grinding, do not need staff's manual work to add the grinding agent, not only can avoid taking place the production accident when the manual work is paintd the grinding agent, can also make the attachment of grinding agent more even, further improve the machining precision, cooling nozzle 38 is used for spraying the coolant liquid to case 13 surface, prevent that case 13 and valve seat 14 from overheated the deformation.
The linkage component comprises a driving gear 28, a driven gear 29, a driving shaft 25 and a connecting shaft 35, the driving gear 28 is sleeved on one side of the double-shaft motor 23 away from the driving rod 34, the driving shaft 25 is connected to the inner wall of the bottom of the workbench 1 in a driving mode, the driven gear 29 is sleeved on the driving shaft 25, the driving gear 28 is meshed with the driven gear 29, the connecting shaft 35 is connected to the inner wall of the bottom of the mounting frame 2 in a rotating mode, the driving shaft 25 is in transmission connection with the connecting shaft 35, and the connecting shaft 35 is in transmission connection with the reciprocating screw rod 36; when the double-shaft motor 23 rotates, the driving gear 28 is simultaneously driven to rotate, the driving shaft 25 drives the connecting shaft 35 to rotate, the connecting shaft 35 continuously drives the reciprocating screw rod 36 to move, the two groups of valve seats 14 are driven to do reciprocating swing, meanwhile, the grinding agent filling pipe 37 can be driven to do reciprocating movement, and the grinding machine is uniformly attached to the surface of the valve core 13.
The working principle is as follows: the rotating assembly can drive the valve core 13 to continuously rotate and rub with the two groups of valve seats 14, so that the valve core 13 is completely attached to the two groups of valve seats 14 corresponding to the valve core 13, no gap exists, the sealing performance of the assembled ball valve is ensured, the service life of the ball valve is prolonged, the cooling assembly can automatically inject grinding agents into the rotating valve core 13, the dry grinding phenomenon before the valve core 13 and the valve seats 14 is prevented, the grinding of the valve core 13 and the valve seats 14 is more thorough, the cooling assembly can also automatically spray cooling liquid to the rotating valve core 13, the deformation of the valve core 13 and the valve seats 14 caused by overheating is prevented, and the processing quality of the valve seats 14 and the valve core 13 is improved;
when the abrasive machining begins, the work of biax motor 23, drive the terminal circular slider 32 motion of actuating lever 34, and because circular slider 32 cooperatees through spout 33 and arc drive plate 31 structure, circular slider 32 can drive the motion of arc drive plate 31, arc drive plate 31 can continue to drive axis of rotation 30 and carry out the reciprocating motion of small-amplitude, and then drive two sets of disk seats 14 that are located axis of rotation 30 top and carry out reciprocating motion, and then make two sets of disk seats 14 can last fast and grind each other between the case 13, in order to guarantee that the contact surface of two sets of disk seats 14 and case 13 is laminated completely.
After the valve core 13 is sleeved on the rotating shaft 30, a user rotates the rotating handle 18, and the limiting block 20 is driven by the threaded rod 19 to move towards the rotating shaft 30, so that the limiting block 20 is attached to the tail end of the rotating shaft 30, the rotating shaft 30 can be kept stable in the rotating process, and the machining precision of the valve core 13 and the valve seat 14 is further improved.
When the double-shaft motor 23 rotates, the driving gear 28 is simultaneously driven to rotate, the driving shaft 25 drives the connecting shaft 35 to rotate, the connecting shaft 35 continuously drives the reciprocating screw rod 36 to move, the two groups of valve seats 14 are driven to do reciprocating swing, meanwhile, the grinding agent filling pipe 37 can be driven to do reciprocating movement, and the grinding machine is uniformly attached to the surface of the valve core 13.
Reciprocating screw 36 is under linkage part's drive effect, can drive cooling nozzle 38 and grinding agent filler pipe 37 and carry out reciprocating motion along the direction of case 13, in the grinding process, grinding agent filler pipe 37 can continue to add the grinding agent to case 13 surface, and along with grinding agent filler pipe 37's reciprocating motion, can make the even surface of attaching to case 13 of machine of grinding, do not need staff's manual work to add the grinding agent, not only can avoid taking place the production accident when the manual work is paintd the grinding agent, can also make the attachment of grinding agent more even, further improve the machining precision, cooling nozzle 38 is used for spraying the coolant liquid to case 13 surface, prevent that case 13 and valve seat 14 from overheated the deformation.
