CN203744944U - Pneumatic measurement linearity range calibration experimental device - Google Patents
Pneumatic measurement linearity range calibration experimental device Download PDFInfo
- Publication number
- CN203744944U CN203744944U CN201420093521.1U CN201420093521U CN203744944U CN 203744944 U CN203744944 U CN 203744944U CN 201420093521 U CN201420093521 U CN 201420093521U CN 203744944 U CN203744944 U CN 203744944U
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- converter
- slide block
- block baffle
- base plate
- linearity
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Abstract
The utility model discloses a pneumatic measurement linearity range calibration experimental device, which comprises an air pressure adjusting valve (1), an A-E converter (2), sliding block baffles (4), a bottom plate (10) and a measurement head (9), wherein the inlet of the air pressure adjusting valve (1) is communicated with an air source, and the other end is connected with the inlet of the A-E converter (2); the outlet of the A-E converter (2) is connected with the air measurement head (9) via an air guide pipe (3); current signals of the A-E converter (2) are communicated with a computer via a cable; supports (5) and guide rails (11) are connected with the bottom plate (10) via bolts; each dial (6) is fixed on an adjusting nut (7) via a nut (8); the adjusting nut (7) is screwed in an adjusting thread hole (16) in the support (5); the front end of the adjusting nut (7) abuts tightly against the sliding block baffle (4); the sliding block baffles (4) are arranged on the bottom plate (10) to be tightly attached tightly to the guide rails (11); and the air measurement head (9) is arranged between the two sliding block baffles (4). According to the pneumatic measurement linearity range calibration experimental device, the structure is simple, the cost is low, measurement calibration on the linearity range and the linearity of pneumatic measurement can be realized, and the accuracy of pneumatic measurement can be improved.
Description
Technical field
The utility model relates to a kind of experimental provision, relates in particular a kind of experimental provision of demarcating the pneumatic gauging range of linearity.
Background technology
Pneumatic gauging is exactly the novel length measurement method of one using in machine building industry, conventionally implements non-cpntact measurement with very high resolution, especially measures the geometric properties of part to be processed, as linearity, and flatness, cylindricity etc.It can convert the variable quantity of workpiece size to the variation of compressed air require or pressure, is then indicated by indicating device, thereby measures the error of workpiece size.Contactless pneumatic gauging technology is, by pneumoelectric modular converter, air pressure signal is converted to electric signal, then electric signal is sent to control system Treatment Analysis, for a kind of measuring method of subsequent control.Contactless pneumatic measuring system is widely used because its unique measuring method is applicable to the online dimensional measurement of modern NC Machining Process.But the distance between the gas gauge head air pressure that A-E converter measures and a side pore and part to be processed is not completely linear, the curvature of measuring accuracy and bleed pressure, tested part also has relation simultaneously.
Summary of the invention
The utility model is for the deficiency of existing pneumatic gauging in background technology, a kind of experimental provision of the linear relationship that is specifically designed to linear relationship between research pneumatic gauging gas gauge head air pressure and gas gauge head pore and tested part and gauge head air pressure and tested part curvature is proposed, measured data is used for revising A-E data that converter is surveyed, thereby improves the measuring accuracy of part to be processed.
This experimental provision has the following advantages:
1, can accurately control the amount of feeding of slide block baffle plate by setting nut, thereby control the distance of gas gauge head pore and slide block baffle plate;
2, can be convenient for measuring the impact of surface of the work curvature on measure linear degree and measuring accuracy by the slide block baffle plate of changing different curvature.
For realizing described object, the technical solution adopted in the utility model is:
A kind of pneumatic gauging range of linearity standardization experimental apparatus comprises: air pressure regulator, A-E converter, slide block baffle plate, base plate and measuring head, be characterised in that: air pressure adjustment valve inlet is connected with source of the gas, the other end is connected the entrance of A-E converter, the outlet of A-E converter is connected by wireway with gas gauge head, the current signal of A-E converter is connected by cable and computing machine; Bolt is connected support with the support threaded hole of frame bottom through the fixed orifice on base plate with base plate, bolt is connected guide rail with the guide rail threaded hole of guide rail bottom through the fixed orifice on base plate with base plate; Index dial is fixed on setting nut by nut, and setting nut is screwed into respectively the adjusting threaded hole on support, and setting nut front end and slide block baffle plate hold out against; Slide block baffle plate is placed on base plate, and slide block baffle plate front-back and guide rail are close to, and gas gauge head is placed in the middle of two slide block baffle plates.
