CN104526585B - A kind of emery wheel for grinding valve and the method for grinding valve - Google Patents
A kind of emery wheel for grinding valve and the method for grinding valve Download PDFInfo
- Publication number
- CN104526585B CN104526585B CN201510006338.2A CN201510006338A CN104526585B CN 104526585 B CN104526585 B CN 104526585B CN 201510006338 A CN201510006338 A CN 201510006338A CN 104526585 B CN104526585 B CN 104526585B
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- China
- Prior art keywords
- valve
- line segment
- grinding
- emery wheel
- profile
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
- B24D5/10—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor with cooling provisions, e.g. with radial slots
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
Abstract
The invention discloses a kind of emery wheel for grinding valve and the method for grinding valve, emery wheel has the outer contour adapted with valve outline vertically, the outer contour of described emery wheel is by first line segment corresponding with valve retainer excircle configuration, second line segment corresponding with valve retainer male cone (strobilus masculinus) profile, threeth line segment corresponding with valve retainer inner conical surface profile, the circular arc line segment corresponding with air valve cervix arc profile and fourth line segment corresponding with air valve cervix profile are connected composition, in described emery wheel outer contour, the radius of circular arc line segment is less than the radius of air valve cervix arc profile, in described emery wheel outer contour, the length of the second line segment is more than the length of valve retainer male cone (strobilus masculinus) profile.Use described wheel grinding valve, it is possible to achieve the grinding of valve can be completed by clamped one time grinding, thus improve valve working (machining) efficiency and quality.
Description
Technical field
The invention belongs to film forming system and method, be specifically related to a kind of emery wheel for grinding valve and grinding valve
Method.
Background technology
Existing valve is when grinding, and valve retainer, cervical region contoured surface and the processing of dish end face are divided into two procedures to carry out, its
Middle valve retainer end face uses turnery processing, it is difficult to meet the high-end engine requirement on machining accuracy to valve retainer thickness.And valve retainer,
The processing of cervical region contoured surface (including valve retainer cylindrical, interior male cone (strobilus masculinus), arc surface), based on plain wheel form grinding, adds work efficiency
Rate is low, emery wheel loss is fast, processing dimension concordance is poor.
Summary of the invention
The problem that it is an object of the invention to exist for prior art, the one of proposition can be complete by clamped one time grinding
Become the emery wheel for grinding valve and the method for grinding valve of grinding, thus improve valve working (machining) efficiency and quality.
The technical scheme realizing the object of the invention is as follows:
The emery wheel for grinding valve that the present invention provides, has the outline adapted with valve outline vertically
Line, the outer contour of described emery wheel is corresponding with valve retainer male cone (strobilus masculinus) profile by first line segment corresponding with valve retainer excircle configuration
The second line segment threeth line segment corresponding with valve retainer inner conical surface profile circular arc line segment corresponding with air valve cervix arc profile
With fourth line segment corresponding with air valve cervix profile connects composition, in described emery wheel outer contour, the radius of circular arc line segment is less than gas
The radius of door cervical region arc profile, in described emery wheel outer contour, the length of the second line segment is more than the length of valve retainer male cone (strobilus masculinus) profile
Degree.
Described emery wheel is positioned at the end face of air valve cervix side and is provided with a little fillet surface and a bit of vertical.
The method using described wheel grinding valve that the present invention provides, comprises the following steps:
Step one, make the first line segment of emery wheel, a part for circular arc line segment and the 4th line segment respectively with valve retainer cylindrical take turns
Exterior feature, a part for air valve cervix arc profile and air valve cervix profile match and carry out grinding-shaping；
Step 2, emery wheel progressively move and make another part of circular arc line segment of emery wheel, the 3rd line segment and the second line segment respectively
Match carry out grinding with another part, valve retainer inner conical surface profile and the valve retainer male cone (strobilus masculinus) profile of air valve cervix arc profile
Molding；
Step 3, the little fillet surface utilizing abrasive wheel end face and a bit of vertical are successively by valve retainer end face grinding-shaping.
Described step one uses shaping grinding method, and emery wheel work at a certain angle enters grinding position.
Described step 2 uses NC Interpolation method.
Described step 3 uses radially plunge method.
Beneficial effects of the present invention:
1, by the clamped one time valve i.e. dish of grinding air outlet valve, cervical region contoured surface and dish end face, processing is significantly improved
Efficiency and the precision of dish thickness, save operation, valve retainer thickness error≤0.01 mm.
2, integrated valve retainer cross grinding and valve retainer, cervical region contoured surface grinding function, machine tool structure on a piece of emery wheel
Simple economy.
3, CBN emery wheel is used to be carried out the complexity of grinding valve with NC Interpolation method by the method that sectional forming grinding combines
Profile, significantly reduces grinding force, and its working (machining) efficiency and processing dimension concordance are substantially better than use plain wheel.
4, the idle running that disappears, the anti-collision that grinding wheel dynamic balance system is had, grinding can be made full use of during grinding end face
Journey is safe and reliable.
