CN108680089A - Valve retainer end face detection device - Google Patents
Valve retainer end face detection device Download PDFInfo
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- CN108680089A CN108680089A CN201810495999.XA CN201810495999A CN108680089A CN 108680089 A CN108680089 A CN 108680089A CN 201810495999 A CN201810495999 A CN 201810495999A CN 108680089 A CN108680089 A CN 108680089A
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- amesdial
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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
- G01B5/28—Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces
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- General Physics & Mathematics (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a kind of valve retainer end face detection devices, it is characterized in that, including valve disk terminal facial plane degree detection device, the device includes the monitor station that a upper surface is horizontal detection plane, vertical a first standard abutment face and the second standard abutment face are upwardly formed in detection plane, second standard abutment face and the first standard abutment face are arranged vertically, it is additionally provided with a detection hole in detection plane, detection hole and the first standard are against interplanar distance in the circular diameter of valve retainer end face, detection hole and the second standard are greater than or equal to valve retainer end face circular diameter against interplanar distance, there are one flatness detection amesdials for fixed setting below monitor station, and the detection bar upper end contact of flatness detection amesdial is exposed to detection hole and ride out is more than the valve disk terminal facial plane degree margin of tolerance.The advantages that present invention is implemented for the detection of valve end face plane degree, and with simple in structure, easy to operate, and testing result is accurate and reliable.
Description
Technical field
Part of automobile engine production detection technique field of the present invention more particularly to a kind of valve retainer end surface measurement are set
It is standby.
Background technology
Automobile engine can be converted into mechanical energy by the chemical energy of fuel or by other forms, be provided for automobile dynamic
Power is the heart of automobile, belongs to a kind of technology-intensive product.With China's expanding economy, to automobile demand amount and day
While all increasings, auto industry is rapidly developed, and people are also higher and higher to the performance requirement of automobile engine.
In automobile engine, inlet and exhaust valve is to be coaxially disposed the bar portion being integrated with round plate by a round plate and one
The component of composition belongs to one of automobile engine key components and parts, is the portal of engine chamber, is engine working process
The key foundation part of middle sealing porting controls the gas exchanges of engine for blocking gas channel.In engine
In each course of work, inlet valve and exhaust valve all respectively open and close once.When valve opens and closes, valve is born
The pressure of valve spring and pressure when taking a seat.Inlet valve and exhaust valve play close especially in compression and expansion stroke
Seal the effect of combustion chamber.Therefore, the quality of valve quality has engine performance and service life important influence.
The machining accuracy and structure of valve play the role of to the movement of engine valve actuating mechanism it is very important, while wherein
The end surface error of valve be valve key parameter and valve sealing effect it is closely related.
Valve disk terminal facial plane degree tolerance is to be compared valve panel surface with ideal plane, line value between the two away from
From as flatness tolerance value；Generally by if the relative height differential done in valve retainer actual surface is measured, then convert with
The flatness error value that line value indicates.Flatness error exceeds required standard, and valve can be caused to process and detecting valve-face
When bring larger error, seriously affect the air-tightness of valve and the normal work of engine.And it is produced in existing valve
In enterprise, some valve manufacturing enterprises are detected valve disk terminal facial plane degree mainly by flatness measuring instrument.Because of its inspection
Of high cost, required time is grown, therefore examines engine valve stem straightness and number and batch very limited.
In addition, the Circular Run-out Tolerance tolerance of valve be also valve key parameter and valve sealing effect it is closely related.Gas
Door side surface circle run-out tolerance is to keep certain precision relative to valve axis for controlling valve retainer end face surface profile element
Item of form and position, be defined as that valve retainer end face is revolved one-turn around datum axis or when continuous rotary permitted maximum jumps
Momentum.Run-out tolerance is different from orientation and alignment tolerance, it is with specific detection mode for according to given tolerance item
Mesh.Since run-out tolerance has element to be measured comprehensive control action, i.e., not only there is control action to site error, and controllable
Make certain form error;The functional requirement of part can be fully demonstrated, thus is applied in production relatively wide.And in existing valve
In manufacturing enterprise, some valve manufacturing enterprises are detected valve retainer end face run-out mainly by pulsation detecting instrument.Because of its inspection
Of high cost, required time is grown, therefore examines valve end face run-out and number and batch very limited.
So how to design it is a kind of simple in structure, it is easy to operate, detect reliable valve retainer end face detection device
Realize the detection to valve transverse parameters, becoming has considered solve the problems, such as.
Invention content
The technical problem to be solved in the present invention is：It is simple in structure how one kind is provided, it is easy to operate, it can be used in
Realize the detection of valve end face precision parameter, and testing result accurately and reliably valve retainer end face detection device.
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions.
