CN112665490B - Eccentric inner curve profile gauge - Google Patents
Eccentric inner curve profile gauge Download PDFInfo
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- CN112665490B CN112665490B CN202010750069.1A CN202010750069A CN112665490B CN 112665490 B CN112665490 B CN 112665490B CN 202010750069 A CN202010750069 A CN 202010750069A CN 112665490 B CN112665490 B CN 112665490B
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- positioning block
- column
- right positioning
- curve profile
- left positioning
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention relates to an eccentric inner curve profile detection tool, belongs to the technical field of machinery, and solves the problem of troublesome eccentric inner curve profile detection in the prior art. The invention comprises a bottom plate, wherein a left positioning block and a right positioning block capable of relatively moving are arranged on the bottom plate, a left positioning column is arranged on the left positioning block, a right positioning column is arranged on the right positioning block, a gap is arranged between the left positioning block and the right positioning block, and a measuring device capable of measuring the distance between the left positioning block and the right positioning block is arranged on the left positioning block or the right positioning block. The eccentric inner curve profile gauge has the advantages that the left positioning column and the right positioning column are designed on the two design circles of the inner circle through simulating the design requirement of the eccentric inner circle, when the processing precision of the inner circle is checked, a workpiece is simply sleeved on the two positioning columns, and then the workpiece is rotated, so that the eccentric inner curve profile gauge has the advantages of simple structure and convenience in checking; the distance between the two positioning posts can be varied according to the inner radius by providing a spring mechanism.
Description
Technical Field
The invention relates to the technical field of machinery, in particular to an eccentric inner curve profile gauge.
Background
The gauge is a simple tool for controlling various sizes of products in industrial production enterprises, is a common tool for improving production efficiency and controlling quality, and is suitable for mass production of products. The requirement on the contour precision of the inner curve of the eccentric ring is higher, and whether the inner circle of the eccentric ring accords with the design or not needs to be detected.
The prior art has complicated process of detecting the outline of the inner circle curve of the eccentric ring, and a detection tool which is convenient and quick to detect and meets the precision requirement is not designed.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an eccentric inner curve profile gauge convenient to check.
The aim of the invention can be achieved by the following technical scheme: the utility model provides an utensil is examined to eccentric inner curve profile, includes the bottom plate, the bottom plate on be equipped with but relative motion's left locating piece and right locating piece, left locating piece on be equipped with left reference column, right locating piece on be equipped with right reference column, left locating piece and right locating piece between be equipped with the clearance, left locating piece or right locating piece on be equipped with the measuring device that can measure both distances.
The left positioning block and the positioning block are respectively used for setting the left positioning column and the right positioning column, the gap between the left positioning block and the right positioning block can be changed through relative motion, the distance change in the relative motion process of the left positioning column and the right positioning column can be measured through the measuring device, the workpiece to be measured can be sleeved on the outer sides of the left positioning column and the right positioning column, the inner wall of the workpiece to be measured is tightly attached to the outer sides of the left positioning column and the right positioning column, the workpiece to be measured is rotated, the measuring device is observed to judge whether the inner diameter of the workpiece to be measured is changed or not, if the inner diameter is changed, the workpiece is unqualified, if the workpiece is unchanged, the workpiece is qualified, the use is simple, and the measurement is rapid.
In the eccentric inner curve profile gauge, the measuring device is a dial indicator, the dial indicator body is arranged on the right positioning block, and the measuring head of the dial indicator always abuts against the left positioning block.
The working principle of the dial indicator is that the measuring rod caused by the measured dimension moves in a tiny straight line, and the measuring rod is amplified through gear transmission and changed into the rotation of a pointer on a dial, so that the measured dimension is read out, and the detection requirement can be met.
In another aspect, in the eccentric inner curve profile gauge, the measuring device is a distance sensor. The distance sensor can sense the distance between the sensor and an object, and can meet the detection requirement.
In the eccentric inner curve profile gauge, a spring mechanism which enables the left positioning block and the right positioning block to always keep outward opening trend is arranged between the left positioning block and the right positioning block, the left positioning column comprises a left core shaft arranged on the left positioning block and a left column body sleeved on the outer side of the left core shaft, the right positioning column comprises a right core shaft arranged on the right positioning block and a right column body sleeved on the outer side of the right core shaft, the left column body can rotate along the circumferential direction of the left core shaft, and the right column body can rotate along the circumferential direction of the right core shaft.