The above-mentioned embodiment only expresses one embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The machining process of the ball valve seat is characterized by comprising the following steps of:
s1: placing the blank into a forging machine for forging;
s2: placing the forged valve core (13) and the forged valve seat (14) in a ball valve grinding machine for grinding, wherein the ball valve grinding machine comprises:
installing the valve core (13) and the valve seat (14) on a corresponding clamp of the ball valve grinding machine;
the ball valve grinding machine grinds the valve core (13) and the valve seat (14);
the ball valve grinding machine automatically adds grinding agent to the surface of the valve core (13);
the ball valve grinder sprays cooling liquid to the surface of the valve core (13) to prevent the valve core (13) and the valve seat (14) from being deformed due to overheating;
s3: and taking out the grinded valve core (13) and the valve seat (14).
2. The process for machining a ball valve seat according to claim 1, wherein the ball valve grinder comprises:
the rotary table comprises a workbench (1), wherein a group of rotary components are arranged at the top of the workbench (1), and a group of mounting frames (2) are arranged at one side, close to the rotary components, of the top of the workbench (1);
the limiting assembly is arranged beside the rotating assembly;
the two groups of clamping assemblies are arranged beside the rotating assembly at intervals;
the cooling component is arranged at the top of the mounting rack (2);
a drive assembly arranged below the table (1);
wherein the driving component comprises a double-shaft motor (23), a rotating shaft (30), a linkage part, an arc driving plate (31), a driving rod (34) and a circular slider (32), the double-shaft motor (23) is arranged at the bottom of the workbench (1), the rotating shaft (30) is rotationally connected to the workbench (1), the arc-shaped driving plate (31) is arranged at the bottom of the rotating shaft (30), the drive rod (34) is arranged on an output shaft of the double-shaft motor (23), the circular slider (32) is rotationally connected with one side of the driving rod (34) far away from the double-shaft motor (23), a group of sliding grooves (33) are formed in the arc-shaped driving plate (31), the circular sliding block (32) is structurally matched with the arc-shaped driving plate (31) through the sliding grooves (33), and a group of supporting plates (8) is arranged at the top of the rotating shaft (30).
3. The machining process of the ball valve seat according to claim 2, characterized in that: every group the centre gripping subassembly all includes support column (7), driving electric jar (17), spacing telescopic link (27) and electric clamping jaw (15), support column (7) set up the top of backup pad (8), spacing telescopic link (27) set up on the lateral wall of support column (7), electric clamping jaw (15) set up on the activity of spacing telescopic link (27) is served, driving electric jar (17) set up support column (7) are kept away from one side of spacing telescopic link (27), the output of driving electric jar (17) with electric clamping jaw (15) fixed connection, every group all be provided with a set of disk seat (14) on the exposed of electric clamping jaw (15).
4. The machining process of the ball valve seat according to claim 3, wherein the machining process comprises the following steps: the top of the supporting plate (8) is provided with a group of collecting boxes (9).
5. The machining process of the ball valve seat according to claim 2, characterized in that: the rotating assembly comprises an installation column (6), a driving motor (5) and an elastic chuck (11), wherein the installation column (6) is arranged at the top of the workbench (1), the elastic chuck (11) is rotatably connected to the installation column (6), the driving motor (5) is arranged at the side of the installation column (6), the driving motor (5) is connected with the elastic chuck (11) in a transmission manner, a group of rotating rods (12) are arranged at the clamping end of the elastic chuck (11), and a group of valve cores (13) are sleeved on the rotating rods (12).