A kind of valve retainer end face detection device, which is characterized in that including valve disk terminal facial plane degree detection device, the gas
Door side surface flatness checking device, including a monitor station, monitor station upper surface are horizontal detection plane, are detected in plane
Be upwardly formed a first vertical standard abutment face and a second vertical standard abutment face, the second standard abutment face and
First standard abutment face is arranged vertically and is smaller than valve retainer end face radius of circle, detects and is additionally provided with a detection hole in plane,
Against interplanar distance in the circular diameter of valve retainer end face, detection hole and the second standard are more than against interplanar distance for detection hole and the first standard
Or it is equal to valve retainer end face circular diameter, there are one flatness detection amesdial, the flatnesses for fixed setting below monitor station
The detection bar of detection amesdial is arranged straight up, and the detection bar upper end contact of flatness detection amesdial is exposed to inspection
Gaging hole and ride out are more than the valve disk terminal facial plane degree margin of tolerance.
In this way, in use, only valve disk terminal face to be detected need to be fitted in detection plane, then so that valve retainer one
Side and the fitting of the first standard abutment face, valve retainer is moved toward the direction of the second standard abutment face, until flatness is detected with thousand points
The detection bar upper end contact of table is mutually leaned on by entire valve retainer end face and with the second standard abutment face, and it is maximum poor on amesdial to read
Value can be obtained valve disk terminal facial plane degree, when specific operation, can be more again to rotate horizontally adjustment air valve angle after one-time detection
Secondary detection is to improve precision.Therefore the present apparatus has simple in structure, easy to operate, the accurate and reliable advantage of structure.
As an optimization, detection hole is consistent in valve retainer end face radius of circle against interplanar distance with the first standard.It in this way can be proper
Good valve retainer end face diameter of a circle side when detecting passes upward through the detection bar upper end contact of flatness detection amesdial, more preferably
Improve accuracy of detection in ground.
As an optimization, the first calibrated bolck is provided on the monitor station, the first calibrated bolck side constitutes first standard
Abutment face is provided with the first calibrated bolck location hole of strip, the first mark on the first calibrated bolck perpendicular to the first standard abutment face
It is combined with to be plugged into downwards in quasi- block location hole and correspond to the first calibrated bolck fixing bolt in through-hole on monitor station and realization is to the
The fixation of one calibrated bolck.
In this way, the first calibrated bolck can be adjusted to the distance of detection hole, the valve inspection of different model size is adapted it to
It surveys.
Further, the first calibrated bolck location hole is spaced two side by side.This way it is possible to avoid the first mark of adjustment
Rotation is generated when quasi- block, ensures that adjustment direction is the movement adjustment of face detection hole direction.
As an optimization, the second calibrated bolck is provided on the monitor station, the second calibrated bolck side constitutes second standard
Abutment face is provided with the second calibrated bolck location hole of strip, the second mark on the second calibrated bolck perpendicular to the second standard abutment face
It is combined with to be plugged into downwards in quasi- block location hole and correspond to the second calibrated bolck fixing bolt in through-hole on monitor station and realization is to the
The fixation of two calibrated bolcks.
In this way, the second calibrated bolck can be adjusted to the distance of detection hole, the valve inspection of different model size is adapted it to
It surveys.
Further, the second calibrated bolck location hole is spaced two side by side.This way it is possible to avoid the second mark of adjustment
Rotation is generated when quasi- block, ensures that adjustment direction is the movement adjustment of face detection hole direction.
As an optimization, monitor station is located at below detection hole amesdial fixed block there are one settings, is erected in amesdial fixed block
The straight amesdial pilot hole for being provided through a face detection hole, the detection bar and dial plate of the flatness detection amesdial
Mutually fixed part is installed through in amesdial pilot hole, is above gone back positioned at the lateral of amesdial pilot hole on amesdial fixed block
Fastening screw hole is offered, be equipped with fastening bolt in fastening screw hole consolidates for realizing to flatness detection amesdial
It is fixed.
In this way, unclamping fastening bolt, flatness detection amesdial height can be adjusted up and down, and then adjusts flatness inspection
The detection bar upper end contact of survey amesdial exposes the altitude range of detection hole, adapts it to different model valve, different gas
The detection of door side surface flatness tolerance range.
As an optimization, monitor station includes the detection plate of upper horizontal setting, and detection plate upper surface is the detection plane, inspection
Drafting board both sides are downwardly vertical to be provided with support plate, and support plate lower end is fixed on a horizontally disposed bottom plate, the flatness
Detection is with amesdial between bottom plate and detection plate.In this way, monitor station structure is simpler, it is reliable and stable.
As an optimization, the invention also includes a valve retainer end faces to justify jitter detection apparatus, and the valve retainer end face circle is jumped
Motion detection device, including pedestal are provided with valve detent mechanism and valve side surface circle glitch detection mechanism on pedestal；The gas
Door detent mechanism is for realizing the horizontal location to valve to be detected and realizes to the valve after positioning away from valve retainer direction
Axial direction on unilateral limit, valve retainer end face circle glitch detection mechanism includes an amesdial mounting base, amesdial peace
Deviate the center of circle on the valve retainer end face that horizontally disposed amesdial and amesdial contact face are positioned there are one installations on dress seat
The setting of test point position, be provided in amesdial mounting base and be axially fixed the amesdial of position for adjusting amesdial and adjust
Mechanism.