The left positioning block and the right positioning block can always keep the outward opening trend through the arrangement of the spring mechanism, and the side walls of the left positioning column and the right positioning column are always clung to the inner wall of the workpiece during testing. The cylinder rotates along the circumferential direction of the mandrel, so that friction force can be reduced, larger abrasion to the inner circle of a workpiece is prevented, and the circle center connecting line of the left positioning column and the right positioning column penetrates through the circle center of the outer circle, namely, the circle center distances of the two positioning columns are equal and are always in the same straight line with the circle center of the outer circle.
In the eccentric inner curve profile gauge, the spring mechanism comprises a spring, a blind hole for placing the spring is formed in the left positioning block, a through hole is formed in the right positioning block, and a spring seat for compressing the spring is arranged in the through hole. The blind hole is used for placing the spring, and the through hole is used for placing the spring holder, and the spring holder is used for compressing the spring.
In the eccentric inner curve profile gauge, the side part of the right positioning block is provided with the adjusting column propped against the spring seat, and the adjusting column is in threaded connection with the right positioning block. The inner wall of the workpiece to be measured is respectively clung to the outer sides of the left positioning column and the right positioning column by adjusting the proper distance between the spring seat and the spring through the adjusting column.
In the eccentric inner curve profile gauge, an extension rod is arranged between the spring seat and the adjusting column. When the length of the adjusting column is insufficient to meet the length required by the adjusting distance, the adjusting distance can be prolonged by arranging the extension rod.
In another scheme, in the eccentric inner curve profile gauge, blind holes are respectively formed in the positions, opposite to the left positioning block and the right positioning block, of the eccentric inner curve profile gauge, and a jacking spring is arranged in each blind hole.
The blind hole is used for arranging a jacking spring, and the left positioning block and the right positioning block always keep the outward stretching trend through the jacking spring.
In the eccentric inner curve profile gauge, a guide mechanism is arranged between at least one of the left positioning block or the right positioning block and the bottom plate.
When a bad workpiece to be detected is rotated, the inner diameter of the workpiece is changed, the distance between the left positioning block and the right positioning block is possibly increased, the left positioning block and the right positioning block can reversely and horizontally move on the bottom plate under the reaction force of the spring mechanism, and the left positioning block and the right positioning block can be guided by arranging the guide mechanism.
In the eccentric inner curve profile gauge, the guide mechanism is a guide groove arranged on the bottom plate and a guide rail arranged on the left positioning block or the right positioning block. The left positioning block and the right positioning block are guided by the cooperation of the guide groove and the guide rail.
Compared with the prior art, the eccentric inner curve profile gauge has the advantages that the left positioning column and the right positioning column are designed on the two design circles of the inner circle through simulating the design requirement of the eccentric inner circle, when the processing precision of the inner circle is checked, a workpiece is simply sleeved on the two positioning columns, and then the workpiece is rotated, so that the eccentric inner curve profile gauge has the advantages of simple structure and convenience in checking; the distance between the two positioning columns can be changed according to the radius of the inner circle by arranging the spring mechanism; the detection device is used for observing the change of the radius of the inner circle to judge whether the inner circle meets the design requirement, and the method is simple and visual.
Drawings
Fig. 1 is a front view of embodiment 1;
FIG. 2 is a top view of example 1;
FIG. 3 is a side view of example 1;
FIG. 4 is a top view of example 2;
in the figure, 1, a bottom plate; 2. a left positioning block; 3. a right positioning block; 31. an adjusting column; 32. an extension rod; 4. a left positioning column; 41. a left mandrel; 42. a left column; 5. a right positioning column; 51. a right mandrel; 52. a right column; 6. a dial indicator; 7. a distance sensor; 8. a spring mechanism; 81. a spring; 82. a blind hole; 83. a through hole; 84. a spring seat; 9. a guide mechanism; 91. a guide groove; 92. and a guide rail.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
Example 1
As shown in fig. 1-3, the embodiment includes a bottom plate 1, the bottom plate 1 is provided with a left positioning block 2 and a right positioning block 3 capable of relatively moving, the left positioning block 2 is provided with a left positioning column 4, the right positioning block 3 is provided with a right positioning column 5, a gap is arranged between the left positioning block 2 and the right positioning block 3, and the left positioning block 2 or the right positioning block 3 is provided with a measuring device capable of measuring the distance between the left positioning block and the right positioning block.
