CN109883281B - Conical internal tooth gauge and conical internal tooth part with same - Google Patents
Conical internal tooth gauge and conical internal tooth part with same Download PDFInfo
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- CN109883281B CN109883281B CN201910175636.2A CN201910175636A CN109883281B CN 109883281 B CN109883281 B CN 109883281B CN 201910175636 A CN201910175636 A CN 201910175636A CN 109883281 B CN109883281 B CN 109883281B
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- 238000001514 detection method Methods 0.000 claims abstract description 49
- 210000003781 tooth socket Anatomy 0.000 claims abstract description 12
- 230000007423 decrease Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 abstract description 12
- 238000005259 measurement Methods 0.000 description 10
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention discloses a conical internal tooth detection tool and a conical internal tooth part with the same, which are used for detecting the diameter of a reference circle on the height to be detected of conical internal teeth, and comprise the following components: the needle gauge is in a detection state, when the needle gauge is in the detection state, the needle gauge is tangent to the tooth socket surface of the conical internal tooth, and the tangent point is positioned on the dividing circle of the conical internal tooth; the measuring block comprises a first end face and a second end face, the diameter of the measuring block gradually decreases from the first end face to the second end face, and the first end face and the needle gauge are circumscribed on the height to be measured, and the measuring block relates to the technical field of part size detection. The conical internal tooth gauge provided by the invention adopts the needle gauge matched with the conical tooth reference circle and is matched with the measuring block, so that the reference circle diameter of a specific height which is difficult to detect is converted into the height detection of the measuring block, the measuring method is simple and convenient, few in measuring steps and strong in adaptability, and the detection speed of the conical internal tooth is greatly improved.
Description
Technical Field
The invention relates to the technical field of part size detection, in particular to a conical internal tooth detection tool and a conical internal tooth part with the detection tool.
Background
The conical teeth can be quickly and conveniently installed with corresponding parts, the conical teeth can be widely applied to the fields of daily life and industrial production, the conical teeth can be divided into conical inner teeth and conical outer teeth according to the structural characteristics of the conical teeth, and in certain occasions needing higher precision, strict requirements are met on the size of the reference circle of the conical teeth at a specific height, so that the machined size of the reference circle of the conical teeth is required to be detected, currently, the needle gauge is generally adopted internationally to match with three-coordinate detection, the principle is that three-coordinate point taking is utilized to find an inscribed circle at the specific height, at the moment, on the section of the specific height, the needle gauge is tangent to the tooth socket surface, and the tangent point is positioned on the reference circle of the conical teeth, a plurality of points on the reference circle of the conical teeth are required to be repeatedly measured, the circle centers of the circumscribed circles of the conical teeth are difficult to judge, the diameter of the reference circle is calculated, the measuring process is complex, the measuring time is long, and the conical teeth cannot be well adapted to detection.
Disclosure of Invention
The invention aims to overcome the defects of the background technology and provides a gauge which can adapt to the detection of conical internal teeth and rapidly and accurately finish the size detection of the reference circle of the conical internal teeth.
The invention provides a conical internal tooth detection tool, which is used for detecting the reference circle diameter on the height to be detected of conical internal teeth, and comprises the following components:
the needle gauge is in a detection state, when the needle gauge is in the detection state, the needle gauge is tangent to the tooth socket surface of the conical internal tooth, and the tangent point is positioned on the dividing circle of the conical internal tooth;
the measuring block comprises a first end face and a second end face, the diameter of the measuring block gradually decreases from the first end face to the second end face, and the first end face and the needle gauge are circumscribed on the height to be measured.
The conical internal tooth gauge comprises a plurality of measuring blocks, and first end faces of the measuring blocks are respectively circumscribed with the needle gauge at different heights to be measured.
The measuring block is in a truncated cone shape, and the taper of the measuring block is the same as that of the conical internal teeth.
When the needle gauge is in a detection state, the inclination angle of the needle gauge is the same as the taper angle of the conical internal teeth.
The conical internal tooth gauge further comprises a base, and the needle gauge is fixedly arranged on the upper surface of the base.
The invention also provides a conical internal tooth part with the checking fixture, which comprises:
the part comprises a part body, wherein the part body comprises a central hole, the central hole is provided with a taper, and a circle of tapered internal teeth are arranged on the inner wall of the central hole;
the conical internal tooth gauge as described above.
