CN109443182A - Cylinder head valve sealing band and guide hole axiality detection device and its detection method - Google Patents
Cylinder head valve sealing band and guide hole axiality detection device and its detection method Download PDFInfo
- Publication number
- CN109443182A CN109443182A CN201811581889.1A CN201811581889A CN109443182A CN 109443182 A CN109443182 A CN 109443182A CN 201811581889 A CN201811581889 A CN 201811581889A CN 109443182 A CN109443182 A CN 109443182A
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- China
- Prior art keywords
- mandrel
- cutting edge
- support ring
- sealing band
- rotary table
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B5/252—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
A kind of cylinder head valve sealing band and guide hole axiality detection device and its detection method, are related to Automatic manual transmission trier technical field.The present invention solves the problems, such as existing cylinder head valve sealing band and guide hole axiality detection device detection time is too long, large labor intensity, low efficiency.Mandrel is coaxially plugged in valve guide bushing, the support ring is coaxially set on mandrel, it is precision-fit connection between mandrel and valve guide bushing and between mandrel and support ring, wherein support ring slides along mandrel axis direction and is arranged, the top of support ring is machined with the first rotary table section, cutting edge piece is installed in the bottom of support ring, a side of close valve sealing band is cutting edge on the cutting edge piece and the cutting edge is obliquely installed relative to mandrel axis direction, the cutting edge and valve sealing band intimate contact, dial framework is installed on the mandrel above support ring, amesdial is installed on dial framework and the gauge outfit of amesdial is supported and is located on the first rotary table section conical surface of support ring.
Description
Technical field
The present invention relates to inspection cubing and its detection methods in a kind of Automatic manual transmission, and in particular to a kind of cylinder head valve
Band and guide hole axiality detection device and its detection method.
Background technique
Engine is the pushed at high pressure Crankshaft motion generated after explosive combustion in the cylinder using fuel oil, air in cylinder
Inlet and outlet is the fitting of band 103 to be sealed with the cylinder head by valve to ensure to seal and open, and when valve-closing, is needed
Ensure that cylinder belongs to the state being fully sealed, guarantees the reliable and stable of engine combustion, and valve is along valve guide bushing 100
Guide hole move up and down, therefore cylinder head valve sealing band and guide hole concentricity directly affect the validity of process,
Significant impact is generated for the power performance of complete vehicle quality, especially automobile.
Since valve sealing band is tapered and very narrow, it is more difficult to directly measure.At present, cylinder head valve sealing band and conduit
Concentricity detection in hole is usually to be detected with concentricity instrument, three coordinate measuring machine etc., but this detection method has following deficiency:
It before detection, needs semi-finished product cylinder head assembly transporting out of assembly line, send to three coordinate measuring machine or concentricity instrument, transportation range
It is too long easily to knock hair and damage workpiece, also, when detecting, the processes such as centering are needed, the detection process time is long, large labor intensity, effect
Rate is low, at high cost, is generally used for inspecting by random samples, is not suitable for high-volume on-line checking.
Summary of the invention
The present invention is to solve existing cylinder head valve sealing band and guide hole axiality detection device detection time
The problem of too long, large labor intensity, low efficiency, and then provide a kind of cylinder head valve sealing band and guide hole concentricity detects
Device and its detection method.
Used technical solution is the present invention to solve above-mentioned technical problem:
A kind of cylinder head valve sealing band and guide hole axiality detection device, it include mandrel, support ring, cutting edge piece,
Dial framework and amesdial, the mandrel are coaxially plugged in valve guide bushing, and the support ring is coaxially set on mandrel, mandrel and gas
It between door conduit and is precision-fit connection between mandrel and support ring, wherein support ring is set along the sliding of mandrel axis direction
It sets, the top of support ring is machined with the first rotary table section, and cutting edge piece is installed in the bottom of support ring, close valve on the cutting edge piece
One side of band is cutting edge and the cutting edge is obliquely installed relative to mandrel axis direction, the cutting edge and valve sealing band
Intimate contact, institute between folded acute angle and cutting edge and mandrel axis between the cone element and mandrel axis of the first rotary table section
Pressing from both sides acute angle, folded acute angle is equal between the cone element of valve sealing band and mandrel axis, and dial framework is installed in above support ring
Mandrel on, amesdial be installed on dial framework and the gauge outfit of amesdial support be located on the first rotary table section conical surface of support ring.
