CN106041715B - A kind of valve body tapered surface grinding tool and grinding method - Google Patents
A kind of valve body tapered surface grinding tool and grinding method Download PDFInfo
- Publication number
- CN106041715B CN106041715B CN201610606365.8A CN201610606365A CN106041715B CN 106041715 B CN106041715 B CN 106041715B CN 201610606365 A CN201610606365 A CN 201610606365A CN 106041715 B CN106041715 B CN 106041715B
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- grinding
- tapered surface
- valve body
- lapping stick
- abrasive body
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- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000005553 drilling Methods 0.000 claims abstract description 17
- 241000500881 Lepisma Species 0.000 claims description 14
- 229910000679 solder Inorganic materials 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 8
- 208000002925 dental caries Diseases 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 description 20
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000003746 surface roughness Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/02—Lapping machines or devices; Accessories designed for working surfaces of revolution
-
- 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
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- 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
- B24B37/11—Lapping tools
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines 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
- B24B5/14—Machines 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 conical surfaces, e.g. of centres
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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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The present invention relates to a kind of valve body tapered surface grinding tool and grinding method, grinding tool includes abrasive body, lapping stick and spring, and grinding external surface is provided with the caulking groove being adapted to lapping stick, and caulking groove bottom is provided with spring cavity, and spring is mounted in spring cavity；The outer surface of lapping stick is provided with counter sink, there is adjusting screw in counter sink, adjusts screw tail portion and screws in abrasive body, spring is withstood on lapping stick, the outer surface of lapping stick is higher by the outer surface of abrasive body, and lapping stick is parallel with the bus of abrasive body, and it is vertical with lapping stick to adjust screw；Grinding method includes grinding process, and grinding process is ground using grinding tool, and abrasive body is mounted on numerical control drilling machine on main shaft, and valve body is mounted on numerical control drilling machine workbench, and the main shaft of numerical control drilling machine drives lapping stick to grind valve body tapered surface.The present invention is applied on faucet valve tapered surface the pressure that lapping stick applies using spring, to grind to tapered surface, roughness can achieve 0.2.
Description
Technical field
The present invention relates to valve technology field more particularly to a kind of valve body tapered surface grinding tools and grinding method.
Background technique
Plug valve is using a kind of earliest valve, and structure is simple, switch is rapid, fluid resistance is small.The work of plug valve
Principle: using the cock body with through-hole as the valve of opening and closing element, and cock body is rotated with valve rod, to realize switching motion.The rotation of plug valve
Cock body is mostly cone, the circular cone hole face cooperation composition sealing pair with valve body.Lubricant plug valve is most important one kind.It is special
Lubricating grease injected between valve body taper hole and cock body from cock body top, form oil film to reduce opening and closing torque, improve leakproofness and
Service life.Its operating pressure is up to 64 megapascal, and maximum operating temperature is up to 325 DEG C, and maximum caliber is up to 600 millimeters.Rotation
There are many forms in the channel of plug valve.Common through type is mainly used for that fluid is truncated.Plug valve is mainly for opening and closing pipeline
It is used with equipment medium.The valve body conical surface must coincide with cock frustoconical bevel angle, and the roughness requirements of tapered surface are high.Cock
The tapered surface angle and roughness of (plug) can be ground on cylindrical grinder to be reached.But valve body is obform body, cannot pass through mill
Bed carries out grinding tapered surface.Valve body tapered surface is processed on numerical control vertical lathe, it is ensured that and the angle of tapered surface is coarse
Degree can achieve 3.2, but cannot meet the requirements.
Summary of the invention
The present invention is intended to provide valve body tapered surface grinding tool and grinding method, using grinding tool spring to grinding row replacement
The pressure added is applied on faucet valve tapered surface, to grind to tapered surface, roughness can achieve 0.2.
In order to achieve the above objectives, The technical solution adopted by the invention is as follows:
A kind of valve body tapered surface grinding tool, including abrasive body, lapping stick and spring, the abrasive body are rounding mesa-shaped,
The grinding external surface is provided with the caulking groove being adapted to lapping stick, and caulking groove bottom is at least provided with 2 spring cavitys, spring cavity interval row
Point-blank, the orientation of spring cavity and the bus of abrasive body are parallel, and spring is equipped in spring cavity for column；
The outer surface of the lapping stick is provided with counter sink, there is adjusting screw in counter sink, and the adjusting screw tail portion screws in
In abrasive body, spring is withstood on lapping stick, and the outer surface of lapping stick is higher by the outer surface of abrasive body, the mother of lapping stick and abrasive body
Line is parallel, and adjusting screw is vertical with lapping stick, and the lapping stick at least 2, lapping stick is along the circumferential direction arranged at equal intervals.
