CN108917559A - A kind of simple big Hole chamfering measuring tool - Google Patents
A kind of simple big Hole chamfering measuring tool Download PDFInfo
- Publication number
- CN108917559A CN108917559A CN201810837310.7A CN201810837310A CN108917559A CN 108917559 A CN108917559 A CN 108917559A CN 201810837310 A CN201810837310 A CN 201810837310A CN 108917559 A CN108917559 A CN 108917559A
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- measurement
- mandrel
- measuring unit
- hole
- bracket
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- 238000005259 measurement Methods 0.000 claims abstract description 58
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a kind of simple big Hole chamfering measuring tools, including measuring unit, measurement mandrel, the measurement mandrel is slidably arranged in the pilot hole of the measuring unit, the measurement mandrel is ladder axis body, small axis of the upper part as guiding, lower part is the big axis of the conical surface, and face angle is consistent with the orifice chamfer conical surface to be measured, and the interconnecting piece of big axis and small axis forms confined planes；The pilot hole of the measuring unit be counterbore, and with the measurement mandrel clearance fit；The upper end of the measuring unit is vertically equipped with bracket, and the frame upper is equipped with measuring mechanism, and lower part is fixed with spring, and passes through the connection of the spring and the measurement mandrel；The bracket further includes last item, and the mid-stent offers perforation, and the last item passes through the perforation and is fixed on the upper end of the measurement mandrel.The present invention has many advantages, such as that compact-sized, measurement accuracy is high, measurement is efficient.
Description
Technical field
The present invention relates to hole machined technical fields, more particularly to a kind of simple big Hole chamfering measuring tool.
Background technique
Engine component will execute tri-inspection system in machining process ensures that size meets drawing requirement, and is doing three inspections
The depth and diameter of big Hole chamfering are accurately and rapidly measured during system, this just needs simple and suitable measurement
Tool if the measuring tool that production scene is suitable for without simple, but relies on traditional vernier caliper, depthometer, angle
Manually carrying out calculating again after the measurement such as rule will be easy to cause measurement to have error, inefficiency to influence production, it is likely that will cause
Because erroneous judgement causes batch machining unqualified, to influence the assembling quality security risk of engine.
The disclosure of background above technology contents is only used for auxiliary and understands design and technical solution of the invention, not necessarily
The prior art for belonging to present patent application, no tangible proof show above content present patent application the applying date
In disclosed situation, above-mentioned background technique should not be taken to the novelty and creativeness of evaluation the application.
Summary of the invention
Present invention aims at propose that one kind is compact-sized, measurement accuracy is high, the efficient big Hole chamfering measuring tool of measurement.
Preferably, the present invention can also have following technical characteristic：
A kind of simple big Hole chamfering measuring tool, including measuring unit, measurement mandrel, the measuring unit offer axial lead
Xiang Kong, upper part are equipped with step, and step height is the conversion value of orifice chamfer diameter tolerance to be measured；The measurement mandrel sliding is set
It sets in the pilot hole of the measuring unit,
The measurement mandrel be ladder axis body, upper part as guiding small axis, lower part be the conical surface big axis, face angle and
The orifice chamfer conical surface to be measured is consistent, and the interconnecting piece of big axis and small axis forms confined planes；
The pilot hole of the measuring unit be counterbore, and with the measurement mandrel clearance fit；
The upper end of the measuring unit is vertically equipped with bracket, and the frame upper is equipped with measuring mechanism, and lower part is fixed with spring, and
Pass through the connection of the spring and the measurement mandrel；
The bracket further includes last item, and the mid-stent offers perforation, and the last item passes through the perforation and fixation
In the upper end of the measurement mandrel.
Further, the side wall of the measuring unit lower part offers ladder-like observation port, is aligned for subsidiary mandrel
Orifice chamfer to be measured.
Further, enlarging lens are additionally provided at the observation port；The side wall of the observation port offers guide groove assembly
The enlarging lens.