The distance between the first end face and the second end face of the measuring block is not greater than the distance between the height to be measured on the part body and the bottom face of the part body.
The conical internal tooth part with the gauge further comprises a base, the needle gauge is fixedly arranged on the upper surface of the base, and the diameter of the base is larger than the maximum diameter of the central hole.
Compared with the prior art, the invention has the following advantages:
the conical internal tooth gauge adopts the needle gauge attached to the adjacent conical internal teeth, the needle gauge is attached to the conical internal teeth by utilizing the self gravity of the measuring block, during detection, three needle gauges are placed in three tooth sockets which are spaced 120 degrees apart on the circumference, then the measuring block is placed, the difference between the height of the first end face of the measuring block and the height value of the surface of the conical internal teeth and the set value is compared, and the actual size of a needle gauge circumcircle can be detected by establishing a reference table of the height value and the reference circle placement needle gauge. The technology of the invention converts the diameter of the cone-shaped internal tooth reference circle with a specific height which is difficult to measure into the height measurement of the measurement block, improves the precision by about 10 times, is simple and convenient, has few measurement steps and strong adaptability, greatly improves the detection speed of the cone-shaped internal tooth, and improves the detection efficiency by more than about 30 times.
Drawings
FIG. 1 is a schematic view of a conical internal tooth gauge according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of a part body according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a conical internal tooth part with a gauge according to a first embodiment of the present invention;
fig. 4 is a schematic structural view of a conical internal tooth part with a gauge according to a second embodiment of the present invention;
fig. 5 is a schematic diagram of a detection principle of the conical internal tooth gauge according to the embodiment of the invention.
Reference numerals: 1-needle gauge, 2-measuring block and 3-part body.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings and specific examples.
Example 1
Referring to fig. 1 to 5, an embodiment of the present invention provides a conical internal tooth detection tool for detecting a pitch diameter at a height to be detected of conical internal tooth, including:
at least three needle gauges 1, wherein the needle gauges 1 have a detection state, when the needle gauges 1 are in the detection state, the needle gauges 1 are tangent to the tooth socket surfaces of the conical internal teeth, and the tangent points are positioned on the dividing circle of the conical internal teeth;
the measuring block 2 comprises a first end face and a second end face, the diameter of the measuring block 2 gradually decreases from the first end face to the second end face, and the first end face and the needle gauge 1 are circumscribed on the height to be measured.
The conical internal tooth gauge comprises a needle gauge 1 tangential to the tooth socket surface of the conical internal tooth and with a tangent point positioned on a dividing circle of the conical internal tooth, and a measuring block 2 circumscribed with the needle gauge 1, wherein in the height to be measured, a first end face is matched with the measuring block 2 circumscribed with the needle gauge 1, in the detection process, the needle gauge 1 is inserted between tooth sockets of the conical internal tooth to enter a detection state, then the measuring block 2 is placed between a plurality of needle gauges 1 to enable the needle gauge to freely fall down and tightly press the needle gauge, and because in the height to be measured, the first end face of the measuring block 2 circumscribes with the needle gauge 1, when the measuring block 2 is completely clamped and cannot fall down again, the diameter of the dividing circle at the height is equal to the diameter of a standard size, then the difference between the height value and a set value is compared, and the actual size of the circumscribed circle of the needle gauge 1 is detected by establishing a height value and a dividing circle placement needle gauge comparison table. The technology of the invention converts the diameter of the cone-shaped internal tooth reference circle with a specific height which is difficult to measure into the height measurement of the measurement block 2, the precision is improved by about 10 times, the method is simple and convenient, the measurement steps are few, the adaptability is strong, the detection speed of the cone-shaped internal tooth is greatly improved, and the detection efficiency is improved by about 30 times.
In this embodiment, preferably, the conical internal tooth gauge includes a plurality of measuring blocks 2, and first end surfaces of the plurality of measuring blocks 2 are respectively circumscribed with the needle gauge 1 at different heights to be measured; through setting up a plurality of measuring blocks 2, the first terminal surface of every measuring block 2 is respectively with needle gauge 1 circumscribed mutually on the different heights that await measuring, when measuring different height reference circle diameters that await measuring respectively, can also measure and calculate the tapering value of toper internal tooth simultaneously, and two purposes have further improved detection efficiency.