Further, the lapping stick has 4.
Further, the top and bottom of the caulking groove perforation abrasive body, the bottom of abrasive body is equipped with circular limit
Plate, the diameter of limit plate are less than the diameter of abrasive body bottom surface, and the diameter of limit plate is greater than caulking groove to the distance of grinding body axis.
It further, further include taper shank and terminal pad, the terminal pad and cone affixed with terminal pad at the top of the abrasive body
Handle is affixed, and taper shank is coaxial with abrasive body.
Further, each caulking groove bottom is provided with 6-10 spring cavity.
Further, each caulking groove bottom is provided with 8 spring cavitys, and interval is provided with 2 counter sinks on each lapping stick.
A kind of valve body tapered surface grinding method, including grinding process, the grinding process be using the grinding tool into
Row grinding, abrasive body is mounted on numerical control drilling machine on main shaft, valve body is mounted on numerical control drilling machine workbench, numerical control drilling machine
Main shaft drive lapping stick valve body tapered surface is ground.
Further, first carry out grinding process before the grinding process, the grinding process be using grinding fixture into
Row grinding, the grinding fixture includes motor and grinding wheel, and grinding fixture is mounted on the knife rest of numerical control vertical lathe, and valve body is pacified
On the workbench of numerical control vertical lathe, workbench band moving valve rotates, and knife rest walking program pumps, motor driven grinding wheel
Valve body tapered surface is ground, the motion profile of knife rest is conical helix.
Further, angle detection is carried out to valve body tapered surface after the grinding process, angle detection includes following step
It is rapid:
Step 1. is along the circumferential direction uniformly labelled to few 3 slicker solder items, slicker solder item and valve body tapered surface on valve body tapered surface
Bus it is parallel；
The cock not being ground is put into valve chamber by step 2., and acts on certain pressure in cock；
Step 3. takes out cock, measures the thickness of the slicker solder item flattened；
Step 4. judges whether valve body tapered surface and the taper of cock tapered surface are kissed according to the thickness of the slicker solder item flattened
It closes.
Further, if the taper of valve body tapered surface and cock tapered surface misfits the following behaviour of progress in the step 4
Make, when processing the cock conical surface with cylindrical grinder, finely tunes the angle of cylindrical grinder bistrique, make the angle of bistrique and valve body tapered surface
Taper matching.
Further, in the grinding process, the direction of rotation of grinding wheel and the direction of rotation of valve body are identical.
Compared with prior art, the invention has the following advantages:
1. the present invention is applied on faucet valve tapered surface the pressure that lapping stick applies using spring, thus to tapered surface
It is ground, roughness can achieve 0.2；
2. valve body taper surface roughness can achieve 3.2 after numerical control vertical lathe programs Vehicle Processing, changing machine is not had at this time
Bed is directly entered grinding process of the invention, saves working hour, and valve body taper surface roughness can reach 0.8；
3. the present invention is detected for valve body tapered surface angle, the detection method of design specialized, guarantee valve body tapered surface and rotation
The taper of plug meets the requirements；
4. the present invention is directed to the dedicated grinding tool of valve body tapered surface fabrication design, tooling couples with numerical control drilling machine, grinds work
It loads onto down and moves reciprocatingly, the pressure that lapping stick applies is applied on faucet valve tapered surface using grinding tool spring, from
And tapered surface is ground, roughness can achieve 0.2.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of grinding tool in the present invention；
Fig. 2 is the main view of grinding fixture in the present invention；
Fig. 3 is the side view of grinding fixture in the present invention；
In figure: 1- abrasive body, 2- lapping stick, 3- spring, 4- adjust screw, 5- taper shank, 6- transit joint, 7- screw C, 8-
Screw A, 9- screw B, 10- terminal pad, 11- limit plate, 12- connecting plate, 13- grinding wheel, 14- motor, 15- bearing, 16- synchronous belt
Wheel shaft, 17- bearing block, 18- synchronous belt, 19- mounting portion, 20- nut, 21- washer, 22- bearing (ball) cover A, 23- bearing (ball) cover B,
24- soket head cap screw, 25- outer-hexagonal bolt.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing, to the present invention into
Row is further described.