5, emery wheel is with little fillet surface region, end Even Grinding valve retainer end face, and emery wheel end wear is slight, uniform, emery wheel
The finishing degree of depth required during finishing is the least, therefore good grinding quality, and emery wheel durability is high.
6, the low-angle conical surface in emery wheel end is with radial direction plunge method grinding valve retainer end face, will necessarily be at valve in grinding process
Dish end forms the ever-reduced corresponding low-angle conical surface of diameter, and the two conical surface contacts, and its essence is that a line connects
Touching, therefore cutting force is little with heat in metal cutting, and coolant is also easily accessible grinding area.
Further illustrate technical scheme below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is grinding wheel structure schematic diagram of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is emery wheel outer contour schematic diagram of the present invention.
Fig. 4 is that the filing that the sectional forming that grinding valve retainer, cervical region contoured surface are used combines with NC Interpolation shows
It is intended to.
Fig. 5 is the little fillet surface of the emery wheel radially crush grinding method schematic diagram that grinding valve retainer end face is used.
Detailed description of the invention
As shown in Figure 1 and Figure 2, the emery wheel for grinding valve is CBN emery wheel, including steel matrix 1 be coated in steel matrix
CBN abrasive material 2.
As it is shown on figure 3, emery wheel has the outer contour adapted with valve outline vertically, the outer contour of emery wheel by
Corresponding with valve retainer male cone (strobilus masculinus) profile line segment d1e1 for the first line segment e2f2 corresponding with valve retainer excircle configuration line segment e1f1
The 3rd line segment c2d2 that two line segment d2e2 are corresponding with valve retainer inner conical surface profile line segment c1d1 and air valve cervix arc profile line
Circular arc line segment b2c2 and the fourth line segment a2b2 corresponding with air valve cervix profile line segment a1b1 that section b1c1 is corresponding connect composition, institute
State the radius R2 of circular arc line segment b2c2 in emery wheel outer contour and be less than the radius R1 of air valve cervix arc profile line segment b1c1, described
The length of the second line segment d2e2 length more than valve retainer male cone (strobilus masculinus) profile line segment d1e1, described emery wheel position in emery wheel outer contour
End face in air valve cervix side is provided with a little fillet surface of α and a bit of vertical H.Visible, the outer contour of emery wheel is except mill
The radius R2 of the circular arc line segment b2c2 cutting air valve cervix circular arc more smaller than the radius R1 of air valve cervix arc profile line segment b1c1 with
And the second line segment d2e2 of grinding valve retainer male cone (strobilus masculinus) more slightly longer than valve retainer male cone (strobilus masculinus) profile line segment d1e1 beyond, remaining outline
Line is identical with valve corresponding position profile line segment.
The method using described wheel grinding valve is the method that sectional forming grinding combines with NC Interpolation, such as Fig. 4
Shown in.Emery wheel wheel grinding position one shown in two-dot chain line during work enters Fig. 4 the most at a certain angle during grinding work piece, to become
Type filing is by valve retainer excircle configuration line segment e1f1 region, the left-hand component institute of air valve cervix arc profile line segment b1c1
At region and air valve cervix profile line segment a1b1 region grinding-shaping, now air valve cervix profile line segment a1b1, valve
The left-hand component of cervical region arc profile line segment b1c1 and valve retainer excircle configuration line segment e1f1 respectively with the 4th line segment of emery wheel
A2b2, the left-hand component of circular arc line segment b2c2 and the first line segment e2f2 match；Then with NC Interpolation method from wheel grinding position
Put one and be ground to wheel grinding position two, gradually by right-hand component region, the gas of air valve cervix arc profile line segment b1c1
Door dish inner conical surface profile line segment c1d1 region and valve retainer male cone (strobilus masculinus) profile line segment d1e1 region grinding-shaping, now
The right-hand component of air valve cervix arc profile line segment b1c1, valve retainer inner conical surface profile line segment c1d1 and valve retainer male cone (strobilus masculinus) profile
Line segment d1e1 matches with right-hand component, the 3rd line segment c2d2 and the second line segment d2e2 of abrasive wheel grinding wheel arc line segment b2c2 respectively.Number
The track of control interpolation is with the o point of air valve cervix arc profile line segment b1c1 as the center of circle, withR1-R2 is radius
Arc section rs.When emery wheel arrive final grinding position two time, valve c1 point with the right side be ground region contour (except valve retainer cylindrical with
It is completely superposed with right wheel wide (in addition to the contoured surface of grinding valve retainer cylindrical) with emery wheel c2 point outward).This grinding method is ensureing
While valve machined surface profile grinding accuracy, due on valve contour line in NC Interpolation grinding process c1 point with a left side grinding
Face gradually disengages with left half with c2 point on emery wheel contour line, thus significantly reduces grinding force, improves the cold of emery wheel
But situation, emery wheel durability significantly improves.
Grinding valve retainer end face method is as shown in Figure 5.Utilize the little fillet surface of α of emery wheel left end face, with radial direction plunge method
Grinding valve retainer end face, recycles a bit of vertical H for tarry matter valve retainer end face (seeing Fig. 3).
