CN107764214A - A kind of flexible bearing outside diameter measuring fixture and its method of work - Google Patents
A kind of flexible bearing outside diameter measuring fixture and its method of work Download PDFInfo
- Publication number
- CN107764214A CN107764214A CN201711153676.4A CN201711153676A CN107764214A CN 107764214 A CN107764214 A CN 107764214A CN 201711153676 A CN201711153676 A CN 201711153676A CN 107764214 A CN107764214 A CN 107764214A
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- flexible bearing
- measured
- block
- outside diameter
- tracheae
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Abstract
The present invention relates to a kind of flexible bearing outside diameter measuring fixture and its method of work, including base (1), product placement platform (2) to be measured and V-block (3), product placement platform (2) to be measured is arranged on base (1) with V-block (3), product placement platform (2) to be measured is located in the V-type mouth of V-block (3), flexible bearing is placed on product placement platform (2) to be measured, it is symmetrical on the intraoral wall of V-type of V-block (3) that two blowing nozzles must be provided with, two blowing nozzles face the outer wall of the flexible bearing and blowing nozzle is not in contact with flexible bearing；The gas of air-gauge output acts on the diametric(al) of flexible bearing by above-mentioned two venthole.Measured material of the present invention is used for detection detection thin-wall bearing, the outside dimension of flexible bearing with oval, in actual applications, easy to operate, quick and accuracy height.
Description
Technical field
The present invention relates to a kind of measured material, more particularly, to one kind detection thin-wall bearing, flexible bearing outside dimension with
Oval measured material.
Background technology
Air-gauge, it is a kind of new length measuring instrument used in machine building industry.Its principle is to compare survey
Amount method.Its method of work is that length signals is converted into airflow signal, and a kind of shown by the buoy in graduated glass tube
Value, referred to as float type pneumatic measuring instrument；Another is that gas signal is converted into electric signal by luminous tube by pneumatic-to-current converter
The light beam indicating value of composition, referred to as electronics pillar pneumatic measuring instrument.Pneumatic measuring instrument is by with various Pneumatic measuring heads or pneumatically
Measurement apparatus is supported the use, and accurate measurement is carried out to the size or morpheme parameter of measured piece with comparative measurement method.
In actual production, when detecting thin-wall bearing, flexible bearing external diameter, if axle will be made using existing measurement apparatus
Moderate finite deformation occurs for bearing ring, causes detected size to be differed greatly with actual size, and bad measurement repeatability.It is badly in need of a kind of new
Measurement apparatus is to overcome above mentioned problem.
The content of the invention
The present invention devises a kind of flexible bearing outside diameter measuring fixture, and its technical problem solved is existing flexible bearing
External diameter measuring device will make bearing ring that moderate finite deformation occur, and cause detected size to be differed greatly with actual size, and measure
Poor repeatability.
In order to solve above-mentioned technical problem, present invention employs following scheme：
A kind of flexible bearing outside diameter measuring fixture, it is characterised in that：Including base (1), product placement platform to be measured (2) with
And V-block (3), product placement platform (2) to be measured are arranged on base (1) with V-block (3), product placement platform (2) position to be measured
In the V-type mouth of V-block (3), flexible bearing is placed on product placement platform (2) to be measured, on the intraoral wall of V-type of V-block (3)
Symmetrical to be provided with two blowing nozzles, two blowing nozzles face the outer wall of the flexible bearing；The gas of air-gauge output leads to
Cross the diametric(al) that above-mentioned two venthole acts on flexible bearing.
Further, base (1) is provided with air inlet, and air-gauge is connected by the first tracheae with the air inlet, in institute
State and be provided with three-port structure inside base (1), the first end of three-port structure is also connected with the air inlet, the second end of three-port structure
Mouth is blown afloat by the second tracheae with one to connect, the 3rd end of three-port structure is blown afloat mouth with another by the 3rd tracheae and connected.
Further, the second tracheae and the 3rd tracheae are entered back into after being passed from base (1) to V-block (3), the second tracheae and
Three tracheaes leave the positioning for ensuring tracheae bearing of trend in the position of base (1) provided with spring.
Further, product placement platform (2) to be measured is made up of multiple guide rails (21) be arrangeding in parallel, two neighboring guide rail
(21) it is a collecting tank (22) for collecting grease between.