Embodiment 1
As shown in Figure 1, valve body tapered surface grinding tool disclosed in the present embodiment, including abrasive body 1, lapping stick 2 and spring
3, abrasive body 1 is rounding mesa-shaped, and 1 outer surface of abrasive body is provided with the caulking groove being adapted to lapping stick 2, and caulking groove bottom is at least provided with 2
Spring cavity, spring cavity are alternatively arranged point-blank, and the orientation of spring cavity is parallel with the bus of abrasive body 1, spring cavity
In spring 3 is installed；The outer surface of lapping stick 2 is provided with counter sink, has in counter sink and adjusts screw 4, adjusts 4 tail portion of screw and screws in
In abrasive body 1, spring 3 is withstood on lapping stick 2, and the outer surface of lapping stick 2 is higher by the outer surface of abrasive body 1, lapping stick 2 and grinding
The bus of body 1 is parallel, adjusts that screw 4 is vertical with lapping stick 2, and lapping stick 2 at least 2, lapping stick 2 is along the circumferential direction at equal intervals
Setting.The abradant surface of lapping stick 2 is cylinder.Lapping stick 2 is along the circumferential direction equipped with 4 at equal intervals, and spring 3 is helical spring.
According to the size of valve body valve chamber, each lapping stick 2 is furnished with 6-10 spring 3, i.e., each caulking groove bottom is provided with 6-10
A spring cavity.Each lapping stick 2 is furnished with 8 springs 3 in the present embodiment, and interval is provided with 2 counter sinks on each lapping stick 2, sinks
Straight line where head bore is parallel with lapping stick 2.Adjusting screw 4 is that interior hexagonal adjusts screw.
Valve body tapered surface grinding tool further includes taper shank 5 and terminal pad 10, and 1 top of abrasive body is affixed with terminal pad 10, even
It connects disk 10 and taper shank 5 is affixed, taper shank 5 and abrasive body 1 are coaxial, and taper shank 5 is Morse taper shank, and taper shank 5 and terminal pad 10 are welded.Grinding
Body 1 is connect by screw A8 with terminal pad 10, and terminal pad 10 is connect by screw B9 with transit joint 6.Screw A and screw B are
Soket head cap screw.
For convenience of processing, the top and bottom of the caulking groove perforation abrasive body 1 of lapping stick 2 are placed, are set in the bottom of abrasive body 1
Limit plate 11 is set, limit plate 11 is affixed by screw C7 and abrasive body 1.Limit plate 11 is circle, and the diameter of limit plate 11 is less than
The diameter of 1 bottom surface of abrasive body, the diameter of limit plate 11 are greater than caulking groove bottom surface to the distance of 1 axis of abrasive body so that it is convenient to install
Lapping stick 2, limit plate 11 can also give 2 one upward support forces of lapping stick.
The taper of abrasive body 1 in the present embodiment in grinding tool is consistent with valve body taper, designs the cylinder face of lapping stick 2
The sum of product is equal with the lateralarea of abrasive body 1, that is to say, that the sum of cylinder area of 4 lapping sticks 2 removes embedding with abrasive body 1
Lateralarea after slot is equal.The material of abrasive body 1 is cast aluminium alloy gold, light-weight, and lapping stick 2 is ironcasting.Numerical control slightly adds
The tapered surface of work abrasive body 1, the caulking groove of the embedding deficient lapping stick 2 of Cutter Body Processing with Machining Center, helical spring is mounted on abrasive body 1,
After lapping stick 2 is mounted on caulking groove, abrasive body 1 and lapping stick 2 are re-worked again on numerically-controlled machine tool with adjusting after screw 4 compresses
External conical surface guarantees that taper is consistent with valve body tapered surface taper.By adjusting screw 4 to the pressure of lapping stick 2, spiral shell is adjusted
It revolves spring and passes through the pretightning force to valve body tapered surface of lapping stick 2, and guarantee that lapping stick height is at least higher by abrasive body.