The left positioning block 2 and the positioning blocks are respectively used for setting the left positioning column 4 and the right positioning column 5, the gap between the left positioning block 2 and the right positioning block 3 can be changed through relative motion, the distance change in the relative motion process of the left positioning column 4 and the right positioning column 5 can be measured through the measuring device, the workpiece to be measured can be sleeved on the outer sides of the left positioning column 4 and the right positioning column 5, the inner wall of the workpiece to be measured is tightly attached to the outer sides of the left positioning column and the right positioning column, the workpiece to be measured is simultaneously observed and the measuring device is used for judging whether the inner diameter of the workpiece to be measured is changed, if the inner diameter is changed, the workpiece is proved to be unqualified, if the inner diameter is not changed, the workpiece is qualified, the use is simple, and the measurement is rapid.
The measuring device is a dial indicator 6, the dial indicator 6 body is arranged on the right positioning block 3, and the measuring head of the dial indicator 6 is always abutted against the left positioning block 2. The working principle of the dial indicator 6 is that the measuring rod caused by the measured dimension moves in a tiny straight line, and the measuring rod is amplified through gear transmission and changed into the rotation of a pointer on a dial, so that the measured dimension is read out, and the detection requirement can be met.
The left positioning block 2 and the right positioning block 3 between be equipped with the spring 81 mechanism 8 that makes both remain outwards struts trend all the time, left reference column 4 including set up the left dabber 41 on left positioning block 2 and the left cylinder 42 of the outside of locating left dabber 41 in the cover, right reference column 5 including set up the right dabber 51 on the right fixed block and the right cylinder 52 of locating the outside of right dabber 51 in the cover, left cylinder 42 can follow left dabber 41 circumference rotation, right cylinder 52 can follow right dabber 51 circumference rotation, the radius of left reference column 4 and right reference column 5 is 5-10cm.
The left positioning block 2 and the right positioning block 3 can always keep the outward opening trend by arranging the spring mechanism 8, and the side walls of the left positioning column 4 and the right positioning column 5 and the inner wall of the workpiece always keep close to each other during testing. The cylinder rotates along the circumferential direction of the mandrel, so that friction force can be reduced, larger abrasion to the inner circle of a workpiece is prevented, and the circle center connecting line of the left positioning column 4 and the right positioning column 5 penetrates through the circle center of the outer circle, namely, the circle center distances of the two positioning columns are equal and are always in the same straight line with the circle center of the outer circle.
The spring mechanism 8 comprises a spring 81, a blind hole 82 for placing the spring 81 is formed in the left positioning block 2, a through hole 83 is formed in the right positioning block 3, and a spring seat 84 for compressing the spring 81 is arranged in the through hole 83. The blind hole 82 is used for placing the spring 81, the through hole 83 is used for placing the spring seat 84, and the spring 81 seat is used for compressing the spring 81.
The side part of the right positioning block 3 is provided with an adjusting column 31 which is abutted against a spring seat 84, and the adjusting column 31 is in threaded connection with the right positioning block 3. The inner wall of the workpiece to be measured is respectively clung to the outer sides of the left positioning column 4 and the right positioning column 5 by adjusting the proper distance between the spring seat 84 and the spring 81 through the adjusting column 31, and an extension rod 32 is arranged between the spring seat 84 and the adjusting column 31. When the length of the adjustment post 31 is insufficient to satisfy the required length of the adjustment distance, the adjustment distance can be extended by providing the extension rod 32.
A guide mechanism 9 is arranged between at least one of the left positioning block 2 or the right positioning block 3 and the bottom plate 1. When a bad workpiece to be detected is rotated, the inner diameter of the workpiece to be detected is changed, the distance between the left positioning block 2 and the right positioning block 3 is possibly increased, the left positioning block 2 and the right positioning block 3 can horizontally move reversely on the bottom plate 1 under the reaction force of the spring mechanism 8, and the left positioning block 2 and the right positioning block 3 can be guided by the guide mechanism 9.
The guide mechanism 9 is a guide groove 91 arranged on the bottom plate 1 and a guide rail 92 arranged on the left positioning block 2 or the right positioning block 3. The left positioning block 2 and the right positioning block 3 are guided by the guide grooves 91 in cooperation with the guide rails 92.
Example 2
As shown in fig. 4, this embodiment has the same basic structure as embodiment 1, except that the measuring device is a distance sensor 7. The distance sensor 7 can sense the distance between the sensor and an object, and can meet the detection requirement.