Described slide block baffle plate arc diameter is identical with gas measuring head diameter.
Described support Design has scale mark.
Described index dial is made with organic glass, and scale is circumference 50 deciles.
Brief description of the drawings
Fig. 1 is a kind of pneumatic gauging range of linearity of the utility model standardization experimental apparatus structural representation;
Fig. 2 is the vertical view removing in Fig. 1 after air pressure regulator 1, A-E converter 2 and wireway 3;
Fig. 3 is the side view of Fig. 2;
Fig. 4 is the structure for amplifying schematic diagram of index dial 6 in Fig. 1;
Fig. 5 is the structural representation of slide block baffle plate 4 in Fig. 1;
Fig. 6 is the vertical view of Fig. 5;
Fig. 7 is the front amplification view of base 10 in Fig. 1;
Fig. 8 is the vertical view of Fig. 7;
Fig. 9 is the upward view of Fig. 1 middle guide 11;
Figure 10 is Fig. 9 front amplification view;
Figure 11 is Fig. 1 medium-height trestle 5 upward views;
Figure 12 is the partial sectional view of Figure 11;
In accompanying drawing, 1-air pressure regulator, 2-A-E converter, 3-wireway, 4-slide block baffle plate, 5-left socle, 6-index dial, 7-setting nut, 8-nut, 9-measuring head, 10-base plate, 11-guide rail, 12-fixed orifice, 13-bottom plate hole, 14-guide rail threaded hole, 15-support threaded hole, 16-regulates threaded hole, 17-scale mark.
Embodiment
Air pressure regulator 1 entrance and source of the gas are connected, are connected the entrance of A-E converter 2 at the other end, the outlet of A-E converter 2 is connected by wireway 3 with gas gauge head 9, and the current signal of A-E converter 2 is by cable and computing machine connection; It is characterized in that: regulate A-E converter 2 entrance air pressure by the knob of adjustable pressure variable valve 1, air pressure signal is converted to electric signal by A-E converter 2, sends to easily computer control.Bolt is the support threaded hole 15 with support 5 bottoms through the fixed orifice 12 on base plate 10, and support 5 is connected with base plate 10, and bolt is the guide rail threaded hole 14 with guide rail 11 bottoms through the fixed orifice 12 on base plate 10, and guide rail 11 is connected with base plate 10; It is characterized in that: support 5, guide rail 11, base plate 10 are processed separately, process and assemble is convenient, cost is lower, and can ensure by assembling the depth of parallelism of two guide rails 11, ensures that slide block baffle plate 4 slides smoothly.Index dial 6 is fixed on setting nut 7 by nut 8, and setting nut 7 is screwed into respectively the adjusting threaded hole 16 on support 5, and setting nut 7 front ends and slide block baffle plate 4 hold out against; It is characterized in that: setting nut 7 is selected accurate thread, pitch is 1mm, and circumference is divided into 50 deciles by index dial, setting nut 7 front ends contact with slide block baffle plate 4, thus scale of the every rotation of setting nut 7, screw thread feeding 0.02mm, promote slide block baffle plate 4 and slide 0.02mm, precision is high, and feeding is convenient.Slide block baffle plate 4 is placed on base plate 10, and slide block baffle plate front-back and guide rail 11 are close to, and gas gauge head 9 is placed in the middle of two slide block baffle plates 4; It is characterized in that: regulate the depth of parallelism and gap between two guide rails 11, ensure that slide block baffle plate 4 can slide smoothly between two guide rails 11, regulate respectively the setting nut 7 on the left side and the right can ensure that 9 liang of pore air pressure of gas gauge head are even, make to measure accurately.
Described slide block baffle plate 4 arc diameters are identical with gas gauge head 9 diameters, it is characterized in that: avoid the impact of surface of the work curvature on measuring accuracy.