In this way so that this equipment can be also used for the circle run-out tolerance detection of valve retainer end face, when detection, valve to be detected according to
It by valve detent mechanism horizontal location and realizes the unilateral limit to valve in the axial direction in valve retainer direction, adjusts thousand in this way
Divide table axial position to make the detection point contact of the valve retainer end face after its contact and positioning and generates certain precompression, the precompressed
Power reading is more than valve retainer end face and justifies run-out tolerance limiting value, then along valve under conditions of keeping valve axially unilateral limit
Pivot Point Center line rotary valve one encloses, and reads the difference of the maximum value and minimum value of amesdial display reading, the as gas of the valve
The run-out tolerance of door side surface.Therefore with simple in structure, of low cost, quick, accurate and reliable advantage easy to detect.
As an optimization, the amesdial regulating mechanism, including a montant being vertically provided in amesdial mounting base erect
Level offers amesdial mounting hole in the middle part of bar, and the detection bar of the amesdial is plugged on amesdial with the mutually fixed part of dial plate
In mounting hole, amesdial mounting hole, amesdial mounting hole are stretched out for the floating part of contact to be arranged in the detection bar of amesdial
Offer and crack upwards in the montant of top, the montants of both sides of cracking along extend vertically through direction of cracking be provided with clamp bolt hole and
Corresponding fishbolt, fishbolt realize the fixation of amesdial for realizing the clamping of symmetry slot.
In this way, after unclamping clamping screw, front and back position of the amesdial detection bar again in amesdial mounting hole can be adjusted, is adjusted
Section is fixed again after in place, ensures that amesdial installation site can be generated and forms certain precompressed to valve retainer end face after positioning
Power.The structure has many advantages, such as simple in structure simultaneously, easy to adjust quick.
As an optimization, the valve detent mechanism includes a valve positioning seat, and valve positioning seat upper surface is provided with one
A locating slot perforative along the longitudinal direction, locating slot is for realizing the positioning to valve along positioning groove length direction, valve positioning
There are one the vertical adjustable plate mounting planes being located on front side of locating slot for seat tool, are located on front side of locating slot on adjustable plate mounting plane
The right and left be each provided with a positioning screw hole, the right and left on front side of locating slot is also each provided with a vertical adjusting
Plate, adjustable plate trailing flank and the fitting of adjustable plate mounting plane, the opposite inside of two adjustable plates are vertical confined planes, adjustable plate
Upper corresponding positioning screw hole is provided with horizontal strip hole, also sets up and passes through corresponding strip hole there are two positioning bolt and position spiral shell
Realize the fixation to adjustable plate in hole.
In this way, in use, first unclamp positioning bolt, valve is positioned in locating slot and valve retainer stretches out locating slot, so
Moving adjustable plate in left-right direction afterwards makes its confined planes and the taper surface at valve retainer rear contact, then locking positioning bolt will be adjusted
Plate is fixed, you can conveniently and efficiently realizes the limit in an axial direction to valve.In this way, by the taper of adjustable plate and valve retainer rear
Limit is realized in face contact, and since valve is in production, general taper surface is to be shaped by the inner cavity of lower die, and valve retainer end face is
It is stamping by punch, therefore the precision of taper surface can be significantly larger than the precision of valve retainer end face.Therefore rely on adjustable plate confined planes
Limit is realized with the taper surface point contact at valve retainer rear, then during valve rotation after adjustable plate confined planes and valve retainer
The taper surface contact position of side rotates to form a round wires, can ensure the precision of the contact round wires, and then reduce error, more preferably
Ground ensures that testing result is to react the data of valve side surface flatness.
Further, there are two positioning rolls for setting along the longitudinal direction in locating slot, and two positioning rolls are along positioning groove width
Degree direction is set up in parallel, and the clip slot for being positioned to valve, the gas of locating slot side are formed between two positioning rolls upper surfaces
Door positioning seat upper edge offers roller adjusting screw hole perpendicular to locating slot direction level, and roller adjusting screw hole is arranged for horizontal alignment
The setting of at least two and face positioning rolls, be screwed in roller adjusting screw hole and be combined with roller adjusting bolt.
In this way, realizing that the positioning to valve, simple in structure and positioning are convenient and efficient reliable by two positioning rolls.Simultaneously
Two roller adjusting bolts being arranged can adjust the tightness between two rollers, and then adjust two positioning rolls upper tables
The width of the clip slot formed between face, and then the valve heights of positioning are realized and are adjusted, so being fixed in amesdial height and position
In the case of, facilitate and adjusts valve heights position to ensure that amesdial and valve side surface contact point apart from the position in the center of circle are suitable
Close the position for realizing Circular Run-out Tolerance detection, it is ensured that accuracy of detection, and have the advantages that easy to adjust quick.
Further, roller adjusting screw hole face positioning rolls axle center line position is arranged.Positioning rolls more convenient in this way
Force is abutted when elastic adjusting.
Further, positioning rolls length is less than the bar portion length of valve to be detected.Detection process transfer in this way is taken offence door
When, engine valve stem tail end can be relied on to stretch out positioning rolls and hanging part realizes that valve rotates, more convenient rotation valve
And can better ensure that positioning states when valve rotation are constant, to improve accuracy of detection.
