CN112985229A - Automobile part concave surface diameter measuring device - Google Patents
Automobile part concave surface diameter measuring device Download PDFInfo
- Publication number
- CN112985229A CN112985229A CN202011515503.4A CN202011515503A CN112985229A CN 112985229 A CN112985229 A CN 112985229A CN 202011515503 A CN202011515503 A CN 202011515503A CN 112985229 A CN112985229 A CN 112985229A
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- Prior art keywords
- hole
- fixed
- measuring
- bottom plate
- sliding seat
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- 238000001514 detection method Methods 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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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
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
A device for measuring the diameter of a concave surface of an automobile part comprises a bottom plate, a measuring support, a fixed seat and a lower sliding seat; a central positioning column is arranged in the middle of the bottom plate, a lower sliding seat and two fixed seats are respectively arranged on the bottom plate, and the two fixed seats and the lower sliding seat are distributed around the central positioning column; the fixed seat is provided with a mounting hole, a fixed measuring head penetrates through the mounting hole, and the axial direction of the fixed measuring head faces to the center of the central positioning column; the bottom plate is provided with the measuring support, and the measuring support is adjacent to the lower slide. Overall structure is simple, and measurement accuracy is high, and the error is low, convenient maintenance.
Description
Technical Field
The invention relates to the field of measuring devices, in particular to a device for measuring the diameter of a concave surface of an automobile part.
Background
When the automobile part leaves the factory, the diameter of the part of the automobile part provided with the bearing needs to be measured, the traditional measuring mode is that an operator directly measures the diameter by using a caliper tool, and the defect of the mode is that the manual measurement is adopted, a unified operation mode is not available, the measurement is carried out by the experience of workers, the error of different people measuring the same part is large, the qualification rate of the part is not well controlled, and therefore, in order to solve the problem, the automobile part concave diameter measuring device needs to be provided.
Disclosure of Invention
The invention provides a device for measuring the diameter of a concave surface of an automobile part, aiming at the defects of the prior art, and the specific technical scheme is as follows:
the utility model provides an automobile parts concave surface diameter measuring device which characterized in that: comprises a bottom plate (1), a measuring support (2), a fixed seat (3) and a lower sliding seat (4);
a central positioning column (5) is arranged in the middle of the bottom plate (1), a lower sliding seat (4) and two fixed seats (3) are respectively arranged on the bottom plate (1), and the two fixed seats (3) and the lower sliding seat (4) are distributed around the central positioning column (5);
a mounting hole is formed in the fixed seat (3), a fixed measuring head (6) penetrates through the mounting hole, and the axial direction of the fixed measuring head (6) faces to the center of the central positioning column (5);
the measuring support (2) is arranged on the bottom plate (1), and the measuring support (2) is arranged adjacent to the lower sliding seat (4);
a first through hole is formed in the lower sliding seat (4), a top rod (7) and a movable measuring head (8) are respectively arranged in the first through hole, and a spring (9) is arranged between the top rod (7) and the movable measuring head (8);
a second through hole is formed in the measuring support (2), the detection end of the lever gear comparator (10) extends into the through hole, and the detection end is connected with a detection head (11).
Further: the lower sliding seat (4) is provided with a pin hole, the pin hole is communicated with the first through hole, a locking pin (12) is arranged in the pin hole, one end of the locking pin (12) extends into the first through hole, and the extending end of the locking pin (12) is positioned between the upper end of the spring (9) and the ejector rod (7).
Further: the back of the bottom plate (1) is connected with a fixed bracket (13).
Further: the spring (9) is a cylindrical spiral compression spring (9).
The invention has the beneficial effects that: overall structure is simple, and measurement accuracy is high, and the error is low, convenient maintenance. Through being provided with two fixing bases and lower slide, fixed gauge head on two fixing bases contacts with the interior concave surface of work piece respectively, and the activity gauge head in the lower slide passes through the spring action butt on the interior concave surface of work piece, and the detection head that lever gear comparator is connected is worn out from measuring the support and is contacted with the ejector pin, and the activity gauge head passes through the spring transfer with the effort and gives the ejector pin, detects the change of head through detecting the ejector pin effort, detects the interior concave surface diameter of work piece.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a second block diagram of the present invention;
FIG. 3 is a cross-sectional view B-B of FIG. 1;
FIG. 4 is a third structural diagram of the present invention;
the attached drawing in the figure illustrates that the measuring device comprises a bottom plate 1, a measuring support 2, a fixed seat 3, a lower sliding seat 4, a central positioning column 5, a fixed measuring head 6, a mandril 7, a movable measuring head 8, a spring 9, a lever gear comparator 10, a detecting head 11, a locking pin 12 and a fixed support 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 4:
a device for measuring the diameter of a concave surface of an automobile part comprises a bottom plate 1, a measuring support 2, a fixed seat 3 and a lower sliding seat 4;
a central positioning column 5 is arranged in the middle of the bottom plate 1, a lower sliding seat 4 and two fixed seats 3 are respectively arranged on the bottom plate 1, and the two fixed seats 3 and the lower sliding seat 4 are distributed around the central positioning column 5;
a mounting hole is formed in the fixed seat 3, a fixed measuring head 6 penetrates through the mounting hole, and the axial direction of the fixed measuring head 6 faces to the center of the central positioning column 5;
the measuring support 2 is arranged on the bottom plate 1, the measuring support 2 is arranged adjacent to the lower sliding seat 4, and the back of the bottom plate 1 is connected with a fixed support 13.
