CN210981095U - Online wall thickness detection tool for special-shaped ring part - Google Patents
Online wall thickness detection tool for special-shaped ring part Download PDFInfo
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- CN210981095U CN210981095U CN201922330898.XU CN201922330898U CN210981095U CN 210981095 U CN210981095 U CN 210981095U CN 201922330898 U CN201922330898 U CN 201922330898U CN 210981095 U CN210981095 U CN 210981095U
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- 238000001514 detection method Methods 0.000 title claims abstract description 56
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 5
- 238000005259 measurement Methods 0.000 abstract description 10
- 238000012360 testing method Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000012549 training Methods 0.000 abstract description 2
- 206010066054 Dysmorphism Diseases 0.000 description 9
- 238000009434 installation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The utility model discloses an online wall thickness detection tool for a special-shaped ring part, which comprises a detection flat plate, a fixed block, a positioning block and a movable positioning block component; the two dial gauges comprise an outer circle gauge and an inner hole gauge; the fixed block comprises an outer circle gauge fixed block and an inner hole gauge fixed block; the positioning block comprises a left positioning block and a right positioning block. The utility model has simple structure, convenient measurement and easy realization; the thickness of the special-shaped ring can be measured quickly, the online test is quick and accurate, the measurement time is saved, and the production efficiency is improved; the special-shaped ring can be suitable for special-shaped ring parts with different sizes, and the application range is wide; the system can meet the requirement of online batch detection, has low requirement on the operating skills of the staff and is convenient for training.
Description
Technical Field
The utility model relates to a measure frock technical field, especially relate to dysmorphism ring part online wall thickness detection frock.
Background
The ring part is used as a general mechanical part and has wide application. However, due to the requirements of function and structural design, the wall thickness of the ring part is applied to a processing drawing as a measured dimension. The wall thickness of the processed ring part is measured one by one to be qualified, and then the ring part can be used in the next procedure or directly used as a product for sale.
In the prior art, the wall thickness of a ring-shaped part with regular inner and outer circular surfaces can be measured on line through a wall thickness micrometer, but for a special-shaped ring part with a height difference between the inner part and the outer part, the wall thickness micrometer cannot realize the measurement of the wall thickness on line.
As shown in fig. 4, in order to measure the wall thickness of a special-shaped ring part, there is a deviation between the measured surfaces of the inner and outer circles of the special-shaped ring part in the axial direction, and a wall thickness micrometer cannot be used for rapid measurement during online measurement. Therefore, a detection tool capable of rapidly measuring the special-shaped ring part on line is needed, and the measurement efficiency of the part is ensured.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming current technical problem, providing dysmorphism ring part on-line wall thickness detection frock.
In order to achieve the purpose, the utility model is implemented according to the following technical scheme:
the detection tool is used for measuring the wall thickness of the special-shaped ring; the special-shaped ring is of an integrated structure; an inner convex ring is arranged at the upper end of the inner side of the special-shaped ring, and an outer convex ring is arranged at the outer side of the special-shaped ring; the thickness between the outer side wall of the outer convex ring and the inner side wall of the inner convex ring is the wall thickness of the special-shaped ring; the distance from the upper end surface of the outer convex ring to the bottom surface of the special-shaped ring is a; the distance from the upper end surface of the inner convex ring to the bottom surface of the special-shaped ring is b; the distance from the lower end surface of the inner convex ring to the bottom surface of the special-shaped ring is c; the detection tool comprises two dial indicators;
the detection tool further comprises a detection flat plate, a fixed block and a positioning block; the two dial gauges comprise an outer circle gauge and an inner hole gauge; the excircle meter is provided with a sleeve A and a measuring rod A; the inner hole scale is provided with a sleeve B and a measuring rod B; the fixed blocks comprise an outer circle gauge fixed block and an inner hole gauge fixed block; the positioning block comprises a left positioning block and a right positioning block;
the excircle scale fixing block is provided with a through hole A and a screw hole A; the screw hole A is vertical to the through hole A; the inner hole gauge fixing block is provided with a through hole B and a screw hole B; the screw hole B is vertical to the through hole B; the inner diameter of the through hole A is matched with the outer diameter of the sleeve A; the inner diameter of the through hole B is matched with the outer diameter of the sleeve B; the screw holes A and B are internally provided with a compression screw;
the outer circle scale fixing block and the inner hole scale fixing block are fixed on the detection flat plate through screws; the inner hole gauge fixing block is positioned below the outer circle gauge fixing block; the projection of the central line of the through hole A on the detection flat plate and the projection of the central line of the through hole B on the detection flat plate are on the same straight line;
the outer circumference gauge is fixedly arranged in the outer circumference gauge fixing block through a compression screw; the inner hole gauge is fixedly arranged in the inner hole gauge fixing block through a compression screw; the distance between the end part of the measuring rod A and the detection flat plate is less than a; the distance between the end part of the measuring rod B and the detection flat plate is larger than c and smaller than B;
the left positioning block and the right positioning block are symmetrically fixed on the left side and the right side of the measuring rod A by taking the central line of the through hole A as a symmetry axis.