Claims (6)
1., for an emery wheel for grinding valve, there is the outer contour adapted with valve outline vertically, described emery wheel
Outer contour by first line segment corresponding with valve retainer excircle configuration, second line segment corresponding with valve retainer male cone (strobilus masculinus) profile,
Circular arc line segment that threeth line segment corresponding with valve retainer inner conical surface profile is corresponding with air valve cervix arc profile and and air valve cervix
The 4th line segment that profile is corresponding connects composition, it is characterized in that in described emery wheel outer contour, the radius of circular arc line segment is less than valve neck
The radius of portion's arc profile, in described emery wheel outer contour, the length of the second line segment is more than the length of valve retainer male cone (strobilus masculinus) profile.
Emery wheel for grinding valve the most according to claim 1, is characterized in that described emery wheel is positioned at air valve cervix side
End face be provided with a little fillet surface and a bit of vertical.
3. use a method for wheel grinding valve described in claim 2, it is characterized in that comprising the following steps:
Step one, make the first line segment of emery wheel, a part for circular arc line segment and the 4th line segment respectively with valve retainer excircle configuration, gas
A part and the air valve cervix profile of door cervical region arc profile match and carry out grinding-shaping；
Step 2, emery wheel progressively move make another part of circular arc line segment of emery wheel, the 3rd line segment and the second line segment respectively with gas
Door another part of cervical region arc profile, valve retainer inner conical surface profile and valve retainer male cone (strobilus masculinus) profile match and are ground to
Type；
Step 3, the little fillet surface utilizing abrasive wheel end face and a bit of vertical are successively by valve retainer end face grinding-shaping.
The method of wheel grinding valve the most according to claim 3, is characterized in that described step one uses shaping grinding method,
Emery wheel work at a certain angle enters grinding position.
5., according to the method for the wheel grinding valve described in claim 3 or 4, it is characterized in that described step 2 uses NC Interpolation
Method.
The method of wheel grinding valve the most according to claim 5, is characterized in that described step 3 uses radially plunge method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510006338.2A CN104526585B (en) | 2015-01-07 | 2015-01-07 | A kind of emery wheel for grinding valve and the method for grinding valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510006338.2A CN104526585B (en) | 2015-01-07 | 2015-01-07 | A kind of emery wheel for grinding valve and the method for grinding valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104526585A CN104526585A (en) | 2015-04-22 |
| CN104526585B true CN104526585B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510006338.2A Active CN104526585B (en) | 2015-01-07 | 2015-01-07 | A kind of emery wheel for grinding valve and the method for grinding valve |
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| CN (1) | CN104526585B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109848762A (en) * | 2019-01-12 | 2019-06-07 | 深圳西斯特科技有限公司 | A kind of valve retainer end face processing technology |
| CN115194572B (en) * | 2022-07-05 | 2024-01-12 | 山东理工大学 | Method for symmetrically grinding crankshaft journal |
| CN115302382A (en) * | 2022-07-26 | 2022-11-08 | 常熟市佳德汽车零部件有限公司 | Automatic surface polishing device for processing motorcycle engine protecting cover |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101249627A (en) * | 2008-04-08 | 2008-08-27 | 山东瑞丰汽车零部件有限公司 | Engines air valve cervix helical grinding technique |
| CN203495778U (en) * | 2013-09-23 | 2014-03-26 | 镇江维纳特气门有限公司 | Grinding wheel of grinding valve plate portion |
| CN203843705U (en) * | 2014-05-18 | 2014-09-24 | 郑州众邦超硬工具有限公司 | Multipurpose formed CBN grinding wheel for valve |
| CN204565933U (en) * | 2015-01-07 | 2015-08-19 | 宇环数控机床股份有限公司 | A kind of emery wheel for grinding valve |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11333687A (en) * | 1998-05-25 | 1999-12-07 | Fuji Oozx Inc | Method for grinding engine valve head part |
| JP2002079469A (en) * | 2000-09-06 | 2002-03-19 | Fuji Oozx Inc | Grinding wheel |
| JP5597101B2 (en) * | 2010-11-11 | 2014-10-01 | 本田技研工業株式会社 | Work grinding apparatus, work grinding method, engine valve grinding apparatus, and engine valve grinding method |
-
2015
- 2015-01-07 CN CN201510006338.2A patent/CN104526585B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101249627A (en) * | 2008-04-08 | 2008-08-27 | 山东瑞丰汽车零部件有限公司 | Engines air valve cervix helical grinding technique |
| CN203495778U (en) * | 2013-09-23 | 2014-03-26 | 镇江维纳特气门有限公司 | Grinding wheel of grinding valve plate portion |
| CN203843705U (en) * | 2014-05-18 | 2014-09-24 | 郑州众邦超硬工具有限公司 | Multipurpose formed CBN grinding wheel for valve |
| CN204565933U (en) * | 2015-01-07 | 2015-08-19 | 宇环数控机床股份有限公司 | A kind of emery wheel for grinding valve |
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| CN104526585A (en) | 2015-04-22 |
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