Further, the measurement mandrel top offers spring receiving hole, under the upper end of the spring and the bracket
Portion is fixedly connected, and lower end is fixedly connected with the receiving hole bottom；The bracket lower part is equipped with spring fairlead.
Further, the perforation of the bracket, the receiving hole for measuring mandrel, spring fairlead three's central coaxial；It is described
Last item passes through the perforation and is fixed on the receiving hole bottom.
Further, the last item is connect with the receiving hole bottom thread.
Further, the measuring mechanism includes amesdial, connecting rod, link block, and the link block offers connecting hole, and
It is fixed on the frame upper, the rod slide is set in the connecting hole, and end is equipped with the amesdial.
Further, the last item upper end is equipped with the briquetting of round pie.
Further, the measuring unit is integrated with bracket casting.
The beneficial effect of the present invention compared with the prior art includes：
(1) measuring unit is integrated with bracket casting, is improved the benchmark accuracy of measuring unit, is also convenient for processing；
(2) spring is set, measurement mandrel is contracted in measuring unit under normal conditions, the guiding in confined planes and measuring unit
Hole abuts, and prevents measurement mandrel from skidding off measuring unit or stretching out outside measuring unit and is collided with by object；
(3) when measuring, last item is pushed, and whether mandrel and orifice chamfer to be measured are observed and measured to just by observation port, had
Effect improves measurement efficiency, also avoids measurement mandrel from excessively colliding with orifice chamfer to be measured and causes unnecessary damage, pushes last item
Measurement mandrel is pushed to move down, because of flexible presence, operator more preferably controls the pushing speed of measurement mandrel, thus
The position precision of control measurement mandrel；
(4) it is provided with the difference in height of measuring mechanism detection measurement mandrel upper end and measuring unit step surface, passes through measurement table
Whether accuracy of reading feeds back orifice chamfer diameter tolerance to be measured qualified；
(5) the receiving hole central coaxial of last item, spring, measuring unit, the point of application is on the central axis of measuring unit, when measurement
Stability it is higher, measuring unit will not the run-off the straight because of discontinuity, influence measurement accuracy.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is top view of the present invention；
Fig. 3 is measuring unit cross-sectional view of the present invention；
Fig. 4 is present invention measurement mandrel main view；
Fig. 5 is the portion the A enlarged drawing of Fig. 3；
Fig. 6 is the operation schematic diagram of enlarging lens；
Fig. 7 is the elevational schematic view of Fig. 6.
Specific embodiment
With reference to embodiment and compares attached drawing invention is further described in detail.It is emphasized that
Following the description is only exemplary, the range and its application being not intended to be limiting of the invention.
Referring to the following drawings, non-limiting and nonexcludability embodiment will be described, wherein identical appended drawing reference indicates
Identical component, unless stated otherwise.
A kind of simple big Hole chamfering measuring tool shown in -4 referring to Fig.1, including measuring unit 1, measurement mandrel 2, the survey
Amount set 1 offers axial countersunk head pilot hole 11, and the top of measuring unit 1 is equipped with step 12, and 12 height of step is that aperture to be measured is fallen
The conversion value of angular diameter tolerance.The measurement mandrel 2 is slidably arranged in pilot hole 11, and the two clearance fit, gap exists
0.009-0.015mm.The measurement mandrel 2 is ladder-like axis body, is matched with pilot hole 11, upper part is as the small of guiding
Axis, lower part are the big axis of the conical surface, and the face angle is consistent with the orifice chamfer conical surface to be measured, and the interconnecting piece of big axis and small axis, which is formed, to be limited
Face.The upper end of the measuring unit 1 is vertically equipped with bracket 4, and the measuring unit 1 is integrated with the casting of bracket 4, to improve the whole of measuring unit
Body reference measurement precision.