Further, positioning rolls front end face edge is provided with chamfering.Positioning rolls can be preferably avoided in this way
The taper surface at the valve retainer rear of front end face and valve to be detected interferes and influences accuracy of detection.
Further, it is additionally provided with adjustable plate centering adjustment structure, the adjustable plate centering adjustment structure includes two right
The screw hole of the adjusting nut that should be set in front of two pieces of adjustable plates, adjusting nut is horizontally disposed along locating slot width direction, adjusts
Nut is individually fixed on a nut seat, is provided with nut fixing threaded hole on the corresponding adjustable plate of nut seat, right on nut seat
It answers nut fixing threaded hole to offer horizontal strip hole, is additionally provided with strip hole of the nut fixing bolt on the nut seat and right
The nut fixing threaded hole answered realizes fixation of the nut seat on corresponding adjustable plate；Adjustable plate centering adjustment structure further includes one double
To leading screw, it is symmetrically arranged with two sections of external screw threads on two-way leading screw and is respectively screwed in two adjusting nuts.
In this way, adjustable plate centering adjustment structure can be relied on to carry out centering before testing, and in detection different model light
It is adjusted when bar.Specifically, when centering, nut fixing bolt and positioning bolt are first unclamped, two is then determined and determines
It after the cylinder position of position, is put into a polished rod and is positioned between two positioning rolls, then move two adjustable plates and make two tune
The opposite confined planes of plate and polished rod contact are saved, then rotational positioning bolt fixes adjustable plate, then rotating nuts fixing bolt is fixed
Good nut seat removes polished rod and realizes centering.When detecting the valve of different model size after centering, you can with by rotating two-way silk
Thick stick so that two adjustable plates follow corresponding adjusting nut to draw close or reversely detach in the same direction, to big according to different models
Small valve adjusts the width distance between two adjustable plates, can be bored just with the valve back-end disk of valve to be detected
It is contacted at shaped position to realize detection and ensure accuracy of detection.And then it ensure that two adjustable plates are real in the case where keeping in
It now quickly adjusts, improves using the convenience and reliability adjusted.
Further, two-way leading screw one end end set has turning knob.Rotation is facilitated to adjust in this way.
Further, there are one lead screw bases, lead screw base to be fixed on the base for setting in the middle part of two-way leading screw, horizontal on lead screw base
It is provided through leading screw through-hole, two-way leading screw is rotatably engaged in leading screw through-hole.
In this way, fixing the height and position of leading screw by lead screw base, makes its more convenient adjusting operation, avoid adjusting screw
When drive adjustable plate displacement and influence subsequent detection precision.
Further, restricted lead screw shaft is set between lead screw base and leading screw and limits knot to the leading screw axial position of displacement
Structure.In this way, leading screw left and right position can preferably be limited, preferably avoids leading screw left and right displacement when adjusting and adjustable plate is driven to move
It is dynamic, ensure the symmetry and reliability that adjust.When implementation, leading screw axial position position limiting structure can by leading screw through-hole wall and
Circumferentially arranged concave-convex fit structure between corresponding leading screw outer wall obtains.
In conclusion the present invention is implemented for the detection of valve end face plane degree and valve end face circle run-out tolerance, and
It is easy to operate with simple in structure, the advantages that testing result is accurate and reliable.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the valve disk terminal facial plane degree detection device used in the present invention.
Fig. 2 is the front view of the valve disk terminal facial plane degree detection device of Fig. 1.
Fig. 3 is the vertical view of Fig. 2.
Fig. 4 is that the dimensional structure diagram of jitter detection apparatus is justified in the valve retainer end face used in the present invention.
Specific implementation mode
The present invention is described in further detail with reference to the accompanying drawings and examples.
Embodiment：The valve retainer end face detection device of the present embodiment, the valve disk terminal facial plane degree shown in Fig. 1-3 detect
Device and a kind of valve retainer end face circle jitter detection apparatus shown in Fig. 4 constitute the suit equipment of valve retainer end surface measurement.Before
Person is implemented for the detection of valve disk terminal facial plane degree, and the latter is implemented for the circle run-out tolerance detection of valve retainer end face.
More particularly, valve disk terminal facial plane degree detection device therein is as shown in Figs. 1-3, including a detection
Platform, monitor station upper surface are horizontal detection plane 1 ', detect be upwardly formed in plane 1 ' a first vertical standard against
The second vertical standard abutment face of face and one, the second standard abutment face and the first standard abutment face is arranged vertically and spacing is small
In valve retainer end face radius of circle, detects and be additionally provided with a detection hole 2 ', detection hole 2 ' and the first standard against interplanar distance in plane
In the circular diameter of valve retainer end face, detection hole and the second standard are greater than or equal to valve retainer end face circular diameter, inspection against interplanar distance
There are one flatness detection amesdial 3 ', the detection bar of the flatness detection amesdial 3 ' is perpendicular for fixed setting below scaffold tower
It directly sets up, and the detection bar upper end contact of flatness detection amesdial is exposed to detection hole 2 ' and ride out is more than gas
Door side surface flatness tolerance range.