In this embodiment, preferably, the measuring block 2 is in a shape of a circular truncated cone, the taper of the measuring block 2 is the same as that of the tapered internal teeth, and it is to be noted that, in the process of processing and manufacturing the tapered internal teeth, the taper value is a dimension which is easy to ensure, and the error is generally very small, where the taper of the measuring block 2 is the same as the standard taper of the tapered internal teeth, so that the measuring block 2 is convenient to process, and in the measuring process, the measuring block 2 can be tightly attached to the tapered internal teeth in the height direction, so that the first end face of the measuring block 2 is kept in a horizontal state, and is unlikely to incline, and the detection result is more accurate; further, when the needle gauge 1 is in a detection state, the inclined angle of the needle gauge 1 is the same as the taper of the conical internal teeth, so that the needle gauge 1 is smoother when inserted between tooth grooves of the conical internal teeth, the degree of fit with the conical internal teeth is higher, and the detection accuracy is improved to a certain extent.
The embodiment of the invention also provides a conical internal tooth part with the checking fixture, which comprises:
the part comprises a part body 3, wherein the part body 3 comprises a central hole, the central hole is provided with a taper, and a circle of tapered internal teeth are arranged on the inner wall of the central hole;
the conical internal tooth gauge as described above.
The needle gauge 1 is tangent to the tooth socket surface of the central Kong Nazhui-shaped internal tooth, the tangent point is positioned on the pitch circle of the conical internal tooth, the first end face of the measuring block 2 is circumscribed with the needle gauge 1 on the height to be measured, the measuring block 2 is placed between a plurality of needle gauges 1 to enable the needle gauges to fall freely and compact, when the measuring block 2 is completely clamped and cannot fall again, the pitch circle diameter at the height is equal to the standard size diameter, then the height value from the first end face of the measuring block 2 to the surface of the conical internal tooth is measured, the difference between the height value and a set value is compared, the actual size of the circumcircle of the needle gauge 1 is checked by establishing a height value and pitch circle placement needle gauge comparison table, and the detection of the conical internal tooth of the part body 3 can be completed.
In this embodiment, preferably, the distance between the first end face and the second end face of the measuring block 2 is not greater than the distance between the height to be measured on the part body 3 and the bottom face of the part body 3; namely, the second end face of the measuring block 2 does not protrude from the bottom face of the part body 3, so that the part body 3 is placed during detection conveniently, and the height value from the first end face of the measuring block 2 to the conical inner tooth surface is measured, so that the accuracy of detection is further improved.
Example two
Referring to fig. 1 to 5, an embodiment of the present invention provides a conical internal tooth detection tool for detecting a pitch diameter at a height to be detected of conical internal tooth, including:
at least three needle gauges 1, wherein the needle gauges 1 have a detection state, when the needle gauges 1 are in the detection state, the needle gauges 1 are tangent to the tooth socket surfaces of the conical internal teeth, and the tangent points are positioned on the dividing circle of the conical internal teeth;
the measuring block 2 comprises a first end face and a second end face, the diameter of the measuring block 2 gradually decreases from the first end face to the second end face, and the first end face and the needle gauge 1 are circumscribed on the height to be measured.
The conical tooth gauge comprises a needle gauge 1 tangential to the tooth socket surface of the conical inner tooth and with a tangent point positioned on a dividing circle of the conical inner tooth, and a measuring block 2 circumscribed with the needle gauge 1, wherein in the height to be measured, a first end face is matched with the measuring block 2 circumscribed with the needle gauge 1, in the detection process, the needle gauge 1 is inserted between tooth sockets of the conical inner tooth to enter a detection state, then the measuring block 2 is placed between a plurality of needle gauges 1 to enable the needle gauge 1 to freely fall down and tightly press the needle gauge, and in the height to be measured, the first end face of the measuring block 2 circumscribes with the needle gauge 1, when the measuring block 2 is completely clamped and cannot fall down again, the diameter of the dividing circle at the height is equal to the diameter of a standard size, then the difference between the height value and a set value is compared, and the actual size of the circumscribed circle of the needle gauge 1 is detected by establishing a height value and a reference table of the dividing circle placement needle gauge, so that the detection of the conical inner tooth can be completed. The technology of the invention converts the diameter of the cone-shaped internal tooth reference circle with a specific height which is difficult to measure into the height measurement of the measurement block 2, the precision is improved by about 10 times, the method is simple and convenient, the measurement steps are few, the adaptability is strong, the detection speed of the cone-shaped internal tooth is greatly improved, and the detection efficiency is improved by about 30 times.