Preferably, the left positioning block and the right positioning block are both obliquely pointed to the center of the detection flat plate; the included angle between the central line of the left positioning block and the central line of the right positioning block is 90-120 degrees.
Preferably, both ends of the left positioning block and the right positioning block are arc-shaped.
Preferably, the detection tool further comprises a movable positioning block assembly; the movable positioning block assembly comprises a movable positioning block, a positioning push rod and a spring;
a plurality of mounting holes are formed below the detection flat plate; the movable positioning block is fixedly arranged in a mounting hole at the lower part of the detection flat plate through a screw; a through hole C is arranged in the movable positioning block; the projection of the central line of the through hole C on the detection flat plate and the projection of the central line of the through hole A on the detection flat plate are on the same straight line;
the positioning push rod comprises a positioning plate, a push rod and a plug; the push rod is matched with the through hole C; the positioning plate is fixedly arranged at the head of the push rod, and the plug is in threaded connection with the tail of the push rod; the positioning push rod is inserted into the through hole C, and a spring is sleeved outside the push rod between the positioning plate and the movable positioning block.
Preferably, the movable positioning block assembly further comprises a positioning pin; grooves are formed in the left side and the right side of the push rod; the left side and the right side of the through hole C are provided with bulges matched with the grooves; the upper end surface of the push rod is provided with a plurality of pin holes; the pin hole is matched with the positioning pin.
Preferably, the positioning plate is a rectangular plate; a polytetrafluoroethylene plate with the same size as the positioning plate is fixedly adhered outside the positioning plate.
The utility model discloses an action principle:
the utility model discloses the online wall thickness of mainly used dysmorphism ring part detects, and main measuring step is as follows:
(1) calibrating, namely randomly selecting a special-shaped ring as a standard part, measuring the wall thickness of the standard part by using a vernier caliper or other tools, recording and marking the measuring position of the standard part; placing the standard component on the flat plate in a mode that the inner convex ring is arranged on the flat plate, enabling the outer side of the outer convex ring to prop against the left positioning block and the right positioning block, and enabling the end parts of the measuring rod A and the measuring rod B to be aligned to the measuring positions; and (5) zeroing the outer circle scale and the inner hole scale to finish calibration. (the calibration piece can also be specially manufactured to meet the standard for calibration, and one part can be selected as the standard piece at will, and is selected according to the use requirement here.)
(2) Measuring, namely placing the special-shaped ring to be measured on a flat plate in a mode that an inner convex ring is arranged on the special-shaped ring, enabling the outer side of the outer convex ring to prop against a left positioning block and a right positioning block, then propping against the outer side of the outer convex ring by a measuring rod A, propping against the inner side of the inner convex ring by a measuring rod B, and recording outer circle scale data x and inner hole scale data y; the sum of the data x and the data y is the difference value between the special-shaped ring to be detected and the standard part, and the sum of the wall thickness value of the standard part and the difference value is the wall thickness of the current position of the special-shaped ring to be detected.
