CN109668501B - Surface roughness appearance support and surface roughness measuring device - Google Patents
Surface roughness appearance support and surface roughness measuring device Download PDFInfo
- Publication number
- CN109668501B CN109668501B CN201910070763.6A CN201910070763A CN109668501B CN 109668501 B CN109668501 B CN 109668501B CN 201910070763 A CN201910070763 A CN 201910070763A CN 109668501 B CN109668501 B CN 109668501B
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- pin hole
- hole
- pin
- surface roughness
- angle
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- 230000003746 surface roughness Effects 0.000 title claims abstract description 46
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 1
- 238000004439 roughness measurement Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/28—Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces
Abstract
The application discloses a surface roughness meter bracket and a surface roughness measuring device, wherein the bracket comprises: an adjusting disc, an angle disc and a locating pin; the angle scale is provided with: the first connecting part, the shaft lever and the pin hole array are connected with the normal direction of the angle scale; the adjusting plate is provided with: the second connecting part, the connecting hole and at least one positioning hole; an intersection point is arranged between the central axis of the shaft rod and the angle disc; the pin hole array is provided with at least one pin hole row which is arc-shaped, wherein the hole center of each pin hole of the pin hole row falls on the same arc taking the intersection point as the circle center, and the hole centers of the adjacent pin holes are spaced at the same angle; the shaft rod passes through the connecting hole and is connected with the adjusting disk, the adjusting disk can rotate along the shaft rod, and the locating pin is used for passing through the locating hole and the pin hole. The device comprises the bracket, a height meter and a surface roughness measuring instrument. The application is mainly used for measuring the surface roughness of the part.
Description
Technical Field
The application relates to the field of measuring tools, in particular to a surface roughness meter bracket and a surface roughness measuring device.
Background
Existing roughness tests are equipped with the required surface roughness meter based on the part being tested. When the surface roughness of the part is required to be measured, the surface roughness of the part can be obtained from the host computer by contacting the surface of the part with the measuring head at a certain angle.
However, in the existing measuring method, the surface roughness of the part is measured by holding the measuring head by hand, and the problem that the angle between the measuring head and the surface to be measured is inconvenient to adjust by hand and the surface roughness is inconvenient to measure is found.
Disclosure of Invention
In a first aspect, the object of the present application is to provide a support that facilitates the adjustment of the angle between the measuring head and the surface to be laterally displaced.
In a second aspect, the present application aims to provide a surface roughness measuring device that facilitates measurement.
The application solves the technical problems as follows: in a first aspect, a surface roughness meter support comprises: an adjusting disc, an angle disc and a locating pin; the angle scale is provided with: the first connecting part, the shaft rod and the pin hole array are connected with the normal direction of the angle scale; the adjusting plate is provided with: the second connecting part, the connecting hole and at least one positioning hole; an intersection point is arranged between the central axis of the shaft rod and the angle disc; the pin hole array is provided with at least one pin hole row which is arc-shaped, wherein the hole center of each pin hole of the pin hole row falls on the same arc taking the intersection point as the circle center, and the hole centers of the adjacent pin holes are spaced at the same angle; the shaft rod passes through the connecting hole and is connected with the adjusting disc, the adjusting disc can rotate along the shaft rod, the end part of the shaft rod is provided with a clamping part, and the size of the clamping part is larger than the aperture of the connecting hole; the aperture of the positioning hole is the same as that of the pin hole, and the central axis of the positioning hole coincides with the central axis of the pin hole; the locating pin is used for penetrating through the locating hole and the pin hole.
Further, the pin hole array includes two pin hole rows, the adjustment plate is provided with two positioning holes, the central axis of the first positioning hole coincides with the central axis of the pin hole in the first pin hole row, the central axis of the second positioning hole coincides with the central axis of the pin hole in the second pin hole row, the distance between the hole center of any one pin hole of the first pin hole row and the intersection point is set as R, the distance between the hole center of any one pin hole of the second pin hole row and the intersection point is set as R, the interval angle between adjacent pin holes of the first pin hole row is set as α, the interval angle between adjacent pin holes of the second pin hole row is set as β, and the offset angle between the first pin hole row and the second pin hole row is set as γ, wherein R > R, α=β, γ=0.5α. The first pin hole columns and the second pin hole columns are staggered, so that the movable unit angle of the adjusting disc is reduced, and the adjustable angle range of the adjusting disc is enriched.
Further, the α=10°.