Described support 5 has scale mark 17, it is characterized in that: facilitate the scale of index dial 6 to regulate, ensure feed accuracy.
Described index dial 6 use organic glass are made, and scale is circumference 50 deciles, it is characterized in that: organic glass is transparent, facilitate scale alignment, and index dial 6 is divided into 50 deciles, makes often to turn lattice, the accurate feeding 0.02mm of setting nut 7.
The utility model is work like this: (principle of work)
First this experimental provision is connected with computer control, source of the gas, regulate the distance of measuring between two slide block baffle plates, ensure the large 2mm of its diameter than gas gauge head, gas gauge head is placed in the middle of two slide block baffle plates, ensure that the distance between two pores and two baffle plates equates as far as possible, open source of the gas, measure, record one group of data, then regulate a scale of the each rotation of setting nut at two ends, left and right, measurement, record data again, measure successively 50 times, obtain 50 groups of data, by data preparation, analysis; Change successively the circular arc curvature of bleed pressure, slide block baffle plate, again repeat above-mentioned experiment, finally obtain the range of linearity of pneumatic gauging and bleed pressure, the factor of influence of slide block baffle plate circular arc curvature to the pneumatic gauging range of linearity, for the production of process compensation measurement, improve measuring accuracy.
Claims (4)
1. a pneumatic gauging range of linearity standardization experimental apparatus comprises: air pressure regulator (1), A-E converter (2), slide block baffle plate (4), base plate (10) and measuring head (9), be characterised in that: air pressure regulator (1) entrance is connected with source of the gas, the other end is connected the entrance of A-E converter (2), the outlet of A-E converter (2) is connected by wireway (3) with gas gauge head (9), the current signal of A-E converter (2) is connected by cable and computing machine; Bolt is connected support (5) with the support threaded hole (15) of support (5) bottom through the fixed orifice (12) on base plate (10) with base plate (10), bolt is connected guide rail (11) with the guide rail threaded hole (14) of guide rail (11) bottom through the fixed orifice (12) on base plate (10) with base plate (10); Index dial (6) is fixed on setting nut (7) by nut (8), setting nut (7) is screwed into the adjusting threaded hole (16) on support (5), and setting nut (7) front end and slide block baffle plate (4) hold out against; It is upper that slide block baffle plate (4) is placed in base plate (10), and before and after slide block baffle plate (4), both sides and guide rail (11) are close to, and gas gauge head (9) is placed in the middle of two slide block baffle plates (4).
2. according to a kind of pneumatic gauging range of linearity standardization experimental apparatus described in claims 1, it is characterized in that: described slide block baffle plate (4) arc diameter is identical with gas gauge head (9) diameter.
3. according to a kind of pneumatic gauging range of linearity standardization experimental apparatus described in claims 1, it is characterized in that: described support (5) is designed with scale mark (17).
4. according to a kind of pneumatic gauging range of linearity standardization experimental apparatus described in claims 1, it is characterized in that: described index dial (6) is made with organic glass, scale is circumference 50 deciles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420093521.1U CN203744944U (en) | 2014-03-03 | 2014-03-03 | Pneumatic measurement linearity range calibration experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420093521.1U CN203744944U (en) | 2014-03-03 | 2014-03-03 | Pneumatic measurement linearity range calibration experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203744944U true CN203744944U (en) | 2014-07-30 |
Family
ID=51344732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420093521.1U Expired - Fee Related CN203744944U (en) | 2014-03-03 | 2014-03-03 | Pneumatic measurement linearity range calibration experimental device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203744944U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470184A (en) * | 2018-12-25 | 2019-03-15 | 中国航发哈尔滨轴承有限公司 | It is a kind of for measuring the electron column pneumoelectric micrometer of bearing bore diameter |
-
2014
- 2014-03-03 CN CN201420093521.1U patent/CN203744944U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470184A (en) * | 2018-12-25 | 2019-03-15 | 中国航发哈尔滨轴承有限公司 | It is a kind of for measuring the electron column pneumoelectric micrometer of bearing bore diameter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20150303 |
|
| EXPY | Termination of patent right or utility model |