CN207231425U - A kind of measuring device of part outer surface - Google Patents
A kind of measuring device of part outer surface Download PDFInfo
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- CN207231425U CN207231425U CN201721058838.1U CN201721058838U CN207231425U CN 207231425 U CN207231425 U CN 207231425U CN 201721058838 U CN201721058838 U CN 201721058838U CN 207231425 U CN207231425 U CN 207231425U
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- bearing seat
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Abstract
The utility model provides a kind of measuring device of part outer surface, includes successively from top to bottom in vertical direction：Positioning tool, vertical direction has a through hole, for being oriented to workpiece for measurement；There is a through hole coaxial with positioning tool through hole the measurement intracavitary measured workpiece outer surface is measured as measurement chamber, the measuring mechanism for measuring mechanism, vertical direction；Rotatable frock, has the rotatable bearing seat of a carrying workpiece for measurement, is set below above-mentioned through hole, and have a coaxial through hole；Can vertical direction movement mandril, from bottom to top through the bearing seat, measuring mechanism, extend into the through hole of positioning tool.A variety of data of the periphery specific location of measured workpiece can be obtained by the utility model, so as to improve detection range, also provide support for the follow-up use of these data.
Description
Technical field
The present invention relates to a kind of measuring device of part outer surface.
Background technology
Piston is the vital part of Reciprocting piston compressor, and piston constantly moves back and forth in cylinder, and cylinder just follows
Ring ground air-breathing, compression and exhaust.The fit clearance of piston and cylinder mainly influences the kinematic accuracy of compressor and then influences indirectly
The data such as its size, flatness are both needed to measure by the performance of compressor, therefore the diameter at the multi-section of piston, to sentence
It is disconnected whether to reach required standard.
For example, the patent application of Chinese Patent Application No. CN201320177474.4 discloses a kind of inspection for piston
Survey device, it drives the rotation of piston to be measured by rotating mechanism, and according to the piston image of camera institute continuous acquisition come with
The difference that the standard picture of storage is compared, to judge whether piston is qualified.At present, there are following defects for the detection method：
Since its alignments based on standard picture of the image of collection with being stored judges whether piston is qualified, causes
It cannot obtain the specific data such as size, periphery girth, flatness, also thus cause its detection range limited.
The content of the invention
In view of this, it is a primary object of the present invention to provide a kind of measuring device of part outer surface, can obtain tested
A variety of data of the periphery specific location of workpiece, so as to improve detection range, the also follow-up use for these data provides branch
Support.
The measuring device of part outer surface provided by the invention, includes successively from top to bottom in vertical direction：
Positioning tool, vertical direction has a through hole, for being oriented to workpiece for measurement；
Measuring mechanism, vertical direction have a through hole coaxial with positioning tool through hole as measurement chamber, the measuring mechanism
The measurement intracavitary measured workpiece outer surface is measured；
Rotatable frock, has the rotatable bearing seat of a carrying workpiece for measurement, is set below above-mentioned through hole, and have
There is a coaxial through hole；
Can vertical direction movement mandril, from bottom to top through the bearing seat, measuring mechanism, extend into positioning tool
In through hole.
By upper, the workpiece entered from positioning tool is sent into the measurement chamber of measuring mechanism by mandril, and by that will measure
The workpiece of intracavitary is rotated and measured, it is hereby achieved that the periphery specific location size of measured workpiece, girth, flatness etc.
A variety of data, so as to improve detection range, also provide support for the follow-up use of these data.
Optionally, it is in upward horn-like through hole that the positioning tool, which includes having,；The aperture of the through hole lower part and measurement
The through hole internal diameter of mechanism is identical.
By upper, by the way that the smooth importing positioning tool of workpiece and entrance measuring mechanism can be measured in horn-like through hole
Chamber, which is particularly advantageous for so that columned workpiece is adjusted to axial vertical downward conveying.
Optionally, the measuring mechanism is pneumatic transmitter, has pneumatic pass on the through-hole side wall as measurement chamber
Stomata used in sensor.
By upper, due to measurement chamber and non-open design feature of the measured workpiece using enclosed structure, closely spaced spy
Point, especially suitable pneumatic transmitter, detection are accurate and quick.
Optionally, the stomata used in the pneumatic transmitter includes at least two, is set in vertical direction different height.
By upper, by vertical direction different height, above-mentioned a variety of data of workpiece different height can be detected at the same time, are detected
Efficient, the data of acquisition are complete.
Optionally, the rotatable frock further includes the tubular rotary body for supporting the bearing seat；Under the measuring mechanism
Side also sets up a support base, its center has a through hole of face measuring mechanism through hole, is slided with the tubular rotary body periphery
Connection.
