CN220418343U - Three-point taper measuring device - Google Patents
Three-point taper measuring device Download PDFInfo
- Publication number
- CN220418343U CN220418343U CN202322096925.8U CN202322096925U CN220418343U CN 220418343 U CN220418343 U CN 220418343U CN 202322096925 U CN202322096925 U CN 202322096925U CN 220418343 U CN220418343 U CN 220418343U
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- hole
- detection
- blind hole
- steel ball
- guide post
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- 238000001514 detection method Methods 0.000 claims abstract description 37
- 239000011324 bead Substances 0.000 claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 238000005259 measurement Methods 0.000 claims abstract description 5
- 230000000007 visual effect Effects 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
A three-point measuring taper device comprises a base, a cylindrical supporting body is fixed on the base, a taper inner hole is formed in the center of the supporting body, three detection surfaces are alternately arranged on the supporting body from top to bottom, three through holes penetrating through the wall of the supporting body are uniformly distributed on the upper detection surface and the lower detection surface, positioning beads are arranged on each through hole, two rigid positioning beads and one elastic positioning bead are arranged in the three positioning beads of the same detection surface, a detection hole is formed in each detection surface, a lever gear comparator is fixed on each detection hole through a lock sleeve, and the lever gear comparators on the three detection surfaces are uniformly distributed on the circumference of the supporting body; the rigid positioning bead is characterized in that a steel ball is fixed in the center of the front end of the guide post, the elastic positioning bead consists of the guide post, a pressure spring and the steel ball, the pressure spring is arranged in a blind hole of the guide post, and the steel ball is positioned at the front end of the blind hole. The utility model adopts a three-section simultaneous measurement mode for the workpiece cone, has simple and visual operation, and each section of diameter jump degree is more visual, thereby improving the measurement accuracy.
Description
Technical Field
The utility model relates to a three-point measuring taper device which is used for measuring the precision of taper of a workpiece.
Background
When the precision of the cone parts of the workpieces such as the cone tool handle and the like is tested, the parts with different diameters are generally measured after the workpieces are clamped, the operation is troublesome, direct comparison of the diameter jump degrees of all sections is inconvenient, and the measurement accuracy is affected.
Disclosure of Invention
The utility model aims to provide a three-point measuring taper device which solves the defect of single-point taper measurement.
The object of the utility model is achieved in the following way: a three-point taper measuring device comprises a base, a cylindrical supporting body is fixed on the base, a taper inner hole is formed in the center of the supporting body, three detection surfaces are alternately arranged on the supporting body from top to bottom, three through holes penetrating through the wall of the supporting body are uniformly distributed on the upper detection surface and the lower detection surface, positioning beads are arranged on each through hole, two rigid positioning beads and one elastic positioning bead are arranged in the three positioning beads of the same detection surface, a detection hole is formed in each detection surface, and a lever gear comparator is fixed on each detection hole through a lock meter sleeve.
The lever gear comparators on the three detection surfaces are uniformly distributed on the circumference of the support body.
The rigid positioning bead is characterized in that a steel ball is fixed at the center of the front end of the guide post.
The elastic positioning bead consists of a guide post, a pressure spring and a steel ball, wherein a blind hole is formed in the center of the front part of the guide post, the pressure spring is arranged in the blind hole, the front opening annular edge of the blind hole is in interference fit with the steel ball, and the steel ball is pressed into the blind hole from the front opening annular edge of the blind hole and is positioned at the front end of the blind hole, and part of the steel ball is exposed out of the blind hole.
During operation, a cone part of a workpiece such as a knife handle is placed in a conical inner hole of a supporting body, the workpiece is supported by positioning beads of an upper end detection surface and a lower end detection surface, pointers of three lever gear comparators are adjusted to be at proper positions, then the workpiece is rotated, readings of the three lever gear comparators are read, the measuring mode is a comparison measuring method, whether errors are in a required precision range or not is judged, and accordingly whether a product is qualified or not is judged.
The beneficial effects of the utility model are as follows: the workpiece cone is measured in three sections simultaneously, the operation is simple and visual, the jump degree of each section is visual, and the measuring accuracy can be improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of A-A of FIG. 1;
FIG. 3 is a schematic structural view of a rigid positioning bead;
fig. 4 is a schematic structural view of the elastic positioning beads.