The working principle of the invention is as follows: the inside of the outer circle of the workpiece to be tested is provided with an eccentric inner circle, the eccentric design of the inner circle is two cylinders with equal distance, the distance between the cylinders is kept unchanged, during inspection, the left positioning block 2 and the right positioning block 3 are abutted against the resistance of the spring mechanism 8, then the workpiece is sleeved between the left positioning column 4 and the right positioning column 5, the two side walls of the left positioning column 4 and the right positioning column 5 are clung to the inner wall of the inner circle due to the action of the spring 81, the distance between the positioning columns is fixed at the moment, the workpiece is manually rotated, if the eccentric inner circle is machined according to the design requirement, the distance between the left positioning column 4 and the right positioning column 5 is kept unchanged all the time, and the distance between the corresponding left positioning block 2 and the right positioning block 3 is unchanged, and the measuring device has no obvious change; if the eccentric inner circle processing does not meet the size requirement, the distance between the two positioning columns can be changed, and the change of the distance is reflected on the measuring device and displayed for the pointer rotation of the dial indicator 6 or the distance sensor 7.
According to the invention, the left positioning column 4 and the right positioning column 5 are designed on the two design circles of the inner circle by simulating the design requirement of the eccentric inner circle, and when the processing precision of the inner circle is checked, a workpiece is simply sleeved on the two positioning columns and then rotated, so that the device has the advantages of simple structure and convenience in checking; the distance between the two positioning columns can be changed according to the radius of the inner circle by arranging the spring mechanism 8; the detection device is used for observing the change of the radius of the inner circle to judge whether the inner circle meets the design requirement, and the method is simple and visual.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (9)
1. An eccentric inner curve profile gauge, which is characterized in that: the device comprises a bottom plate (1), wherein a left positioning block (2) and a right positioning block (3) capable of relatively moving are arranged on the bottom plate (1), a left positioning column is arranged on the left positioning block (2), a right positioning column (5) is arranged on the right positioning block (3), a gap is formed between the left positioning block (2) and the right positioning block (3), a measuring device capable of measuring the distance between the left positioning block (2) and the right positioning block (3) is arranged on the left positioning block (2) or the right positioning block (3), a workpiece to be measured can be sleeved on the outer sides of the left positioning column and the right positioning column, and the inner wall of the workpiece to be measured is tightly attached to the outer sides of the left positioning column and the right positioning column; the left positioning block (2) and the right positioning block (3) between be equipped with the spring mechanism (8) that makes both remain outwards struts the trend all the time, left reference column (4) including set up left dabber (41) on left positioning block (2) and cover locate left cylinder (42) in left dabber (41) outside, right reference column (5) including set up right dabber (51) on right fixed block and cover locate right cylinder (52) in right dabber (51) outside, left cylinder (42) can follow left dabber (41) circumference rotation, right cylinder (52) can follow right dabber (51) circumference rotation.
2. The eccentric inner curve profile gauge as in claim 1, wherein: the measuring device is a dial indicator (6), the dial indicator (6) body is arranged on the right positioning block (3), and the measuring head of the dial indicator (6) is always abutted to the left positioning block (2).
3. The eccentric inner curve profile gauge as in claim 1, wherein: the measuring device is a distance sensor (7).
4. The eccentric inner curve profile gauge as in claim 1, wherein: the spring mechanism (8) comprises a spring (81), a blind hole (82) for placing the spring (81) is formed in the left positioning block (2), a through hole (83) is formed in the right positioning block (3), and a spring seat (84) for compressing the spring (81) is arranged in the through hole (83).
5. The eccentric inner curve profile gauge as set forth in claim 4, wherein: the side part of the right positioning block (3) is provided with an adjusting column (31) which is propped against the spring seat (84), and the adjusting column (31) is in threaded connection with the right positioning block (3).
6. The eccentric inner curve profile gauge as in claim 5, wherein: an extension rod (32) is arranged between the spring seat (84) and the adjusting column (31).
7. The eccentric inner curve profile gauge as in claim 1, wherein: blind holes (82) are respectively formed in the positions, opposite to the left positioning block (2) and the right positioning block (3), of the left positioning block, and a jacking spring is arranged in each blind hole (82).