Unlike the first embodiment, in this embodiment, preferably, the conical internal tooth gauge further includes a base, and the needle gauge 1 is fixedly disposed on an upper surface of the base; the needle gauge 1 is fixed on the upper surface of the base in advance, the technical scheme is simple and easy to realize, the steps in the process of detecting the conical internal teeth can be further reduced, the problem that the needle gauge 1 slides in the process of fixing and the detection result is inaccurate due to the fact that the needle gauge 1 possibly appears in the implementation process is avoided, and the detection efficiency and the accuracy of the measurement result are improved.
The embodiment of the invention also provides a conical internal tooth part with the checking fixture, which comprises:
the part comprises a part body 3, wherein the part body 3 comprises a central hole, the central hole is provided with a taper, and a circle of tapered internal teeth are arranged on the inner wall of the central hole;
the conical internal tooth gauge as described above.
Unlike the first technical solution of the embodiment, in this embodiment, preferably, the conical internal tooth part with the gauge further includes a base, the needle gauge 1 is fixedly disposed on the upper surface of the base, and the diameter of the base is greater than the maximum diameter of the central hole.
Various modifications and variations of the embodiments of the present invention may be made by those skilled in the art, and are within the scope of the appended claims and their equivalents.
What is not described in detail in the specification is prior art known to those skilled in the art.
Claims (6)
1. A conical internal tooth detection tool for detecting a pitch diameter at a height to be detected of the conical internal tooth, comprising:
the needle gauge (1) is in a detection state, when the needle gauge (1) is in the detection state, the needle gauge is tangential to the tooth socket surface of the conical internal teeth, and the tangential point is positioned on the dividing circle of the conical internal teeth;
the measuring block (2) comprises a first end face and a second end face, the diameter of the measuring block (2) gradually decreases from the first end face to the second end face, and the first end face and the needle gauge (1) are circumscribed on the height to be measured;
the measuring block (2) is in a truncated cone shape, and the taper of the measuring block (2) is the same as that of the conical internal teeth;
the distance between the first end face and the second end face of the measuring block (2) is not larger than the distance between the height to be measured on the conical internal teeth and the bottom surface of the conical internal teeth.
2. The conical internal tooth gauge as claimed in claim 1, wherein: the conical internal tooth gauge comprises a plurality of measuring blocks (2), wherein first end faces of the measuring blocks (2) are respectively circumscribed with the needle gauge (1) at different heights to be measured.
3. The conical internal tooth gauge as claimed in claim 1, wherein: when the needle gauge (1) is in a detection state, the inclination angle of the needle gauge (1) is the same as the taper angle of the conical internal teeth.
4. The conical internal tooth gauge as claimed in claim 1, wherein: the conical internal tooth gauge further comprises a base, and the needle gauge (1) is fixedly arranged on the upper surface of the base.
5. The utility model provides a toper internal tooth part with examine utensil which characterized in that includes:
the part comprises a part body (3), wherein the part body (3) comprises a central hole, the central hole is provided with a taper, and a circle of tapered internal teeth are arranged on the inner wall of the central hole;
the conical internal tooth gauge according to claim 1.
6. The conical internal tooth part with gauge according to claim 5, wherein: the conical internal tooth part with the gauge further comprises a base, the needle gauge (1) is fixedly arranged on the upper surface of the base, and the diameter of the base is larger than the maximum diameter of the central hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910175636.2A CN109883281B (en) | 2019-03-08 | 2019-03-08 | Conical internal tooth gauge and conical internal tooth part with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910175636.2A CN109883281B (en) | 2019-03-08 | 2019-03-08 | Conical internal tooth gauge and conical internal tooth part with same |
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| Publication Number | Publication Date |
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| CN109883281A CN109883281A (en) | 2019-06-14 |
| CN109883281B true CN109883281B (en) | 2024-02-13 |
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| CN109883281A (en) | 2019-06-14 |
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