Valve body tapered surface grinding method disclosed in the present embodiment, including grinding process, grinding process are using grinding tool
It is ground, abrasive body 1 is mounted on numerical control drilling machine on main shaft, valve body is mounted on numerical control drilling machine workbench, and is made
Abrasive body 1 and valve body tapered surface are coaxial；Start numerical control drilling machine, the main shaft of numerical control drilling machine drive lapping stick 2 to valve body tapered surface into
Row grinding.
Grinding tool is connect with numerical control drilling machine main shaft by taper shank and is installed, rotating piston valve body installation to be ground and school
It is fixed after flat school circle, adjusts the position of grinding tool and valve body tapered surface to be ground, keep abrasive body 1 and valve body tapered surface same
Axis.Numerical control programming, numerical control drilling machine main shaft pump and rotate, and numerical control drives grinding tool to pump and revolve
Turn, when grinding tool descends rotary motion upwards, lapping stick and valve body tapered surface carry out fricting movement, to carry out to tapered surface
Grinding, roughness can achieve 0.2.
Embodiment 2
The present embodiment the difference from embodiment 1 is that: first carry out grinding process, grinding process before carrying out grinding process
It is ground using grinding fixture, grinding fixture includes motor and grinding wheel, and grinding fixture is mounted on to the knife of numerical control vertical lathe
On frame, valve body is mounted on the workbench of numerical control vertical lathe, workbench band moving valve rotates, and knife rest walking program is up and down reciprocatingly transported
Dynamic, motor driven grinding wheel is ground valve body tapered surface, and the motion profile of knife rest is conical helix.
Further, the direction of rotation of grinding wheel and the direction of rotation of valve body are identical.
As shown in Fig. 2, the present embodiment discloses a kind of grinding fixture, grinding fixture includes connecting plate 12, grinding wheel 13, motor
14, bearing 15, synchronous belt wheel shaft 16 and bearing block 17, motor 14 and bearing block 17 are mounted on connecting plate 12, and motor 14 passes through
Synchronous belt 18 is connect with synchronous pulley, and synchronous pulley is mounted on synchronous belt wheel shaft 16；There are two bearing blocks 17, synchronous pulley position
Between two bearing blocks 17.Synchronous belt wheel shaft 16 is mounted on bearing block 17 by bearing 15, and 16 one end of synchronous belt wheel shaft is stretched
Connecting plate 12 out, grinding wheel 13 are coaxially mounted on synchronous belt wheel shaft 16, and grinding wheel 13 is located at synchronous belt wheel shaft 16 and stretches out connecting plate 12
The end of one end.
Of course, connecting plate 12 is equipped with the mounting portion 19 for being mounted on tooling on vertical vehicle.The outer end of grinding wheel 13 is set
There is nut 20, nut 20 is threadedly coupled with synchronous belt wheel shaft 16, and grinding wheel 13 is mounted on synchronous belt wheel shaft 16 by nut 20.Sand
There are two wheels 13, and washer 21 is equipped between two grinding wheels 13.Synchronous belt 18 is the arc tooth synchronous belt of plugging into that is open, and bearing 15 is deep
Ditch ball bearing, motor 14 are three-phase motor.
Numerical control vertical lathe mill faucet valve tapered surface tooling further include the bearing (ball) cover A22 that is fixedly mounted on bearing block 17 and
Bearing (ball) cover B23, bearing (ball) cover A22 are located at the end of 16 other end of synchronous belt wheel shaft, and bearing (ball) cover B23 is sleeved on synchronous pulley
On axis 16.Bearing (ball) cover A22 and bearing (ball) cover B23 is mounted on bearing block 17 by soket head cap screw 24, and motor 14 passes through outer
Hex bolts 25 is mounted on connecting plate 12.
Cock valve body tapered surface programs Vehicle Processing in numerical control vertical lathe, it is ensured that the angle of tapered surface, roughness can be with
Reach 3.2.After the completion of tapered surface Vehicle Processing, workpiece not under, grinding fixture is mounted on numerical control vertical lathe knife rest and is fixed, electricity
Machine 14 rotates, and drives 13 high-speed rotation of grinding wheel on synchronous belt wheel shaft 16, numerical control vertical lathe programming, walking program band by synchronous belt 18
Movable knife rack pumps, and the motion profile of knife rest is conical helix, and grinding wheel 13 is ground valve body tapered surface, coarse
Degree can achieve 0.8.After numerical control vertical lathe programs Vehicle Processing, does not have to replacement lathe, directly grinding fixture is mounted on knife rest
, save working hour.