6. The machining process of the ball valve seat according to claim 5, wherein the machining process comprises the following steps: spacing subassembly is including fixed column (16), rotation handle (18), threaded rod (19), stopper (20), slide bar (21) and connecting rod (22), fixed column (16) set up one side of erection column (6) is kept away from at workstation (1) top, threaded rod (19) rotate to be connected on fixed column (16), stopper (20) with threaded rod (19) threaded connection, slide bar (21) with fixed column (16) sliding fit on the horizontal direction, the top of connecting rod (22) with the bottom fixed connection of stopper (20), the bottom of connecting rod (22) with slide bar (21) fixed connection, stopper (20) are kept away from the one end of threaded rod (19) with dwang (12) rotate to be connected.
7. The machining process of the ball valve seat according to claim 2, characterized in that: the cooling assembly comprises a cooling liquid storage tank (4), an abrasive storage tank (3), a reciprocating screw rod (36), a cooling spray head (38) and an abrasive filling pipe (37), wherein the cooling liquid storage tank (4) and the abrasive storage tank (3) are arranged at the top of the mounting rack (2) at intervals, the reciprocating screw rod (36) is arranged on the inner wall of the bottom of the mounting rack (2), the cooling spray head (38) and the abrasive filling pipe (37) are arranged at the bottom of a sliding block of the reciprocating screw rod (36) at intervals, electromagnetic valves are arranged in the cooling spray head (38) and the abrasive filling pipe (37), the cooling spray head (38) is communicated with the inside of the cooling liquid storage tank (4), and the abrasive filling pipe (37) is communicated with the inside of the abrasive storage tank (3).
8. The machining process of the ball valve seat according to claim 7, wherein: linkage part is including driving gear (28), driven gear (29), drive shaft (25) and connecting axle (35), driving gear (28) cover is established biax motor (23) is kept away from one side of actuating lever (34), drive shaft (25) initiative is connected on the bottom inner wall of workstation (1), driven gear (29) cover is established on drive shaft (25), driving gear (28) with driven gear (29) meshing, connecting axle (35) rotate to be connected on the bottom inner wall of mounting bracket (2), drive shaft (25) with connecting axle (35) transmission is connected, connecting axle (35) with reciprocal lead screw (36) transmission is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210500174.9A CN114700832A (en) | 2022-05-09 | 2022-05-09 | Machining process of ball valve seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210500174.9A CN114700832A (en) | 2022-05-09 | 2022-05-09 | Machining process of ball valve seat |
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| Publication Number | Publication Date |
|---|---|
| CN114700832A true CN114700832A (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210500174.9A Pending CN114700832A (en) | 2022-05-09 | 2022-05-09 | Machining process of ball valve seat |
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| Country | Link |
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| CN (1) | CN114700832A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115890461A (en) * | 2023-02-24 | 2023-04-04 | 泰兴市兴华气阀有限公司 | Valve accessory polishing processing apparatus |
| CN116197771A (en) * | 2023-03-10 | 2023-06-02 | 浙江欧菲石油设备有限公司 | Ball valve processing equipment |
| CN116197771B (en) * | 2023-03-10 | 2024-04-30 | 浙江欧菲石油设备有限公司 | Ball valve processing equipment |
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| DE2400077A1 (en) * | 1974-01-02 | 1975-07-17 | Alfred Butz | Grinder for sealing faces of slide valves - uses a grinding wheel which carries out a planetary movement round the valve seat |
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| CN213289730U (en) * | 2020-09-30 | 2021-05-28 | 鼎达阀门有限公司 | Grinding device is used in ball valve production and processing |
| CN113400140A (en) * | 2021-05-18 | 2021-09-17 | 温州阿泰科机械科技有限公司 | Ball refiner |
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| DE2400077A1 (en) * | 1974-01-02 | 1975-07-17 | Alfred Butz | Grinder for sealing faces of slide valves - uses a grinding wheel which carries out a planetary movement round the valve seat |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115890461A (en) * | 2023-02-24 | 2023-04-04 | 泰兴市兴华气阀有限公司 | Valve accessory polishing processing apparatus |
| CN116197771A (en) * | 2023-03-10 | 2023-06-02 | 浙江欧菲石油设备有限公司 | Ball valve processing equipment |
| CN116197771B (en) * | 2023-03-10 | 2024-04-30 | 浙江欧菲石油设备有限公司 | Ball valve processing equipment |
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