The wall thickness difference of the measured special-shaped ring can be judged through the change values of the excircle meter and the inner hole meter when the measured special-shaped ring rotates for a circle.
The utility model provides an excircle scale, hole scale are the amesdial commonly used among the prior art, can select the kind of amesdial as required. The dial gauge has the following reading process that the sight line is perpendicular to the dial plate, the initial and final positions of the revolution pointer and the main pointer in the measuring process are read from the front surface of the dial plate, the initial position reading is subtracted from the final position reading, the measured value can be obtained, and therefore the numerical value is positive or negative. This step is prior art and is briefly described here.
The utility model discloses the thickness that measures the dysmorphism ring that can be quick, online test is quick accurate, has practiced thrift measuring time, has improved production efficiency. The utility model discloses can be applicable to all this kind of dysmorphism ring parts similar with the dysmorphism ring, the range of application is extensive.
The locating piece plays spacing effect, and stable and restriction to await measuring the position of dysmorphism ring in the test process, improves the accuracy of data, and the arc terminal surface of locating piece contacts with the dysmorphism ring outside more easily, ensures that data is accurate. The positions of the outer circumference gauge and the inner hole gauge can be changed by changing the positions of the corresponding outer circumference gauge fixing block and the inner hole gauge fixing block, and the special-shaped ring can adapt to special-shaped ring parts with more sizes. Locating piece, excircle scale fixed block, hole scale fixed block all use the fix with screw on measuring the flat board, belong to detachable construction, can come to adjust the position according to the user demand of reality.
The utility model discloses a movable positioning block subassembly for the measuring position of dysmorphism ring is more accurate. The movable positioning block assembly, the left positioning block, the right positioning block and the contact point of the special-shaped ring just enclose a triangle, the special-shaped ring can be stably clamped, the special-shaped ring does not need to be manually jacked at the moment, the operation is more convenient, and the data is more accurate. And the movable positioning block assembly is provided with a spring, so that the positioning push rod is convenient to adjust in the rotation measurement process of the special-shaped ring, the plug can be loosened by manually pulling the plug, the rotation of the special-shaped ring cannot be hindered, and the positioning push rod can be loosened again when the wall thickness of a certain position is measured.
The plug at the tail of the positioning push rod facilitates the positioning push rod to be detached from the movable positioning block, and a spring or positioning push rods with different lengths can be replaced conveniently. The bulges at the left side and the right side of the push rod play a role in guiding, and the push rod is prevented from rotating in the through hole C. The polytetrafluoroethylene plate is arranged on the positioning plate, is wear-resistant and cannot damage the outer surface of the part.
The utility model has the advantages that:
the utility model has simple structure, convenient measurement and easy realization; the thickness of the special-shaped ring can be measured quickly, the online test is quick and accurate, the measurement time is saved, and the production efficiency is improved; the special-shaped ring can be suitable for special-shaped ring parts with different sizes, and the application range is wide; the system can meet the requirement of online batch detection, has low requirement on the operating skills of the staff and is convenient for training.
Drawings
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a partial cross-sectional view taken along line E-E of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2F;
fig. 4 is a schematic structural view of the special-shaped ring of the present invention;
FIG. 5 is a schematic structural view of example 2;
FIG. 6 is a partial cross-sectional view taken along line G-G of FIG. 5;
FIG. 7 is a partial cross-sectional view taken along line H-H of FIG. 5;
fig. 8 is a schematic view of the use of the positioning pin of example 2.