It is equipped with measuring mechanism in frame upper, the measuring mechanism includes amesdial 7, connecting rod 61, link block 6, the company
Block 6 is connect by bolt or is directly weldingly fixed on 4 top of bracket, link block 6 offers the horizontal connection for being equipped with the connecting rod 61
Hole, connecting rod 61 and connecting hole are fitted close.One end of connecting rod 61 penetrates in connecting hole, and can stretch sliding in connecting hole, another
End offers location hole and assembles the amesdial 7.When measurement, the pointer of amesdial 7 is withstood on to 12 upper surface of step of measuring unit,
And by pointer tune 0, by mobile connecting rod 61, amesdial is precisely read in the upper surface of the step 12 of measuring unit 1 and measurement mandrel 2
Upper surface difference, avoid in the prior art with hand go feel tolerance whether He Ge operating method, improve the precision of detection,
Operator can accurately grasp the diameter tolerance of orifice chamfer by the numerical value of amesdial.
The lower part of bracket 4 is fixed with spring 3, and 4 lower part of bracket is equipped with spring fairlead 53.In the measurement mandrel 2
Portion offers spring receiving hole 21, and the diameter of the receiving hole 21 is greater than the diameter of the spring 3, and the upper end of the spring 3 is set
In guide sleeve 53 and fixed with bracket 4, lower end is located in receiving hole 21 and is fixed on the bottom of the receiving hole 21.In normality
Under, both ends of the spring is separately connected bracket and measurement mandrel, at this point, spring is in elongated condition, has certain tensile-elasticity, will
Measurement mandrel is pulled in measuring unit.
As further improved technical solution, last item 51 is additionally provided on the bracket 4, the middle part of the bracket 4 opens up
There is the perforation interted for the last item 51.21 central coaxial of receiving hole of perforation and measurement mandrel 2.51 upper end of last item is equipped with round pie
Briquetting 5, convenient for push last item 51.The lower end of last item 51 is equipped with screw thread, sequentially passes through perforation and spring 3, is finally tightened on
21 bottom of receiving hole.The top of bracket 4 is additionally provided with orientation guide sleeve 52, the diameter matches of diameter and last item 51, for improving pressure
The stability that axis 51 moves.
To further increase measurement effect, the side wall in 1 lower part of measuring unit offers ladder-like observation port 13, for assisting
Measurement mandrel 2 is directed at orifice chamfer to be measured.Enlarging lens 15 are additionally provided at observation port 13；The side wall of observation port 13 offers guiding
Slot 14, enlarging lens 15 are being assemblied in the guide groove 14, and can be moved along guide groove 14.When measurement, last item 51 is pushed, and lead to
It crosses observation port 13 and whether observes and measures mandrel 2 and orifice chamfer to be measured to just；Enlarging lens 15 can also be pulled down, the heart is observed and measured
Whether the conical surface of axis 2 and chamfering to be measured have gap, and the section circularity of auxiliary judgment chamfering effectively improves measurement efficiency and measurement
Precision also avoids measurement mandrel from excessively colliding with orifice chamfer to be measured and causes unnecessary damage.
Before measurement, the pointer of amesdial 7 is withstood on to the upper surface of measurement mandrel 2, total indicator reading tune 0 pushes last item 51, makes
The conical surface of measurement mandrel 2 is close to chamfering to be measured, reads the reading of amesdial 7, the depth of chamfering to be measured can be obtained.
When measuring the diameter tolerance and depth of chamfering of chamfering to be measured, the conical surface of mandrel is observed and measured by enlarging lens 15
Whether have gap with chamfering to be measured, clearly grasp may cause chamfering to be measured diameter tolerance and depth of chamfering it is underproof because
Element.Such as measure mandrel the conical surface and chamfering to be measured, can use clearance gauge detector gap size.
It would be recognized by those skilled in the art that above description make numerous accommodations be it is possible, so embodiment and attached
Figure is intended merely to describe one or more particular implementations.