Further, the number of pin holes of the first pin hole row is 11, and the number of pin holes of the second pin hole row is 11.
Further, the number of the positioning holes is the same as the number of the pin holes in the pin hole array.
Further, the shaft rod is in threaded connection with the angle scale. The shaft lever is convenient to replace.
Further, the clip portion is screwed with an end portion of the shaft. When the adjusting disk is required to be replaced, the nut is directly turned off, so that the adjusting disk is very convenient.
Further, the locating pins are multiple. The plurality of locating pins can lock the adjusting disc and the angle disc more firmly.
Further, a graduated scale for marking the angle of the pin hole is arranged on the angle scale. Is convenient for users to use.
In a second aspect, a surface roughness measuring device includes the surface roughness meter support according to any one of the above technical solutions, further includes a height meter and a surface roughness meter, a moving end of the height meter is connected with the first connecting portion, and a measuring head of the surface roughness meter is connected with the second connecting portion.
The bracket has the beneficial effects that in the first aspect, the pin hole array is arranged on the angle disc, the positioning holes are arranged on the adjusting disc, the adjusting disc is connected with the angle disc through the shaft rod, and the rotating angle of the adjusting disc is fixed by the positioning pins through the relative movement of the positioning holes of the adjusting disc and the pin hole array. The angle adjustment of the adjusting disc is convenient, and then the angle adjustment of the measuring head is convenient.
In a second aspect, the surface roughness measuring device utilizes a surface roughness meter support to facilitate angle adjustment of the measuring head. And the roughness measurement of the surface of the part is convenient.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings described are only some embodiments of the application, but not all embodiments, and that other designs and drawings can be obtained from these drawings by a person skilled in the art without inventive effort.
FIG. 1 is a schematic perspective view of a surface coarseness gauge stand;
FIG. 2 is a schematic perspective view of an angle scale;
FIG. 3 is a schematic view of the arrangement of the array of pin holes in the angle plate;
FIG. 4 is a schematic perspective view of a tuning disk;
fig. 5 is a state diagram of the operation of the bracket and a schematic structural diagram of the surface roughness measuring device.
Detailed Description
The conception, specific structure, and technical effects produced by the present application will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present application. It is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present application based on the embodiments of the present application. In addition, all coupling/connection relationships mentioned herein do not refer to direct connection of the components, but rather, refer to the fact that a more optimal coupling structure may be formed by adding or subtracting coupling aids depending on the particular implementation. The technical features in the application can be interactively combined on the premise of no contradiction and conflict.
Referring to fig. 1, 2, 3 and 4, a surface coarseness gauge stand, comprising: an adjustment plate 100, an angle plate 200, and a positioning pin 300; the angle dial 200 is provided with: a first connection portion 210, a shaft 220, and an array of pin holes, the shaft 220 being normally connected to the angle plate 200; the normal connection means that the shaft 220 is connected perpendicularly to the angle plate 200. The dial 100 is provided with: a second connection portion 110, a connection hole 130, and at least one positioning hole 120; an intersection point is arranged between the central axis of the shaft lever 220 and the angle scale 200; the pin hole array is provided with at least one pin hole row which is arc-shaped, wherein the hole center of each pin hole of the pin hole row falls on the same arc taking the intersection point as the circle center, and the hole centers of the adjacent pin holes are spaced at the same angle; the shaft 220 is connected with the adjustment plate 100 through the connection hole 130, the adjustment plate 100 can rotate along the shaft 220, and a clamping part (not shown) is arranged at the end of the shaft 220, and the size of the clamping part is larger than the aperture of the connection hole 130; the aperture of the positioning hole 120 is the same as the aperture of the pin hole, and the central axis of the positioning hole 120 coincides with the central axis of the pin hole, wherein the central axis of the positioning hole 120 refers to a line passing through the center of the positioning hole 120 and perpendicular to the aperture of the positioning hole 120, and the central axis of the pin hole refers to a line passing through the center of the pin hole and perpendicular to the aperture of the pin hole; the positioning pin 300 is configured to pass through the positioning hole 120 and the pin hole.
Referring to fig. 5, the present bracket is used as an accessory tool for measuring the surface roughness of a part, when the surface roughness of the part is required to be measured, the moving end 910 of the height gauge 900 can be connected with the first connecting portion 210, and the measuring head 800 of the surface roughness gauge can be connected with the second connecting portion 110, and when the part is measured, the moving end 910 of the height gauge 900 moves up and down to drive the present bracket to move up and down, thereby approaching the measured part.