Embodiment 3
The present embodiment and the difference of embodiment 1 or embodiment 2 are: carrying out angle to valve body tapered surface after grinding process
Degree detection, angle detection the following steps are included:
Step 1. is along the circumferential direction uniformly labelled to few 3 slicker solder items, slicker solder item and valve body tapered surface on valve body tapered surface
Bus it is parallel；
The cock not being ground is put into valve chamber by step 2., and acts on certain pressure in cock；
Step 3. takes out cock, measures the thickness of the slicker solder item flattened.
Step 4. judges whether valve body tapered surface and the taper of cock tapered surface are kissed according to the thickness of the slicker solder item flattened
It closes.
Further, it if the taper of valve body tapered surface and cock tapered surface is misfitted and performed the following operation in step 4, uses
When cylindrical grinder processes the cock conical surface, the angle of cylindrical grinder bistrique is finely tuned, the angle of bistrique and the taper of valve body tapered surface are made
Matching.
To the valve body tapered surface angle detection after grinding, 4 identical slicker solder items are uniformly pressed on valve body tapered surface, with not having
There is the cock of grinding to be put into valve body taper hole and act on certain pressure in cock, then cock is taken out, is surveyed with outside micrometer
4 slicker solder thickness flattened are measured, valve body tapered surface is calculated and whether the taper of cock tapered surface coincide；If misfitting,
Then when cylindrical grinder processes the cock conical surface, the angle of bistrique is finely tuned, the angle of bistrique and the taper of valve body tapered surface are matched,
This ensures that the cock conical surface after grinding and valve body tapered surface coincide.
The method of the present invention is simple and practical, solves the hang-up of production and processing by production verifying, the simple process is feasible, behaviour
Facilitate, effect is obvious.
The present invention is directed to the dedicated grinding fixture of valve body tapered surface fabrication design, and grinding fixture is mounted on numerical control vertical lathe knife rest
On, by the motor band rotary bistrique on grinding fixture, numerical control programming is ground tapered surface, and roughness can achieve 0.8；Again
The grinding tool of design specialized, tooling couple with numerical control drilling machine, and grinding tool moves reciprocatingly up and down, using spring to lapping stick
The pressure of application is applied on faucet valve tapered surface, to grind to tapered surface, roughness can achieve 0.2.To grinding
Valve body tapered surface angle detection after mill, guarantees that conical surface roughness and taper meet the requirements.
Certainly, the present invention can also have other numerous embodiments, without deviating from the spirit and substance of the present invention,
Those skilled in the art can make various corresponding changes and modifications, but these corresponding changes and change according to the present invention
Shape all should fall within the scope of protection of the appended claims of the present invention.
Claims (5)
1. utilizing the method for grinding tool grinding valve body tapered surface, it is characterised in that: including grinding process, the grinding process is
It is ground using grinding tool, the grinding tool includes abrasive body (1), lapping stick (2) and spring (3), the grinding
Body (1) is rounding mesa-shaped, and abrasive body (1) outer surface is provided with the caulking groove being adapted to lapping stick (2), and caulking groove bottom is at least provided with
2 spring cavitys, spring cavity are alternatively arranged point-blank, and the orientation of spring cavity is parallel with the bus of abrasive body (1), bullet
Spring (3) are installed in spring chamber；
The outer surface of the lapping stick (2) is provided with counter sink, has in counter sink adjusting screw (4), adjusting screw (4) tail portion
It screws in abrasive body (1), spring (3) is withstood on lapping stick (2), and the outer surface of lapping stick (2) is higher by the appearance of abrasive body (1)
Face, lapping stick (2) is parallel with the bus of abrasive body (1), and adjusting screw (4) is vertical with lapping stick (2), and the lapping stick (2) is extremely
Rare 2, lapping stick (2) is along the circumferential direction arranged at equal intervals；
Abrasive body (1) is mounted on numerical control drilling machine on main shaft, valve body is mounted on numerical control drilling machine workbench, numerical control drilling machine