A first through hole is formed in the lower slide 4, a top rod 7 and a movable measuring head 8 are respectively arranged in the first through hole, and a spring 9 is arranged between the top rod 7 and the movable measuring head 8, wherein in the embodiment, the spring 9 is a cylindrical helical compression spring 9.
A pin hole is formed in the lower sliding seat 4 and communicated with the first through hole, a locking pin 12 is arranged in the pin hole, one end of the locking pin 12 extends into the first through hole, and the extending end of the locking pin 12 is located between the upper end of the spring 9 and the ejector rod 7.
And a second through hole is formed in the measuring support 2, the detection end of the lever gear comparator 10 extends into the through hole, and the detection end is connected with a detection head 11.
The working principle of the invention is as follows: the detection part of the automobile part is placed in the central positioning column, and the two fixed measuring heads respectively abut against the circumferential surface to be detected of the automobile part. The movable measuring head transmits the acting force to the ejector rod through the spring, and the detection head detects the diameter of the inner concave surface of the workpiece through detecting the change of the acting force of the ejector rod to obtain the circumferential diameter of the part.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides an automobile parts concave surface diameter measuring device which characterized in that: comprises a bottom plate (1), a measuring support (2), a fixed seat (3) and a lower sliding seat (4);
a central positioning column (5) is arranged in the middle of the bottom plate (1), a lower sliding seat (4) and two fixed seats (3) are respectively arranged on the bottom plate (1), and the two fixed seats (3) and the lower sliding seat (4) are distributed around the central positioning column (5);
a mounting hole is formed in the fixed seat (3), a fixed measuring head (6) penetrates through the mounting hole, and the axial direction of the fixed measuring head (6) faces to the center of the central positioning column (5);
the measuring support (2) is arranged on the bottom plate (1), and the measuring support (2) is arranged adjacent to the lower sliding seat (4);
a first through hole is formed in the lower sliding seat (4), a top rod (7) and a movable measuring head (8) are respectively arranged in the first through hole, and a spring (9) is arranged between the top rod (7) and the movable measuring head (8);
a second through hole is formed in the measuring support (2), the detection end of the lever gear comparator (10) extends into the through hole, and the detection end is connected with a detection head (11).
2. The concave diameter measuring device of the automobile part according to claim 1, wherein: the lower sliding seat (4) is provided with a pin hole, the pin hole is communicated with the first through hole, a locking pin (12) is arranged in the pin hole, one end of the locking pin (12) extends into the first through hole, and the extending end of the locking pin (12) is positioned between the upper end of the spring (9) and the ejector rod (7).
3. The concave diameter measuring device of the automobile part according to claim 2, wherein: the back of the bottom plate (1) is connected with a fixed bracket (13).
4. The concave diameter measuring device of the automobile part according to claim 3, wherein: the spring (9) is a cylindrical spiral compression spring (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011515503.4A CN112985229A (en) | 2020-12-21 | 2020-12-21 | Automobile part concave surface diameter measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011515503.4A CN112985229A (en) | 2020-12-21 | 2020-12-21 | Automobile part concave surface diameter measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112985229A true CN112985229A (en) | 2021-06-18 |
Family
ID=76345085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011515503.4A Pending CN112985229A (en) | 2020-12-21 | 2020-12-21 | Automobile part concave surface diameter measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112985229A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989656A (en) * | 2017-05-10 | 2017-07-28 | 苏州金世博精密机电有限公司 | Outside diameter measuring mechanism |
| US20170368657A1 (en) * | 2014-12-09 | 2017-12-28 | Erwin Junker Maschinenfabrik Gmbh | Measuring steady rest for supporting and measuring central workpiece regions grinding machine with such a measuring steady rest, and method for supporting and measuring central workpiece regions |
| CN210198267U (en) * | 2019-07-23 | 2020-03-27 | 无锡腾马精密机械有限公司 | Planetary gear M value testing fixture |
| CN210570438U (en) * | 2019-11-13 | 2020-05-19 | 杭州萧山天辰机械有限公司 | Outer conical surface angle and diameter gauge |
| CN210773833U (en) * | 2019-11-12 | 2020-06-16 | 杭州萧山天辰机械有限公司 | Comprehensive checking fixture for internal gear M value and gear ring radial runout |
| CN210892956U (en) * | 2019-11-26 | 2020-06-30 | 无锡日升量仪有限公司 | Narrow groove inner diameter gauge |
-
2020
- 2020-12-21 CN CN202011515503.4A patent/CN112985229A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170368657A1 (en) * | 2014-12-09 | 2017-12-28 | Erwin Junker Maschinenfabrik Gmbh | Measuring steady rest for supporting and measuring central workpiece regions grinding machine with such a measuring steady rest, and method for supporting and measuring central workpiece regions |
| CN106989656A (en) * | 2017-05-10 | 2017-07-28 | 苏州金世博精密机电有限公司 | Outside diameter measuring mechanism |
| CN210198267U (en) * | 2019-07-23 | 2020-03-27 | 无锡腾马精密机械有限公司 | Planetary gear M value testing fixture |
| CN210773833U (en) * | 2019-11-12 | 2020-06-16 | 杭州萧山天辰机械有限公司 | Comprehensive checking fixture for internal gear M value and gear ring radial runout |
| CN210570438U (en) * | 2019-11-13 | 2020-05-19 | 杭州萧山天辰机械有限公司 | Outer conical surface angle and diameter gauge |
| CN210892956U (en) * | 2019-11-26 | 2020-06-30 | 无锡日升量仪有限公司 | Narrow groove inner diameter gauge |
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Application publication date: 20210618 |