In the figure: 1-a base; 2-a support; 3-positioning beads; 31-rigid positioning beads; 32-elastic positioning beads; 4-locking the watch sleeve; 5-lever gear comparator; 6-a workpiece.
Detailed Description
Referring to fig. 1-4, there is a base 1, a cylindrical support body 2 is fixed on the base 1, a conical inner hole is formed in the center of the support body 2, three detection surfaces are alternately arranged from top to bottom on the support body 2, three through holes penetrating through the wall of the support body are uniformly distributed on the upper detection surface and the lower detection surface, positioning beads 3 are arranged on each through hole, two rigid positioning beads 31 and one elastic positioning bead 32 are arranged in the three positioning beads 3 of the same detection surface, the rigid positioning beads 31 are formed by fixing steel balls at the center of the front end of a guide post, the elastic positioning beads 32 are composed of the guide post, a pressure spring and steel balls, a blind hole is formed in the center of the front part of the guide post, the pressure spring is arranged in the blind hole, the front opening annular edge of the blind hole is in interference fit with the steel balls, the steel balls are pressed into the front end of the blind hole from the front opening annular edge of the blind hole and are partially exposed outside the blind hole, and the guide post of the positioning beads 3 are in threaded connection with the through holes of the wall of the support body; and each detection surface is provided with a detection hole, namely the middle detection surface is only provided with a detection hole without a positioning bead support, each detection hole is fixedly provided with a lever gear comparator 5 through a lock meter sleeve 4, and the lever gear comparators 5 on the three detection surfaces are uniformly distributed on the circumference of the support body 2.
In operation, a workpiece 6 such as a cone part of a knife handle is placed in a conical inner hole of the supporting body 2, the workpiece 6 is supported by the positioning beads 3 of the upper end detection surface and the lower end detection surface, pointers of the three lever gear comparators 5 are adjusted to be at proper positions, then the workpiece 6 is rotated, readings of the three lever gear comparators 5 are read, the measuring mode is a comparison measuring method, whether errors are in a required precision range or not is judged, and accordingly whether products are qualified or not is judged.
Claims (4)
1. The utility model provides a three-point measurement tapering device, has a base, is fixed with cylindrical supporter above the base, and supporter center has a toper hole, its characterized in that: the support body (2) is equipped with three detection face from the top down at intervals, and the equipartition has three through-hole that link up the support body wall on two upper and lower detection faces, is equipped with locating bead (3) on every through-hole, has two rigidity locating bead (31) and an elastic locating bead (32) in three locating bead (3) of same detection face, is equipped with a detection hole on every detection face, is fixed with lever gear comparator (5) through lock table cover (4) on the detection hole.
2. The three-point measuring taper device according to claim 1, wherein: the lever gear comparators (5) on the three detection surfaces are uniformly distributed on the circumference of the supporting body (2).
3. The three-point measuring taper device according to claim 1, wherein: the rigid positioning bead (31) is characterized in that a steel ball is fixed at the center of the front end of the guide post.
4. The three-point measuring taper device according to claim 1, wherein: the elastic positioning bead (32) is composed of a guide post, a pressure spring and a steel ball, wherein a blind hole is formed in the center of the front part of the guide post, the pressure spring is arranged in the blind hole, the front opening annular edge of the blind hole is in interference fit with the steel ball, and the steel ball is pressed into the front end of the blind hole from the front opening annular edge of the blind hole and is partially exposed out of the blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322096925.8U CN220418343U (en) | 2023-08-07 | 2023-08-07 | Three-point taper measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322096925.8U CN220418343U (en) | 2023-08-07 | 2023-08-07 | Three-point taper measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220418343U true CN220418343U (en) | 2024-01-30 |
Family
ID=89642096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322096925.8U Active CN220418343U (en) | 2023-08-07 | 2023-08-07 | Three-point taper measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220418343U (en) |
-
2023
- 2023-08-07 CN CN202322096925.8U patent/CN220418343U/en active Active
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