Further, the V-type mouth bottom of V-block (3) is grinding undercut (31), and it is used to position flexible bearing.
Further, the air-gauge is electronics pillar pneumatic measuring instrument.
A kind of method of work of flexible bearing outside diameter measuring fixture, comprises the following steps：
Step 1, electronics pillar pneumatic measuring instrument and flexible bearing outside diameter measuring fixture be attached by tracheae；
Step 2, the limiting value of product correspondingly-sized to be measured inputs to electron beam, and known to size standard component to electronics
Post indicating value is proofreaded, it is desirable to which electron beam show value is consistent with the mark value of actual standard part；
Step 3, after product to be detected is placed on into product placement platform (2) to be measured, the V-type mouth to V-block (3) slowly
Bottom elapses, until encountering V-block (3) and being completely attached to the surface of V-type mouth；
Step 4, start electronics pillar pneumatic measuring instrument, electronics pillar pneumatic measuring instrument record measured value, and with reality
The mark value of standard component is compared；
Step 5, product often measured once afterwards rotate 120 ° measured again, measure altogether three times, three times measured value
It is unqualified if being considered as when the mark value of measured value twice or more than twice and actual standard part is inconsistent, otherwise to close
Lattice.
Further, the step 1 enters line replacement with step 2 sequencing.
The flexible bearing outside diameter measuring fixture has the advantages that：
(1) outside dimension that measured material of the present invention is used to detect detection thin-wall bearing, flexible bearing is with oval, in reality
In, easy to operate, quick and accuracy height.
(2) measure the item of the present invention is more, such as length, Geometrical Error, especially uses mechanical gauge and amount to some
The insoluble measurement of instrument is easier to realize with pneumatic gauging.
(3) multiplication factor for the gas dynamic tester that the present invention uses is higher, and human error is smaller, does not interfere with measurement accuracy；
It is without mechanical friction during work, so without hysterisis error.
(4) operating method of the present invention is simple, and reading is easy, can continuously be measured, it is easy to whether finds out each size
It is qualified.
(5) present invention realizes that measurement head is not directly contacted with measured surface, reduces influence of the measuring force to measurement result, together
When prevent plowing from measured piece surface, the measurement to thin-walled parts and soft metal part is especially suitable.
(6) it is of the invention because non-cpntact measurement, measurement head can reduce abrasion, expanded service life.Air-gauge main body
Connected between measurement head using flexible pipe, telemeasurement can be achieved.
(7) simple in construction, reliable operation of the invention, adjust, use and maintenance is quite convenient to.
Brief description of the drawings
Fig. 1：The flexible bearing outside diameter measuring fixture dimensional structure diagram of the present invention；
Fig. 2：The top view of the flexible bearing outside diameter measuring fixture of the present invention
Description of reference numerals：
1-base；2-product placement platform to be measured；21-guide rail；22-guide groove；3-V-block；31-grinding undercut；
32-screw；4-tracheae；5-product to be measured.
Embodiment
With reference to Fig. 1 and Fig. 2, the present invention will be further described：
Flexible bearing outside diameter measuring fixture of the present invention is specially to be used cooperatively with air-gauge.
Operating pneumatic method is using compressed air as medium, using air flow in the duct or pressure with pipeline
The characteristic of physical dimension and change in shape, size quantity or displacement are converted into flow or the variable quantity of pressure, surveyed so as to realize
Amount.Gas dynamic tester is divided into flow-type, pressure type, flowing speed type etc. by operation principle.Wherein, pressure type air-gauge is sent because being easy to
Signal, it is usually used in actively measuring；Flow-type, flowing speed type are suitable for static measurement, multi-purpose to make in-process checking.
As shown in figure 1, a kind of flexible bearing outside diameter measuring fixture, including base 1, product placement platform 2 to be measured and V-type
Block 3, product placement platform 2 to be measured are arranged on base 1 with V-block 3, and product placement platform 2 to be measured is located at the V-type mouth of V-block 3
In, flexible bearing is placed on product placement platform 2 to be measured, symmetrical on the intraoral wall of V-type of V-block 3 to be provided with two blowing nozzles,
Two blowing nozzles face the outer wall of flexible bearing；The gas of air-gauge output acts on flexibility by above-mentioned two venthole
The diametric(al) of bearing.Air-gauge can be electron beam formula pneumatic measuring instrument.