In the figure: 1. an inner collar; 2. an outer convex ring; 3. detecting the flat plate; 4. measuring the excircle; 5. measuring an inner hole; 6. a sleeve A; 7. a measuring rod A; 8. a sleeve B; 9. a measuring rod B; 10. the excircle scales and fixes the block; 11. an inner hole gauge fixing block; 12. a left locating block; 13. a right positioning block; 14. a through hole A; 15. a screw hole A; 16. a through hole B; 17. a screw hole B; 18. a profiled ring; 19. a movable positioning block; 20. a spring; 21. positioning pins; 22. mounting holes; 23. a through hole C; 24. positioning a plate; 25. a push rod; 26. a plug; 27. a groove; 28. a protrusion; 29. a pin hole; 30. a polytetrafluoroethylene sheet.
Detailed Description
The invention will be further described with reference to the drawings and specific embodiments, illustrative embodiments and description of which are provided herein to explain the invention, but not as a limitation thereof.
Example 1
As shown in fig. 1 to 4, the tool for detecting the wall thickness of the special-shaped ring part is used for measuring the wall thickness of the special-shaped ring 18. The special-shaped ring 18 is of an integrated structure; the inner convex ring 1 is arranged at the upper end of the inner side of the special-shaped ring 18, and the outer side of the special-shaped ring 18 is provided with the outer convex ring 2; the thickness between the outer side wall of the outer convex ring 2 and the inner side wall of the inner convex ring 1 is the wall thickness of the special-shaped ring 18; the distance from the upper end surface of the outer convex ring 2 to the bottom surface of the special-shaped ring 18 is a; the distance from the upper end surface of the inner convex ring 1 to the bottom surface of the special-shaped ring 18 is b; the distance from the lower end surface of the inner convex ring 1 to the bottom surface of the special-shaped ring is c.
The detection tool comprises two dial indicators, a detection flat plate 3, a fixed block and a positioning block. The two dial gauges comprise an outer circle gauge 4 and an inner hole gauge 6; the excircle scale 4 is provided with a sleeve A6 and a measuring rod A7; the inner bore scale 5 is provided with a sleeve B8 and a measuring rod B9. The fixed blocks comprise an outer circle gauge fixed block 10 and an inner hole gauge fixed block 11; the positioning blocks comprise a left positioning block 12 and a right positioning block 13.
The excircle scale fixing block 10 is provided with a through hole A14 and a screw hole A; the screw hole A15 is vertical to the through hole A14; the inner hole gauge fixing block 11 is provided with a through hole B16 and a screw hole B17; the screw hole B17 is vertical to the through hole B16; the inner diameter of the through hole A14 is matched with the outer diameter of the sleeve A6; the inner diameter of the through hole B16 is matched with the outer diameter of the sleeve B8; the screw holes A15 and B17 are provided with compression screws.
The outer circle scale fixing block 10 and the inner hole scale fixing block 11 are fixed on the detection flat plate 3 through screws; the inner hole gauge fixing block 11 is positioned below the outer circle gauge fixing block 10; the projection of the central line of the through hole A14 on the detection panel 3 is on the same straight line with the projection of the central line of the through hole B16 on the detection panel 3.
The outer circumference gauge 4 is fixedly arranged in the outer circumference gauge fixing block 10 through a compression screw; the inner hole scale 5 is fixedly arranged in the inner hole scale fixing block 11 through a compression screw; the distance between the end of the measuring rod A7 and the detection flat plate 3 is less than a; the distance between the end of the measuring bar B9 and the detection plate 3 is greater than c and less than B.
Both ends of the left positioning block 12 and the right positioning block 13 are arc-shaped; the left positioning block 12 and the right positioning block 13 are symmetrically fixed on the left side and the right side of the measuring rod A7 by taking the center line of the through hole A14 as a symmetry axis. The left positioning block 12 and the right positioning block 13 both point to the center of the detection flat plate 3 in an inclined manner; the included angle between the central line of the left positioning block 12 and the central line of the right positioning block 13 is 90 degrees.
Example 2
As shown in fig. 5 to 7, in this embodiment, on the structure of the detection tool in embodiment 1, a movable positioning block assembly is further included; the movable positioning block assembly comprises a movable positioning block 19, a positioning push rod, a spring 20 and a positioning pin 21.