It is counted as example embodiment of the invention although having been described and describing, it will be apparent to those skilled in the art that
It can be variously modified and is replaced, without departing from spirit of the invention.Furthermore it is possible to make many modifications with will be special
Condition of pledging love is fitted to religious doctrine of the invention, without departing from invention described herein central concept.So the present invention is unrestricted
In specific embodiment disclosed herein, but the present invention may further include belonging to all embodiments of the scope of the invention and its being equal
Object.
Claims (9)
1. a kind of simple big Hole chamfering measuring tool, including measuring unit, measurement mandrel, the measuring unit offer axial guiding
Hole, upper part are equipped with step, and step height is the conversion value of orifice chamfer diameter tolerance to be measured；The measurement mandrel sliding setting
In the pilot hole of the measuring unit, it is characterised in that：
The measurement mandrel be ladder axis body, upper part as guiding small axis, lower part for the conical surface big axis, face angle with it is to be measured
The orifice chamfer conical surface is consistent, and the interconnecting piece of big axis and small axis forms confined planes；
The pilot hole of the measuring unit be counterbore, and with the measurement mandrel clearance fit；
The upper end of the measuring unit is vertically equipped with bracket, and the frame upper is equipped with measuring mechanism, and lower part is fixed with spring, and passes through
The connection of the spring and the measurement mandrel；
The bracket further includes last item, and the mid-stent offers perforation, and the last item passes through the perforation and is fixed on institute
State the upper end of measurement mandrel.
2. a kind of simple big Hole chamfering measuring tool as described in claim 1, it is characterised in that：The side of the measuring unit lower part
Wall offers ladder-like observation port, is directed at orifice chamfer to be measured for subsidiary mandrel.
3. a kind of simple big Hole chamfering measuring tool as claimed in claim 2, it is characterised in that：It is additionally provided at the observation port
Enlarging lens；The side wall of the observation port offers guide groove and assembles the enlarging lens.
4. a kind of simple big Hole chamfering measuring tool as described in claim 1, it is characterised in that：It opens on the measurement mandrel top
Equipped with spring receiving hole, the upper end of the spring is fixedly connected with the bracket lower part, and lower end is fixed with the receiving hole bottom
Connection；The bracket lower part is equipped with spring fairlead.
5. a kind of simple big Hole chamfering measuring tool as claimed in claim 4, it is characterised in that：The perforation of the bracket is surveyed
Measure receiving hole, the spring fairlead three's central coaxial of mandrel；The last item passes through the perforation and is fixed on the receiving hole
Bottom.
6. a kind of simple big Hole chamfering measuring tool as claimed in claim 4, it is characterised in that：The last item and the receiving
Hole bottom is threadedly coupled.
7. a kind of simple big Hole chamfering measuring tool as described in claim 1, it is characterised in that：The measuring mechanism includes thousand
Divide table, connecting rod, link block, the link block offers connecting hole, and is fixed on the frame upper, and the rod slide is located at
In the connecting hole, end is equipped with the amesdial.
8. a kind of simple big Hole chamfering measuring tool as described in claim 1, it is characterised in that：The last item upper end is equipped with circle
The briquetting of pie.
9. a kind of simple big Hole chamfering measuring tool as described in claim 1, it is characterised in that：The measuring unit and bracket are cast
It makes and is integrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810837310.7A CN108917559B (en) | 2018-07-26 | 2018-07-26 | Simple and easy macroporous chamfer measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810837310.7A CN108917559B (en) | 2018-07-26 | 2018-07-26 | Simple and easy macroporous chamfer measuring tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108917559A true CN108917559A (en) | 2018-11-30 |
| CN108917559B CN108917559B (en) | 2024-05-03 |
Family
ID=64417245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810837310.7A Active CN108917559B (en) | 2018-07-26 | 2018-07-26 | Simple and easy macroporous chamfer measuring tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108917559B (en) |
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| Publication number | Publication date |
|---|---|
| CN108917559B (en) | 2024-05-03 |
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