Further, the top of mandrel is optical axis, and lower part is non-uniform shaft, and the non-uniform shaft includes from bottom to top successively
The first cylindrical section, the second cylindrical section, the second rotary table section and the third cylindrical section coaxially to fix as one, wherein the second rotary table section
Small end and the second cylindrical section are affixed, and the end diameter of the diameter of the second cylindrical section and the second rotary table section is respectively less than the first cylindrical section
Diameter setting, the conical surface of the second rotary table section and the inner wall top intimate contact of valve guide bushing, the first cylindrical section are led with valve
Precision-fit connects between pipe, and the diameter that the diameter of optical axis is less than third cylindrical section is arranged.
Further, the cutting edge of cutting edge piece is fin structure.
Further, the lower part of support ring is machined with third rotary table section, and the big end of the third rotary table section is close to the first circle
The setting of platform section, there are gaps between the conical surface and valve sealing band of third rotary table section.
Further, the bottom processing of support ring is fluted, and cutting edge piece is installed in groove.
Further, affixed by bolt between cutting edge piece and support ring.
A kind of detection method using above-mentioned detection device, it includes the following steps:
Step 1: the cylinder head for being machined with valve guide bushing, valve retainer and valve sealing band is placed on the table；
Step 2: mandrel is inserted vertically into valve guide bushing, so that the conical surface of the second rotary table section on mandrel is resisted valve and lead
The top of pipe；
Step 3: the support ring for being equipped with cutting edge piece to be set in the top of mandrel, until the cutting edge of cutting edge piece arrives to gas
On door sealing band；
Step 4: the top that dial framework is packed in mandrel by tightening screw；
Step 5: making the gauge outfit of amesdial arrive to the first rotary table section on support ring the bayonet of amesdial insertion dial framework
On the conical surface, pass through the fixed amesdial of pinching screw；
Step 6: manual rotating support circle, makes the cutting edge on cutting edge piece uniformly be pressed against the rotation of valve sealing band and turns around, valve
Coaxiality error between band and valve guide hole will be such that support ring moves up and down by cutting edge piece, by with valve sealing
The gauge outfit that amesdial is pushed with the identical first rotary table section conical surface of taper, is shown in numerical value on amesdial.
The present invention has the effect that compared with prior art
One, in the application with support ring circumferentially rotating along mandrel, pass through moving up and down for support ring, realize cutting edge piece
It is always intimate contact between cylinder head valve sealing band, valve sealing band and the numerical value of guide hole concentricity can be shown
It is shown on amesdial.The application structure is simple, at low cost, can fast and accurately on-line checking cylinder head valve sealing band with
The concentricity of guide hole.
Two, after the completion of one-time detection, a whole set of detection device is extracted from cylinder head, is inserted into next cylinder cover guide pipe hole
In detected.It does not need to reinstall detection device, detection efficiency is higher, simple to operation, laborsaving.
Detailed description of the invention
Fig. 1 is schematic front view (broken section) of the invention；
Fig. 2 is the main cross-sectional schematic diagram of cylinder head；
Fig. 3 is the schematic front view of mandrel；
Fig. 4 is the schematic front view (broken section) of support ring；
Fig. 5 is the main cross-sectional schematic diagram of cutting edge piece；
Fig. 6 is the A-A of Fig. 5 to schematic cross-sectional view.
Specific embodiment
Specific embodiment 1: illustrate present embodiment in conjunction with Fig. 1~6, a kind of cylinder head valve sealing band and guide hole
Axiality detection device, it includes mandrel 1, support ring 2, cutting edge piece 3, dial framework 4 and amesdial 5, and the mandrel 1 is coaxially plugged in
In valve guide bushing 100, the support ring 2 is coaxially set on mandrel 1, between mandrel 1 and valve guide bushing 100 and mandrel 1 with
It is precision-fit connection between support ring 2, wherein support ring 2 slides along 1 axis direction of mandrel and is arranged, the top of support ring 2
It is machined with the first rotary table section 21, cutting edge piece 3 is installed in the bottom of support ring 2, close valve sealing band 103 on the cutting edge piece 3
A side be that cutting edge 31 and the cutting edge 31 are obliquely installed relative to 1 axis direction of mandrel, the cutting edge 31 and valve sealing
103 intimate contact of band, folded acute angle and cutting edge 31 and mandrel between 1 axis of cone element and mandrel of the first rotary table section 21
Folded acute angle is equal between the cone element of valve sealing band 103 and 1 axis of mandrel for folded acute angle between 1 axis, dial framework 4
It is installed on the mandrel 1 of 2 top of support ring, amesdial 5 is installed on dial framework 4 and the gauge outfit of amesdial 5 supports and is located at support ring 2
On first rotary table section, 21 conical surface.The lower part of mandrel 1 is supported and is located in valve guide bushing 100, close to valve sealing band 103 on cutting edge piece 3
A side be cutting edge 31, folded acute angle and cutting edge 31 and core between 1 axis of cone element and mandrel of the first rotary table section 21
Folded acute angle is equal between the cone element of valve sealing band 103 and 1 axis of mandrel for folded acute angle between 1 axis of axis, phase
When on the conical surface that the conical surface of relatively narrow valve sealing band 103 has been extended to the first rotary table section 21, that is, facilitating measurement, and protect
The accurate of measurement result is demonstrate,proved.