Base 1 is provided with air inlet, and air-gauge is connected by the first tracheae with air inlet, and three are provided with inside base 1
Logical structure, the first end of three-port structure are also connected with air inlet, and the second end of three-port structure is blown afloat by the second tracheae and one
Mouth connects, and the 3rd end of three-port structure is blown afloat mouth with another by the 3rd tracheae and connected.Second tracheae and the 3rd tracheae are the bottom of from
Seat 1 enters back into V-block 3 after passing, and the second tracheae and the 3rd tracheae, which leave, to be provided with spring in the position of base 1 and ensure that tracheae prolongs
Stretch the positioning in direction.The V-type mouth bottom of V-block 3 is grinding undercut 31, and it is used to position flexible bearing.
Product placement platform 2 to be measured is made up of multiple guide rails 21 be arrangeding in parallel, is received between two neighboring guide rail 21 for one
Collect the collecting tank 22 of grease.Multiple guide rails 21 can play the coefficient of friction for increasing product bottom to be measured, it is ensured that product to be measured is not
It can be moved.Meanwhile product to be measured is typically flexible bearing, flexible bearing influences whether that grease is lubricated, in order to avoid
Grease drippage has influence on the stability that product to be measured is placed, and collecting tank 22 can avoid Grease Collection grease to product to be measured
Influence.
As shown in Fig. 2 a kind of method of work of flexible bearing outside diameter measuring fixture, comprises the following steps：
Step 1, electronics pillar pneumatic measuring instrument and flexible bearing outside diameter measuring fixture be attached by tracheae；
Step 2, the limiting value of product correspondingly-sized to be measured inputs to electron beam, and known to size standard component to electronics
Post indicating value is proofreaded, it is desirable to which electron beam show value is consistent with the mark value of actual standard part；
Step 3, after product to be detected is placed on into product placement platform 2 to be measured, the V-type mouth bottom to V-block 3 slowly
Passage, until encountering V-block 3 and being completely attached to the surface of V-type mouth；
Step 4, start electronics pillar pneumatic measuring instrument, electronics pillar pneumatic measuring instrument record measured value, and with reality
The mark value of standard component is compared；
Step 5, product often measured once afterwards rotate 120 ° measured again, measure altogether three times, three times measured value
It is unqualified if being considered as when the mark value of measured value twice or more than twice and actual standard part is inconsistent, otherwise to close
Lattice.
Step 1 enters line replacement with step 2 sequencing.
Exemplary description is carried out to the present invention above in conjunction with accompanying drawing, it is clear that realization of the invention is not by aforesaid way
Limitation, it is or not improved by the present invention as long as employing the various improvement of inventive concept and technical scheme of the present invention progress
Design and technical scheme directly apply to other occasions, within the scope of the present invention.
Claims (8)
- A kind of 1. flexible bearing outside diameter measuring fixture, it is characterised in that：Including base (1), product placement platform to be measured (2) and V-block (3), product placement platform (2) to be measured are arranged on base (1) with V-block (3), and product placement platform (2) to be measured is located at In the V-type mouth of V-block (3), flexible bearing is placed on product placement platform (2) to be measured, right on the intraoral wall of V-type of V-block (3) Claim that two blowing nozzles must be provided with, two blowing nozzles face the outer wall of the flexible bearing and blowing nozzle is not sent out with flexible bearing Raw contact；The gas of air-gauge output acts on the diametric(al) of flexible bearing by above-mentioned two venthole.
- 2. flexible bearing outside diameter measuring fixture according to claim 1, it is characterised in that：Base (1) is provided with air inlet, gas Momentum instrument is connected by the first tracheae with the air inlet, is provided with three-port structure inside the base (1), and the of three-port structure One end is also connected with the air inlet, and the second end of three-port structure is blown afloat mouth with one by the second tracheae and connected, three-port structure The 3rd end mouth blown afloat with another by the 3rd tracheae connected.