The pin hole array on the angle dial 200 provides an adjustment angle range, each pin hole corresponds to an angle value, the adjustment dial 100 is rotated, the positioning hole 120 on the adjustment dial 100 and the pin hole array relatively move, and the measuring head is driven by the adjustment dial 100 to sequentially rotate in unit angle, wherein the unit angle refers to the interval angle between two adjacent pin holes in the pin hole array. When the measuring head rotates to a certain angle, the positioning hole 120 is communicated with the pin hole with a corresponding angle, the positioning pin 300 is inserted from the communicated positioning hole 120 and pin hole (the process of inserting the positioning pin 300 into the positioning hole 120 and pin hole is shown in an arrow form in fig. 1), the angle scale 200 and the adjusting disk 100 are locked, the rotation angle of the measuring head 800 is fixed, and the surface roughness of the part is conveniently measured.
In the disclosed embodiment, the shaft 220 is normally connected to the angle plate 200. That is, the shaft 220 is perpendicular to the body of the angle plate 200. In order to replace and install the shaft 220, the shaft 220 is screwed to the angle plate 200 as a preferred embodiment.
The pin hole row comprises a plurality of pin holes, the pin holes are arrayed in an arc-shaped form, and the arrangement distribution of the pin holes follows the following mode: taking the intersection point between the central axis of the shaft lever 220 and the angle scale 200 as the center of a circle, the hole center of each pin hole of the pin hole row falls on the same arc with the intersection point as the center of a circle, and the hole centers of the adjacent pin holes are spaced at the same angle. Each of the pin holes of the pin hole array represents an angle value, and the entire pin hole array represents a rotatable angle range of the adjustment plate 100. Wherein, the central axis of the shaft 220 refers to a geometric center line passing through both end surfaces of the shaft 220. As a preferred embodiment, the pin hole array includes two pin hole columns, namely, a first pin hole column 240 and a second pin hole column 250, the adjustment plate 100 is provided with two positioning holes 120, namely, a first positioning hole and a second positioning hole, the central axis of the first positioning hole coincides with the central axis of the pin hole of the first pin hole column 240, the central axis of the second positioning hole coincides with the central axis of the second pin hole column 250, the distance between the center of any pin hole of the first pin hole column 240 and the intersection point is R, the distance between the center of any pin hole of the second pin hole column 250 and the intersection point is R, the first pin hole column 240 and the second pin hole column 250 are staggered, the interval angle between adjacent pin holes of the first pin hole column 240 is α, the interval angle between adjacent pin holes of the second pin hole column 250 is β, the staggering angle between the first pin hole column 240 and the second pin hole column 250 is γ, wherein R > R, α=β, γ=0.5°, α=10°. It can be seen that the first pin hole row 240 is farther from the intersection point between the central axis of the shaft 220 and the angle dial 200, and the second pin hole row 250 is closer to the intersection point between the central axis of the shaft 220 and the angle dial 200. By thus staggering the first pin hole array 240 and the second pin hole array 250, the unit angle at which the dial 100 is movable is reduced, and the adjustable angle range of the dial 100 is enriched.
As a preferred embodiment, the number of pin holes of the first pin hole row 240 is 11, and the number of pin holes of the second pin hole row 250 is 11. The adjustment angle of the first pin hole array 240 is as follows: 0 °, 10 °, 20 °, 30 °, 40 °, 50 °, 60 °, 70 °, 80 °, 90 °, 100 °, and the second pin hole row 250 is offset from the first pin hole row 240, so that the second pin hole row 250 has an adjustment angle: 5 °, 15 °, 25 °, 35 °, 45 °, 55 °, 65 °, 75 °, 85 °, 95 °, 105 °. For easier positioning, the number of positioning holes 120 is the same as the number of pin holes in the pin hole array. Of course, the number of the positioning holes 120 is increased, the number of the positioning pins 300 can be increased, and the plurality of positioning pins 300 can be used for more stably locking the angle dial 200 and the adjusting dial 100, so that the locking angle dial 200 and the adjusting dial 100 can be prevented from shaking.
For any of the above embodiments, the locking portion is located at an end of the shaft 220, and the locking portion may lock the adjustment plate 100, so that the adjustment plate 100 and the angle plate 200 form a combination, and the adjustment plate 100 is placed loose. The clamping portion may be a nut, and an outer diameter of the nut is larger than an aperture of the connection hole 130 of the adjustment plate 100. The nut is screwed to the end of the shaft 220, so that the nut can be directly turned off when the adjustment plate 100 needs to be replaced, which is very convenient.