By upper, by tubular rotary body, the cylinder that it is rotated can will be driven to be set apart from distance below, pass through branch
Support and positioning action are played in the rotation that support seat can be very good to tubular rotary body.
Optionally, the bearing seat can vertical direction movement.
By upper, passing through the movement of the vertical direction of bearing seat so that pneumatic transmitter can correspond to the different height of workpiece,
It is hereby achieved that above-mentioned a variety of data of workpiece different height.
Optionally, the mandril is located at the through hole, the center of the bearing seat.
By upper, during mandril decline, can be as far as possible so that workpiece is located at each through hole center and moves down, as far as possible with respectively
Through-hole side wall contacts and can be carried on as far as possible the center of bearing seat less, and when rotation can be maintained at center as far as possible
Position is rotated.
Brief description of the drawings
Fig. 1 is the front view of measuring device；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the phantom that the right side of Fig. 1 regards.
Embodiment
In following embodiments, the cylindrical parts are illustrated by taking piston 900 as an example.Can be real by measuring device of the present invention
Now to the automatic measurement of multi items workpiece, be conducive to improve accuracy of detection and detection efficiency.
Referring specifically to attached drawing, the precision measurement apparatus of cylindrical parts provided by the invention is described in detail, vertical side
To including successively from top to bottom：
Positioning tool 100, is set positioned at top, and it is in horn-like through hole upward that center, which has, which receives
The outside diameter held back to internal diameter and cylindrical parts is essentially identical so that piston 900 to be measured can smoothly it is axial it is vertical fall into it is described
Through hole, and workpiece is accurately positioned；
Using the automatic Precision Measurement mechanism 200 of pneumatic transmitter, to be measured to workpiece, it is located at positioning tool
100 bottoms, center have the through hole connected with positioning tool 100, the through hole internal diameter and 100 bottom through-hole internal diameter phase of positioning tool
Together, and it is coaxially disposed, which forms measurement chamber, and stomata used in pneumatic transmitter is provided with inner wall；
Support base 300, its center have and a through hole, the through hole of face pneumatic transmitter automatic Precision Measurement mechanism 200
It is coaxially disposed.300 main body of support base is used to support automatic Precision Measurement mechanism 200 and positioning tool 100 thereon, the support
The through hole of seat 300 and 402 periphery of tubular rotary body of following rotatable frocks 400 are slidably connected, and are used to support tubular rotation
Body.
Rotatable frock 400, it include for carry piston to be measured bearing seat 401, positioned at the lower section of bearing seat 401, branch
Support the tubular rotary body 402 of the bearing seat 401.Rotatable 400 face pneumatic transmitter automatic Precision Measurement mechanism 300 of frock
Through hole is set, and 401 center of bearing seat has a through hole, and the through hole and the mandril 610 of aftermentioned second cylinder 600 driving slide company
Connect；
First cylinder 410, positioned at rotatable 400 bottom of frock, for driving the tubular of the rotatable frock 400
Rotary body 402 rotates, and is rotated with the bearing seat 401 for driving tubular rotary body 402 to carry piston to be measured；Its center has
One through hole, and be coaxially disposed.The mandril 610 that the through hole drives with aftermentioned second cylinder 600 is slidably connected；
Second cylinder 600, positioned at 410 bottom of the first cylinder, which drives a vertical direction can be upper and lower
A mobile mandril 610.The mandril 610 can stretch out upwards, sequentially pass through 410 central through hole of the first cylinder, rotatable frock 400
401 central through hole of tubular rotary body 402 and bearing seat, 300 central through hole of support base, pneumatic transmitter automatic Precision Measurement mechanism
200 central through holes, stretch into 100 through hole of positioning tool, accepts the piston 900 of whereabouts；The mandril 610 is retracted to downwards less than fixed
During the frock 100 of position, the decline of piston 900 thereon is ask to fall into pneumatic transmitter automatic Precision Measurement mechanism 200, and can be revolved
400 bearing seat of rotating tooling is carried.
In addition, the bearing seat 401 of the rotatable frock 400 may also be configured to liftable, then difference can be further measured
The outer weekly data of the piston of height and position.
Wherein, above-mentioned support base 300 may be mounted on the upper backup pad of support platform 500, and the second cylinder 600 may be mounted to
On 500 lower supporting plate of mounting platform, the first cylinder 410 may be mounted between the upper and lower support plate of mounting platform 500.
Described with reference to said structure, to the operation principle of the precision measurement apparatus of cylindrical parts described in the utility model
It is described：
S1：Control device receives the signal that will measure piston to be measured, and the second cylinder 600 of triggering drives its mandril 610
It is moved to upper.