In this way, in use, only valve disk terminal face to be detected need to be fitted in detection plane, then so that valve retainer one
Side and the fitting of the first standard abutment face, valve retainer is moved toward the direction of the second standard abutment face, until flatness is detected with thousand points
The detection bar upper end contact of table is mutually leaned on by entire valve retainer end face and with the second standard abutment face, and it is maximum poor on amesdial to read
Value can be obtained valve disk terminal facial plane degree, when specific operation, can be more again to rotate horizontally adjustment air valve angle after one-time detection
Secondary detection is to improve precision.Therefore the present apparatus has simple in structure, easy to operate, the accurate and reliable advantage of structure.
Wherein, detection hole 2 ' is consistent in valve retainer end face radius of circle against interplanar distance with the first standard.It in this way can be lucky
Valve retainer end face diameter of a circle side passes upward through the detection bar upper end contact of flatness detection amesdial when detecting, preferably
Improve accuracy of detection.
Wherein, the first calibrated bolck 4 ' is provided on the monitor station, 4 ' side of the first calibrated bolck constitutes first standard
Abutment face, is provided with the first calibrated bolck location hole of strip on the first calibrated bolck 4 ' perpendicular to the first standard abutment face, and first
It is combined in calibrated bolck location hole and is plugged into the first calibrated bolck fixing bolt 5 ' corresponded on monitor station in through-hole downwards and realizes
Fixation to the first calibrated bolck.
In this way, the first calibrated bolck can be adjusted to the distance of detection hole, the valve inspection of different model size is adapted it to
It surveys.
Wherein, the first calibrated bolck location hole is spaced two side by side.This way it is possible to avoid the first calibrated bolck of adjustment
When generate rotation, ensure adjustment direction be face detection hole direction movement adjustment.
Wherein, the second calibrated bolck 6 ' is provided on the monitor station, 6 ' side of the second calibrated bolck constitutes second standard
Abutment face is provided with the second calibrated bolck location hole of strip, the second mark on the second calibrated bolck perpendicular to the second standard abutment face
The second calibrated bolck fixing bolt 7 ' and the realization pair for being plugged into corresponded on monitor station in through-hole downwards are combined in quasi- block location hole
The fixation of second calibrated bolck.
In this way, the second calibrated bolck can be adjusted to the distance of detection hole, the valve inspection of different model size is adapted it to
It surveys.
Wherein, the second calibrated bolck location hole is spaced two side by side.This way it is possible to avoid the second calibrated bolck of adjustment
When generate rotation, ensure adjustment direction be face detection hole direction movement adjustment.
Wherein, monitor station is located at below detection hole amesdial fixed block 8 ' there are one settings, and amesdial fixed block 8 ' is interior perpendicular
The straight amesdial pilot hole for being provided through a face detection hole, the detection bar and table of the flatness detection amesdial 3 '
The mutually fixed part of disk is installed through in amesdial pilot hole, and amesdial fixed block 8 ' is above located at the lateral of amesdial pilot hole
On be further opened with fastening screw hole, fasten in screw hole and be equipped with fastening bolt 9 ' for realizing to flatness detection amesdial
Fixation.
In this way, unclamping fastening bolt, flatness detection amesdial height can be adjusted up and down, and then adjusts flatness inspection
The detection bar upper end contact of survey amesdial exposes the altitude range of detection hole, adapts it to different model valve, different gas
The detection of door side surface flatness tolerance range.
Wherein, monitor station includes the detection plate 12 ' of upper horizontal setting, and 12 ' upper surface of detection plate is the detection plane
1 ', detection plate both sides are downwardly vertical to be provided with support plate 10 ', and 10 ' lower end of support plate is fixed on a horizontally disposed bottom plate 11 '
On, the flatness detection is with amesdial between bottom plate and detection plate.In this way, monitor station structure is simpler, stabilization can
It leans on.
Justify jitter detection apparatus as shown in figure 4, including pedestal 1 in valve retainer end face, wherein it is fixed that valve is provided on pedestal 1
Position mechanism and valve side surface circle glitch detection mechanism；The valve detent mechanism is for realizing fixed to the level of valve to be detected
Simultaneously realize the unilateral limit to the valve after positioning in the axial direction away from valve retainer direction, the valve retainer Circular Run-out Tolerance in position
Testing agency includes an amesdial mounting base 2, and there are one horizontally disposed amesdials 3 and thousand for installation in amesdial mounting base 2
Deviate the test point position setting in the center of circle on the valve retainer end face that point table contact face is positioned, is arranged in amesdial mounting base 2
It is useful for adjusting the amesdial regulating mechanism that amesdial is axially fixed position.
In this way in use, valve to be detected is by valve detent mechanism horizontal location and realizes to valve away from valve retainer side
To axial direction on unilateral limit, adjust the detection of the valve retainer end face after amesdial axial position makes its contact and positions in this way
Point contact simultaneously generates certain precompression, and precompression reading is more than valve retainer end face and justifies run-out tolerance limiting value, is then protecting
It holds under conditions of the axial unilateral side of valve limits and is enclosed along valve Pivot Point Center line rotary valve one, read amesdial display and read most
The difference of big value and minimum value, the as run-out tolerance of the valve retainer end face of the valve.Therefore with simple in structure, of low cost, inspection
Survey convenient and efficient, accurate and reliable advantage.