In detection process, the relative position between amesdial 5, dial framework 4, mandrel 1 and valve guide bushing 100 is constant, turns manually
Dynamic support ring 2 makes cutting edge 31 uniformly turn around against the rotation of valve sealing band 103, with the circumferentially rotating along mandrel 1 of support ring 2,
By moving up and down for support ring 2, realize that between cutting edge piece 3 and 101 valve sealing band 103 of cylinder head be always that gapless connects
The numerical value of valve sealing band 103 and guide hole concentricity can be shown on amesdial 5 by touching.The first rotary table on support ring 2
Section 21 conical surfaces be it is high-precision be process, guarantee detection accuracy.The application structure is simple, at low cost, can fast and accurately exist
Line detects the concentricity of 101 valve sealing band 103 and guide hole of cylinder head.
The top of mandrel 1 is optical axis, and lower part is non-uniform shaft, and the non-uniform shaft includes sequentially coaxially affixed from bottom to top
The first cylindrical section 11, the second cylindrical section 12, the second rotary table section 13 and the third cylindrical section 14 being integrated, wherein the second rotary table section 13
Small end and the second cylindrical section 12 it is affixed, the end diameter of the diameter of the second cylindrical section 12 and the second rotary table section 13 is respectively less than
The diameter of one cylindrical section 11 is arranged, the conical surface of the second rotary table section 13 and the inner wall top intimate contact of valve guide bushing 100, and first
Precision-fit connects between cylindrical section 11 and valve guide bushing 100, and the diameter that the diameter of optical axis is less than third cylindrical section 14 is arranged.It is logical
Mandrel 1 is supported the nozzle position for being located at valve guide bushing 100 by the conical surface for crossing the second rotary table section 13, so that mandrel 1 in the detection process
Relative position between valve guide bushing 100 is constant.Second cylindrical section 12 is set, reduces the difficulty of processing of 1 lower part of mandrel, is easier to
Guarantee the precision-fit between 1 lower part of mandrel and valve guide bushing 100.The lower end of first cylindrical section 11 is machined with chamfering.Third circle
Shell of column 14 is used to limit the extreme lower position of support ring 2, so that will test in device global transfer to another valve guide bushing 100
When, third cylindrical section 14 holds support ring 2 and cutting edge piece 3 thereon, easy to remove so that it will not glide.
The cutting edge 31 of cutting edge piece 3 is fin structure.Contact between cutting edge piece 3 and valve sealing band 103 is point contact, is made
It is more accurate to obtain testing result.
The lower part of support ring 2 is machined with third rotary table section 22, and the big end of the third rotary table section 22 is close to the first rotary table section
21 settings, there are gaps between the conical surface and valve sealing band 103 of third rotary table section 22.Guarantee in the detection process, support ring 2
The conical surface of third rotary table section 22 will not be contacted with valve sealing band 103 when moving up and down, to guarantee cutting edge piece 3 and valve sealing
With the close contact between 103.
The bottom processing of support ring 2 is fluted, and cutting edge piece 3 is installed in groove.
It is affixed by bolt between cutting edge piece 3 and support ring 2.