S2：Piston to be measured is put into from pre-determined bit frock, control device is received after workpiece correctly put steady signal, is touched
Sending out the second cylinder 600 drives its 610 support of mandril piston to be measured and be moved to bottom.In folding process, treated by positioning tool 100
Survey piston to be positioned, and enter in the through hole of pneumatic transmitter automatic Precision Measurement mechanism 200, and be placed in rotatable frock
On 400 bearing seat 401.
S3：After control device receives the signal of workpiece positioning in place, then trigger the first cylinder 410 and drive rotatable work
Fill 400 tubular rotary body 402 to rotate, drive bearing seat 401 thereon to carry piston rotary motion to be measured；And trigger pneumatic pass
Sensor automatic Precision Measurement mechanism 200 measures the diameter of section of workpiece；It is in rotary course and automatic by pneumatic transmitter
Accurate measurement mechanism 200 measures, so as to form measurement (the setting up and down, fixed bit to outside piston week each position
The mechanism plug jet put continuously measures rotating measured workpiece, so as to obtain the outer surface data of the several positions of measured workpiece),
And by data transfer to terminating machine (PC) carry out later data processing.
S4：After being measured, the first cylinder 410 resets, and the second cylinder 600 drives its mandril to move up, and will currently be tested work
Workpiece, is removed by plug top to pre-determined bit frock position by operator, whole measuring device wait next measured workpiece into
Enter.
By the precision measurement apparatus of above-mentioned piston the automatic measurement of workpiece outside diameter can be realized, it can be achieved that measurement repeatable accuracy
For 0.5 μm；Meanwhile replacement frock and gauge head are convenient and reliable, it can be achieved that being surveyed using same measuring device to multi items workpiece
Amount, it is applied widely.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention god.
Claims (7)
1. a kind of measuring device of part outer surface, it is characterised in that include successively from top to bottom in vertical direction：
Positioning tool, vertical direction has a through hole, for being oriented to workpiece for measurement；
Measuring mechanism, vertical direction have a through hole coaxial with positioning tool through hole as measurement chamber, and the measuring mechanism is to this
Measurement intracavitary measured workpiece outer surface measures；
Rotatable frock, has the rotatable bearing seat of a carrying workpiece for measurement, is set below above-mentioned through hole, and with one
Coaxial through hole；
Can vertical direction movement mandril, from bottom to top through the bearing seat, measuring mechanism, extend into the through hole of positioning tool
It is interior.
2. device according to claim 1, it is characterised in that the positioning tool includes having to be led in horn-like upward
Hole；The aperture of the through hole lower part is identical with the through hole internal diameter of measuring mechanism.
3. device according to claim 1, it is characterised in that the measuring mechanism is pneumatic transmitter, described as survey
Measure the stomata having on the through-hole side wall of chamber used in pneumatic transmitter.
4. device according to claim 3, it is characterised in that the stomata used in the pneumatic transmitter includes at least two
It is a, set in vertical direction different height.
5. device according to claim 1, it is characterised in that
The rotatable frock further includes the tubular rotary body for supporting the bearing seat；
A support base is also set up below the measuring mechanism, its center has a through hole of face measuring mechanism through hole, and described
Tubular rotary body periphery is slidably connected.
6. device according to claim 1 or 5, it is characterised in that the bearing seat can vertical direction movement.
7. device according to claim 1, it is characterised in that the mandril is located in the through hole, the bearing seat
Heart position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721058838.1U CN207231425U (en) | 2017-08-22 | 2017-08-22 | A kind of measuring device of part outer surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721058838.1U CN207231425U (en) | 2017-08-22 | 2017-08-22 | A kind of measuring device of part outer surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207231425U true CN207231425U (en) | 2018-04-13 |
Family
ID=61857658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721058838.1U Active CN207231425U (en) | 2017-08-22 | 2017-08-22 | A kind of measuring device of part outer surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207231425U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345796A (en) * | 2017-08-22 | 2017-11-14 | 机科发展科技股份有限公司 | A kind of measurement apparatus and measuring method of part outer surface |
| CN112146547A (en) * | 2020-09-30 | 2020-12-29 | 张淑敏 | Spinning machine axle type part detection device |
-
2017
- 2017-08-22 CN CN201721058838.1U patent/CN207231425U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345796A (en) * | 2017-08-22 | 2017-11-14 | 机科发展科技股份有限公司 | A kind of measurement apparatus and measuring method of part outer surface |
| CN107345796B (en) * | 2017-08-22 | 2024-03-22 | 机科发展科技股份有限公司 | Measuring device and measuring method for outer surface of part |
| CN112146547A (en) * | 2020-09-30 | 2020-12-29 | 张淑敏 | Spinning machine axle type part detection device |
| CN112146547B (en) * | 2020-09-30 | 2022-06-03 | 福建源嘉轻纺有限公司 | Spinning machine axle type part detection device |
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