Wherein, the amesdial regulating mechanism, including a montant 4 being vertically provided in amesdial mounting base, montant 4
Middle part level offers amesdial mounting hole, and the detection bar of the amesdial 3 is plugged on amesdial with the mutually fixed part of dial plate
In mounting hole, amesdial mounting hole, amesdial mounting hole are stretched out for the floating part of contact to be arranged in the detection bar of amesdial 3
Offer and crack upwards in the montant of top, the montants of both sides of cracking along extend vertically through direction of cracking be provided with clamp bolt hole and
Corresponding fishbolt 5, fishbolt 5 realize the fixation of amesdial 3 for realizing the clamping of symmetry slot.
In this way, after unclamping clamping screw, front and back position of the amesdial detection bar again in amesdial mounting hole can be adjusted, is adjusted
Section is fixed again after in place, ensures that amesdial installation site can be generated and forms certain precompressed to valve retainer end face after positioning
Power.The structure has many advantages, such as simple in structure simultaneously, easy to adjust quick.
Wherein, the valve detent mechanism includes a valve positioning seat 6, and there are one the settings of 6 upper surface of valve positioning seat
Perforative locating slot along the longitudinal direction, locating slot is for realizing the positioning to valve along positioning groove length direction, valve positioning seat
There are one the vertical adjustable plate mounting planes being located on front side of locating slot for tool, are located on front side of locating slot on adjustable plate mounting plane
The right and left is each provided with a positioning screw hole, and the right and left on front side of locating slot is also each provided with a vertical adjustable plate 7,
7 trailing flank of adjustable plate and the fitting of adjustable plate mounting plane, the opposite inside of two adjustable plates 7 are vertical confined planes, adjustable plate 7
Upper corresponding positioning screw hole is provided with horizontal strip hole, also set up there are two positioning bolt 8 pass through corresponding strip hole and positioning
Screw hole realizes the fixation to adjustable plate 7.
In this way, in use, first unclamp positioning bolt, valve is positioned in locating slot and valve retainer stretches out locating slot, so
Moving adjustable plate in left-right direction afterwards makes its confined planes and the taper surface at valve retainer rear contact, then locking positioning bolt will be adjusted
Plate is fixed, you can conveniently and efficiently realizes the limit in an axial direction to valve.In this way, by the taper of adjustable plate and valve retainer rear
Limit is realized in face contact, and since valve is in production, general taper surface is to be shaped by the inner cavity of lower die, and valve retainer end face is
It is stamping by punch, therefore the precision of taper surface can be significantly larger than the precision of valve retainer end face.Therefore rely on adjustable plate confined planes
Limit is realized with the taper surface point contact at valve retainer rear, then during valve rotation after adjustable plate confined planes and valve retainer
The taper surface contact position of side rotates to form a round wires, can ensure the precision of the contact round wires, and then reduce error, more preferably
Ground ensures that testing result is to react the data of valve side surface flatness.
Wherein, there are two positioning rolls 9 for setting along the longitudinal direction in locating slot, and two positioning rolls 9 are along positioning well width
Direction is set up in parallel, and the clip slot for being positioned to valve, the valve of locating slot side are formed between two positioning rolls upper surfaces
Positioning seat upper edge offers roller adjusting screw hole perpendicular to locating slot direction level, and roller adjusting screw hole is horizontal alignment setting
At least two and face positioning rolls be arranged, being screwed in roller adjusting screw hole is combined with roller adjusting bolt 10.
In this way, realizing that the positioning to valve, simple in structure and positioning are convenient and efficient reliable by two positioning rolls.Simultaneously
Two roller adjusting bolts being arranged can adjust the tightness between two rollers, and then adjust two positioning rolls upper tables
The width of the clip slot formed between face, and then the valve heights of positioning are realized and are adjusted, so being fixed in amesdial height and position
In the case of, facilitate and adjusts valve heights position to ensure that amesdial and valve side surface contact point apart from the position in the center of circle are suitable
Close the position for realizing Circular Run-out Tolerance detection, it is ensured that accuracy of detection, and have the advantages that easy to adjust quick.
Wherein, 9 axle center line position setting of roller adjusting screw hole face positioning rolls.Positioning rolls more convenient in this way are elastic
Force is abutted when adjusting.
Wherein, 9 length of positioning rolls is less than the bar portion length of valve to be detected.When detection process transfer is taken offence in this way,
Engine valve stem tail end can be relied on to stretch out positioning rolls and hanging part realizes that valve rotates, more convenient rotation valve and energy
Positioning states when enough better ensuring that valve rotation are constant, to improve accuracy of detection.
Wherein, 9 front end face edge of the positioning rolls is provided with chamfering.Positioning rolls front end can be preferably avoided in this way
The taper surface at face and the valve retainer rear of valve to be detected interferes and influences accuracy of detection.