Main shaft drives lapping stick (2) to grind valve body tapered surface；Angle inspection is carried out to valve body tapered surface after the grinding process
Survey, angle detection the following steps are included:
Step 1. is along the circumferential direction uniformly labelled to few 3 slicker solder items, the mother of slicker solder item and valve body tapered surface on valve body tapered surface
Line is parallel；
The cock not being ground is put into valve chamber by step 2., and acts on certain pressure in cock；
Step 3. takes out cock, measures the thickness of the slicker solder item flattened；
Step 4. judges whether valve body tapered surface and the taper of cock tapered surface coincide according to the thickness of the slicker solder item flattened；
Grinding process is first carried out before the grinding process, the grinding process is ground using grinding fixture, described
Grinding fixture includes motor and grinding wheel, and grinding fixture is mounted on the knife rest of numerical control vertical lathe, and valve body is mounted on numerical control vertical lathe
Workbench on；Workbench band moving valve rotates, and knife rest walking program pumps, and motor driven grinding wheel is to valve body tapered surface
It is ground, the motion profile of knife rest is conical helix；
If the taper of valve body tapered surface and cock tapered surface is misfitted and performed the following operation in the step 4, cylindrical grinder is used
When processing the cock conical surface, the angle of cylindrical grinder bistrique is finely tuned, the angle of bistrique and the taper of valve body tapered surface are matched, it is described
In grinding process, the direction of rotation of grinding wheel and the direction of rotation of valve body are identical.
2. according to the method described in claim 1, it is characterized by: the lapping stick (2) has 4.
3. according to the method described in claim 1, it is characterized by: the top and bottom of caulking groove perforation abrasive body (1), grind
The bottom of mill body (1) is equipped with circular limit plate (11), and the diameter of limit plate (11) is less than the diameter of abrasive body (1) bottom surface,
The diameter of limit plate (11) is greater than caulking groove to the distance of abrasive body (1) axis.
4. according to the method described in claim 1, it is characterized by also including taper shank (5) and terminal pad (10), the abrasive body
(1) top is affixed with terminal pad (10), and the terminal pad (10) and taper shank (5) are affixed, and taper shank (5) and abrasive body (1) are coaxial.
5. according to the method described in claim 1, it is characterized by: each caulking groove bottom is provided with 6-10 spring cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610606365.8A CN106041715B (en) | 2016-07-28 | 2016-07-28 | A kind of valve body tapered surface grinding tool and grinding method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610606365.8A CN106041715B (en) | 2016-07-28 | 2016-07-28 | A kind of valve body tapered surface grinding tool and grinding method |
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| Publication Number | Publication Date |
|---|---|
| CN106041715A CN106041715A (en) | 2016-10-26 |
| CN106041715B true CN106041715B (en) | 2019-04-19 |
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| CN201610606365.8A Active CN106041715B (en) | 2016-07-28 | 2016-07-28 | A kind of valve body tapered surface grinding tool and grinding method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106041715A (en) | 2016-10-26 |
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Effective date of registration: 20190911 Address after: No. 67 Industrial Avenue, Jinyuan town Dayi County Sichuan city Chengdu province 610000 Co-patentee after: CHENGDU CHENGFENG VALVE Co.,Ltd. Patentee after: CHENGDU CHENG GAO VALVE Co.,Ltd. Co-patentee after: CHENGDU CHENGFENG FLOW-TECH GROUP Co.,Ltd. Address before: Dayi County, Sichuan province 611330 Chengdu Jinyuan Town Industrial Avenue Patentee before: CHENGDU CHENG GAO VALVE Co.,Ltd. |
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Address after: No. 67, Section 1, Xueshan Avenue, Dayi County, Chengdu City, Sichuan Province, 611330 Patentee after: Chengdu Chenggao Valve Co.,Ltd. Patentee after: CHENGDU CHENGFENG VALVE Co.,Ltd. Patentee after: Chengfeng FLOW-TECH Group Address before: 610000 No. 67 Industrial Avenue, Jinyuan Town, Dayi County, Chengdu City, Sichuan Province Patentee before: CHENGDU CHENG GAO VALVE Co.,Ltd. Patentee before: CHENGDU CHENGFENG VALVE Co.,Ltd. Patentee before: CHENGDU CHENGFENG FLOW-TECH GROUP Co.,Ltd. |