For any of the above embodiments, the angle scale 200 is preferably provided with a scale 211 for identifying the angle of the pin hole. The scale 211 is provided on the sidewall of the angle scale 200,
referring to fig. 5, a surface roughness measuring device includes a surface roughness meter support according to any of the embodiments, and further includes a height meter 900 and a surface roughness meter, wherein a moving end 910 of the height meter is connected to the first connection portion 210 through a screw thread, and a measuring head 800 of the surface roughness meter is connected to the second connection portion 110.
The surface roughness measuring device has the beneficial effects of the surface roughness meter bracket because of the surface roughness meter bracket, and the beneficial effects of the surface roughness meter bracket are repeated herein.
While the preferred embodiment of the present application has been described in detail, the application is not limited to the embodiments, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the application, and these modifications and substitutions are intended to be included in the scope of the present application as defined in the appended claims.
Claims (9)
1. A surface roughness meter support, comprising: an adjusting disc, an angle disc and a locating pin;
the angle scale is provided with: the first connecting part, the shaft rod and the pin hole array are connected with the normal direction of the angle scale;
the adjusting plate is provided with: the second connecting part, the connecting hole and at least one positioning hole;
an intersection point is arranged between the central axis of the shaft rod and the angle disc;
the pin hole array is provided with at least one pin hole row which is arc-shaped, wherein the hole center of each pin hole of the pin hole row falls on the same arc taking the intersection point as the circle center, and the hole centers of the adjacent pin holes are spaced at the same angle;
the shaft rod passes through the connecting hole and is connected with the adjusting disc, the adjusting disc can rotate along the shaft rod, the end part of the shaft rod is provided with a clamping part, and the size of the clamping part is larger than the aperture of the connecting hole;
the aperture of the positioning hole is the same as that of the pin hole, and the central axis of the positioning hole coincides with the central axis of the pin hole;
the locating pin is used for penetrating through the locating hole and the pin hole;
the number of the positioning holes is the same as the number of the pin holes in the pin hole array.
2. The surface roughness meter support of claim 1, wherein the pin hole array comprises two pin hole rows, the adjustment plate is provided with two positioning holes, the central axis of the first positioning hole coincides with the central axis of the pin hole in the first pin hole row, the central axis of the second positioning hole coincides with the central axis of the pin hole in the second pin hole row, the distance between the hole center of any one of the pin holes in the first pin hole row and the intersection point is R, the distance between the hole center of any one of the pin holes in the second pin hole row and the intersection point is R, the interval angle between adjacent pin holes in the first pin hole row is α, the interval angle between adjacent pin holes in the second pin hole row is β, the offset angle between the first pin hole row and the second pin hole row is γ, wherein R > R, α=β, γ=0.5α.
3. The surface roughness meter support of claim 2, wherein α = 10 °.
4. The surface coarser machine bracket of claim 2, wherein the first pin hole array has 11 pin holes and the second pin hole array has 11 pin holes.
5. The surface roughness meter support of claim 1, wherein the shaft is threadably connected to the angle scale.
6. The surface coarseness gauge rack according to claim 1, wherein the clip portion is screwed with an end portion of the shaft.
7. The surface roughness meter support of claim 4, wherein the plurality of locating pins.
8. The surface roughness meter support of claim 1, wherein the angle scale is provided with a scale for marking the pin hole angle.
9. A surface roughness measuring device, characterized by comprising the surface roughness meter support of claim 1, further comprising a height meter and a surface roughness meter, wherein a moving end of the height meter is connected with a first connecting portion, and a measuring head of the surface roughness meter is connected with a second connecting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910070763.6A CN109668501B (en) | 2019-01-25 | 2019-01-25 | Surface roughness appearance support and surface roughness measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910070763.6A CN109668501B (en) | 2019-01-25 | 2019-01-25 | Surface roughness appearance support and surface roughness measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109668501A CN109668501A (en) | 2019-04-23 |
| CN109668501B true CN109668501B (en) | 2023-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910070763.6A Active CN109668501B (en) | 2019-01-25 | 2019-01-25 | Surface roughness appearance support and surface roughness measuring device |
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| CN (1) | CN109668501B (en) |
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| CN109668501A (en) | 2019-04-23 |
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