Wherein, it is additionally provided with adjustable plate centering adjustment structure, the adjustable plate centering adjustment structure is set including two correspondences
The screw hole of the adjusting nut 11 being placed in front of two pieces of adjustable plates, adjusting nut 11 is horizontally disposed along locating slot width direction, adjusts
Nut is individually fixed on a nut seat 12, and nut fixing threaded hole, nut seat are provided on 12 corresponding adjustable plate of nut seat
Upper corresponding nut fixing threaded hole offers horizontal strip hole, is additionally provided with strip of the nut fixing bolt 13 on nut seat
Hole and corresponding nut fixing threaded hole realize fixation of the nut seat 12 on corresponding adjustable plate 7；Adjustable plate centering adjusts structure also
Including a two-way leading screw 14, it is symmetrically arranged with two sections of external screw threads on two-way leading screw and is respectively screwed in two adjusting nuts.
In this way, adjustable plate centering adjustment structure can be relied on to carry out centering before testing, and in detection different model light
It is adjusted when bar.Specifically, when centering, nut fixing bolt and positioning bolt are first unclamped, two is then determined and determines
It after the cylinder position of position, is put into a polished rod and is positioned between two positioning rolls, then move two adjustable plates and make two tune
The opposite confined planes of plate and polished rod contact are saved, then rotational positioning bolt fixes adjustable plate, then rotating nuts fixing bolt is fixed
Good nut seat removes polished rod and realizes centering.When detecting the valve of different model size after centering, you can with by rotating two-way silk
Thick stick so that two adjustable plates follow corresponding adjusting nut to draw close or reversely detach in the same direction, to big according to different models
Small valve adjusts the width distance between two adjustable plates, can be bored just with the valve back-end disk of valve to be detected
It is contacted at shaped position to realize detection and ensure accuracy of detection.And then it ensure that two adjustable plates are real in the case where keeping in
It now quickly adjusts, improves using the convenience and reliability adjusted.
Wherein, 14 one end end set of the two-way leading screw has turning knob 15.Rotation is facilitated to adjust in this way.
Wherein, there are one lead screw bases 16 for setting in the middle part of two-way leading screw, and lead screw base 16 is fixed on pedestal 1, on lead screw base 16
Level is provided through leading screw through-hole, and two-way leading screw 14 is rotatably engaged in leading screw through-hole.
In this way, fixing the height and position of leading screw by lead screw base, makes its more convenient adjusting operation, avoid adjusting screw
When drive adjustable plate displacement and influence subsequent detection precision.
Wherein, leading screw axial position position limiting structure of the restricted lead screw shaft to displacement is set between lead screw base and leading screw.This
Sample can preferably limit leading screw left and right position, preferably avoid leading screw left and right displacement when adjusting and adjustable plate is driven to move, protect
Demonstrate,prove the symmetry and reliability adjusted.When implementation, leading screw axial position position limiting structure can be by leading screw through-hole wall and correspondence
Leading screw outer wall between circumferentially arranged concave-convex fit structure obtain.
Claims (10)
1. a kind of valve retainer end face detection device, which is characterized in that including valve disk terminal facial plane degree detection device, the valve
Side surface flatness checking device, including a monitor station, monitor station upper surface be horizontal detection plane, detect plane in
It is upper to form a first vertical standard abutment face and a second vertical standard abutment face, the second standard abutment face and the
One standard abutment face is arranged vertically and is smaller than valve retainer end face radius of circle, detects and is additionally provided with a detection hole in plane, examines
Gaging hole and the first standard against interplanar distance in the circular diameter of valve retainer end face, detection hole and the second standard be more than against interplanar distance or
Equal to valve retainer end face circular diameter, it is fixedly installed below monitor station there are one flatness detection amesdial, the flatness is examined
The detection bar of survey amesdial is arranged straight up, and the detection bar upper end contact of flatness detection amesdial is exposed to detection
Hole and ride out are more than the valve disk terminal facial plane degree margin of tolerance.
2. valve retainer end face as described in claim 1 detection device, which is characterized in that between detection hole and the first standard abutment face
Away from consistent in valve retainer end face radius of circle.It in this way can valve retainer end face diameter of a circle side passes upward through plane when detecting just
The detection bar upper end contact for spending detection amesdial, preferably improves accuracy of detection.
3. valve retainer end face as described in claim 1 detection device, which is characterized in that be provided with the first mark on the monitor station
Quasi- block, the first calibrated bolck side constitute the first standard abutment face, are set perpendicular to the first standard abutment face on the first calibrated bolck
It is equipped with the first calibrated bolck location hole of strip, is combined in the first calibrated bolck location hole and is plugged into corresponding on monitor station lead to downwards
The fixation of the first calibrated bolck fixing bolt and realization to the first calibrated bolck in hole.
4. valve retainer end face as claimed in claim 3 detection device, which is characterized in that between the first calibrated bolck location hole is arranged side by side
Every two of setting.