- 3. flexible bearing outside diameter measuring fixture according to claim 2, it is characterised in that：Second tracheae and the 3rd tracheae are the bottom of from Seat (1) enters back into V-block (3) after passing, and the second tracheae and the 3rd tracheae are left in the position of base (1) to be ensured provided with spring The positioning of tracheae bearing of trend.
- 4. according to flexible bearing outside diameter measuring fixture any one of claim 1-3, it is characterised in that：Product to be measured is put Horizontalization platform (2) is made up of multiple guide rails (21) be arrangeding in parallel, is a collection for collecting grease between two neighboring guide rail (21) Groove (22).
- 5. according to flexible bearing outside diameter measuring fixture any one of claim 1-4, it is characterised in that：V-block (3) V-type mouth bottom is grinding undercut (31), and it is used to position flexible bearing.
- 6. flexible bearing outside diameter measuring fixture according to claim 1, it is characterised in that：The air-gauge is electronics pillar Pneumatic measuring instrument.
- 7. a kind of method of work of flexible bearing outside diameter measuring fixture, comprises the following steps：Step 1, electronics pillar pneumatic measuring instrument and flexible bearing outside diameter measuring fixture be attached by tracheae；Step 2, the limiting value input electron beam by product correspondingly-sized to be measured, and standard component shows electron beam known to size Value is proofreaded, it is desirable to which electron beam show value is consistent with the mark value of actual standard part；Step 3, after product to be detected is placed on into product placement platform (2) to be measured, the V-type mouth bottom to V-block (3) slowly Passage, until encountering V-block (3) and being completely attached to the surface of V-type mouth；Step 4, start electronics pillar pneumatic measuring instrument, electronics pillar pneumatic measuring instrument record measured value, and and actual standard The mark value of part is compared；Step 5, product often measured once afterwards rotate 120 ° measured again, measure three times altogether, if measured value three times Be considered as when having the mark value of measured value and actual standard part twice or more than twice inconsistent it is unqualified, otherwise to be qualified.
- 8. the method for work of flexible bearing outside diameter measuring fixture according to claim 7, it is characterised in that：The step 1 with Step 2 sequencing enters line replacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711153676.4A CN107764214A (en) | 2017-11-17 | 2017-11-17 | A kind of flexible bearing outside diameter measuring fixture and its method of work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711153676.4A CN107764214A (en) | 2017-11-17 | 2017-11-17 | A kind of flexible bearing outside diameter measuring fixture and its method of work |
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| CN107764214A true CN107764214A (en) | 2018-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711153676.4A Pending CN107764214A (en) | 2017-11-17 | 2017-11-17 | A kind of flexible bearing outside diameter measuring fixture and its method of work |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827214A (en) * | 2018-09-10 | 2018-11-16 | 洛阳Lyc轴承有限公司 | A kind of detection device and method of super large type bearing ring outer diameter |
| CN110672321A (en) * | 2019-10-18 | 2020-01-10 | 洛阳轴承研究所有限公司 | Device for measuring radial load deformation of bearing |
| CN114838678A (en) * | 2022-07-04 | 2022-08-02 | 河北亿泰克轴承有限公司 | Pneumatic measuring device for outer diameter of thin-wall bearing ring |
| CN115069586A (en) * | 2022-06-17 | 2022-09-20 | 武汉东方骏驰精密制造有限公司 | Blanking machine capable of automatically taking and detecting products |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827214A (en) * | 2018-09-10 | 2018-11-16 | 洛阳Lyc轴承有限公司 | A kind of detection device and method of super large type bearing ring outer diameter |
| CN110672321A (en) * | 2019-10-18 | 2020-01-10 | 洛阳轴承研究所有限公司 | Device for measuring radial load deformation of bearing |
| CN115069586A (en) * | 2022-06-17 | 2022-09-20 | 武汉东方骏驰精密制造有限公司 | Blanking machine capable of automatically taking and detecting products |
| CN114838678A (en) * | 2022-07-04 | 2022-08-02 | 河北亿泰克轴承有限公司 | Pneumatic measuring device for outer diameter of thin-wall bearing ring |
| CN114838678B (en) * | 2022-07-04 | 2022-09-02 | 河北亿泰克轴承有限公司 | Pneumatic measuring device for outer diameter of thin-wall bearing ring |
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