Four groups of eight mounting holes 22 are arranged below the detection flat plate 3, and every two mounting holes 22 are arranged in a row; the movable positioning block 19 is fixedly installed in the installation holes 22 of the lowest row through screws. A through hole C23 is arranged in the movable positioning block; the projection of the central line of the through hole C23 on the detection panel 3 is on the same straight line with the projection of the central line of the through hole A14 on the detection panel 3.
The positioning push rod comprises a positioning plate 24, a push rod 25 and a plug 26. The push rod 25 is matched with the through hole C23; grooves 27 are formed in the left side and the right side of the push rod 25; the left side and the right side of the through hole C23 are both provided with protrusions 28 matched with the grooves 27; the upper end surface of the push rod 25 is provided with seven pin holes 29; the pin hole 29 is fitted with the positioning pin 21.
The positioning plate 24 is a rectangular plate; a polytetrafluoroethylene plate 30 with the same size as the positioning plate 24 is fixedly adhered outside the positioning plate 24. The positioning plate 24 is fixedly arranged at the head of the push rod 25, and the plug 26 is in threaded connection with the tail of the push rod 25; the positioning push rod is inserted into the through hole C23, and the spring 20 is sleeved outside the push rod 25 between the positioning plate 24 and the movable positioning block 19.
As shown in fig. 8, a schematic view of the use of the locating pin is shown. The positioning plate 24 is pushed towards the direction of the movable positioning block 19, the positioning pin 21 is inserted into the pin hole 29, the position of the whole positioning push rod can be kept, the positioning plate 24 is prevented from contacting the special-shaped ring 18, and a certain distance is kept between the positioning plate 24 and the special-shaped ring 18; the profiled ring 18 is then conveniently removed or lowered and the calibration step is conveniently carried out.
The figure is also provided with a dotted line ring, the dotted line ring represents a special-shaped ring with a smaller outer diameter, when the special-shaped ring with a smaller outer diameter is measured, the position change of the outer circle gauge and the inner hole gauge is not large, but the position change of the lower movable positioning block assembly is large, at the moment, the installation position of the movable positioning block can be selected to move upwards according to needs, and a positioning push rod with a longer length can also be selected to be replaced, so that the special-shaped ring with a smaller outer diameter can be selected according to actual measurement needs. The spring on the positioning push rod can also be selected according to the use requirement, and the elastic force of the spring is selected by the person skilled in the art, and will not be described in detail here.
The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.
Claims (6)
1. The detection tool is used for measuring the wall thickness of the special-shaped ring; the special-shaped ring is of an integrated structure; an inner convex ring is arranged at the upper end of the inner side of the special-shaped ring, and an outer convex ring is arranged at the outer side of the special-shaped ring; the thickness between the outer side wall of the outer convex ring and the inner side wall of the inner convex ring is the wall thickness of the special-shaped ring; the distance from the upper end surface of the outer convex ring to the bottom surface of the special-shaped ring is a; the distance from the upper end surface of the inner convex ring to the bottom surface of the special-shaped ring is b; the distance from the lower end surface of the inner convex ring to the bottom surface of the special-shaped ring is c; the detection tool comprises two dial indicators; the method is characterized in that:
the detection tool further comprises a detection flat plate, a fixed block and a positioning block; the two dial gauges comprise an outer circle gauge and an inner hole gauge; the excircle meter is provided with a sleeve A and a measuring rod A; the inner hole scale is provided with a sleeve B and a measuring rod B; the fixed blocks comprise an outer circle gauge fixed block and an inner hole gauge fixed block; the positioning block comprises a left positioning block and a right positioning block;
the excircle scale fixing block is provided with a through hole A and a screw hole A; the screw hole A is vertical to the through hole A; the inner hole gauge fixing block is provided with a through hole B and a screw hole B; the screw hole B is vertical to the through hole B; the inner diameter of the through hole A is matched with the outer diameter of the sleeve A; the inner diameter of the through hole B is matched with the outer diameter of the sleeve B; the screw holes A and B are internally provided with a compression screw;
the outer circle scale fixing block and the inner hole scale fixing block are fixed on the detection flat plate through screws; the inner hole gauge fixing block is positioned below the outer circle gauge fixing block; the projection of the central line of the through hole A on the detection flat plate and the projection of the central line of the through hole B on the detection flat plate are on the same straight line;
the outer circumference gauge is fixedly arranged in the outer circumference gauge fixing block through a compression screw; the inner hole gauge is fixedly arranged in the inner hole gauge fixing block through a compression screw; the distance between the end part of the measuring rod A and the detection flat plate is less than a; the distance between the end part of the measuring rod B and the detection flat plate is larger than c and smaller than B;
the left positioning block and the right positioning block are symmetrically fixed on the left side and the right side of the measuring rod A by taking the central line of the through hole A as a symmetry axis.