5. valve retainer end face as described in claim 1 detection device, which is characterized in that be provided with the second mark on the monitor station
Quasi- block, the second calibrated bolck side constitute the second standard abutment face, are set perpendicular to the second standard abutment face on the second calibrated bolck
It is equipped with the second calibrated bolck location hole of strip, is combined in the second calibrated bolck location hole and is plugged into corresponding on monitor station lead to downwards
The fixation of the second calibrated bolck fixing bolt and realization to the second calibrated bolck in hole.
6. valve retainer end face as described in claim 1 detection device, which is characterized in that monitor station is located at setting below detection hole
There are one amesdial fixed block, the amesdial pilot hole of a face detection hole is provided through in amesdial fixed block vertically,
The detection bar of the flatness detection amesdial is installed through with the mutually fixed part of dial plate in amesdial pilot hole, thousand points
On table fixed block positioned at amesdial pilot hole it is lateral on be further opened with fastening screw hole, fasten in screw hole and be equipped with fastening spiral shell
Bolt is for realizing the fixation to flatness detection amesdial；
Monitor station includes the detection plate of upper horizontal setting, and detection plate upper surface is the detection plane, and detection plate both sides are downward
It is vertically provided with support plate, support plate lower end is fixed on a horizontally disposed bottom plate, the flatness detection amesdial
Between bottom plate and detection plate.
7. valve retainer end face as described in claim 1 detection device, which is characterized in that further include that a valve retainer end face circle is jumped
Jitter detection apparatus, including pedestal are justified in motion detection device, the valve retainer end face, and it is gentle to be provided with valve detent mechanism on pedestal
Door side surface circle glitch detection mechanism；The valve detent mechanism is for realizing the horizontal location to valve to be detected and realization pair
Unilateral limit of the valve in the axial direction away from valve retainer direction after positioning, valve retainer end face circle glitch detection mechanism packet
Include an amesdial mounting base, there are one horizontally disposed amesdial and amesdial contact face quilts for installation in amesdial mounting base
Deviate the test point position setting in the center of circle on the valve retainer end face of positioning, is provided in amesdial mounting base for adjusting amesdial
It is axially fixed the amesdial regulating mechanism of position.
8. valve retainer end face as claimed in claim 7 detection device, which is characterized in that justify glitch detection in the valve retainer end face
In device, the valve detent mechanism includes a valve positioning seat, and there are one along front and back for the setting of valve positioning seat upper surface
To perforative locating slot, locating slot is for realizing the positioning to valve along positioning groove length direction, and there are one valve positioning seat tools
Vertical adjustable plate mounting plane on front side of locating slot, the right and left being located on adjustable plate mounting plane on front side of locating slot
It is each provided with a positioning screw hole, the right and left on front side of locating slot is also each provided with a vertical adjustable plate, after adjustable plate
Side and the fitting of adjustable plate mounting plane, the opposite inside of two adjustable plates are vertical confined planes, and positioning is corresponded on adjustable plate
Screw hole is provided with horizontal strip hole, also set up there are two positioning bolt pass through corresponding strip hole and positioning screw hole realization exchange
Save the fixation of plate.
9. valve retainer end face as claimed in claim 8 detection device, which is characterized in that be provided with along the longitudinal direction in locating slot
Two positioning rolls, two positioning rolls are set up in parallel along locating slot width direction, are formed between two positioning rolls upper surfaces
The valve positioning seat upper edge of clip slot for being positioned to valve, locating slot side offers roller perpendicular to locating slot direction level
Adjusting screw hole, roller adjusting screw hole are at least two and face the positioning rolls setting of horizontal alignment setting, roller adjusting screw hole
On be screwed on and be combined with roller adjusting bolt.
10. valve retainer end face as claimed in claim 9 detection device, which is characterized in that be additionally provided with adjustable plate centering adjustment
Structure, the adjustable plate centering adjustment structure includes two adjusting nuts being correspondingly arranged in front of two pieces of adjustable plates, adjusts spiral shell
Female screw hole is horizontally disposed along locating slot width direction, and adjusting nut is individually fixed on a nut seat, and nut seat is corresponding
It is provided with nut fixing threaded hole on adjustable plate, nut fixing threaded hole is corresponded on nut seat and offers horizontal strip hole, is also set up
There is nut fixing bolt that the strip hole on nut seat and corresponding nut fixing threaded hole is passed through to realize nut seat in corresponding adjustable plate
On fixation；It further includes a two-way leading screw that adjustable plate centering, which adjusts structure, and two sections of external screw threads are symmetrically arranged on two-way leading screw
And it is respectively screwed in two adjusting nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810495999.XA CN108680089B (en) | 2018-05-22 | 2018-05-22 | Valve plate end face detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810495999.XA CN108680089B (en) | 2018-05-22 | 2018-05-22 | Valve plate end face detection equipment |
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| Publication Number | Publication Date |
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| CN108680089A true CN108680089A (en) | 2018-10-19 |
| CN108680089B CN108680089B (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810495999.XA Expired - Fee Related CN108680089B (en) | 2018-05-22 | 2018-05-22 | Valve plate end face detection equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111322936A (en) * | 2018-12-17 | 2020-06-23 | 江苏联博精密科技有限公司 | Novel rotor flatness rapid detection tool |
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| CN108680089B (en) | 2020-08-18 |
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