A kind of detection method using above-mentioned detection device, it includes the following steps:
Step 1: the cylinder head 101 for being machined with valve guide bushing 100, valve retainer 102 and valve sealing band 103 is placed
On the table；
Step 2: mandrel 1 is inserted vertically into valve guide bushing 100, resist the conical surface of the second rotary table section 13 on mandrel 1
The top of valve guide bushing 100；
Step 3: the support ring 2 for being equipped with cutting edge piece 3 to be set in the top of mandrel 1, until the cutting edge 31 of cutting edge piece 3
It arrives on valve sealing band 103；
Step 4: the top that dial framework 4 is packed in mandrel 1 by tightening screw；
Step 5: amesdial 5 to be inserted into the bayonet of dial framework 4, the gauge outfit of amesdial 5 is made to arrive to the first rotary table on support ring 2
On the conical surface of section 21, pass through the fixed amesdial 5 of pinching screw；
Step 6: manual rotating support circle 2, makes the cutting edge 31 on cutting edge piece 3 uniformly against the rotation of valve sealing band 103 one
It encloses, the coaxiality error between 100 hole of valve sealing band 103 and valve guide bushing will make to move down on support ring 2 by cutting edge piece 3
It is dynamic, the gauge outfit of amesdial 5 is pushed by 21 conical surface of the first rotary table section identical with 103 taper of valve sealing band, shows numerical value
In on amesdial 5.
After the completion of detection, a whole set of detection device is extracted from the cylinder head 101, is inserted into next 101 conduit of cylinder head
It is detected in hole.It does not need to reinstall detection device, detection efficiency is higher, simple to operation, laborsaving, it can be achieved that online inspection
It surveys.
Claims (7)
1. a kind of cylinder head valve sealing band and guide hole axiality detection device, it is characterised in that: it includes mandrel (1), branch
Circle (2), cutting edge piece (3), dial framework (4) and amesdial (5) are held, the mandrel (1) is coaxially plugged in valve guide bushing (100), institute
It states support ring (2) to be coaxially set on mandrel (1), between mandrel (1) and valve guide bushing (100) and mandrel (1) and support ring
(2) be between precision-fit connection, wherein support ring (2) along mandrel (1) axis direction slide be arranged, support ring (2) it is upper
Portion is machined with the first rotary table section (21), and cutting edge piece (3) is installed in the bottom of support ring (2), close valve on the cutting edge piece (3)
One side of band (103) is cutting edge (31) and the cutting edge (31) is obliquely installed relative to mandrel (1) axis direction, described
Cutting edge (31) and valve sealing band (103) intimate contact, between the cone element and mandrel (1) axis of the first rotary table section (21)
Between folded acute angle and cutting edge (31) and mandrel (1) axis folded acute angle with the cone element of valve sealing band (103) with
Folded acute angle is equal between mandrel (1) axis, and dial framework (4) is installed on the mandrel (1) above support ring (2), and amesdial (5) is solid
It is located on dial framework (4) and the gauge outfit of amesdial (5) is supported and is located on first rotary table section (21) conical surface of support ring (2).
2. cylinder head valve sealing band according to claim 1 and guide hole axiality detection device, it is characterised in that: core
The top of axis (1) is optical axis, and lower part is non-uniform shaft, and the non-uniform shaft includes sequentially coaxially fixing as one from bottom to top
First cylindrical section (11), the second cylindrical section (12), the second rotary table section (13) and third cylindrical section (14), wherein the second rotary table section
(13) small end and the second cylindrical section (12) are affixed, and the small end of the diameter of the second cylindrical section (12) and the second rotary table section (13) is straight
Diameter is respectively less than the diameter setting of the first cylindrical section (11), the conical surface of the second rotary table section (13) and the inner wall top of valve guide bushing (100)
Intimate contact is held, precision-fit is connect between the first cylindrical section (11) and valve guide bushing (100), and the diameter of optical axis is less than third
The diameter of cylindrical section (14) is arranged.
3. cylinder head valve sealing band according to claim 1 or 2 and guide hole axiality detection device, feature exist
In: the cutting edge (31) of cutting edge piece (3) is fin structure.
4. cylinder head valve sealing band according to claim 3 and guide hole axiality detection device, it is characterised in that: branch
The lower part for holding circle (2) is machined with third rotary table section (22), and the big end of the third rotary table section (22) is close to the first rotary table section (21)
Setting, there are gaps between the conical surface and valve sealing band (103) of third rotary table section (22).
5. cylinder head valve sealing band according to claim 1,2 or 4 and guide hole axiality detection device, feature exist
In: the bottom processing of support ring (2) is fluted, and cutting edge piece (3) is installed in groove.