2. The online wall thickness detection tool for the special-shaped ring part according to claim 1, characterized in that: the left positioning block and the right positioning block are obliquely directed to the center of the detection flat plate; the included angle between the central line of the left positioning block and the central line of the right positioning block is 90-120 degrees.
3. The online wall thickness detection tool for the special-shaped ring part according to claim 2, characterized in that: both ends of the left positioning block and the right positioning block are arc-shaped.
4. The online wall thickness detection tool for the special-shaped ring part according to claim 1, characterized in that: the detection tool further comprises a movable positioning block assembly; the movable positioning block assembly comprises a movable positioning block, a positioning push rod and a spring;
a plurality of mounting holes are formed below the detection flat plate; the movable positioning block is fixedly arranged in a mounting hole at the lower part of the detection flat plate through a screw; a through hole C is arranged in the movable positioning block; the projection of the central line of the through hole C on the detection flat plate and the projection of the central line of the through hole A on the detection flat plate are on the same straight line;
the positioning push rod comprises a positioning plate, a push rod and a plug; the push rod is matched with the through hole C; the positioning plate is fixedly arranged at the head of the push rod, and the plug is in threaded connection with the tail of the push rod; the positioning push rod is inserted into the through hole C, and a spring is sleeved outside the push rod between the positioning plate and the movable positioning block.
5. The online wall thickness detection tool for the special-shaped ring part according to claim 4, characterized in that: the movable positioning block assembly also comprises a positioning pin; grooves are formed in the left side and the right side of the push rod; the left side and the right side of the through hole C are provided with bulges matched with the grooves; the upper end surface of the push rod is provided with a plurality of pin holes; the pin hole is matched with the positioning pin.
6. The online wall thickness detection tool for the special-shaped ring part according to claim 4, characterized in that: the positioning plate is a rectangular plate; a polytetrafluoroethylene plate with the same size as the positioning plate is fixedly adhered outside the positioning plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922330898.XU CN210981095U (en) | 2019-12-23 | 2019-12-23 | Online wall thickness detection tool for special-shaped ring part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922330898.XU CN210981095U (en) | 2019-12-23 | 2019-12-23 | Online wall thickness detection tool for special-shaped ring part |
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| Publication Number | Publication Date |
|---|---|
| CN210981095U true CN210981095U (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922330898.XU Expired - Fee Related CN210981095U (en) | 2019-12-23 | 2019-12-23 | Online wall thickness detection tool for special-shaped ring part |
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| CN (1) | CN210981095U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112066846A (en) * | 2020-08-25 | 2020-12-11 | 西安近代化学研究所 | Device and method for acquiring parameters of warhead shell |
-
2019
- 2019-12-23 CN CN201922330898.XU patent/CN210981095U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112066846A (en) * | 2020-08-25 | 2020-12-11 | 西安近代化学研究所 | Device and method for acquiring parameters of warhead shell |
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Granted publication date: 20200710 |