8. An eccentric inner curve profile gauge as in claim 1, 2 or 3, wherein: a guide mechanism (9) is arranged between at least one of the left positioning block (2) or the right positioning block (3) and the bottom plate (1).
9. The eccentric inner curve profile gauge as in claim 8, wherein: the guide mechanism (9) is a guide groove (91) arranged on the bottom plate (1) and a guide rail (92) arranged on the left positioning block (2) or the right positioning block (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010750069.1A CN112665490B (en) | 2020-07-30 | 2020-07-30 | Eccentric inner curve profile gauge |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010750069.1A CN112665490B (en) | 2020-07-30 | 2020-07-30 | Eccentric inner curve profile gauge |
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| CN112665490A CN112665490A (en) | 2021-04-16 |
| CN112665490B true CN112665490B (en) | 2023-08-15 |
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| CN202010750069.1A Active CN112665490B (en) | 2020-07-30 | 2020-07-30 | Eccentric inner curve profile gauge |
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| GB110352A (en) * | 1916-10-07 | 1918-03-21 | Carl Edvard Johansson | Indicating Devices for Dimension-measuring Apparatus and Measuring Tools. |
| DE3521710A1 (en) * | 1984-07-03 | 1986-01-09 | Schaudt Maschinenbau Gmbh, 7000 Stuttgart | Device on a machine tool, in particular on a grinding machine, for measuring the diameter of eccentrically revolving workpieces |
| CN200968845Y (en) * | 2006-10-31 | 2007-10-31 | 长安汽车（集团）有限责任公司 | Device for measuring distance between rotary part eccentric hole and excircle |
| CN201514178U (en) * | 2009-09-18 | 2010-06-23 | 江苏太平洋精锻科技股份有限公司 | Axial position checking tool for lock-up angle combined with gear |
| CN203731992U (en) * | 2014-03-10 | 2014-07-23 | 上海长锐汽车零部件有限公司 | Universal joint internal star-wheel ball groove radius difference measuring tool |
| CN204854599U (en) * | 2015-05-25 | 2015-12-09 | 自贡市川力实业有限公司 | Offset measuring apparatu |
| CN206208521U (en) * | 2016-11-30 | 2017-05-31 | 浙江中马传动股份有限公司 | Gear engages cubing |
| EP3276310A1 (en) * | 2016-07-27 | 2018-01-31 | Dr. Johannes Heidenhain GmbH | Length measuring device |
| CN208952860U (en) * | 2018-09-19 | 2019-06-07 | 西安昆仑工业（集团）有限责任公司 | A kind of blind via bottom fit-up gap detection device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444644A (en) * | 2014-08-29 | 2016-03-30 | 富泰华工业（深圳）有限公司 | Detecting device |
-
2020
- 2020-07-30 CN CN202010750069.1A patent/CN112665490B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB110352A (en) * | 1916-10-07 | 1918-03-21 | Carl Edvard Johansson | Indicating Devices for Dimension-measuring Apparatus and Measuring Tools. |
| DE3521710A1 (en) * | 1984-07-03 | 1986-01-09 | Schaudt Maschinenbau Gmbh, 7000 Stuttgart | Device on a machine tool, in particular on a grinding machine, for measuring the diameter of eccentrically revolving workpieces |
| CN200968845Y (en) * | 2006-10-31 | 2007-10-31 | 长安汽车（集团）有限责任公司 | Device for measuring distance between rotary part eccentric hole and excircle |
| CN201514178U (en) * | 2009-09-18 | 2010-06-23 | 江苏太平洋精锻科技股份有限公司 | Axial position checking tool for lock-up angle combined with gear |
| CN203731992U (en) * | 2014-03-10 | 2014-07-23 | 上海长锐汽车零部件有限公司 | Universal joint internal star-wheel ball groove radius difference measuring tool |
| CN204854599U (en) * | 2015-05-25 | 2015-12-09 | 自贡市川力实业有限公司 | Offset measuring apparatu |
| EP3276310A1 (en) * | 2016-07-27 | 2018-01-31 | Dr. Johannes Heidenhain GmbH | Length measuring device |
| CN206208521U (en) * | 2016-11-30 | 2017-05-31 | 浙江中马传动股份有限公司 | Gear engages cubing |
| CN208952860U (en) * | 2018-09-19 | 2019-06-07 | 西安昆仑工业（集团）有限责任公司 | A kind of blind via bottom fit-up gap detection device |
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| CN112665490A (en) | 2021-04-16 |
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