6. cylinder head valve sealing band according to claim 5 and guide hole axiality detection device, it is characterised in that: sword
It is affixed by bolt between mouth part (3) and support ring (2).
7. a kind of detection method using detection device described in any claim in claim 1~6, it is characterised in that:
It includes the following steps:
Step 1: the cylinder head (101) of valve guide bushing (100), valve retainer (102) and valve sealing band (103) will be machined with
It places on the table；
Step 2: mandrel (1) is inserted vertically into valve guide bushing (100), make the conical surface of the second rotary table section (13) on mandrel (1)
Resist the top of valve guide bushing (100)；
Step 3: the support ring (2) for being equipped with cutting edge piece (3) to be set in the top of mandrel (1), until the sword of cutting edge piece (3)
Mouth (31) arrives on valve sealing band (103)；
Step 4: the top that dial framework (4) is packed in mandrel (1) by tightening screw；
Step 5: arriving to the gauge outfit of amesdial (5) first on support ring (2) bayonet of amesdial (5) insertion dial framework (4)
It is fixed amesdial (5) by pinching screw on the conical surface of rotary table section (21)；
Step 6: manual rotating support circle (2), revolves the cutting edge (31) on cutting edge piece (3) uniformly against valve sealing band (103)
It turns around, the coaxiality error between valve sealing band (103) and valve guide bushing (100) hole will make to support by cutting edge piece (3)
Circle (2) moves up and down, and pushes amesdial (5) by the first rotary table section (21) conical surface identical with valve sealing band (103) taper
Gauge outfit, be shown in numerical value on amesdial (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811581889.1A CN109443182A (en) | 2018-12-24 | 2018-12-24 | Cylinder head valve sealing band and guide hole axiality detection device and its detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811581889.1A CN109443182A (en) | 2018-12-24 | 2018-12-24 | Cylinder head valve sealing band and guide hole axiality detection device and its detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109443182A true CN109443182A (en) | 2019-03-08 |
Family
ID=65535114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811581889.1A Pending CN109443182A (en) | 2018-12-24 | 2018-12-24 | Cylinder head valve sealing band and guide hole axiality detection device and its detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109443182A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285746A (en) * | 2019-07-11 | 2019-09-27 | 河南柴油机重工有限责任公司 | A kind of cylinder cover guide pipe hole perpendicularity detection device |
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|---|---|---|---|---|
| CN1955443A (en) * | 2005-10-27 | 2007-05-02 | 扬动股份有限公司 | Method for improving sealing performance of valve of cylinder head and valve potted line move-up detector |
| CN204329943U (en) * | 2015-01-23 | 2015-05-13 | 浙江凯吉汽车零部件制造有限公司 | A kind of device for detecting cylinder head valve sealing line and conduit concentricity |
| CN205049073U (en) * | 2015-10-22 | 2016-02-24 | 常德东鼎动力机械有限公司 | Measurement device for engine cylinder lid valve sealing strip |
| CN209013911U (en) * | 2018-12-24 | 2019-06-21 | 常州机电职业技术学院 | Cylinder head valve sealing band and guide hole axiality detection device |
-
2018
- 2018-12-24 CN CN201811581889.1A patent/CN109443182A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1955443A (en) * | 2005-10-27 | 2007-05-02 | 扬动股份有限公司 | Method for improving sealing performance of valve of cylinder head and valve potted line move-up detector |
| CN204329943U (en) * | 2015-01-23 | 2015-05-13 | 浙江凯吉汽车零部件制造有限公司 | A kind of device for detecting cylinder head valve sealing line and conduit concentricity |
| CN205049073U (en) * | 2015-10-22 | 2016-02-24 | 常德东鼎动力机械有限公司 | Measurement device for engine cylinder lid valve sealing strip |
| CN209013911U (en) * | 2018-12-24 | 2019-06-21 | 常州机电职业技术学院 | Cylinder head valve sealing band and guide hole axiality detection device |
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| Title |
|---|
| 宋森等: "《初级汽车修理工自学读本》", 31 December 1993 * |
| 宋森等: "《汽车维修检验工自学读本》", 28 February 1998, 金盾出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285746A (en) * | 2019-07-11 | 2019-09-27 | 河南柴油机重工有限责任公司 | A kind of cylinder cover guide pipe hole perpendicularity detection device |
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Application publication date: 20190308 |
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